From d6390c159f979179be9e0231b3ba1916e579ae55 Mon Sep 17 00:00:00 2001
From: Todd Gamblin <tgamblin@llnl.gov>
Date: Thu, 29 Dec 2016 11:59:45 -0800
Subject: [PATCH] Fix issues related to the switchover to pytest. (#2685)
- Remove stale reference to `import nose` from `bin/spack` script.
- Add `py` to externals (missing dependency for `pytest`)
---
bin/spack | 8 -
lib/spack/external/__init__.py | 7 +-
lib/spack/external/py/AUTHORS | 24 +
lib/spack/external/py/LICENSE | 19 +
lib/spack/external/py/README.rst | 21 +
lib/spack/external/py/__init__.py | 150 +++
lib/spack/external/py/__metainfo.py | 2 +
lib/spack/external/py/_apipkg.py | 181 +++
lib/spack/external/py/_builtin.py | 248 ++++
lib/spack/external/py/_code/__init__.py | 1 +
lib/spack/external/py/_code/_assertionnew.py | 339 +++++
lib/spack/external/py/_code/_assertionold.py | 555 ++++++++
lib/spack/external/py/_code/_py2traceback.py | 79 ++
lib/spack/external/py/_code/assertion.py | 94 ++
lib/spack/external/py/_code/code.py | 787 +++++++++++
lib/spack/external/py/_code/source.py | 411 ++++++
lib/spack/external/py/_error.py | 89 ++
lib/spack/external/py/_iniconfig.py | 162 +++
lib/spack/external/py/_io/__init__.py | 1 +
lib/spack/external/py/_io/capture.py | 371 ++++++
lib/spack/external/py/_io/saferepr.py | 71 +
lib/spack/external/py/_io/terminalwriter.py | 357 +++++
lib/spack/external/py/_log/__init__.py | 2 +
lib/spack/external/py/_log/log.py | 186 +++
lib/spack/external/py/_log/warning.py | 76 ++
lib/spack/external/py/_path/__init__.py | 1 +
lib/spack/external/py/_path/cacheutil.py | 114 ++
lib/spack/external/py/_path/common.py | 439 +++++++
lib/spack/external/py/_path/local.py | 928 +++++++++++++
lib/spack/external/py/_path/svnurl.py | 380 ++++++
lib/spack/external/py/_path/svnwc.py | 1240 ++++++++++++++++++
lib/spack/external/py/_process/__init__.py | 1 +
lib/spack/external/py/_process/cmdexec.py | 49 +
lib/spack/external/py/_process/forkedfunc.py | 120 ++
lib/spack/external/py/_process/killproc.py | 23 +
lib/spack/external/py/_std.py | 18 +
lib/spack/external/py/_xmlgen.py | 255 ++++
lib/spack/external/py/test.py | 10 +
38 files changed, 7809 insertions(+), 10 deletions(-)
create mode 100644 lib/spack/external/py/AUTHORS
create mode 100644 lib/spack/external/py/LICENSE
create mode 100644 lib/spack/external/py/README.rst
create mode 100644 lib/spack/external/py/__init__.py
create mode 100644 lib/spack/external/py/__metainfo.py
create mode 100644 lib/spack/external/py/_apipkg.py
create mode 100644 lib/spack/external/py/_builtin.py
create mode 100644 lib/spack/external/py/_code/__init__.py
create mode 100644 lib/spack/external/py/_code/_assertionnew.py
create mode 100644 lib/spack/external/py/_code/_assertionold.py
create mode 100644 lib/spack/external/py/_code/_py2traceback.py
create mode 100644 lib/spack/external/py/_code/assertion.py
create mode 100644 lib/spack/external/py/_code/code.py
create mode 100644 lib/spack/external/py/_code/source.py
create mode 100644 lib/spack/external/py/_error.py
create mode 100644 lib/spack/external/py/_iniconfig.py
create mode 100644 lib/spack/external/py/_io/__init__.py
create mode 100644 lib/spack/external/py/_io/capture.py
create mode 100644 lib/spack/external/py/_io/saferepr.py
create mode 100644 lib/spack/external/py/_io/terminalwriter.py
create mode 100644 lib/spack/external/py/_log/__init__.py
create mode 100644 lib/spack/external/py/_log/log.py
create mode 100644 lib/spack/external/py/_log/warning.py
create mode 100644 lib/spack/external/py/_path/__init__.py
create mode 100644 lib/spack/external/py/_path/cacheutil.py
create mode 100644 lib/spack/external/py/_path/common.py
create mode 100644 lib/spack/external/py/_path/local.py
create mode 100644 lib/spack/external/py/_path/svnurl.py
create mode 100644 lib/spack/external/py/_path/svnwc.py
create mode 100644 lib/spack/external/py/_process/__init__.py
create mode 100644 lib/spack/external/py/_process/cmdexec.py
create mode 100644 lib/spack/external/py/_process/forkedfunc.py
create mode 100644 lib/spack/external/py/_process/killproc.py
create mode 100644 lib/spack/external/py/_std.py
create mode 100644 lib/spack/external/py/_xmlgen.py
create mode 100644 lib/spack/external/py/test.py
diff --git a/bin/spack b/bin/spack
index 2ff55a486b..66bebe57e7 100755
--- a/bin/spack
+++ b/bin/spack
@@ -46,14 +46,6 @@ sys.path.insert(0, SPACK_LIB_PATH)
SPACK_EXTERNAL_LIBS = os.path.join(SPACK_LIB_PATH, "external")
sys.path.insert(0, SPACK_EXTERNAL_LIBS)
-import warnings
-# Avoid warnings when nose is installed with the python exe being used to run
-# spack. Note this must be done after Spack's external libs directory is added
-# to sys.path.
-with warnings.catch_warnings():
- warnings.filterwarnings("ignore", ".*nose was already imported")
- import nose
-
# Quick and dirty check to clean orphaned .pyc files left over from
# previous revisions. These files were present in earlier versions of
# Spack, were removed, but shadow system modules that Spack still
diff --git a/lib/spack/external/__init__.py b/lib/spack/external/__init__.py
index 49886ae595..48fe4ec5ac 100644
--- a/lib/spack/external/__init__.py
+++ b/lib/spack/external/__init__.py
@@ -35,12 +35,15 @@
jsonschema: An implementation of JSON Schema for Python.
- pytest: Testing framework used by Spack.
-
ordereddict: We include our own version to be Python 2.6 compatible.
+ py: Needed by pytest. Library with cross-python path,
+ ini-parsing, io, code, and log facilities.
+
pyqver2: External script to query required python version of
python source code. Used for ensuring 2.6 compatibility.
+ pytest: Testing framework used by Spack.
+
yaml: Used for config files.
"""
diff --git a/lib/spack/external/py/AUTHORS b/lib/spack/external/py/AUTHORS
new file mode 100644
index 0000000000..8c0cf9b71b
--- /dev/null
+++ b/lib/spack/external/py/AUTHORS
@@ -0,0 +1,24 @@
+Holger Krekel, holger at merlinux eu
+Benjamin Peterson, benjamin at python org
+Ronny Pfannschmidt, Ronny.Pfannschmidt at gmx de
+Guido Wesdorp, johnny at johnnydebris net
+Samuele Pedroni, pedronis at openend se
+Carl Friedrich Bolz, cfbolz at gmx de
+Armin Rigo, arigo at tunes org
+Maciek Fijalkowski, fijal at genesilico pl
+Brian Dorsey, briandorsey at gmail com
+Floris Bruynooghe, flub at devork be
+merlinux GmbH, Germany, office at merlinux eu
+
+Contributors include::
+
+Ross Lawley
+Ralf Schmitt
+Chris Lamb
+Harald Armin Massa
+Martijn Faassen
+Ian Bicking
+Jan Balster
+Grig Gheorghiu
+Bob Ippolito
+Christian Tismer
diff --git a/lib/spack/external/py/LICENSE b/lib/spack/external/py/LICENSE
new file mode 100644
index 0000000000..31ecdfb1db
--- /dev/null
+++ b/lib/spack/external/py/LICENSE
@@ -0,0 +1,19 @@
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in all
+ copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ SOFTWARE.
+
diff --git a/lib/spack/external/py/README.rst b/lib/spack/external/py/README.rst
new file mode 100644
index 0000000000..e836b7b50a
--- /dev/null
+++ b/lib/spack/external/py/README.rst
@@ -0,0 +1,21 @@
+.. image:: https://img.shields.io/pypi/pyversions/pytest.svg
+ :target: https://pypi.org/project/py
+.. image:: https://img.shields.io/travis/pytest-dev/py.svg
+ :target: https://travis-ci.org/pytest-dev/py
+
+The py lib is a Python development support library featuring
+the following tools and modules:
+
+* ``py.path``: uniform local and svn path objects
+* ``py.apipkg``: explicit API control and lazy-importing
+* ``py.iniconfig``: easy parsing of .ini files
+* ``py.code``: dynamic code generation and introspection
+
+NOTE: prior to the 1.4 release this distribution used to
+contain py.test which is now its own package, see http://pytest.org
+
+For questions and more information please visit http://pylib.readthedocs.org
+
+Bugs and issues: https://github.com/pytest-dev/py
+
+Authors: Holger Krekel and others, 2004-2016
diff --git a/lib/spack/external/py/__init__.py b/lib/spack/external/py/__init__.py
new file mode 100644
index 0000000000..c2273a2e64
--- /dev/null
+++ b/lib/spack/external/py/__init__.py
@@ -0,0 +1,150 @@
+"""
+py.test and pylib: rapid testing and development utils
+
+this module uses apipkg.py for lazy-loading sub modules
+and classes. The initpkg-dictionary below specifies
+name->value mappings where value can be another namespace
+dictionary or an import path.
+
+(c) Holger Krekel and others, 2004-2014
+"""
+__version__ = '1.4.32'
+
+from py import _apipkg
+
+# so that py.error.* instances are picklable
+import sys
+sys.modules['py.error'] = _apipkg.AliasModule("py.error", "py._error", 'error')
+
+_apipkg.initpkg(__name__, attr={'_apipkg': _apipkg}, exportdefs={
+ # access to all standard lib modules
+ 'std': '._std:std',
+ # access to all posix errno's as classes
+ 'error': '._error:error',
+
+ '_pydir' : '.__metainfo:pydir',
+ 'version': 'py:__version__', # backward compatibility
+
+ # pytest-2.0 has a flat namespace, we use alias modules
+ # to keep old references compatible
+ 'test' : 'pytest',
+ 'test.collect' : 'pytest',
+ 'test.cmdline' : 'pytest',
+
+ # hook into the top-level standard library
+ 'process' : {
+ '__doc__' : '._process:__doc__',
+ 'cmdexec' : '._process.cmdexec:cmdexec',
+ 'kill' : '._process.killproc:kill',
+ 'ForkedFunc' : '._process.forkedfunc:ForkedFunc',
+ },
+
+ 'apipkg' : {
+ 'initpkg' : '._apipkg:initpkg',
+ 'ApiModule' : '._apipkg:ApiModule',
+ },
+
+ 'iniconfig' : {
+ 'IniConfig' : '._iniconfig:IniConfig',
+ 'ParseError' : '._iniconfig:ParseError',
+ },
+
+ 'path' : {
+ '__doc__' : '._path:__doc__',
+ 'svnwc' : '._path.svnwc:SvnWCCommandPath',
+ 'svnurl' : '._path.svnurl:SvnCommandPath',
+ 'local' : '._path.local:LocalPath',
+ 'SvnAuth' : '._path.svnwc:SvnAuth',
+ },
+
+ # python inspection/code-generation API
+ 'code' : {
+ '__doc__' : '._code:__doc__',
+ 'compile' : '._code.source:compile_',
+ 'Source' : '._code.source:Source',
+ 'Code' : '._code.code:Code',
+ 'Frame' : '._code.code:Frame',
+ 'ExceptionInfo' : '._code.code:ExceptionInfo',
+ 'Traceback' : '._code.code:Traceback',
+ 'getfslineno' : '._code.source:getfslineno',
+ 'getrawcode' : '._code.code:getrawcode',
+ 'patch_builtins' : '._code.code:patch_builtins',
+ 'unpatch_builtins' : '._code.code:unpatch_builtins',
+ '_AssertionError' : '._code.assertion:AssertionError',
+ '_reinterpret_old' : '._code.assertion:reinterpret_old',
+ '_reinterpret' : '._code.assertion:reinterpret',
+ '_reprcompare' : '._code.assertion:_reprcompare',
+ '_format_explanation' : '._code.assertion:_format_explanation',
+ },
+
+ # backports and additions of builtins
+ 'builtin' : {
+ '__doc__' : '._builtin:__doc__',
+ 'enumerate' : '._builtin:enumerate',
+ 'reversed' : '._builtin:reversed',
+ 'sorted' : '._builtin:sorted',
+ 'any' : '._builtin:any',
+ 'all' : '._builtin:all',
+ 'set' : '._builtin:set',
+ 'frozenset' : '._builtin:frozenset',
+ 'BaseException' : '._builtin:BaseException',
+ 'GeneratorExit' : '._builtin:GeneratorExit',
+ '_sysex' : '._builtin:_sysex',
+ 'print_' : '._builtin:print_',
+ '_reraise' : '._builtin:_reraise',
+ '_tryimport' : '._builtin:_tryimport',
+ 'exec_' : '._builtin:exec_',
+ '_basestring' : '._builtin:_basestring',
+ '_totext' : '._builtin:_totext',
+ '_isbytes' : '._builtin:_isbytes',
+ '_istext' : '._builtin:_istext',
+ '_getimself' : '._builtin:_getimself',
+ '_getfuncdict' : '._builtin:_getfuncdict',
+ '_getcode' : '._builtin:_getcode',
+ 'builtins' : '._builtin:builtins',
+ 'execfile' : '._builtin:execfile',
+ 'callable' : '._builtin:callable',
+ 'bytes' : '._builtin:bytes',
+ 'text' : '._builtin:text',
+ },
+
+ # input-output helping
+ 'io' : {
+ '__doc__' : '._io:__doc__',
+ 'dupfile' : '._io.capture:dupfile',
+ 'TextIO' : '._io.capture:TextIO',
+ 'BytesIO' : '._io.capture:BytesIO',
+ 'FDCapture' : '._io.capture:FDCapture',
+ 'StdCapture' : '._io.capture:StdCapture',
+ 'StdCaptureFD' : '._io.capture:StdCaptureFD',
+ 'TerminalWriter' : '._io.terminalwriter:TerminalWriter',
+ 'ansi_print' : '._io.terminalwriter:ansi_print',
+ 'get_terminal_width' : '._io.terminalwriter:get_terminal_width',
+ 'saferepr' : '._io.saferepr:saferepr',
+ },
+
+ # small and mean xml/html generation
+ 'xml' : {
+ '__doc__' : '._xmlgen:__doc__',
+ 'html' : '._xmlgen:html',
+ 'Tag' : '._xmlgen:Tag',
+ 'raw' : '._xmlgen:raw',
+ 'Namespace' : '._xmlgen:Namespace',
+ 'escape' : '._xmlgen:escape',
+ },
+
+ 'log' : {
+ # logging API ('producers' and 'consumers' connected via keywords)
+ '__doc__' : '._log:__doc__',
+ '_apiwarn' : '._log.warning:_apiwarn',
+ 'Producer' : '._log.log:Producer',
+ 'setconsumer' : '._log.log:setconsumer',
+ '_setstate' : '._log.log:setstate',
+ '_getstate' : '._log.log:getstate',
+ 'Path' : '._log.log:Path',
+ 'STDOUT' : '._log.log:STDOUT',
+ 'STDERR' : '._log.log:STDERR',
+ 'Syslog' : '._log.log:Syslog',
+ },
+
+})
diff --git a/lib/spack/external/py/__metainfo.py b/lib/spack/external/py/__metainfo.py
new file mode 100644
index 0000000000..12581eb7af
--- /dev/null
+++ b/lib/spack/external/py/__metainfo.py
@@ -0,0 +1,2 @@
+import py
+pydir = py.path.local(py.__file__).dirpath()
diff --git a/lib/spack/external/py/_apipkg.py b/lib/spack/external/py/_apipkg.py
new file mode 100644
index 0000000000..a73b8f6d0b
--- /dev/null
+++ b/lib/spack/external/py/_apipkg.py
@@ -0,0 +1,181 @@
+"""
+apipkg: control the exported namespace of a python package.
+
+see http://pypi.python.org/pypi/apipkg
+
+(c) holger krekel, 2009 - MIT license
+"""
+import os
+import sys
+from types import ModuleType
+
+__version__ = '1.3.dev'
+
+def _py_abspath(path):
+ """
+ special version of abspath
+ that will leave paths from jython jars alone
+ """
+ if path.startswith('__pyclasspath__'):
+
+ return path
+ else:
+ return os.path.abspath(path)
+
+def initpkg(pkgname, exportdefs, attr=dict()):
+ """ initialize given package from the export definitions. """
+ oldmod = sys.modules.get(pkgname)
+ d = {}
+ f = getattr(oldmod, '__file__', None)
+ if f:
+ f = _py_abspath(f)
+ d['__file__'] = f
+ if hasattr(oldmod, '__version__'):
+ d['__version__'] = oldmod.__version__
+ if hasattr(oldmod, '__loader__'):
+ d['__loader__'] = oldmod.__loader__
+ if hasattr(oldmod, '__path__'):
+ d['__path__'] = [_py_abspath(p) for p in oldmod.__path__]
+ if '__doc__' not in exportdefs and getattr(oldmod, '__doc__', None):
+ d['__doc__'] = oldmod.__doc__
+ d.update(attr)
+ if hasattr(oldmod, "__dict__"):
+ oldmod.__dict__.update(d)
+ mod = ApiModule(pkgname, exportdefs, implprefix=pkgname, attr=d)
+ sys.modules[pkgname] = mod
+
+def importobj(modpath, attrname):
+ module = __import__(modpath, None, None, ['__doc__'])
+ if not attrname:
+ return module
+
+ retval = module
+ names = attrname.split(".")
+ for x in names:
+ retval = getattr(retval, x)
+ return retval
+
+class ApiModule(ModuleType):
+ def __docget(self):
+ try:
+ return self.__doc
+ except AttributeError:
+ if '__doc__' in self.__map__:
+ return self.__makeattr('__doc__')
+ def __docset(self, value):
+ self.__doc = value
+ __doc__ = property(__docget, __docset)
+
+ def __init__(self, name, importspec, implprefix=None, attr=None):
+ self.__name__ = name
+ self.__all__ = [x for x in importspec if x != '__onfirstaccess__']
+ self.__map__ = {}
+ self.__implprefix__ = implprefix or name
+ if attr:
+ for name, val in attr.items():
+ # print "setting", self.__name__, name, val
+ setattr(self, name, val)
+ for name, importspec in importspec.items():
+ if isinstance(importspec, dict):
+ subname = '%s.%s' % (self.__name__, name)
+ apimod = ApiModule(subname, importspec, implprefix)
+ sys.modules[subname] = apimod
+ setattr(self, name, apimod)
+ else:
+ parts = importspec.split(':')
+ modpath = parts.pop(0)
+ attrname = parts and parts[0] or ""
+ if modpath[0] == '.':
+ modpath = implprefix + modpath
+
+ if not attrname:
+ subname = '%s.%s' % (self.__name__, name)
+ apimod = AliasModule(subname, modpath)
+ sys.modules[subname] = apimod
+ if '.' not in name:
+ setattr(self, name, apimod)
+ else:
+ self.__map__[name] = (modpath, attrname)
+
+ def __repr__(self):
+ l = []
+ if hasattr(self, '__version__'):
+ l.append("version=" + repr(self.__version__))
+ if hasattr(self, '__file__'):
+ l.append('from ' + repr(self.__file__))
+ if l:
+ return '<ApiModule %r %s>' % (self.__name__, " ".join(l))
+ return '<ApiModule %r>' % (self.__name__,)
+
+ def __makeattr(self, name):
+ """lazily compute value for name or raise AttributeError if unknown."""
+ # print "makeattr", self.__name__, name
+ target = None
+ if '__onfirstaccess__' in self.__map__:
+ target = self.__map__.pop('__onfirstaccess__')
+ importobj(*target)()
+ try:
+ modpath, attrname = self.__map__[name]
+ except KeyError:
+ if target is not None and name != '__onfirstaccess__':
+ # retry, onfirstaccess might have set attrs
+ return getattr(self, name)
+ raise AttributeError(name)
+ else:
+ result = importobj(modpath, attrname)
+ setattr(self, name, result)
+ try:
+ del self.__map__[name]
+ except KeyError:
+ pass # in a recursive-import situation a double-del can happen
+ return result
+
+ __getattr__ = __makeattr
+
+ def __dict__(self):
+ # force all the content of the module to be loaded when __dict__ is read
+ dictdescr = ModuleType.__dict__['__dict__']
+ dict = dictdescr.__get__(self)
+ if dict is not None:
+ hasattr(self, 'some')
+ for name in self.__all__:
+ try:
+ self.__makeattr(name)
+ except AttributeError:
+ pass
+ return dict
+ __dict__ = property(__dict__)
+
+
+def AliasModule(modname, modpath, attrname=None):
+ mod = []
+
+ def getmod():
+ if not mod:
+ x = importobj(modpath, None)
+ if attrname is not None:
+ x = getattr(x, attrname)
+ mod.append(x)
+ return mod[0]
+
+ class AliasModule(ModuleType):
+
+ def __repr__(self):
+ x = modpath
+ if attrname:
+ x += "." + attrname
+ return '<AliasModule %r for %r>' % (modname, x)
+
+ def __getattribute__(self, name):
+ try:
+ return getattr(getmod(), name)
+ except ImportError:
+ return None
+
+ def __setattr__(self, name, value):
+ setattr(getmod(), name, value)
+
+ def __delattr__(self, name):
+ delattr(getmod(), name)
+
+ return AliasModule(str(modname))
diff --git a/lib/spack/external/py/_builtin.py b/lib/spack/external/py/_builtin.py
new file mode 100644
index 0000000000..52ee9d79ca
--- /dev/null
+++ b/lib/spack/external/py/_builtin.py
@@ -0,0 +1,248 @@
+import sys
+
+try:
+ reversed = reversed
+except NameError:
+ def reversed(sequence):
+ """reversed(sequence) -> reverse iterator over values of the sequence
+
+ Return a reverse iterator
+ """
+ if hasattr(sequence, '__reversed__'):
+ return sequence.__reversed__()
+ if not hasattr(sequence, '__getitem__'):
+ raise TypeError("argument to reversed() must be a sequence")
+ return reversed_iterator(sequence)
+
+ class reversed_iterator(object):
+
+ def __init__(self, seq):
+ self.seq = seq
+ self.remaining = len(seq)
+
+ def __iter__(self):
+ return self
+
+ def next(self):
+ i = self.remaining
+ if i > 0:
+ i -= 1
+ item = self.seq[i]
+ self.remaining = i
+ return item
+ raise StopIteration
+
+ def __length_hint__(self):
+ return self.remaining
+
+try:
+ any = any
+except NameError:
+ def any(iterable):
+ for x in iterable:
+ if x:
+ return True
+ return False
+
+try:
+ all = all
+except NameError:
+ def all(iterable):
+ for x in iterable:
+ if not x:
+ return False
+ return True
+
+try:
+ sorted = sorted
+except NameError:
+ builtin_cmp = cmp # need to use cmp as keyword arg
+
+ def sorted(iterable, cmp=None, key=None, reverse=0):
+ use_cmp = None
+ if key is not None:
+ if cmp is None:
+ def use_cmp(x, y):
+ return builtin_cmp(x[0], y[0])
+ else:
+ def use_cmp(x, y):
+ return cmp(x[0], y[0])
+ l = [(key(element), element) for element in iterable]
+ else:
+ if cmp is not None:
+ use_cmp = cmp
+ l = list(iterable)
+ if use_cmp is not None:
+ l.sort(use_cmp)
+ else:
+ l.sort()
+ if reverse:
+ l.reverse()
+ if key is not None:
+ return [element for (_, element) in l]
+ return l
+
+try:
+ set, frozenset = set, frozenset
+except NameError:
+ from sets import set, frozenset
+
+# pass through
+enumerate = enumerate
+
+try:
+ BaseException = BaseException
+except NameError:
+ BaseException = Exception
+
+try:
+ GeneratorExit = GeneratorExit
+except NameError:
+ class GeneratorExit(Exception):
+ """ This exception is never raised, it is there to make it possible to
+ write code compatible with CPython 2.5 even in lower CPython
+ versions."""
+ pass
+ GeneratorExit.__module__ = 'exceptions'
+
+_sysex = (KeyboardInterrupt, SystemExit, MemoryError, GeneratorExit)
+
+try:
+ callable = callable
+except NameError:
+ def callable(obj):
+ return hasattr(obj, "__call__")
+
+if sys.version_info >= (3, 0):
+ exec ("print_ = print ; exec_=exec")
+ import builtins
+
+ # some backward compatibility helpers
+ _basestring = str
+ def _totext(obj, encoding=None, errors=None):
+ if isinstance(obj, bytes):
+ if errors is None:
+ obj = obj.decode(encoding)
+ else:
+ obj = obj.decode(encoding, errors)
+ elif not isinstance(obj, str):
+ obj = str(obj)
+ return obj
+
+ def _isbytes(x):
+ return isinstance(x, bytes)
+ def _istext(x):
+ return isinstance(x, str)
+
+ text = str
+ bytes = bytes
+
+
+ def _getimself(function):
+ return getattr(function, '__self__', None)
+
+ def _getfuncdict(function):
+ return getattr(function, "__dict__", None)
+
+ def _getcode(function):
+ return getattr(function, "__code__", None)
+
+ def execfile(fn, globs=None, locs=None):
+ if globs is None:
+ back = sys._getframe(1)
+ globs = back.f_globals
+ locs = back.f_locals
+ del back
+ elif locs is None:
+ locs = globs
+ fp = open(fn, "r")
+ try:
+ source = fp.read()
+ finally:
+ fp.close()
+ co = compile(source, fn, "exec", dont_inherit=True)
+ exec_(co, globs, locs)
+
+else:
+ import __builtin__ as builtins
+ _totext = unicode
+ _basestring = basestring
+ text = unicode
+ bytes = str
+ execfile = execfile
+ callable = callable
+ def _isbytes(x):
+ return isinstance(x, str)
+ def _istext(x):
+ return isinstance(x, unicode)
+
+ def _getimself(function):
+ return getattr(function, 'im_self', None)
+
+ def _getfuncdict(function):
+ return getattr(function, "__dict__", None)
+
+ def _getcode(function):
+ try:
+ return getattr(function, "__code__")
+ except AttributeError:
+ return getattr(function, "func_code", None)
+
+ def print_(*args, **kwargs):
+ """ minimal backport of py3k print statement. """
+ sep = ' '
+ if 'sep' in kwargs:
+ sep = kwargs.pop('sep')
+ end = '\n'
+ if 'end' in kwargs:
+ end = kwargs.pop('end')
+ file = 'file' in kwargs and kwargs.pop('file') or sys.stdout
+ if kwargs:
+ args = ", ".join([str(x) for x in kwargs])
+ raise TypeError("invalid keyword arguments: %s" % args)
+ at_start = True
+ for x in args:
+ if not at_start:
+ file.write(sep)
+ file.write(str(x))
+ at_start = False
+ file.write(end)
+
+ def exec_(obj, globals=None, locals=None):
+ """ minimal backport of py3k exec statement. """
+ __tracebackhide__ = True
+ if globals is None:
+ frame = sys._getframe(1)
+ globals = frame.f_globals
+ if locals is None:
+ locals = frame.f_locals
+ elif locals is None:
+ locals = globals
+ exec2(obj, globals, locals)
+
+if sys.version_info >= (3, 0):
+ def _reraise(cls, val, tb):
+ __tracebackhide__ = True
+ assert hasattr(val, '__traceback__')
+ raise cls.with_traceback(val, tb)
+else:
+ exec ("""
+def _reraise(cls, val, tb):
+ __tracebackhide__ = True
+ raise cls, val, tb
+def exec2(obj, globals, locals):
+ __tracebackhide__ = True
+ exec obj in globals, locals
+""")
+
+def _tryimport(*names):
+ """ return the first successfully imported module. """
+ assert names
+ for name in names:
+ try:
+ __import__(name)
+ except ImportError:
+ excinfo = sys.exc_info()
+ else:
+ return sys.modules[name]
+ _reraise(*excinfo)
diff --git a/lib/spack/external/py/_code/__init__.py b/lib/spack/external/py/_code/__init__.py
new file mode 100644
index 0000000000..f15acf8513
--- /dev/null
+++ b/lib/spack/external/py/_code/__init__.py
@@ -0,0 +1 @@
+""" python inspection/code generation API """
diff --git a/lib/spack/external/py/_code/_assertionnew.py b/lib/spack/external/py/_code/_assertionnew.py
new file mode 100644
index 0000000000..afb1b31ff0
--- /dev/null
+++ b/lib/spack/external/py/_code/_assertionnew.py
@@ -0,0 +1,339 @@
+"""
+Find intermediate evalutation results in assert statements through builtin AST.
+This should replace _assertionold.py eventually.
+"""
+
+import sys
+import ast
+
+import py
+from py._code.assertion import _format_explanation, BuiltinAssertionError
+
+
+if sys.platform.startswith("java") and sys.version_info < (2, 5, 2):
+ # See http://bugs.jython.org/issue1497
+ _exprs = ("BoolOp", "BinOp", "UnaryOp", "Lambda", "IfExp", "Dict",
+ "ListComp", "GeneratorExp", "Yield", "Compare", "Call",
+ "Repr", "Num", "Str", "Attribute", "Subscript", "Name",
+ "List", "Tuple")
+ _stmts = ("FunctionDef", "ClassDef", "Return", "Delete", "Assign",
+ "AugAssign", "Print", "For", "While", "If", "With", "Raise",
+ "TryExcept", "TryFinally", "Assert", "Import", "ImportFrom",
+ "Exec", "Global", "Expr", "Pass", "Break", "Continue")
+ _expr_nodes = set(getattr(ast, name) for name in _exprs)
+ _stmt_nodes = set(getattr(ast, name) for name in _stmts)
+ def _is_ast_expr(node):
+ return node.__class__ in _expr_nodes
+ def _is_ast_stmt(node):
+ return node.__class__ in _stmt_nodes
+else:
+ def _is_ast_expr(node):
+ return isinstance(node, ast.expr)
+ def _is_ast_stmt(node):
+ return isinstance(node, ast.stmt)
+
+
+class Failure(Exception):
+ """Error found while interpreting AST."""
+
+ def __init__(self, explanation=""):
+ self.cause = sys.exc_info()
+ self.explanation = explanation
+
+
+def interpret(source, frame, should_fail=False):
+ mod = ast.parse(source)
+ visitor = DebugInterpreter(frame)
+ try:
+ visitor.visit(mod)
+ except Failure:
+ failure = sys.exc_info()[1]
+ return getfailure(failure)
+ if should_fail:
+ return ("(assertion failed, but when it was re-run for "
+ "printing intermediate values, it did not fail. Suggestions: "
+ "compute assert expression before the assert or use --no-assert)")
+
+def run(offending_line, frame=None):
+ if frame is None:
+ frame = py.code.Frame(sys._getframe(1))
+ return interpret(offending_line, frame)
+
+def getfailure(failure):
+ explanation = _format_explanation(failure.explanation)
+ value = failure.cause[1]
+ if str(value):
+ lines = explanation.splitlines()
+ if not lines:
+ lines.append("")
+ lines[0] += " << %s" % (value,)
+ explanation = "\n".join(lines)
+ text = "%s: %s" % (failure.cause[0].__name__, explanation)
+ if text.startswith("AssertionError: assert "):
+ text = text[16:]
+ return text
+
+
+operator_map = {
+ ast.BitOr : "|",
+ ast.BitXor : "^",
+ ast.BitAnd : "&",
+ ast.LShift : "<<",
+ ast.RShift : ">>",
+ ast.Add : "+",
+ ast.Sub : "-",
+ ast.Mult : "*",
+ ast.Div : "/",
+ ast.FloorDiv : "//",
+ ast.Mod : "%",
+ ast.Eq : "==",
+ ast.NotEq : "!=",
+ ast.Lt : "<",
+ ast.LtE : "<=",
+ ast.Gt : ">",
+ ast.GtE : ">=",
+ ast.Pow : "**",
+ ast.Is : "is",
+ ast.IsNot : "is not",
+ ast.In : "in",
+ ast.NotIn : "not in"
+}
+
+unary_map = {
+ ast.Not : "not %s",
+ ast.Invert : "~%s",
+ ast.USub : "-%s",
+ ast.UAdd : "+%s"
+}
+
+
+class DebugInterpreter(ast.NodeVisitor):
+ """Interpret AST nodes to gleam useful debugging information. """
+
+ def __init__(self, frame):
+ self.frame = frame
+
+ def generic_visit(self, node):
+ # Fallback when we don't have a special implementation.
+ if _is_ast_expr(node):
+ mod = ast.Expression(node)
+ co = self._compile(mod)
+ try:
+ result = self.frame.eval(co)
+ except Exception:
+ raise Failure()
+ explanation = self.frame.repr(result)
+ return explanation, result
+ elif _is_ast_stmt(node):
+ mod = ast.Module([node])
+ co = self._compile(mod, "exec")
+ try:
+ self.frame.exec_(co)
+ except Exception:
+ raise Failure()
+ return None, None
+ else:
+ raise AssertionError("can't handle %s" %(node,))
+
+ def _compile(self, source, mode="eval"):
+ return compile(source, "<assertion interpretation>", mode)
+
+ def visit_Expr(self, expr):
+ return self.visit(expr.value)
+
+ def visit_Module(self, mod):
+ for stmt in mod.body:
+ self.visit(stmt)
+
+ def visit_Name(self, name):
+ explanation, result = self.generic_visit(name)
+ # See if the name is local.
+ source = "%r in locals() is not globals()" % (name.id,)
+ co = self._compile(source)
+ try:
+ local = self.frame.eval(co)
+ except Exception:
+ # have to assume it isn't
+ local = False
+ if not local:
+ return name.id, result
+ return explanation, result
+
+ def visit_Compare(self, comp):
+ left = comp.left
+ left_explanation, left_result = self.visit(left)
+ for op, next_op in zip(comp.ops, comp.comparators):
+ next_explanation, next_result = self.visit(next_op)
+ op_symbol = operator_map[op.__class__]
+ explanation = "%s %s %s" % (left_explanation, op_symbol,
+ next_explanation)
+ source = "__exprinfo_left %s __exprinfo_right" % (op_symbol,)
+ co = self._compile(source)
+ try:
+ result = self.frame.eval(co, __exprinfo_left=left_result,
+ __exprinfo_right=next_result)
+ except Exception:
+ raise Failure(explanation)
+ try:
+ if not result:
+ break
+ except KeyboardInterrupt:
+ raise
+ except:
+ break
+ left_explanation, left_result = next_explanation, next_result
+
+ rcomp = py.code._reprcompare
+ if rcomp:
+ res = rcomp(op_symbol, left_result, next_result)
+ if res:
+ explanation = res
+ return explanation, result
+
+ def visit_BoolOp(self, boolop):
+ is_or = isinstance(boolop.op, ast.Or)
+ explanations = []
+ for operand in boolop.values:
+ explanation, result = self.visit(operand)
+ explanations.append(explanation)
+ if result == is_or:
+ break
+ name = is_or and " or " or " and "
+ explanation = "(" + name.join(explanations) + ")"
+ return explanation, result
+
+ def visit_UnaryOp(self, unary):
+ pattern = unary_map[unary.op.__class__]
+ operand_explanation, operand_result = self.visit(unary.operand)
+ explanation = pattern % (operand_explanation,)
+ co = self._compile(pattern % ("__exprinfo_expr",))
+ try:
+ result = self.frame.eval(co, __exprinfo_expr=operand_result)
+ except Exception:
+ raise Failure(explanation)
+ return explanation, result
+
+ def visit_BinOp(self, binop):
+ left_explanation, left_result = self.visit(binop.left)
+ right_explanation, right_result = self.visit(binop.right)
+ symbol = operator_map[binop.op.__class__]
+ explanation = "(%s %s %s)" % (left_explanation, symbol,
+ right_explanation)
+ source = "__exprinfo_left %s __exprinfo_right" % (symbol,)
+ co = self._compile(source)
+ try:
+ result = self.frame.eval(co, __exprinfo_left=left_result,
+ __exprinfo_right=right_result)
+ except Exception:
+ raise Failure(explanation)
+ return explanation, result
+
+ def visit_Call(self, call):
+ func_explanation, func = self.visit(call.func)
+ arg_explanations = []
+ ns = {"__exprinfo_func" : func}
+ arguments = []
+ for arg in call.args:
+ arg_explanation, arg_result = self.visit(arg)
+ arg_name = "__exprinfo_%s" % (len(ns),)
+ ns[arg_name] = arg_result
+ arguments.append(arg_name)
+ arg_explanations.append(arg_explanation)
+ for keyword in call.keywords:
+ arg_explanation, arg_result = self.visit(keyword.value)
+ arg_name = "__exprinfo_%s" % (len(ns),)
+ ns[arg_name] = arg_result
+ keyword_source = "%s=%%s" % (keyword.arg)
+ arguments.append(keyword_source % (arg_name,))
+ arg_explanations.append(keyword_source % (arg_explanation,))
+ if call.starargs:
+ arg_explanation, arg_result = self.visit(call.starargs)
+ arg_name = "__exprinfo_star"
+ ns[arg_name] = arg_result
+ arguments.append("*%s" % (arg_name,))
+ arg_explanations.append("*%s" % (arg_explanation,))
+ if call.kwargs:
+ arg_explanation, arg_result = self.visit(call.kwargs)
+ arg_name = "__exprinfo_kwds"
+ ns[arg_name] = arg_result
+ arguments.append("**%s" % (arg_name,))
+ arg_explanations.append("**%s" % (arg_explanation,))
+ args_explained = ", ".join(arg_explanations)
+ explanation = "%s(%s)" % (func_explanation, args_explained)
+ args = ", ".join(arguments)
+ source = "__exprinfo_func(%s)" % (args,)
+ co = self._compile(source)
+ try:
+ result = self.frame.eval(co, **ns)
+ except Exception:
+ raise Failure(explanation)
+ pattern = "%s\n{%s = %s\n}"
+ rep = self.frame.repr(result)
+ explanation = pattern % (rep, rep, explanation)
+ return explanation, result
+
+ def _is_builtin_name(self, name):
+ pattern = "%r not in globals() and %r not in locals()"
+ source = pattern % (name.id, name.id)
+ co = self._compile(source)
+ try:
+ return self.frame.eval(co)
+ except Exception:
+ return False
+
+ def visit_Attribute(self, attr):
+ if not isinstance(attr.ctx, ast.Load):
+ return self.generic_visit(attr)
+ source_explanation, source_result = self.visit(attr.value)
+ explanation = "%s.%s" % (source_explanation, attr.attr)
+ source = "__exprinfo_expr.%s" % (attr.attr,)
+ co = self._compile(source)
+ try:
+ result = self.frame.eval(co, __exprinfo_expr=source_result)
+ except Exception:
+ raise Failure(explanation)
+ explanation = "%s\n{%s = %s.%s\n}" % (self.frame.repr(result),
+ self.frame.repr(result),
+ source_explanation, attr.attr)
+ # Check if the attr is from an instance.
+ source = "%r in getattr(__exprinfo_expr, '__dict__', {})"
+ source = source % (attr.attr,)
+ co = self._compile(source)
+ try:
+ from_instance = self.frame.eval(co, __exprinfo_expr=source_result)
+ except Exception:
+ from_instance = True
+ if from_instance:
+ rep = self.frame.repr(result)
+ pattern = "%s\n{%s = %s\n}"
+ explanation = pattern % (rep, rep, explanation)
+ return explanation, result
+
+ def visit_Assert(self, assrt):
+ test_explanation, test_result = self.visit(assrt.test)
+ if test_explanation.startswith("False\n{False =") and \
+ test_explanation.endswith("\n"):
+ test_explanation = test_explanation[15:-2]
+ explanation = "assert %s" % (test_explanation,)
+ if not test_result:
+ try:
+ raise BuiltinAssertionError
+ except Exception:
+ raise Failure(explanation)
+ return explanation, test_result
+
+ def visit_Assign(self, assign):
+ value_explanation, value_result = self.visit(assign.value)
+ explanation = "... = %s" % (value_explanation,)
+ name = ast.Name("__exprinfo_expr", ast.Load(),
+ lineno=assign.value.lineno,
+ col_offset=assign.value.col_offset)
+ new_assign = ast.Assign(assign.targets, name, lineno=assign.lineno,
+ col_offset=assign.col_offset)
+ mod = ast.Module([new_assign])
+ co = self._compile(mod, "exec")
+ try:
+ self.frame.exec_(co, __exprinfo_expr=value_result)
+ except Exception:
+ raise Failure(explanation)
+ return explanation, value_result
diff --git a/lib/spack/external/py/_code/_assertionold.py b/lib/spack/external/py/_code/_assertionold.py
new file mode 100644
index 0000000000..4e81fb3ef6
--- /dev/null
+++ b/lib/spack/external/py/_code/_assertionold.py
@@ -0,0 +1,555 @@
+import py
+import sys, inspect
+from compiler import parse, ast, pycodegen
+from py._code.assertion import BuiltinAssertionError, _format_explanation
+
+passthroughex = py.builtin._sysex
+
+class Failure:
+ def __init__(self, node):
+ self.exc, self.value, self.tb = sys.exc_info()
+ self.node = node
+
+class View(object):
+ """View base class.
+
+ If C is a subclass of View, then C(x) creates a proxy object around
+ the object x. The actual class of the proxy is not C in general,
+ but a *subclass* of C determined by the rules below. To avoid confusion
+ we call view class the class of the proxy (a subclass of C, so of View)
+ and object class the class of x.
+
+ Attributes and methods not found in the proxy are automatically read on x.
+ Other operations like setting attributes are performed on the proxy, as
+ determined by its view class. The object x is available from the proxy
+ as its __obj__ attribute.
+
+ The view class selection is determined by the __view__ tuples and the
+ optional __viewkey__ method. By default, the selected view class is the
+ most specific subclass of C whose __view__ mentions the class of x.
+ If no such subclass is found, the search proceeds with the parent
+ object classes. For example, C(True) will first look for a subclass
+ of C with __view__ = (..., bool, ...) and only if it doesn't find any
+ look for one with __view__ = (..., int, ...), and then ..., object,...
+ If everything fails the class C itself is considered to be the default.
+
+ Alternatively, the view class selection can be driven by another aspect
+ of the object x, instead of the class of x, by overriding __viewkey__.
+ See last example at the end of this module.
+ """
+
+ _viewcache = {}
+ __view__ = ()
+
+ def __new__(rootclass, obj, *args, **kwds):
+ self = object.__new__(rootclass)
+ self.__obj__ = obj
+ self.__rootclass__ = rootclass
+ key = self.__viewkey__()
+ try:
+ self.__class__ = self._viewcache[key]
+ except KeyError:
+ self.__class__ = self._selectsubclass(key)
+ return self
+
+ def __getattr__(self, attr):
+ # attributes not found in the normal hierarchy rooted on View
+ # are looked up in the object's real class
+ return getattr(self.__obj__, attr)
+
+ def __viewkey__(self):
+ return self.__obj__.__class__
+
+ def __matchkey__(self, key, subclasses):
+ if inspect.isclass(key):
+ keys = inspect.getmro(key)
+ else:
+ keys = [key]
+ for key in keys:
+ result = [C for C in subclasses if key in C.__view__]
+ if result:
+ return result
+ return []
+
+ def _selectsubclass(self, key):
+ subclasses = list(enumsubclasses(self.__rootclass__))
+ for C in subclasses:
+ if not isinstance(C.__view__, tuple):
+ C.__view__ = (C.__view__,)
+ choices = self.__matchkey__(key, subclasses)
+ if not choices:
+ return self.__rootclass__
+ elif len(choices) == 1:
+ return choices[0]
+ else:
+ # combine the multiple choices
+ return type('?', tuple(choices), {})
+
+ def __repr__(self):
+ return '%s(%r)' % (self.__rootclass__.__name__, self.__obj__)
+
+
+def enumsubclasses(cls):
+ for subcls in cls.__subclasses__():
+ for subsubclass in enumsubclasses(subcls):
+ yield subsubclass
+ yield cls
+
+
+class Interpretable(View):
+ """A parse tree node with a few extra methods."""
+ explanation = None
+
+ def is_builtin(self, frame):
+ return False
+
+ def eval(self, frame):
+ # fall-back for unknown expression nodes
+ try:
+ expr = ast.Expression(self.__obj__)
+ expr.filename = '<eval>'
+ self.__obj__.filename = '<eval>'
+ co = pycodegen.ExpressionCodeGenerator(expr).getCode()
+ result = frame.eval(co)
+ except passthroughex:
+ raise
+ except:
+ raise Failure(self)
+ self.result = result
+ self.explanation = self.explanation or frame.repr(self.result)
+
+ def run(self, frame):
+ # fall-back for unknown statement nodes
+ try:
+ expr = ast.Module(None, ast.Stmt([self.__obj__]))
+ expr.filename = '<run>'
+ co = pycodegen.ModuleCodeGenerator(expr).getCode()
+ frame.exec_(co)
+ except passthroughex:
+ raise
+ except:
+ raise Failure(self)
+
+ def nice_explanation(self):
+ return _format_explanation(self.explanation)
+
+
+class Name(Interpretable):
+ __view__ = ast.Name
+
+ def is_local(self, frame):
+ source = '%r in locals() is not globals()' % self.name
+ try:
+ return frame.is_true(frame.eval(source))
+ except passthroughex:
+ raise
+ except:
+ return False
+
+ def is_global(self, frame):
+ source = '%r in globals()' % self.name
+ try:
+ return frame.is_true(frame.eval(source))
+ except passthroughex:
+ raise
+ except:
+ return False
+
+ def is_builtin(self, frame):
+ source = '%r not in locals() and %r not in globals()' % (
+ self.name, self.name)
+ try:
+ return frame.is_true(frame.eval(source))
+ except passthroughex:
+ raise
+ except:
+ return False
+
+ def eval(self, frame):
+ super(Name, self).eval(frame)
+ if not self.is_local(frame):
+ self.explanation = self.name
+
+class Compare(Interpretable):
+ __view__ = ast.Compare
+
+ def eval(self, frame):
+ expr = Interpretable(self.expr)
+ expr.eval(frame)
+ for operation, expr2 in self.ops:
+ if hasattr(self, 'result'):
+ # shortcutting in chained expressions
+ if not frame.is_true(self.result):
+ break
+ expr2 = Interpretable(expr2)
+ expr2.eval(frame)
+ self.explanation = "%s %s %s" % (
+ expr.explanation, operation, expr2.explanation)
+ source = "__exprinfo_left %s __exprinfo_right" % operation
+ try:
+ self.result = frame.eval(source,
+ __exprinfo_left=expr.result,
+ __exprinfo_right=expr2.result)
+ except passthroughex:
+ raise
+ except:
+ raise Failure(self)
+ expr = expr2
+
+class And(Interpretable):
+ __view__ = ast.And
+
+ def eval(self, frame):
+ explanations = []
+ for expr in self.nodes:
+ expr = Interpretable(expr)
+ expr.eval(frame)
+ explanations.append(expr.explanation)
+ self.result = expr.result
+ if not frame.is_true(expr.result):
+ break
+ self.explanation = '(' + ' and '.join(explanations) + ')'
+
+class Or(Interpretable):
+ __view__ = ast.Or
+
+ def eval(self, frame):
+ explanations = []
+ for expr in self.nodes:
+ expr = Interpretable(expr)
+ expr.eval(frame)
+ explanations.append(expr.explanation)
+ self.result = expr.result
+ if frame.is_true(expr.result):
+ break
+ self.explanation = '(' + ' or '.join(explanations) + ')'
+
+
+# == Unary operations ==
+keepalive = []
+for astclass, astpattern in {
+ ast.Not : 'not __exprinfo_expr',
+ ast.Invert : '(~__exprinfo_expr)',
+ }.items():
+
+ class UnaryArith(Interpretable):
+ __view__ = astclass
+
+ def eval(self, frame, astpattern=astpattern):
+ expr = Interpretable(self.expr)
+ expr.eval(frame)
+ self.explanation = astpattern.replace('__exprinfo_expr',
+ expr.explanation)
+ try:
+ self.result = frame.eval(astpattern,
+ __exprinfo_expr=expr.result)
+ except passthroughex:
+ raise
+ except:
+ raise Failure(self)
+
+ keepalive.append(UnaryArith)
+
+# == Binary operations ==
+for astclass, astpattern in {
+ ast.Add : '(__exprinfo_left + __exprinfo_right)',
+ ast.Sub : '(__exprinfo_left - __exprinfo_right)',
+ ast.Mul : '(__exprinfo_left * __exprinfo_right)',
+ ast.Div : '(__exprinfo_left / __exprinfo_right)',
+ ast.Mod : '(__exprinfo_left % __exprinfo_right)',
+ ast.Power : '(__exprinfo_left ** __exprinfo_right)',
+ }.items():
+
+ class BinaryArith(Interpretable):
+ __view__ = astclass
+
+ def eval(self, frame, astpattern=astpattern):
+ left = Interpretable(self.left)
+ left.eval(frame)
+ right = Interpretable(self.right)
+ right.eval(frame)
+ self.explanation = (astpattern
+ .replace('__exprinfo_left', left .explanation)
+ .replace('__exprinfo_right', right.explanation))
+ try:
+ self.result = frame.eval(astpattern,
+ __exprinfo_left=left.result,
+ __exprinfo_right=right.result)
+ except passthroughex:
+ raise
+ except:
+ raise Failure(self)
+
+ keepalive.append(BinaryArith)
+
+
+class CallFunc(Interpretable):
+ __view__ = ast.CallFunc
+
+ def is_bool(self, frame):
+ source = 'isinstance(__exprinfo_value, bool)'
+ try:
+ return frame.is_true(frame.eval(source,
+ __exprinfo_value=self.result))
+ except passthroughex:
+ raise
+ except:
+ return False
+
+ def eval(self, frame):
+ node = Interpretable(self.node)
+ node.eval(frame)
+ explanations = []
+ vars = {'__exprinfo_fn': node.result}
+ source = '__exprinfo_fn('
+ for a in self.args:
+ if isinstance(a, ast.Keyword):
+ keyword = a.name
+ a = a.expr
+ else:
+ keyword = None
+ a = Interpretable(a)
+ a.eval(frame)
+ argname = '__exprinfo_%d' % len(vars)
+ vars[argname] = a.result
+ if keyword is None:
+ source += argname + ','
+ explanations.append(a.explanation)
+ else:
+ source += '%s=%s,' % (keyword, argname)
+ explanations.append('%s=%s' % (keyword, a.explanation))
+ if self.star_args:
+ star_args = Interpretable(self.star_args)
+ star_args.eval(frame)
+ argname = '__exprinfo_star'
+ vars[argname] = star_args.result
+ source += '*' + argname + ','
+ explanations.append('*' + star_args.explanation)
+ if self.dstar_args:
+ dstar_args = Interpretable(self.dstar_args)
+ dstar_args.eval(frame)
+ argname = '__exprinfo_kwds'
+ vars[argname] = dstar_args.result
+ source += '**' + argname + ','
+ explanations.append('**' + dstar_args.explanation)
+ self.explanation = "%s(%s)" % (
+ node.explanation, ', '.join(explanations))
+ if source.endswith(','):
+ source = source[:-1]
+ source += ')'
+ try:
+ self.result = frame.eval(source, **vars)
+ except passthroughex:
+ raise
+ except:
+ raise Failure(self)
+ if not node.is_builtin(frame) or not self.is_bool(frame):
+ r = frame.repr(self.result)
+ self.explanation = '%s\n{%s = %s\n}' % (r, r, self.explanation)
+
+class Getattr(Interpretable):
+ __view__ = ast.Getattr
+
+ def eval(self, frame):
+ expr = Interpretable(self.expr)
+ expr.eval(frame)
+ source = '__exprinfo_expr.%s' % self.attrname
+ try:
+ self.result = frame.eval(source, __exprinfo_expr=expr.result)
+ except passthroughex:
+ raise
+ except:
+ raise Failure(self)
+ self.explanation = '%s.%s' % (expr.explanation, self.attrname)
+ # if the attribute comes from the instance, its value is interesting
+ source = ('hasattr(__exprinfo_expr, "__dict__") and '
+ '%r in __exprinfo_expr.__dict__' % self.attrname)
+ try:
+ from_instance = frame.is_true(
+ frame.eval(source, __exprinfo_expr=expr.result))
+ except passthroughex:
+ raise
+ except:
+ from_instance = True
+ if from_instance:
+ r = frame.repr(self.result)
+ self.explanation = '%s\n{%s = %s\n}' % (r, r, self.explanation)
+
+# == Re-interpretation of full statements ==
+
+class Assert(Interpretable):
+ __view__ = ast.Assert
+
+ def run(self, frame):
+ test = Interpretable(self.test)
+ test.eval(frame)
+ # simplify 'assert False where False = ...'
+ if (test.explanation.startswith('False\n{False = ') and
+ test.explanation.endswith('\n}')):
+ test.explanation = test.explanation[15:-2]
+ # print the result as 'assert <explanation>'
+ self.result = test.result
+ self.explanation = 'assert ' + test.explanation
+ if not frame.is_true(test.result):
+ try:
+ raise BuiltinAssertionError
+ except passthroughex:
+ raise
+ except:
+ raise Failure(self)
+
+class Assign(Interpretable):
+ __view__ = ast.Assign
+
+ def run(self, frame):
+ expr = Interpretable(self.expr)
+ expr.eval(frame)
+ self.result = expr.result
+ self.explanation = '... = ' + expr.explanation
+ # fall-back-run the rest of the assignment
+ ass = ast.Assign(self.nodes, ast.Name('__exprinfo_expr'))
+ mod = ast.Module(None, ast.Stmt([ass]))
+ mod.filename = '<run>'
+ co = pycodegen.ModuleCodeGenerator(mod).getCode()
+ try:
+ frame.exec_(co, __exprinfo_expr=expr.result)
+ except passthroughex:
+ raise
+ except:
+ raise Failure(self)
+
+class Discard(Interpretable):
+ __view__ = ast.Discard
+
+ def run(self, frame):
+ expr = Interpretable(self.expr)
+ expr.eval(frame)
+ self.result = expr.result
+ self.explanation = expr.explanation
+
+class Stmt(Interpretable):
+ __view__ = ast.Stmt
+
+ def run(self, frame):
+ for stmt in self.nodes:
+ stmt = Interpretable(stmt)
+ stmt.run(frame)
+
+
+def report_failure(e):
+ explanation = e.node.nice_explanation()
+ if explanation:
+ explanation = ", in: " + explanation
+ else:
+ explanation = ""
+ sys.stdout.write("%s: %s%s\n" % (e.exc.__name__, e.value, explanation))
+
+def check(s, frame=None):
+ if frame is None:
+ frame = sys._getframe(1)
+ frame = py.code.Frame(frame)
+ expr = parse(s, 'eval')
+ assert isinstance(expr, ast.Expression)
+ node = Interpretable(expr.node)
+ try:
+ node.eval(frame)
+ except passthroughex:
+ raise
+ except Failure:
+ e = sys.exc_info()[1]
+ report_failure(e)
+ else:
+ if not frame.is_true(node.result):
+ sys.stderr.write("assertion failed: %s\n" % node.nice_explanation())
+
+
+###########################################################
+# API / Entry points
+# #########################################################
+
+def interpret(source, frame, should_fail=False):
+ module = Interpretable(parse(source, 'exec').node)
+ #print "got module", module
+ if isinstance(frame, py.std.types.FrameType):
+ frame = py.code.Frame(frame)
+ try:
+ module.run(frame)
+ except Failure:
+ e = sys.exc_info()[1]
+ return getfailure(e)
+ except passthroughex:
+ raise
+ except:
+ import traceback
+ traceback.print_exc()
+ if should_fail:
+ return ("(assertion failed, but when it was re-run for "
+ "printing intermediate values, it did not fail. Suggestions: "
+ "compute assert expression before the assert or use --nomagic)")
+ else:
+ return None
+
+def getmsg(excinfo):
+ if isinstance(excinfo, tuple):
+ excinfo = py.code.ExceptionInfo(excinfo)
+ #frame, line = gettbline(tb)
+ #frame = py.code.Frame(frame)
+ #return interpret(line, frame)
+
+ tb = excinfo.traceback[-1]
+ source = str(tb.statement).strip()
+ x = interpret(source, tb.frame, should_fail=True)
+ if not isinstance(x, str):
+ raise TypeError("interpret returned non-string %r" % (x,))
+ return x
+
+def getfailure(e):
+ explanation = e.node.nice_explanation()
+ if str(e.value):
+ lines = explanation.split('\n')
+ lines[0] += " << %s" % (e.value,)
+ explanation = '\n'.join(lines)
+ text = "%s: %s" % (e.exc.__name__, explanation)
+ if text.startswith('AssertionError: assert '):
+ text = text[16:]
+ return text
+
+def run(s, frame=None):
+ if frame is None:
+ frame = sys._getframe(1)
+ frame = py.code.Frame(frame)
+ module = Interpretable(parse(s, 'exec').node)
+ try:
+ module.run(frame)
+ except Failure:
+ e = sys.exc_info()[1]
+ report_failure(e)
+
+
+if __name__ == '__main__':
+ # example:
+ def f():
+ return 5
+ def g():
+ return 3
+ def h(x):
+ return 'never'
+ check("f() * g() == 5")
+ check("not f()")
+ check("not (f() and g() or 0)")
+ check("f() == g()")
+ i = 4
+ check("i == f()")
+ check("len(f()) == 0")
+ check("isinstance(2+3+4, float)")
+
+ run("x = i")
+ check("x == 5")
+
+ run("assert not f(), 'oops'")
+ run("a, b, c = 1, 2")
+ run("a, b, c = f()")
+
+ check("max([f(),g()]) == 4")
+ check("'hello'[g()] == 'h'")
+ run("'guk%d' % h(f())")
diff --git a/lib/spack/external/py/_code/_py2traceback.py b/lib/spack/external/py/_code/_py2traceback.py
new file mode 100644
index 0000000000..d65e27cb73
--- /dev/null
+++ b/lib/spack/external/py/_code/_py2traceback.py
@@ -0,0 +1,79 @@
+# copied from python-2.7.3's traceback.py
+# CHANGES:
+# - some_str is replaced, trying to create unicode strings
+#
+import types
+
+def format_exception_only(etype, value):
+ """Format the exception part of a traceback.
+
+ The arguments are the exception type and value such as given by
+ sys.last_type and sys.last_value. The return value is a list of
+ strings, each ending in a newline.
+
+ Normally, the list contains a single string; however, for
+ SyntaxError exceptions, it contains several lines that (when
+ printed) display detailed information about where the syntax
+ error occurred.
+
+ The message indicating which exception occurred is always the last
+ string in the list.
+
+ """
+
+ # An instance should not have a meaningful value parameter, but
+ # sometimes does, particularly for string exceptions, such as
+ # >>> raise string1, string2 # deprecated
+ #
+ # Clear these out first because issubtype(string1, SyntaxError)
+ # would throw another exception and mask the original problem.
+ if (isinstance(etype, BaseException) or
+ isinstance(etype, types.InstanceType) or
+ etype is None or type(etype) is str):
+ return [_format_final_exc_line(etype, value)]
+
+ stype = etype.__name__
+
+ if not issubclass(etype, SyntaxError):
+ return [_format_final_exc_line(stype, value)]
+
+ # It was a syntax error; show exactly where the problem was found.
+ lines = []
+ try:
+ msg, (filename, lineno, offset, badline) = value.args
+ except Exception:
+ pass
+ else:
+ filename = filename or "<string>"
+ lines.append(' File "%s", line %d\n' % (filename, lineno))
+ if badline is not None:
+ lines.append(' %s\n' % badline.strip())
+ if offset is not None:
+ caretspace = badline.rstrip('\n')[:offset].lstrip()
+ # non-space whitespace (likes tabs) must be kept for alignment
+ caretspace = ((c.isspace() and c or ' ') for c in caretspace)
+ # only three spaces to account for offset1 == pos 0
+ lines.append(' %s^\n' % ''.join(caretspace))
+ value = msg
+
+ lines.append(_format_final_exc_line(stype, value))
+ return lines
+
+def _format_final_exc_line(etype, value):
+ """Return a list of a single line -- normal case for format_exception_only"""
+ valuestr = _some_str(value)
+ if value is None or not valuestr:
+ line = "%s\n" % etype
+ else:
+ line = "%s: %s\n" % (etype, valuestr)
+ return line
+
+def _some_str(value):
+ try:
+ return unicode(value)
+ except Exception:
+ try:
+ return str(value)
+ except Exception:
+ pass
+ return '<unprintable %s object>' % type(value).__name__
diff --git a/lib/spack/external/py/_code/assertion.py b/lib/spack/external/py/_code/assertion.py
new file mode 100644
index 0000000000..4ce80c75b1
--- /dev/null
+++ b/lib/spack/external/py/_code/assertion.py
@@ -0,0 +1,94 @@
+import sys
+import py
+
+BuiltinAssertionError = py.builtin.builtins.AssertionError
+
+_reprcompare = None # if set, will be called by assert reinterp for comparison ops
+
+def _format_explanation(explanation):
+ """This formats an explanation
+
+ Normally all embedded newlines are escaped, however there are
+ three exceptions: \n{, \n} and \n~. The first two are intended
+ cover nested explanations, see function and attribute explanations
+ for examples (.visit_Call(), visit_Attribute()). The last one is
+ for when one explanation needs to span multiple lines, e.g. when
+ displaying diffs.
+ """
+ raw_lines = (explanation or '').split('\n')
+ # escape newlines not followed by {, } and ~
+ lines = [raw_lines[0]]
+ for l in raw_lines[1:]:
+ if l.startswith('{') or l.startswith('}') or l.startswith('~'):
+ lines.append(l)
+ else:
+ lines[-1] += '\\n' + l
+
+ result = lines[:1]
+ stack = [0]
+ stackcnt = [0]
+ for line in lines[1:]:
+ if line.startswith('{'):
+ if stackcnt[-1]:
+ s = 'and '
+ else:
+ s = 'where '
+ stack.append(len(result))
+ stackcnt[-1] += 1
+ stackcnt.append(0)
+ result.append(' +' + ' '*(len(stack)-1) + s + line[1:])
+ elif line.startswith('}'):
+ assert line.startswith('}')
+ stack.pop()
+ stackcnt.pop()
+ result[stack[-1]] += line[1:]
+ else:
+ assert line.startswith('~')
+ result.append(' '*len(stack) + line[1:])
+ assert len(stack) == 1
+ return '\n'.join(result)
+
+
+class AssertionError(BuiltinAssertionError):
+ def __init__(self, *args):
+ BuiltinAssertionError.__init__(self, *args)
+ if args:
+ try:
+ self.msg = str(args[0])
+ except py.builtin._sysex:
+ raise
+ except:
+ self.msg = "<[broken __repr__] %s at %0xd>" %(
+ args[0].__class__, id(args[0]))
+ else:
+ f = py.code.Frame(sys._getframe(1))
+ try:
+ source = f.code.fullsource
+ if source is not None:
+ try:
+ source = source.getstatement(f.lineno, assertion=True)
+ except IndexError:
+ source = None
+ else:
+ source = str(source.deindent()).strip()
+ except py.error.ENOENT:
+ source = None
+ # this can also occur during reinterpretation, when the
+ # co_filename is set to "<run>".
+ if source:
+ self.msg = reinterpret(source, f, should_fail=True)
+ else:
+ self.msg = "<could not determine information>"
+ if not self.args:
+ self.args = (self.msg,)
+
+if sys.version_info > (3, 0):
+ AssertionError.__module__ = "builtins"
+ reinterpret_old = "old reinterpretation not available for py3"
+else:
+ from py._code._assertionold import interpret as reinterpret_old
+if sys.version_info >= (2, 6) or (sys.platform.startswith("java")):
+ from py._code._assertionnew import interpret as reinterpret
+else:
+ reinterpret = reinterpret_old
+
diff --git a/lib/spack/external/py/_code/code.py b/lib/spack/external/py/_code/code.py
new file mode 100644
index 0000000000..f14c562a29
--- /dev/null
+++ b/lib/spack/external/py/_code/code.py
@@ -0,0 +1,787 @@
+import py
+import sys
+from inspect import CO_VARARGS, CO_VARKEYWORDS
+
+builtin_repr = repr
+
+reprlib = py.builtin._tryimport('repr', 'reprlib')
+
+if sys.version_info[0] >= 3:
+ from traceback import format_exception_only
+else:
+ from py._code._py2traceback import format_exception_only
+
+class Code(object):
+ """ wrapper around Python code objects """
+ def __init__(self, rawcode):
+ if not hasattr(rawcode, "co_filename"):
+ rawcode = py.code.getrawcode(rawcode)
+ try:
+ self.filename = rawcode.co_filename
+ self.firstlineno = rawcode.co_firstlineno - 1
+ self.name = rawcode.co_name
+ except AttributeError:
+ raise TypeError("not a code object: %r" %(rawcode,))
+ self.raw = rawcode
+
+ def __eq__(self, other):
+ return self.raw == other.raw
+
+ def __ne__(self, other):
+ return not self == other
+
+ @property
+ def path(self):
+ """ return a path object pointing to source code (note that it
+ might not point to an actually existing file). """
+ p = py.path.local(self.raw.co_filename)
+ # maybe don't try this checking
+ if not p.check():
+ # XXX maybe try harder like the weird logic
+ # in the standard lib [linecache.updatecache] does?
+ p = self.raw.co_filename
+ return p
+
+ @property
+ def fullsource(self):
+ """ return a py.code.Source object for the full source file of the code
+ """
+ from py._code import source
+ full, _ = source.findsource(self.raw)
+ return full
+
+ def source(self):
+ """ return a py.code.Source object for the code object's source only
+ """
+ # return source only for that part of code
+ return py.code.Source(self.raw)
+
+ def getargs(self, var=False):
+ """ return a tuple with the argument names for the code object
+
+ if 'var' is set True also return the names of the variable and
+ keyword arguments when present
+ """
+ # handfull shortcut for getting args
+ raw = self.raw
+ argcount = raw.co_argcount
+ if var:
+ argcount += raw.co_flags & CO_VARARGS
+ argcount += raw.co_flags & CO_VARKEYWORDS
+ return raw.co_varnames[:argcount]
+
+class Frame(object):
+ """Wrapper around a Python frame holding f_locals and f_globals
+ in which expressions can be evaluated."""
+
+ def __init__(self, frame):
+ self.lineno = frame.f_lineno - 1
+ self.f_globals = frame.f_globals
+ self.f_locals = frame.f_locals
+ self.raw = frame
+ self.code = py.code.Code(frame.f_code)
+
+ @property
+ def statement(self):
+ """ statement this frame is at """
+ if self.code.fullsource is None:
+ return py.code.Source("")
+ return self.code.fullsource.getstatement(self.lineno)
+
+ def eval(self, code, **vars):
+ """ evaluate 'code' in the frame
+
+ 'vars' are optional additional local variables
+
+ returns the result of the evaluation
+ """
+ f_locals = self.f_locals.copy()
+ f_locals.update(vars)
+ return eval(code, self.f_globals, f_locals)
+
+ def exec_(self, code, **vars):
+ """ exec 'code' in the frame
+
+ 'vars' are optiona; additional local variables
+ """
+ f_locals = self.f_locals.copy()
+ f_locals.update(vars)
+ py.builtin.exec_(code, self.f_globals, f_locals )
+
+ def repr(self, object):
+ """ return a 'safe' (non-recursive, one-line) string repr for 'object'
+ """
+ return py.io.saferepr(object)
+
+ def is_true(self, object):
+ return object
+
+ def getargs(self, var=False):
+ """ return a list of tuples (name, value) for all arguments
+
+ if 'var' is set True also include the variable and keyword
+ arguments when present
+ """
+ retval = []
+ for arg in self.code.getargs(var):
+ try:
+ retval.append((arg, self.f_locals[arg]))
+ except KeyError:
+ pass # this can occur when using Psyco
+ return retval
+
+class TracebackEntry(object):
+ """ a single entry in a traceback """
+
+ _repr_style = None
+ exprinfo = None
+
+ def __init__(self, rawentry):
+ self._rawentry = rawentry
+ self.lineno = rawentry.tb_lineno - 1
+
+ def set_repr_style(self, mode):
+ assert mode in ("short", "long")
+ self._repr_style = mode
+
+ @property
+ def frame(self):
+ return py.code.Frame(self._rawentry.tb_frame)
+
+ @property
+ def relline(self):
+ return self.lineno - self.frame.code.firstlineno
+
+ def __repr__(self):
+ return "<TracebackEntry %s:%d>" %(self.frame.code.path, self.lineno+1)
+
+ @property
+ def statement(self):
+ """ py.code.Source object for the current statement """
+ source = self.frame.code.fullsource
+ return source.getstatement(self.lineno)
+
+ @property
+ def path(self):
+ """ path to the source code """
+ return self.frame.code.path
+
+ def getlocals(self):
+ return self.frame.f_locals
+ locals = property(getlocals, None, None, "locals of underlaying frame")
+
+ def reinterpret(self):
+ """Reinterpret the failing statement and returns a detailed information
+ about what operations are performed."""
+ if self.exprinfo is None:
+ source = str(self.statement).strip()
+ x = py.code._reinterpret(source, self.frame, should_fail=True)
+ if not isinstance(x, str):
+ raise TypeError("interpret returned non-string %r" % (x,))
+ self.exprinfo = x
+ return self.exprinfo
+
+ def getfirstlinesource(self):
+ # on Jython this firstlineno can be -1 apparently
+ return max(self.frame.code.firstlineno, 0)
+
+ def getsource(self, astcache=None):
+ """ return failing source code. """
+ # we use the passed in astcache to not reparse asttrees
+ # within exception info printing
+ from py._code.source import getstatementrange_ast
+ source = self.frame.code.fullsource
+ if source is None:
+ return None
+ key = astnode = None
+ if astcache is not None:
+ key = self.frame.code.path
+ if key is not None:
+ astnode = astcache.get(key, None)
+ start = self.getfirstlinesource()
+ try:
+ astnode, _, end = getstatementrange_ast(self.lineno, source,
+ astnode=astnode)
+ except SyntaxError:
+ end = self.lineno + 1
+ else:
+ if key is not None:
+ astcache[key] = astnode
+ return source[start:end]
+
+ source = property(getsource)
+
+ def ishidden(self):
+ """ return True if the current frame has a var __tracebackhide__
+ resolving to True
+
+ mostly for internal use
+ """
+ try:
+ return self.frame.f_locals['__tracebackhide__']
+ except KeyError:
+ try:
+ return self.frame.f_globals['__tracebackhide__']
+ except KeyError:
+ return False
+
+ def __str__(self):
+ try:
+ fn = str(self.path)
+ except py.error.Error:
+ fn = '???'
+ name = self.frame.code.name
+ try:
+ line = str(self.statement).lstrip()
+ except KeyboardInterrupt:
+ raise
+ except:
+ line = "???"
+ return " File %r:%d in %s\n %s\n" %(fn, self.lineno+1, name, line)
+
+ def name(self):
+ return self.frame.code.raw.co_name
+ name = property(name, None, None, "co_name of underlaying code")
+
+class Traceback(list):
+ """ Traceback objects encapsulate and offer higher level
+ access to Traceback entries.
+ """
+ Entry = TracebackEntry
+ def __init__(self, tb):
+ """ initialize from given python traceback object. """
+ if hasattr(tb, 'tb_next'):
+ def f(cur):
+ while cur is not None:
+ yield self.Entry(cur)
+ cur = cur.tb_next
+ list.__init__(self, f(tb))
+ else:
+ list.__init__(self, tb)
+
+ def cut(self, path=None, lineno=None, firstlineno=None, excludepath=None):
+ """ return a Traceback instance wrapping part of this Traceback
+
+ by provding any combination of path, lineno and firstlineno, the
+ first frame to start the to-be-returned traceback is determined
+
+ this allows cutting the first part of a Traceback instance e.g.
+ for formatting reasons (removing some uninteresting bits that deal
+ with handling of the exception/traceback)
+ """
+ for x in self:
+ code = x.frame.code
+ codepath = code.path
+ if ((path is None or codepath == path) and
+ (excludepath is None or not hasattr(codepath, 'relto') or
+ not codepath.relto(excludepath)) and
+ (lineno is None or x.lineno == lineno) and
+ (firstlineno is None or x.frame.code.firstlineno == firstlineno)):
+ return Traceback(x._rawentry)
+ return self
+
+ def __getitem__(self, key):
+ val = super(Traceback, self).__getitem__(key)
+ if isinstance(key, type(slice(0))):
+ val = self.__class__(val)
+ return val
+
+ def filter(self, fn=lambda x: not x.ishidden()):
+ """ return a Traceback instance with certain items removed
+
+ fn is a function that gets a single argument, a TracebackItem
+ instance, and should return True when the item should be added
+ to the Traceback, False when not
+
+ by default this removes all the TracebackItems which are hidden
+ (see ishidden() above)
+ """
+ return Traceback(filter(fn, self))
+
+ def getcrashentry(self):
+ """ return last non-hidden traceback entry that lead
+ to the exception of a traceback.
+ """
+ for i in range(-1, -len(self)-1, -1):
+ entry = self[i]
+ if not entry.ishidden():
+ return entry
+ return self[-1]
+
+ def recursionindex(self):
+ """ return the index of the frame/TracebackItem where recursion
+ originates if appropriate, None if no recursion occurred
+ """
+ cache = {}
+ for i, entry in enumerate(self):
+ # id for the code.raw is needed to work around
+ # the strange metaprogramming in the decorator lib from pypi
+ # which generates code objects that have hash/value equality
+ #XXX needs a test
+ key = entry.frame.code.path, id(entry.frame.code.raw), entry.lineno
+ #print "checking for recursion at", key
+ l = cache.setdefault(key, [])
+ if l:
+ f = entry.frame
+ loc = f.f_locals
+ for otherloc in l:
+ if f.is_true(f.eval(co_equal,
+ __recursioncache_locals_1=loc,
+ __recursioncache_locals_2=otherloc)):
+ return i
+ l.append(entry.frame.f_locals)
+ return None
+
+co_equal = compile('__recursioncache_locals_1 == __recursioncache_locals_2',
+ '?', 'eval')
+
+class ExceptionInfo(object):
+ """ wraps sys.exc_info() objects and offers
+ help for navigating the traceback.
+ """
+ _striptext = ''
+ def __init__(self, tup=None, exprinfo=None):
+ if tup is None:
+ tup = sys.exc_info()
+ if exprinfo is None and isinstance(tup[1], AssertionError):
+ exprinfo = getattr(tup[1], 'msg', None)
+ if exprinfo is None:
+ exprinfo = str(tup[1])
+ if exprinfo and exprinfo.startswith('assert '):
+ self._striptext = 'AssertionError: '
+ self._excinfo = tup
+ #: the exception class
+ self.type = tup[0]
+ #: the exception instance
+ self.value = tup[1]
+ #: the exception raw traceback
+ self.tb = tup[2]
+ #: the exception type name
+ self.typename = self.type.__name__
+ #: the exception traceback (py.code.Traceback instance)
+ self.traceback = py.code.Traceback(self.tb)
+
+ def __repr__(self):
+ return "<ExceptionInfo %s tblen=%d>" % (self.typename, len(self.traceback))
+
+ def exconly(self, tryshort=False):
+ """ return the exception as a string
+
+ when 'tryshort' resolves to True, and the exception is a
+ py.code._AssertionError, only the actual exception part of
+ the exception representation is returned (so 'AssertionError: ' is
+ removed from the beginning)
+ """
+ lines = format_exception_only(self.type, self.value)
+ text = ''.join(lines)
+ text = text.rstrip()
+ if tryshort:
+ if text.startswith(self._striptext):
+ text = text[len(self._striptext):]
+ return text
+
+ def errisinstance(self, exc):
+ """ return True if the exception is an instance of exc """
+ return isinstance(self.value, exc)
+
+ def _getreprcrash(self):
+ exconly = self.exconly(tryshort=True)
+ entry = self.traceback.getcrashentry()
+ path, lineno = entry.frame.code.raw.co_filename, entry.lineno
+ return ReprFileLocation(path, lineno+1, exconly)
+
+ def getrepr(self, showlocals=False, style="long",
+ abspath=False, tbfilter=True, funcargs=False):
+ """ return str()able representation of this exception info.
+ showlocals: show locals per traceback entry
+ style: long|short|no|native traceback style
+ tbfilter: hide entries (where __tracebackhide__ is true)
+
+ in case of style==native, tbfilter and showlocals is ignored.
+ """
+ if style == 'native':
+ return ReprExceptionInfo(ReprTracebackNative(
+ py.std.traceback.format_exception(
+ self.type,
+ self.value,
+ self.traceback[0]._rawentry,
+ )), self._getreprcrash())
+
+ fmt = FormattedExcinfo(showlocals=showlocals, style=style,
+ abspath=abspath, tbfilter=tbfilter, funcargs=funcargs)
+ return fmt.repr_excinfo(self)
+
+ def __str__(self):
+ entry = self.traceback[-1]
+ loc = ReprFileLocation(entry.path, entry.lineno + 1, self.exconly())
+ return str(loc)
+
+ def __unicode__(self):
+ entry = self.traceback[-1]
+ loc = ReprFileLocation(entry.path, entry.lineno + 1, self.exconly())
+ return unicode(loc)
+
+
+class FormattedExcinfo(object):
+ """ presenting information about failing Functions and Generators. """
+ # for traceback entries
+ flow_marker = ">"
+ fail_marker = "E"
+
+ def __init__(self, showlocals=False, style="long", abspath=True, tbfilter=True, funcargs=False):
+ self.showlocals = showlocals
+ self.style = style
+ self.tbfilter = tbfilter
+ self.funcargs = funcargs
+ self.abspath = abspath
+ self.astcache = {}
+
+ def _getindent(self, source):
+ # figure out indent for given source
+ try:
+ s = str(source.getstatement(len(source)-1))
+ except KeyboardInterrupt:
+ raise
+ except:
+ try:
+ s = str(source[-1])
+ except KeyboardInterrupt:
+ raise
+ except:
+ return 0
+ return 4 + (len(s) - len(s.lstrip()))
+
+ def _getentrysource(self, entry):
+ source = entry.getsource(self.astcache)
+ if source is not None:
+ source = source.deindent()
+ return source
+
+ def _saferepr(self, obj):
+ return py.io.saferepr(obj)
+
+ def repr_args(self, entry):
+ if self.funcargs:
+ args = []
+ for argname, argvalue in entry.frame.getargs(var=True):
+ args.append((argname, self._saferepr(argvalue)))
+ return ReprFuncArgs(args)
+
+ def get_source(self, source, line_index=-1, excinfo=None, short=False):
+ """ return formatted and marked up source lines. """
+ lines = []
+ if source is None or line_index >= len(source.lines):
+ source = py.code.Source("???")
+ line_index = 0
+ if line_index < 0:
+ line_index += len(source)
+ space_prefix = " "
+ if short:
+ lines.append(space_prefix + source.lines[line_index].strip())
+ else:
+ for line in source.lines[:line_index]:
+ lines.append(space_prefix + line)
+ lines.append(self.flow_marker + " " + source.lines[line_index])
+ for line in source.lines[line_index+1:]:
+ lines.append(space_prefix + line)
+ if excinfo is not None:
+ indent = 4 if short else self._getindent(source)
+ lines.extend(self.get_exconly(excinfo, indent=indent, markall=True))
+ return lines
+
+ def get_exconly(self, excinfo, indent=4, markall=False):
+ lines = []
+ indent = " " * indent
+ # get the real exception information out
+ exlines = excinfo.exconly(tryshort=True).split('\n')
+ failindent = self.fail_marker + indent[1:]
+ for line in exlines:
+ lines.append(failindent + line)
+ if not markall:
+ failindent = indent
+ return lines
+
+ def repr_locals(self, locals):
+ if self.showlocals:
+ lines = []
+ keys = [loc for loc in locals if loc[0] != "@"]
+ keys.sort()
+ for name in keys:
+ value = locals[name]
+ if name == '__builtins__':
+ lines.append("__builtins__ = <builtins>")
+ else:
+ # This formatting could all be handled by the
+ # _repr() function, which is only reprlib.Repr in
+ # disguise, so is very configurable.
+ str_repr = self._saferepr(value)
+ #if len(str_repr) < 70 or not isinstance(value,
+ # (list, tuple, dict)):
+ lines.append("%-10s = %s" %(name, str_repr))
+ #else:
+ # self._line("%-10s =\\" % (name,))
+ # # XXX
+ # py.std.pprint.pprint(value, stream=self.excinfowriter)
+ return ReprLocals(lines)
+
+ def repr_traceback_entry(self, entry, excinfo=None):
+ source = self._getentrysource(entry)
+ if source is None:
+ source = py.code.Source("???")
+ line_index = 0
+ else:
+ # entry.getfirstlinesource() can be -1, should be 0 on jython
+ line_index = entry.lineno - max(entry.getfirstlinesource(), 0)
+
+ lines = []
+ style = entry._repr_style
+ if style is None:
+ style = self.style
+ if style in ("short", "long"):
+ short = style == "short"
+ reprargs = self.repr_args(entry) if not short else None
+ s = self.get_source(source, line_index, excinfo, short=short)
+ lines.extend(s)
+ if short:
+ message = "in %s" %(entry.name)
+ else:
+ message = excinfo and excinfo.typename or ""
+ path = self._makepath(entry.path)
+ filelocrepr = ReprFileLocation(path, entry.lineno+1, message)
+ localsrepr = None
+ if not short:
+ localsrepr = self.repr_locals(entry.locals)
+ return ReprEntry(lines, reprargs, localsrepr, filelocrepr, style)
+ if excinfo:
+ lines.extend(self.get_exconly(excinfo, indent=4))
+ return ReprEntry(lines, None, None, None, style)
+
+ def _makepath(self, path):
+ if not self.abspath:
+ try:
+ np = py.path.local().bestrelpath(path)
+ except OSError:
+ return path
+ if len(np) < len(str(path)):
+ path = np
+ return path
+
+ def repr_traceback(self, excinfo):
+ traceback = excinfo.traceback
+ if self.tbfilter:
+ traceback = traceback.filter()
+ recursionindex = None
+ if excinfo.errisinstance(RuntimeError):
+ if "maximum recursion depth exceeded" in str(excinfo.value):
+ recursionindex = traceback.recursionindex()
+ last = traceback[-1]
+ entries = []
+ extraline = None
+ for index, entry in enumerate(traceback):
+ einfo = (last == entry) and excinfo or None
+ reprentry = self.repr_traceback_entry(entry, einfo)
+ entries.append(reprentry)
+ if index == recursionindex:
+ extraline = "!!! Recursion detected (same locals & position)"
+ break
+ return ReprTraceback(entries, extraline, style=self.style)
+
+ def repr_excinfo(self, excinfo):
+ reprtraceback = self.repr_traceback(excinfo)
+ reprcrash = excinfo._getreprcrash()
+ return ReprExceptionInfo(reprtraceback, reprcrash)
+
+class TerminalRepr:
+ def __str__(self):
+ s = self.__unicode__()
+ if sys.version_info[0] < 3:
+ s = s.encode('utf-8')
+ return s
+
+ def __unicode__(self):
+ # FYI this is called from pytest-xdist's serialization of exception
+ # information.
+ io = py.io.TextIO()
+ tw = py.io.TerminalWriter(file=io)
+ self.toterminal(tw)
+ return io.getvalue().strip()
+
+ def __repr__(self):
+ return "<%s instance at %0x>" %(self.__class__, id(self))
+
+
+class ReprExceptionInfo(TerminalRepr):
+ def __init__(self, reprtraceback, reprcrash):
+ self.reprtraceback = reprtraceback
+ self.reprcrash = reprcrash
+ self.sections = []
+
+ def addsection(self, name, content, sep="-"):
+ self.sections.append((name, content, sep))
+
+ def toterminal(self, tw):
+ self.reprtraceback.toterminal(tw)
+ for name, content, sep in self.sections:
+ tw.sep(sep, name)
+ tw.line(content)
+
+class ReprTraceback(TerminalRepr):
+ entrysep = "_ "
+
+ def __init__(self, reprentries, extraline, style):
+ self.reprentries = reprentries
+ self.extraline = extraline
+ self.style = style
+
+ def toterminal(self, tw):
+ # the entries might have different styles
+ last_style = None
+ for i, entry in enumerate(self.reprentries):
+ if entry.style == "long":
+ tw.line("")
+ entry.toterminal(tw)
+ if i < len(self.reprentries) - 1:
+ next_entry = self.reprentries[i+1]
+ if entry.style == "long" or \
+ entry.style == "short" and next_entry.style == "long":
+ tw.sep(self.entrysep)
+
+ if self.extraline:
+ tw.line(self.extraline)
+
+class ReprTracebackNative(ReprTraceback):
+ def __init__(self, tblines):
+ self.style = "native"
+ self.reprentries = [ReprEntryNative(tblines)]
+ self.extraline = None
+
+class ReprEntryNative(TerminalRepr):
+ style = "native"
+
+ def __init__(self, tblines):
+ self.lines = tblines
+
+ def toterminal(self, tw):
+ tw.write("".join(self.lines))
+
+class ReprEntry(TerminalRepr):
+ localssep = "_ "
+
+ def __init__(self, lines, reprfuncargs, reprlocals, filelocrepr, style):
+ self.lines = lines
+ self.reprfuncargs = reprfuncargs
+ self.reprlocals = reprlocals
+ self.reprfileloc = filelocrepr
+ self.style = style
+
+ def toterminal(self, tw):
+ if self.style == "short":
+ self.reprfileloc.toterminal(tw)
+ for line in self.lines:
+ red = line.startswith("E ")
+ tw.line(line, bold=True, red=red)
+ #tw.line("")
+ return
+ if self.reprfuncargs:
+ self.reprfuncargs.toterminal(tw)
+ for line in self.lines:
+ red = line.startswith("E ")
+ tw.line(line, bold=True, red=red)
+ if self.reprlocals:
+ #tw.sep(self.localssep, "Locals")
+ tw.line("")
+ self.reprlocals.toterminal(tw)
+ if self.reprfileloc:
+ if self.lines:
+ tw.line("")
+ self.reprfileloc.toterminal(tw)
+
+ def __str__(self):
+ return "%s\n%s\n%s" % ("\n".join(self.lines),
+ self.reprlocals,
+ self.reprfileloc)
+
+class ReprFileLocation(TerminalRepr):
+ def __init__(self, path, lineno, message):
+ self.path = str(path)
+ self.lineno = lineno
+ self.message = message
+
+ def toterminal(self, tw):
+ # filename and lineno output for each entry,
+ # using an output format that most editors unterstand
+ msg = self.message
+ i = msg.find("\n")
+ if i != -1:
+ msg = msg[:i]
+ tw.line("%s:%s: %s" %(self.path, self.lineno, msg))
+
+class ReprLocals(TerminalRepr):
+ def __init__(self, lines):
+ self.lines = lines
+
+ def toterminal(self, tw):
+ for line in self.lines:
+ tw.line(line)
+
+class ReprFuncArgs(TerminalRepr):
+ def __init__(self, args):
+ self.args = args
+
+ def toterminal(self, tw):
+ if self.args:
+ linesofar = ""
+ for name, value in self.args:
+ ns = "%s = %s" %(name, value)
+ if len(ns) + len(linesofar) + 2 > tw.fullwidth:
+ if linesofar:
+ tw.line(linesofar)
+ linesofar = ns
+ else:
+ if linesofar:
+ linesofar += ", " + ns
+ else:
+ linesofar = ns
+ if linesofar:
+ tw.line(linesofar)
+ tw.line("")
+
+
+
+oldbuiltins = {}
+
+def patch_builtins(assertion=True, compile=True):
+ """ put compile and AssertionError builtins to Python's builtins. """
+ if assertion:
+ from py._code import assertion
+ l = oldbuiltins.setdefault('AssertionError', [])
+ l.append(py.builtin.builtins.AssertionError)
+ py.builtin.builtins.AssertionError = assertion.AssertionError
+ if compile:
+ l = oldbuiltins.setdefault('compile', [])
+ l.append(py.builtin.builtins.compile)
+ py.builtin.builtins.compile = py.code.compile
+
+def unpatch_builtins(assertion=True, compile=True):
+ """ remove compile and AssertionError builtins from Python builtins. """
+ if assertion:
+ py.builtin.builtins.AssertionError = oldbuiltins['AssertionError'].pop()
+ if compile:
+ py.builtin.builtins.compile = oldbuiltins['compile'].pop()
+
+def getrawcode(obj, trycall=True):
+ """ return code object for given function. """
+ try:
+ return obj.__code__
+ except AttributeError:
+ obj = getattr(obj, 'im_func', obj)
+ obj = getattr(obj, 'func_code', obj)
+ obj = getattr(obj, 'f_code', obj)
+ obj = getattr(obj, '__code__', obj)
+ if trycall and not hasattr(obj, 'co_firstlineno'):
+ if hasattr(obj, '__call__') and not py.std.inspect.isclass(obj):
+ x = getrawcode(obj.__call__, trycall=False)
+ if hasattr(x, 'co_firstlineno'):
+ return x
+ return obj
+
diff --git a/lib/spack/external/py/_code/source.py b/lib/spack/external/py/_code/source.py
new file mode 100644
index 0000000000..c8b668b2fb
--- /dev/null
+++ b/lib/spack/external/py/_code/source.py
@@ -0,0 +1,411 @@
+from __future__ import generators
+
+from bisect import bisect_right
+import sys
+import inspect, tokenize
+import py
+from types import ModuleType
+cpy_compile = compile
+
+try:
+ import _ast
+ from _ast import PyCF_ONLY_AST as _AST_FLAG
+except ImportError:
+ _AST_FLAG = 0
+ _ast = None
+
+
+class Source(object):
+ """ a immutable object holding a source code fragment,
+ possibly deindenting it.
+ """
+ _compilecounter = 0
+ def __init__(self, *parts, **kwargs):
+ self.lines = lines = []
+ de = kwargs.get('deindent', True)
+ rstrip = kwargs.get('rstrip', True)
+ for part in parts:
+ if not part:
+ partlines = []
+ if isinstance(part, Source):
+ partlines = part.lines
+ elif isinstance(part, (tuple, list)):
+ partlines = [x.rstrip("\n") for x in part]
+ elif isinstance(part, py.builtin._basestring):
+ partlines = part.split('\n')
+ if rstrip:
+ while partlines:
+ if partlines[-1].strip():
+ break
+ partlines.pop()
+ else:
+ partlines = getsource(part, deindent=de).lines
+ if de:
+ partlines = deindent(partlines)
+ lines.extend(partlines)
+
+ def __eq__(self, other):
+ try:
+ return self.lines == other.lines
+ except AttributeError:
+ if isinstance(other, str):
+ return str(self) == other
+ return False
+
+ def __getitem__(self, key):
+ if isinstance(key, int):
+ return self.lines[key]
+ else:
+ if key.step not in (None, 1):
+ raise IndexError("cannot slice a Source with a step")
+ return self.__getslice__(key.start, key.stop)
+
+ def __len__(self):
+ return len(self.lines)
+
+ def __getslice__(self, start, end):
+ newsource = Source()
+ newsource.lines = self.lines[start:end]
+ return newsource
+
+ def strip(self):
+ """ return new source object with trailing
+ and leading blank lines removed.
+ """
+ start, end = 0, len(self)
+ while start < end and not self.lines[start].strip():
+ start += 1
+ while end > start and not self.lines[end-1].strip():
+ end -= 1
+ source = Source()
+ source.lines[:] = self.lines[start:end]
+ return source
+
+ def putaround(self, before='', after='', indent=' ' * 4):
+ """ return a copy of the source object with
+ 'before' and 'after' wrapped around it.
+ """
+ before = Source(before)
+ after = Source(after)
+ newsource = Source()
+ lines = [ (indent + line) for line in self.lines]
+ newsource.lines = before.lines + lines + after.lines
+ return newsource
+
+ def indent(self, indent=' ' * 4):
+ """ return a copy of the source object with
+ all lines indented by the given indent-string.
+ """
+ newsource = Source()
+ newsource.lines = [(indent+line) for line in self.lines]
+ return newsource
+
+ def getstatement(self, lineno, assertion=False):
+ """ return Source statement which contains the
+ given linenumber (counted from 0).
+ """
+ start, end = self.getstatementrange(lineno, assertion)
+ return self[start:end]
+
+ def getstatementrange(self, lineno, assertion=False):
+ """ return (start, end) tuple which spans the minimal
+ statement region which containing the given lineno.
+ """
+ if not (0 <= lineno < len(self)):
+ raise IndexError("lineno out of range")
+ ast, start, end = getstatementrange_ast(lineno, self)
+ return start, end
+
+ def deindent(self, offset=None):
+ """ return a new source object deindented by offset.
+ If offset is None then guess an indentation offset from
+ the first non-blank line. Subsequent lines which have a
+ lower indentation offset will be copied verbatim as
+ they are assumed to be part of multilines.
+ """
+ # XXX maybe use the tokenizer to properly handle multiline
+ # strings etc.pp?
+ newsource = Source()
+ newsource.lines[:] = deindent(self.lines, offset)
+ return newsource
+
+ def isparseable(self, deindent=True):
+ """ return True if source is parseable, heuristically
+ deindenting it by default.
+ """
+ try:
+ import parser
+ except ImportError:
+ syntax_checker = lambda x: compile(x, 'asd', 'exec')
+ else:
+ syntax_checker = parser.suite
+
+ if deindent:
+ source = str(self.deindent())
+ else:
+ source = str(self)
+ try:
+ #compile(source+'\n', "x", "exec")
+ syntax_checker(source+'\n')
+ except KeyboardInterrupt:
+ raise
+ except Exception:
+ return False
+ else:
+ return True
+
+ def __str__(self):
+ return "\n".join(self.lines)
+
+ def compile(self, filename=None, mode='exec',
+ flag=generators.compiler_flag,
+ dont_inherit=0, _genframe=None):
+ """ return compiled code object. if filename is None
+ invent an artificial filename which displays
+ the source/line position of the caller frame.
+ """
+ if not filename or py.path.local(filename).check(file=0):
+ if _genframe is None:
+ _genframe = sys._getframe(1) # the caller
+ fn,lineno = _genframe.f_code.co_filename, _genframe.f_lineno
+ base = "<%d-codegen " % self._compilecounter
+ self.__class__._compilecounter += 1
+ if not filename:
+ filename = base + '%s:%d>' % (fn, lineno)
+ else:
+ filename = base + '%r %s:%d>' % (filename, fn, lineno)
+ source = "\n".join(self.lines) + '\n'
+ try:
+ co = cpy_compile(source, filename, mode, flag)
+ except SyntaxError:
+ ex = sys.exc_info()[1]
+ # re-represent syntax errors from parsing python strings
+ msglines = self.lines[:ex.lineno]
+ if ex.offset:
+ msglines.append(" "*ex.offset + '^')
+ msglines.append("(code was compiled probably from here: %s)" % filename)
+ newex = SyntaxError('\n'.join(msglines))
+ newex.offset = ex.offset
+ newex.lineno = ex.lineno
+ newex.text = ex.text
+ raise newex
+ else:
+ if flag & _AST_FLAG:
+ return co
+ lines = [(x + "\n") for x in self.lines]
+ py.std.linecache.cache[filename] = (1, None, lines, filename)
+ return co
+
+#
+# public API shortcut functions
+#
+
+def compile_(source, filename=None, mode='exec', flags=
+ generators.compiler_flag, dont_inherit=0):
+ """ compile the given source to a raw code object,
+ and maintain an internal cache which allows later
+ retrieval of the source code for the code object
+ and any recursively created code objects.
+ """
+ if _ast is not None and isinstance(source, _ast.AST):
+ # XXX should Source support having AST?
+ return cpy_compile(source, filename, mode, flags, dont_inherit)
+ _genframe = sys._getframe(1) # the caller
+ s = Source(source)
+ co = s.compile(filename, mode, flags, _genframe=_genframe)
+ return co
+
+
+def getfslineno(obj):
+ """ Return source location (path, lineno) for the given object.
+ If the source cannot be determined return ("", -1)
+ """
+ try:
+ code = py.code.Code(obj)
+ except TypeError:
+ try:
+ fn = (py.std.inspect.getsourcefile(obj) or
+ py.std.inspect.getfile(obj))
+ except TypeError:
+ return "", -1
+
+ fspath = fn and py.path.local(fn) or None
+ lineno = -1
+ if fspath:
+ try:
+ _, lineno = findsource(obj)
+ except IOError:
+ pass
+ else:
+ fspath = code.path
+ lineno = code.firstlineno
+ assert isinstance(lineno, int)
+ return fspath, lineno
+
+#
+# helper functions
+#
+
+def findsource(obj):
+ try:
+ sourcelines, lineno = py.std.inspect.findsource(obj)
+ except py.builtin._sysex:
+ raise
+ except:
+ return None, -1
+ source = Source()
+ source.lines = [line.rstrip() for line in sourcelines]
+ return source, lineno
+
+def getsource(obj, **kwargs):
+ obj = py.code.getrawcode(obj)
+ try:
+ strsrc = inspect.getsource(obj)
+ except IndentationError:
+ strsrc = "\"Buggy python version consider upgrading, cannot get source\""
+ assert isinstance(strsrc, str)
+ return Source(strsrc, **kwargs)
+
+def deindent(lines, offset=None):
+ if offset is None:
+ for line in lines:
+ line = line.expandtabs()
+ s = line.lstrip()
+ if s:
+ offset = len(line)-len(s)
+ break
+ else:
+ offset = 0
+ if offset == 0:
+ return list(lines)
+ newlines = []
+ def readline_generator(lines):
+ for line in lines:
+ yield line + '\n'
+ while True:
+ yield ''
+
+ it = readline_generator(lines)
+
+ try:
+ for _, _, (sline, _), (eline, _), _ in tokenize.generate_tokens(lambda: next(it)):
+ if sline > len(lines):
+ break # End of input reached
+ if sline > len(newlines):
+ line = lines[sline - 1].expandtabs()
+ if line.lstrip() and line[:offset].isspace():
+ line = line[offset:] # Deindent
+ newlines.append(line)
+
+ for i in range(sline, eline):
+ # Don't deindent continuing lines of
+ # multiline tokens (i.e. multiline strings)
+ newlines.append(lines[i])
+ except (IndentationError, tokenize.TokenError):
+ pass
+ # Add any lines we didn't see. E.g. if an exception was raised.
+ newlines.extend(lines[len(newlines):])
+ return newlines
+
+
+def get_statement_startend2(lineno, node):
+ import ast
+ # flatten all statements and except handlers into one lineno-list
+ # AST's line numbers start indexing at 1
+ l = []
+ for x in ast.walk(node):
+ if isinstance(x, _ast.stmt) or isinstance(x, _ast.ExceptHandler):
+ l.append(x.lineno - 1)
+ for name in "finalbody", "orelse":
+ val = getattr(x, name, None)
+ if val:
+ # treat the finally/orelse part as its own statement
+ l.append(val[0].lineno - 1 - 1)
+ l.sort()
+ insert_index = bisect_right(l, lineno)
+ start = l[insert_index - 1]
+ if insert_index >= len(l):
+ end = None
+ else:
+ end = l[insert_index]
+ return start, end
+
+
+def getstatementrange_ast(lineno, source, assertion=False, astnode=None):
+ if astnode is None:
+ content = str(source)
+ if sys.version_info < (2,7):
+ content += "\n"
+ try:
+ astnode = compile(content, "source", "exec", 1024) # 1024 for AST
+ except ValueError:
+ start, end = getstatementrange_old(lineno, source, assertion)
+ return None, start, end
+ start, end = get_statement_startend2(lineno, astnode)
+ # we need to correct the end:
+ # - ast-parsing strips comments
+ # - there might be empty lines
+ # - we might have lesser indented code blocks at the end
+ if end is None:
+ end = len(source.lines)
+
+ if end > start + 1:
+ # make sure we don't span differently indented code blocks
+ # by using the BlockFinder helper used which inspect.getsource() uses itself
+ block_finder = inspect.BlockFinder()
+ # if we start with an indented line, put blockfinder to "started" mode
+ block_finder.started = source.lines[start][0].isspace()
+ it = ((x + "\n") for x in source.lines[start:end])
+ try:
+ for tok in tokenize.generate_tokens(lambda: next(it)):
+ block_finder.tokeneater(*tok)
+ except (inspect.EndOfBlock, IndentationError):
+ end = block_finder.last + start
+ except Exception:
+ pass
+
+ # the end might still point to a comment or empty line, correct it
+ while end:
+ line = source.lines[end - 1].lstrip()
+ if line.startswith("#") or not line:
+ end -= 1
+ else:
+ break
+ return astnode, start, end
+
+
+def getstatementrange_old(lineno, source, assertion=False):
+ """ return (start, end) tuple which spans the minimal
+ statement region which containing the given lineno.
+ raise an IndexError if no such statementrange can be found.
+ """
+ # XXX this logic is only used on python2.4 and below
+ # 1. find the start of the statement
+ from codeop import compile_command
+ for start in range(lineno, -1, -1):
+ if assertion:
+ line = source.lines[start]
+ # the following lines are not fully tested, change with care
+ if 'super' in line and 'self' in line and '__init__' in line:
+ raise IndexError("likely a subclass")
+ if "assert" not in line and "raise" not in line:
+ continue
+ trylines = source.lines[start:lineno+1]
+ # quick hack to prepare parsing an indented line with
+ # compile_command() (which errors on "return" outside defs)
+ trylines.insert(0, 'def xxx():')
+ trysource = '\n '.join(trylines)
+ # ^ space here
+ try:
+ compile_command(trysource)
+ except (SyntaxError, OverflowError, ValueError):
+ continue
+
+ # 2. find the end of the statement
+ for end in range(lineno+1, len(source)+1):
+ trysource = source[start:end]
+ if trysource.isparseable():
+ return start, end
+ raise SyntaxError("no valid source range around line %d " % (lineno,))
+
+
diff --git a/lib/spack/external/py/_error.py b/lib/spack/external/py/_error.py
new file mode 100644
index 0000000000..8ca339beba
--- /dev/null
+++ b/lib/spack/external/py/_error.py
@@ -0,0 +1,89 @@
+"""
+create errno-specific classes for IO or os calls.
+
+"""
+import sys, os, errno
+
+class Error(EnvironmentError):
+ def __repr__(self):
+ return "%s.%s %r: %s " %(self.__class__.__module__,
+ self.__class__.__name__,
+ self.__class__.__doc__,
+ " ".join(map(str, self.args)),
+ #repr(self.args)
+ )
+
+ def __str__(self):
+ s = "[%s]: %s" %(self.__class__.__doc__,
+ " ".join(map(str, self.args)),
+ )
+ return s
+
+_winerrnomap = {
+ 2: errno.ENOENT,
+ 3: errno.ENOENT,
+ 17: errno.EEXIST,
+ 18: errno.EXDEV,
+ 13: errno.EBUSY, # empty cd drive, but ENOMEDIUM seems unavailiable
+ 22: errno.ENOTDIR,
+ 20: errno.ENOTDIR,
+ 267: errno.ENOTDIR,
+ 5: errno.EACCES, # anything better?
+}
+
+class ErrorMaker(object):
+ """ lazily provides Exception classes for each possible POSIX errno
+ (as defined per the 'errno' module). All such instances
+ subclass EnvironmentError.
+ """
+ Error = Error
+ _errno2class = {}
+
+ def __getattr__(self, name):
+ if name[0] == "_":
+ raise AttributeError(name)
+ eno = getattr(errno, name)
+ cls = self._geterrnoclass(eno)
+ setattr(self, name, cls)
+ return cls
+
+ def _geterrnoclass(self, eno):
+ try:
+ return self._errno2class[eno]
+ except KeyError:
+ clsname = errno.errorcode.get(eno, "UnknownErrno%d" %(eno,))
+ errorcls = type(Error)(clsname, (Error,),
+ {'__module__':'py.error',
+ '__doc__': os.strerror(eno)})
+ self._errno2class[eno] = errorcls
+ return errorcls
+
+ def checked_call(self, func, *args, **kwargs):
+ """ call a function and raise an errno-exception if applicable. """
+ __tracebackhide__ = True
+ try:
+ return func(*args, **kwargs)
+ except self.Error:
+ raise
+ except (OSError, EnvironmentError):
+ cls, value, tb = sys.exc_info()
+ if not hasattr(value, 'errno'):
+ raise
+ __tracebackhide__ = False
+ errno = value.errno
+ try:
+ if not isinstance(value, WindowsError):
+ raise NameError
+ except NameError:
+ # we are not on Windows, or we got a proper OSError
+ cls = self._geterrnoclass(errno)
+ else:
+ try:
+ cls = self._geterrnoclass(_winerrnomap[errno])
+ except KeyError:
+ raise value
+ raise cls("%s%r" % (func.__name__, args))
+ __tracebackhide__ = True
+
+
+error = ErrorMaker()
diff --git a/lib/spack/external/py/_iniconfig.py b/lib/spack/external/py/_iniconfig.py
new file mode 100644
index 0000000000..92b50bd853
--- /dev/null
+++ b/lib/spack/external/py/_iniconfig.py
@@ -0,0 +1,162 @@
+""" brain-dead simple parser for ini-style files.
+(C) Ronny Pfannschmidt, Holger Krekel -- MIT licensed
+"""
+__version__ = "0.2.dev2"
+
+__all__ = ['IniConfig', 'ParseError']
+
+COMMENTCHARS = "#;"
+
+class ParseError(Exception):
+ def __init__(self, path, lineno, msg):
+ Exception.__init__(self, path, lineno, msg)
+ self.path = path
+ self.lineno = lineno
+ self.msg = msg
+
+ def __str__(self):
+ return "%s:%s: %s" %(self.path, self.lineno+1, self.msg)
+
+class SectionWrapper(object):
+ def __init__(self, config, name):
+ self.config = config
+ self.name = name
+
+ def lineof(self, name):
+ return self.config.lineof(self.name, name)
+
+ def get(self, key, default=None, convert=str):
+ return self.config.get(self.name, key, convert=convert, default=default)
+
+ def __getitem__(self, key):
+ return self.config.sections[self.name][key]
+
+ def __iter__(self):
+ section = self.config.sections.get(self.name, [])
+ def lineof(key):
+ return self.config.lineof(self.name, key)
+ for name in sorted(section, key=lineof):
+ yield name
+
+ def items(self):
+ for name in self:
+ yield name, self[name]
+
+
+class IniConfig(object):
+ def __init__(self, path, data=None):
+ self.path = str(path) # convenience
+ if data is None:
+ f = open(self.path)
+ try:
+ tokens = self._parse(iter(f))
+ finally:
+ f.close()
+ else:
+ tokens = self._parse(data.splitlines(True))
+
+ self._sources = {}
+ self.sections = {}
+
+ for lineno, section, name, value in tokens:
+ if section is None:
+ self._raise(lineno, 'no section header defined')
+ self._sources[section, name] = lineno
+ if name is None:
+ if section in self.sections:
+ self._raise(lineno, 'duplicate section %r'%(section, ))
+ self.sections[section] = {}
+ else:
+ if name in self.sections[section]:
+ self._raise(lineno, 'duplicate name %r'%(name, ))
+ self.sections[section][name] = value
+
+ def _raise(self, lineno, msg):
+ raise ParseError(self.path, lineno, msg)
+
+ def _parse(self, line_iter):
+ result = []
+ section = None
+ for lineno, line in enumerate(line_iter):
+ name, data = self._parseline(line, lineno)
+ # new value
+ if name is not None and data is not None:
+ result.append((lineno, section, name, data))
+ # new section
+ elif name is not None and data is None:
+ if not name:
+ self._raise(lineno, 'empty section name')
+ section = name
+ result.append((lineno, section, None, None))
+ # continuation
+ elif name is None and data is not None:
+ if not result:
+ self._raise(lineno, 'unexpected value continuation')
+ last = result.pop()
+ last_name, last_data = last[-2:]
+ if last_name is None:
+ self._raise(lineno, 'unexpected value continuation')
+
+ if last_data:
+ data = '%s\n%s' % (last_data, data)
+ result.append(last[:-1] + (data,))
+ return result
+
+ def _parseline(self, line, lineno):
+ # blank lines
+ if iscommentline(line):
+ line = ""
+ else:
+ line = line.rstrip()
+ if not line:
+ return None, None
+ # section
+ if line[0] == '[':
+ realline = line
+ for c in COMMENTCHARS:
+ line = line.split(c)[0].rstrip()
+ if line[-1] == "]":
+ return line[1:-1], None
+ return None, realline.strip()
+ # value
+ elif not line[0].isspace():
+ try:
+ name, value = line.split('=', 1)
+ if ":" in name:
+ raise ValueError()
+ except ValueError:
+ try:
+ name, value = line.split(":", 1)
+ except ValueError:
+ self._raise(lineno, 'unexpected line: %r' % line)
+ return name.strip(), value.strip()
+ # continuation
+ else:
+ return None, line.strip()
+
+ def lineof(self, section, name=None):
+ lineno = self._sources.get((section, name))
+ if lineno is not None:
+ return lineno + 1
+
+ def get(self, section, name, default=None, convert=str):
+ try:
+ return convert(self.sections[section][name])
+ except KeyError:
+ return default
+
+ def __getitem__(self, name):
+ if name not in self.sections:
+ raise KeyError(name)
+ return SectionWrapper(self, name)
+
+ def __iter__(self):
+ for name in sorted(self.sections, key=self.lineof):
+ yield SectionWrapper(self, name)
+
+ def __contains__(self, arg):
+ return arg in self.sections
+
+def iscommentline(line):
+ c = line.lstrip()[:1]
+ return c in COMMENTCHARS
diff --git a/lib/spack/external/py/_io/__init__.py b/lib/spack/external/py/_io/__init__.py
new file mode 100644
index 0000000000..835f01f3ab
--- /dev/null
+++ b/lib/spack/external/py/_io/__init__.py
@@ -0,0 +1 @@
+""" input/output helping """
diff --git a/lib/spack/external/py/_io/capture.py b/lib/spack/external/py/_io/capture.py
new file mode 100644
index 0000000000..bc157ed978
--- /dev/null
+++ b/lib/spack/external/py/_io/capture.py
@@ -0,0 +1,371 @@
+import os
+import sys
+import py
+import tempfile
+
+try:
+ from io import StringIO
+except ImportError:
+ from StringIO import StringIO
+
+if sys.version_info < (3,0):
+ class TextIO(StringIO):
+ def write(self, data):
+ if not isinstance(data, unicode):
+ data = unicode(data, getattr(self, '_encoding', 'UTF-8'), 'replace')
+ StringIO.write(self, data)
+else:
+ TextIO = StringIO
+
+try:
+ from io import BytesIO
+except ImportError:
+ class BytesIO(StringIO):
+ def write(self, data):
+ if isinstance(data, unicode):
+ raise TypeError("not a byte value: %r" %(data,))
+ StringIO.write(self, data)
+
+patchsysdict = {0: 'stdin', 1: 'stdout', 2: 'stderr'}
+
+class FDCapture:
+ """ Capture IO to/from a given os-level filedescriptor. """
+
+ def __init__(self, targetfd, tmpfile=None, now=True, patchsys=False):
+ """ save targetfd descriptor, and open a new
+ temporary file there. If no tmpfile is
+ specified a tempfile.Tempfile() will be opened
+ in text mode.
+ """
+ self.targetfd = targetfd
+ if tmpfile is None and targetfd != 0:
+ f = tempfile.TemporaryFile('wb+')
+ tmpfile = dupfile(f, encoding="UTF-8")
+ f.close()
+ self.tmpfile = tmpfile
+ self._savefd = os.dup(self.targetfd)
+ if patchsys:
+ self._oldsys = getattr(sys, patchsysdict[targetfd])
+ if now:
+ self.start()
+
+ def start(self):
+ try:
+ os.fstat(self._savefd)
+ except OSError:
+ raise ValueError("saved filedescriptor not valid, "
+ "did you call start() twice?")
+ if self.targetfd == 0 and not self.tmpfile:
+ fd = os.open(devnullpath, os.O_RDONLY)
+ os.dup2(fd, 0)
+ os.close(fd)
+ if hasattr(self, '_oldsys'):
+ setattr(sys, patchsysdict[self.targetfd], DontReadFromInput())
+ else:
+ os.dup2(self.tmpfile.fileno(), self.targetfd)
+ if hasattr(self, '_oldsys'):
+ setattr(sys, patchsysdict[self.targetfd], self.tmpfile)
+
+ def done(self):
+ """ unpatch and clean up, returns the self.tmpfile (file object)
+ """
+ os.dup2(self._savefd, self.targetfd)
+ os.close(self._savefd)
+ if self.targetfd != 0:
+ self.tmpfile.seek(0)
+ if hasattr(self, '_oldsys'):
+ setattr(sys, patchsysdict[self.targetfd], self._oldsys)
+ return self.tmpfile
+
+ def writeorg(self, data):
+ """ write a string to the original file descriptor
+ """
+ tempfp = tempfile.TemporaryFile()
+ try:
+ os.dup2(self._savefd, tempfp.fileno())
+ tempfp.write(data)
+ finally:
+ tempfp.close()
+
+
+def dupfile(f, mode=None, buffering=0, raising=False, encoding=None):
+ """ return a new open file object that's a duplicate of f
+
+ mode is duplicated if not given, 'buffering' controls
+ buffer size (defaulting to no buffering) and 'raising'
+ defines whether an exception is raised when an incompatible
+ file object is passed in (if raising is False, the file
+ object itself will be returned)
+ """
+ try:
+ fd = f.fileno()
+ mode = mode or f.mode
+ except AttributeError:
+ if raising:
+ raise
+ return f
+ newfd = os.dup(fd)
+ if sys.version_info >= (3,0):
+ if encoding is not None:
+ mode = mode.replace("b", "")
+ buffering = True
+ return os.fdopen(newfd, mode, buffering, encoding, closefd=True)
+ else:
+ f = os.fdopen(newfd, mode, buffering)
+ if encoding is not None:
+ return EncodedFile(f, encoding)
+ return f
+
+class EncodedFile(object):
+ def __init__(self, _stream, encoding):
+ self._stream = _stream
+ self.encoding = encoding
+
+ def write(self, obj):
+ if isinstance(obj, unicode):
+ obj = obj.encode(self.encoding)
+ elif isinstance(obj, str):
+ pass
+ else:
+ obj = str(obj)
+ self._stream.write(obj)
+
+ def writelines(self, linelist):
+ data = ''.join(linelist)
+ self.write(data)
+
+ def __getattr__(self, name):
+ return getattr(self._stream, name)
+
+class Capture(object):
+ def call(cls, func, *args, **kwargs):
+ """ return a (res, out, err) tuple where
+ out and err represent the output/error output
+ during function execution.
+ call the given function with args/kwargs
+ and capture output/error during its execution.
+ """
+ so = cls()
+ try:
+ res = func(*args, **kwargs)
+ finally:
+ out, err = so.reset()
+ return res, out, err
+ call = classmethod(call)
+
+ def reset(self):
+ """ reset sys.stdout/stderr and return captured output as strings. """
+ if hasattr(self, '_reset'):
+ raise ValueError("was already reset")
+ self._reset = True
+ outfile, errfile = self.done(save=False)
+ out, err = "", ""
+ if outfile and not outfile.closed:
+ out = outfile.read()
+ outfile.close()
+ if errfile and errfile != outfile and not errfile.closed:
+ err = errfile.read()
+ errfile.close()
+ return out, err
+
+ def suspend(self):
+ """ return current snapshot captures, memorize tempfiles. """
+ outerr = self.readouterr()
+ outfile, errfile = self.done()
+ return outerr
+
+
+class StdCaptureFD(Capture):
+ """ This class allows to capture writes to FD1 and FD2
+ and may connect a NULL file to FD0 (and prevent
+ reads from sys.stdin). If any of the 0,1,2 file descriptors
+ is invalid it will not be captured.
+ """
+ def __init__(self, out=True, err=True, mixed=False,
+ in_=True, patchsys=True, now=True):
+ self._options = {
+ "out": out,
+ "err": err,
+ "mixed": mixed,
+ "in_": in_,
+ "patchsys": patchsys,
+ "now": now,
+ }
+ self._save()
+ if now:
+ self.startall()
+
+ def _save(self):
+ in_ = self._options['in_']
+ out = self._options['out']
+ err = self._options['err']
+ mixed = self._options['mixed']
+ patchsys = self._options['patchsys']
+ if in_:
+ try:
+ self.in_ = FDCapture(0, tmpfile=None, now=False,
+ patchsys=patchsys)
+ except OSError:
+ pass
+ if out:
+ tmpfile = None
+ if hasattr(out, 'write'):
+ tmpfile = out
+ try:
+ self.out = FDCapture(1, tmpfile=tmpfile,
+ now=False, patchsys=patchsys)
+ self._options['out'] = self.out.tmpfile
+ except OSError:
+ pass
+ if err:
+ if out and mixed:
+ tmpfile = self.out.tmpfile
+ elif hasattr(err, 'write'):
+ tmpfile = err
+ else:
+ tmpfile = None
+ try:
+ self.err = FDCapture(2, tmpfile=tmpfile,
+ now=False, patchsys=patchsys)
+ self._options['err'] = self.err.tmpfile
+ except OSError:
+ pass
+
+ def startall(self):
+ if hasattr(self, 'in_'):
+ self.in_.start()
+ if hasattr(self, 'out'):
+ self.out.start()
+ if hasattr(self, 'err'):
+ self.err.start()
+
+ def resume(self):
+ """ resume capturing with original temp files. """
+ self.startall()
+
+ def done(self, save=True):
+ """ return (outfile, errfile) and stop capturing. """
+ outfile = errfile = None
+ if hasattr(self, 'out') and not self.out.tmpfile.closed:
+ outfile = self.out.done()
+ if hasattr(self, 'err') and not self.err.tmpfile.closed:
+ errfile = self.err.done()
+ if hasattr(self, 'in_'):
+ tmpfile = self.in_.done()
+ if save:
+ self._save()
+ return outfile, errfile
+
+ def readouterr(self):
+ """ return snapshot value of stdout/stderr capturings. """
+ if hasattr(self, "out"):
+ out = self._readsnapshot(self.out.tmpfile)
+ else:
+ out = ""
+ if hasattr(self, "err"):
+ err = self._readsnapshot(self.err.tmpfile)
+ else:
+ err = ""
+ return [out, err]
+
+ def _readsnapshot(self, f):
+ f.seek(0)
+ res = f.read()
+ enc = getattr(f, "encoding", None)
+ if enc:
+ res = py.builtin._totext(res, enc, "replace")
+ f.truncate(0)
+ f.seek(0)
+ return res
+
+
+class StdCapture(Capture):
+ """ This class allows to capture writes to sys.stdout|stderr "in-memory"
+ and will raise errors on tries to read from sys.stdin. It only
+ modifies sys.stdout|stderr|stdin attributes and does not
+ touch underlying File Descriptors (use StdCaptureFD for that).
+ """
+ def __init__(self, out=True, err=True, in_=True, mixed=False, now=True):
+ self._oldout = sys.stdout
+ self._olderr = sys.stderr
+ self._oldin = sys.stdin
+ if out and not hasattr(out, 'file'):
+ out = TextIO()
+ self.out = out
+ if err:
+ if mixed:
+ err = out
+ elif not hasattr(err, 'write'):
+ err = TextIO()
+ self.err = err
+ self.in_ = in_
+ if now:
+ self.startall()
+
+ def startall(self):
+ if self.out:
+ sys.stdout = self.out
+ if self.err:
+ sys.stderr = self.err
+ if self.in_:
+ sys.stdin = self.in_ = DontReadFromInput()
+
+ def done(self, save=True):
+ """ return (outfile, errfile) and stop capturing. """
+ outfile = errfile = None
+ if self.out and not self.out.closed:
+ sys.stdout = self._oldout
+ outfile = self.out
+ outfile.seek(0)
+ if self.err and not self.err.closed:
+ sys.stderr = self._olderr
+ errfile = self.err
+ errfile.seek(0)
+ if self.in_:
+ sys.stdin = self._oldin
+ return outfile, errfile
+
+ def resume(self):
+ """ resume capturing with original temp files. """
+ self.startall()
+
+ def readouterr(self):
+ """ return snapshot value of stdout/stderr capturings. """
+ out = err = ""
+ if self.out:
+ out = self.out.getvalue()
+ self.out.truncate(0)
+ self.out.seek(0)
+ if self.err:
+ err = self.err.getvalue()
+ self.err.truncate(0)
+ self.err.seek(0)
+ return out, err
+
+class DontReadFromInput:
+ """Temporary stub class. Ideally when stdin is accessed, the
+ capturing should be turned off, with possibly all data captured
+ so far sent to the screen. This should be configurable, though,
+ because in automated test runs it is better to crash than
+ hang indefinitely.
+ """
+ def read(self, *args):
+ raise IOError("reading from stdin while output is captured")
+ readline = read
+ readlines = read
+ __iter__ = read
+
+ def fileno(self):
+ raise ValueError("redirected Stdin is pseudofile, has no fileno()")
+ def isatty(self):
+ return False
+ def close(self):
+ pass
+
+try:
+ devnullpath = os.devnull
+except AttributeError:
+ if os.name == 'nt':
+ devnullpath = 'NUL'
+ else:
+ devnullpath = '/dev/null'
diff --git a/lib/spack/external/py/_io/saferepr.py b/lib/spack/external/py/_io/saferepr.py
new file mode 100644
index 0000000000..8518290efd
--- /dev/null
+++ b/lib/spack/external/py/_io/saferepr.py
@@ -0,0 +1,71 @@
+import py
+import sys
+
+builtin_repr = repr
+
+reprlib = py.builtin._tryimport('repr', 'reprlib')
+
+class SafeRepr(reprlib.Repr):
+ """ subclass of repr.Repr that limits the resulting size of repr()
+ and includes information on exceptions raised during the call.
+ """
+ def repr(self, x):
+ return self._callhelper(reprlib.Repr.repr, self, x)
+
+ def repr_unicode(self, x, level):
+ # Strictly speaking wrong on narrow builds
+ def repr(u):
+ if "'" not in u:
+ return py.builtin._totext("'%s'") % u
+ elif '"' not in u:
+ return py.builtin._totext('"%s"') % u
+ else:
+ return py.builtin._totext("'%s'") % u.replace("'", r"\'")
+ s = repr(x[:self.maxstring])
+ if len(s) > self.maxstring:
+ i = max(0, (self.maxstring-3)//2)
+ j = max(0, self.maxstring-3-i)
+ s = repr(x[:i] + x[len(x)-j:])
+ s = s[:i] + '...' + s[len(s)-j:]
+ return s
+
+ def repr_instance(self, x, level):
+ return self._callhelper(builtin_repr, x)
+
+ def _callhelper(self, call, x, *args):
+ try:
+ # Try the vanilla repr and make sure that the result is a string
+ s = call(x, *args)
+ except py.builtin._sysex:
+ raise
+ except:
+ cls, e, tb = sys.exc_info()
+ exc_name = getattr(cls, '__name__', 'unknown')
+ try:
+ exc_info = str(e)
+ except py.builtin._sysex:
+ raise
+ except:
+ exc_info = 'unknown'
+ return '<[%s("%s") raised in repr()] %s object at 0x%x>' % (
+ exc_name, exc_info, x.__class__.__name__, id(x))
+ else:
+ if len(s) > self.maxsize:
+ i = max(0, (self.maxsize-3)//2)
+ j = max(0, self.maxsize-3-i)
+ s = s[:i] + '...' + s[len(s)-j:]
+ return s
+
+def saferepr(obj, maxsize=240):
+ """ return a size-limited safe repr-string for the given object.
+ Failing __repr__ functions of user instances will be represented
+ with a short exception info and 'saferepr' generally takes
+ care to never raise exceptions itself. This function is a wrapper
+ around the Repr/reprlib functionality of the standard 2.6 lib.
+ """
+ # review exception handling
+ srepr = SafeRepr()
+ srepr.maxstring = maxsize
+ srepr.maxsize = maxsize
+ srepr.maxother = 160
+ return srepr.repr(obj)
diff --git a/lib/spack/external/py/_io/terminalwriter.py b/lib/spack/external/py/_io/terminalwriter.py
new file mode 100644
index 0000000000..390e8ca7b9
--- /dev/null
+++ b/lib/spack/external/py/_io/terminalwriter.py
@@ -0,0 +1,357 @@
+"""
+
+Helper functions for writing to terminals and files.
+
+"""
+
+
+import sys, os
+import py
+py3k = sys.version_info[0] >= 3
+from py.builtin import text, bytes
+
+win32_and_ctypes = False
+colorama = None
+if sys.platform == "win32":
+ try:
+ import colorama
+ except ImportError:
+ try:
+ import ctypes
+ win32_and_ctypes = True
+ except ImportError:
+ pass
+
+
+def _getdimensions():
+ import termios,fcntl,struct
+ call = fcntl.ioctl(1,termios.TIOCGWINSZ,"\000"*8)
+ height,width = struct.unpack( "hhhh", call ) [:2]
+ return height, width
+
+
+def get_terminal_width():
+ height = width = 0
+ try:
+ height, width = _getdimensions()
+ except py.builtin._sysex:
+ raise
+ except:
+ # pass to fallback below
+ pass
+
+ if width == 0:
+ # FALLBACK:
+ # * some exception happened
+ # * or this is emacs terminal which reports (0,0)
+ width = int(os.environ.get('COLUMNS', 80))
+
+ # XXX the windows getdimensions may be bogus, let's sanify a bit
+ if width < 40:
+ width = 80
+ return width
+
+terminal_width = get_terminal_width()
+
+# XXX unify with _escaped func below
+def ansi_print(text, esc, file=None, newline=True, flush=False):
+ if file is None:
+ file = sys.stderr
+ text = text.rstrip()
+ if esc and not isinstance(esc, tuple):
+ esc = (esc,)
+ if esc and sys.platform != "win32" and file.isatty():
+ text = (''.join(['\x1b[%sm' % cod for cod in esc]) +
+ text +
+ '\x1b[0m') # ANSI color code "reset"
+ if newline:
+ text += '\n'
+
+ if esc and win32_and_ctypes and file.isatty():
+ if 1 in esc:
+ bold = True
+ esc = tuple([x for x in esc if x != 1])
+ else:
+ bold = False
+ esctable = {() : FOREGROUND_WHITE, # normal
+ (31,): FOREGROUND_RED, # red
+ (32,): FOREGROUND_GREEN, # green
+ (33,): FOREGROUND_GREEN|FOREGROUND_RED, # yellow
+ (34,): FOREGROUND_BLUE, # blue
+ (35,): FOREGROUND_BLUE|FOREGROUND_RED, # purple
+ (36,): FOREGROUND_BLUE|FOREGROUND_GREEN, # cyan
+ (37,): FOREGROUND_WHITE, # white
+ (39,): FOREGROUND_WHITE, # reset
+ }
+ attr = esctable.get(esc, FOREGROUND_WHITE)
+ if bold:
+ attr |= FOREGROUND_INTENSITY
+ STD_OUTPUT_HANDLE = -11
+ STD_ERROR_HANDLE = -12
+ if file is sys.stderr:
+ handle = GetStdHandle(STD_ERROR_HANDLE)
+ else:
+ handle = GetStdHandle(STD_OUTPUT_HANDLE)
+ oldcolors = GetConsoleInfo(handle).wAttributes
+ attr |= (oldcolors & 0x0f0)
+ SetConsoleTextAttribute(handle, attr)
+ while len(text) > 32768:
+ file.write(text[:32768])
+ text = text[32768:]
+ if text:
+ file.write(text)
+ SetConsoleTextAttribute(handle, oldcolors)
+ else:
+ file.write(text)
+
+ if flush:
+ file.flush()
+
+def should_do_markup(file):
+ if os.environ.get('PY_COLORS') == '1':
+ return True
+ if os.environ.get('PY_COLORS') == '0':
+ return False
+ return hasattr(file, 'isatty') and file.isatty() \
+ and os.environ.get('TERM') != 'dumb' \
+ and not (sys.platform.startswith('java') and os._name == 'nt')
+
+class TerminalWriter(object):
+ _esctable = dict(black=30, red=31, green=32, yellow=33,
+ blue=34, purple=35, cyan=36, white=37,
+ Black=40, Red=41, Green=42, Yellow=43,
+ Blue=44, Purple=45, Cyan=46, White=47,
+ bold=1, light=2, blink=5, invert=7)
+
+ # XXX deprecate stringio argument
+ def __init__(self, file=None, stringio=False, encoding=None):
+ if file is None:
+ if stringio:
+ self.stringio = file = py.io.TextIO()
+ else:
+ file = py.std.sys.stdout
+ elif py.builtin.callable(file) and not (
+ hasattr(file, "write") and hasattr(file, "flush")):
+ file = WriteFile(file, encoding=encoding)
+ if hasattr(file, "isatty") and file.isatty() and colorama:
+ file = colorama.AnsiToWin32(file).stream
+ self.encoding = encoding or getattr(file, 'encoding', "utf-8")
+ self._file = file
+ self.hasmarkup = should_do_markup(file)
+ self._lastlen = 0
+
+ @property
+ def fullwidth(self):
+ if hasattr(self, '_terminal_width'):
+ return self._terminal_width
+ return get_terminal_width()
+
+ @fullwidth.setter
+ def fullwidth(self, value):
+ self._terminal_width = value
+
+ def _escaped(self, text, esc):
+ if esc and self.hasmarkup:
+ text = (''.join(['\x1b[%sm' % cod for cod in esc]) +
+ text +'\x1b[0m')
+ return text
+
+ def markup(self, text, **kw):
+ esc = []
+ for name in kw:
+ if name not in self._esctable:
+ raise ValueError("unknown markup: %r" %(name,))
+ if kw[name]:
+ esc.append(self._esctable[name])
+ return self._escaped(text, tuple(esc))
+
+ def sep(self, sepchar, title=None, fullwidth=None, **kw):
+ if fullwidth is None:
+ fullwidth = self.fullwidth
+ # the goal is to have the line be as long as possible
+ # under the condition that len(line) <= fullwidth
+ if sys.platform == "win32":
+ # if we print in the last column on windows we are on a
+ # new line but there is no way to verify/neutralize this
+ # (we may not know the exact line width)
+ # so let's be defensive to avoid empty lines in the output
+ fullwidth -= 1
+ if title is not None:
+ # we want 2 + 2*len(fill) + len(title) <= fullwidth
+ # i.e. 2 + 2*len(sepchar)*N + len(title) <= fullwidth
+ # 2*len(sepchar)*N <= fullwidth - len(title) - 2
+ # N <= (fullwidth - len(title) - 2) // (2*len(sepchar))
+ N = (fullwidth - len(title) - 2) // (2*len(sepchar))
+ fill = sepchar * N
+ line = "%s %s %s" % (fill, title, fill)
+ else:
+ # we want len(sepchar)*N <= fullwidth
+ # i.e. N <= fullwidth // len(sepchar)
+ line = sepchar * (fullwidth // len(sepchar))
+ # in some situations there is room for an extra sepchar at the right,
+ # in particular if we consider that with a sepchar like "_ " the
+ # trailing space is not important at the end of the line
+ if len(line) + len(sepchar.rstrip()) <= fullwidth:
+ line += sepchar.rstrip()
+
+ self.line(line, **kw)
+
+ def write(self, msg, **kw):
+ if msg:
+ if not isinstance(msg, (bytes, text)):
+ msg = text(msg)
+ if self.hasmarkup and kw:
+ markupmsg = self.markup(msg, **kw)
+ else:
+ markupmsg = msg
+ write_out(self._file, markupmsg)
+
+ def line(self, s='', **kw):
+ self.write(s, **kw)
+ self._checkfill(s)
+ self.write('\n')
+
+ def reline(self, line, **kw):
+ if not self.hasmarkup:
+ raise ValueError("cannot use rewrite-line without terminal")
+ self.write(line, **kw)
+ self._checkfill(line)
+ self.write('\r')
+ self._lastlen = len(line)
+
+ def _checkfill(self, line):
+ diff2last = self._lastlen - len(line)
+ if diff2last > 0:
+ self.write(" " * diff2last)
+
+class Win32ConsoleWriter(TerminalWriter):
+ def write(self, msg, **kw):
+ if msg:
+ if not isinstance(msg, (bytes, text)):
+ msg = text(msg)
+ oldcolors = None
+ if self.hasmarkup and kw:
+ handle = GetStdHandle(STD_OUTPUT_HANDLE)
+ oldcolors = GetConsoleInfo(handle).wAttributes
+ default_bg = oldcolors & 0x00F0
+ attr = default_bg
+ if kw.pop('bold', False):
+ attr |= FOREGROUND_INTENSITY
+
+ if kw.pop('red', False):
+ attr |= FOREGROUND_RED
+ elif kw.pop('blue', False):
+ attr |= FOREGROUND_BLUE
+ elif kw.pop('green', False):
+ attr |= FOREGROUND_GREEN
+ elif kw.pop('yellow', False):
+ attr |= FOREGROUND_GREEN|FOREGROUND_RED
+ else:
+ attr |= oldcolors & 0x0007
+
+ SetConsoleTextAttribute(handle, attr)
+ write_out(self._file, msg)
+ if oldcolors:
+ SetConsoleTextAttribute(handle, oldcolors)
+
+class WriteFile(object):
+ def __init__(self, writemethod, encoding=None):
+ self.encoding = encoding
+ self._writemethod = writemethod
+
+ def write(self, data):
+ if self.encoding:
+ data = data.encode(self.encoding, "replace")
+ self._writemethod(data)
+
+ def flush(self):
+ return
+
+
+if win32_and_ctypes:
+ TerminalWriter = Win32ConsoleWriter
+ import ctypes
+ from ctypes import wintypes
+
+ # ctypes access to the Windows console
+ STD_OUTPUT_HANDLE = -11
+ STD_ERROR_HANDLE = -12
+ FOREGROUND_BLACK = 0x0000 # black text
+ FOREGROUND_BLUE = 0x0001 # text color contains blue.
+ FOREGROUND_GREEN = 0x0002 # text color contains green.
+ FOREGROUND_RED = 0x0004 # text color contains red.
+ FOREGROUND_WHITE = 0x0007
+ FOREGROUND_INTENSITY = 0x0008 # text color is intensified.
+ BACKGROUND_BLACK = 0x0000 # background color black
+ BACKGROUND_BLUE = 0x0010 # background color contains blue.
+ BACKGROUND_GREEN = 0x0020 # background color contains green.
+ BACKGROUND_RED = 0x0040 # background color contains red.
+ BACKGROUND_WHITE = 0x0070
+ BACKGROUND_INTENSITY = 0x0080 # background color is intensified.
+
+ SHORT = ctypes.c_short
+ class COORD(ctypes.Structure):
+ _fields_ = [('X', SHORT),
+ ('Y', SHORT)]
+ class SMALL_RECT(ctypes.Structure):
+ _fields_ = [('Left', SHORT),
+ ('Top', SHORT),
+ ('Right', SHORT),
+ ('Bottom', SHORT)]
+ class CONSOLE_SCREEN_BUFFER_INFO(ctypes.Structure):
+ _fields_ = [('dwSize', COORD),
+ ('dwCursorPosition', COORD),
+ ('wAttributes', wintypes.WORD),
+ ('srWindow', SMALL_RECT),
+ ('dwMaximumWindowSize', COORD)]
+
+ _GetStdHandle = ctypes.windll.kernel32.GetStdHandle
+ _GetStdHandle.argtypes = [wintypes.DWORD]
+ _GetStdHandle.restype = wintypes.HANDLE
+ def GetStdHandle(kind):
+ return _GetStdHandle(kind)
+
+ SetConsoleTextAttribute = ctypes.windll.kernel32.SetConsoleTextAttribute
+ SetConsoleTextAttribute.argtypes = [wintypes.HANDLE, wintypes.WORD]
+ SetConsoleTextAttribute.restype = wintypes.BOOL
+
+ _GetConsoleScreenBufferInfo = \
+ ctypes.windll.kernel32.GetConsoleScreenBufferInfo
+ _GetConsoleScreenBufferInfo.argtypes = [wintypes.HANDLE,
+ ctypes.POINTER(CONSOLE_SCREEN_BUFFER_INFO)]
+ _GetConsoleScreenBufferInfo.restype = wintypes.BOOL
+ def GetConsoleInfo(handle):
+ info = CONSOLE_SCREEN_BUFFER_INFO()
+ _GetConsoleScreenBufferInfo(handle, ctypes.byref(info))
+ return info
+
+ def _getdimensions():
+ handle = GetStdHandle(STD_OUTPUT_HANDLE)
+ info = GetConsoleInfo(handle)
+ # Substract one from the width, otherwise the cursor wraps
+ # and the ending \n causes an empty line to display.
+ return info.dwSize.Y, info.dwSize.X - 1
+
+def write_out(fil, msg):
+ # XXX sometimes "msg" is of type bytes, sometimes text which
+ # complicates the situation. Should we try to enforce unicode?
+ try:
+ # on py27 and above writing out to sys.stdout with an encoding
+ # should usually work for unicode messages (if the encoding is
+ # capable of it)
+ fil.write(msg)
+ except UnicodeEncodeError:
+ # on py26 it might not work because stdout expects bytes
+ if fil.encoding:
+ try:
+ fil.write(msg.encode(fil.encoding))
+ except UnicodeEncodeError:
+ # it might still fail if the encoding is not capable
+ pass
+ else:
+ fil.flush()
+ return
+ # fallback: escape all unicode characters
+ msg = msg.encode("unicode-escape").decode("ascii")
+ fil.write(msg)
+ fil.flush()
diff --git a/lib/spack/external/py/_log/__init__.py b/lib/spack/external/py/_log/__init__.py
new file mode 100644
index 0000000000..fad62e960d
--- /dev/null
+++ b/lib/spack/external/py/_log/__init__.py
@@ -0,0 +1,2 @@
+""" logging API ('producers' and 'consumers' connected via keywords) """
+
diff --git a/lib/spack/external/py/_log/log.py b/lib/spack/external/py/_log/log.py
new file mode 100644
index 0000000000..ce47e8c754
--- /dev/null
+++ b/lib/spack/external/py/_log/log.py
@@ -0,0 +1,186 @@
+"""
+basic logging functionality based on a producer/consumer scheme.
+
+XXX implement this API: (maybe put it into slogger.py?)
+
+ log = Logger(
+ info=py.log.STDOUT,
+ debug=py.log.STDOUT,
+ command=None)
+ log.info("hello", "world")
+ log.command("hello", "world")
+
+ log = Logger(info=Logger(something=...),
+ debug=py.log.STDOUT,
+ command=None)
+"""
+import py, sys
+
+class Message(object):
+ def __init__(self, keywords, args):
+ self.keywords = keywords
+ self.args = args
+
+ def content(self):
+ return " ".join(map(str, self.args))
+
+ def prefix(self):
+ return "[%s] " % (":".join(self.keywords))
+
+ def __str__(self):
+ return self.prefix() + self.content()
+
+
+class Producer(object):
+ """ (deprecated) Log producer API which sends messages to be logged
+ to a 'consumer' object, which then prints them to stdout,
+ stderr, files, etc. Used extensively by PyPy-1.1.
+ """
+
+ Message = Message # to allow later customization
+ keywords2consumer = {}
+
+ def __init__(self, keywords, keywordmapper=None, **kw):
+ if hasattr(keywords, 'split'):
+ keywords = tuple(keywords.split())
+ self._keywords = keywords
+ if keywordmapper is None:
+ keywordmapper = default_keywordmapper
+ self._keywordmapper = keywordmapper
+
+ def __repr__(self):
+ return "<py.log.Producer %s>" % ":".join(self._keywords)
+
+ def __getattr__(self, name):
+ if '_' in name:
+ raise AttributeError(name)
+ producer = self.__class__(self._keywords + (name,))
+ setattr(self, name, producer)
+ return producer
+
+ def __call__(self, *args):
+ """ write a message to the appropriate consumer(s) """
+ func = self._keywordmapper.getconsumer(self._keywords)
+ if func is not None:
+ func(self.Message(self._keywords, args))
+
+class KeywordMapper:
+ def __init__(self):
+ self.keywords2consumer = {}
+
+ def getstate(self):
+ return self.keywords2consumer.copy()
+ def setstate(self, state):
+ self.keywords2consumer.clear()
+ self.keywords2consumer.update(state)
+
+ def getconsumer(self, keywords):
+ """ return a consumer matching the given keywords.
+
+ tries to find the most suitable consumer by walking, starting from
+ the back, the list of keywords, the first consumer matching a
+ keyword is returned (falling back to py.log.default)
+ """
+ for i in range(len(keywords), 0, -1):
+ try:
+ return self.keywords2consumer[keywords[:i]]
+ except KeyError:
+ continue
+ return self.keywords2consumer.get('default', default_consumer)
+
+ def setconsumer(self, keywords, consumer):
+ """ set a consumer for a set of keywords. """
+ # normalize to tuples
+ if isinstance(keywords, str):
+ keywords = tuple(filter(None, keywords.split()))
+ elif hasattr(keywords, '_keywords'):
+ keywords = keywords._keywords
+ elif not isinstance(keywords, tuple):
+ raise TypeError("key %r is not a string or tuple" % (keywords,))
+ if consumer is not None and not py.builtin.callable(consumer):
+ if not hasattr(consumer, 'write'):
+ raise TypeError(
+ "%r should be None, callable or file-like" % (consumer,))
+ consumer = File(consumer)
+ self.keywords2consumer[keywords] = consumer
+
+def default_consumer(msg):
+ """ the default consumer, prints the message to stdout (using 'print') """
+ sys.stderr.write(str(msg)+"\n")
+
+default_keywordmapper = KeywordMapper()
+
+def setconsumer(keywords, consumer):
+ default_keywordmapper.setconsumer(keywords, consumer)
+
+def setstate(state):
+ default_keywordmapper.setstate(state)
+def getstate():
+ return default_keywordmapper.getstate()
+
+#
+# Consumers
+#
+
+class File(object):
+ """ log consumer wrapping a file(-like) object """
+ def __init__(self, f):
+ assert hasattr(f, 'write')
+ #assert isinstance(f, file) or not hasattr(f, 'open')
+ self._file = f
+
+ def __call__(self, msg):
+ """ write a message to the log """
+ self._file.write(str(msg) + "\n")
+ if hasattr(self._file, 'flush'):
+ self._file.flush()
+
+class Path(object):
+ """ log consumer that opens and writes to a Path """
+ def __init__(self, filename, append=False,
+ delayed_create=False, buffering=False):
+ self._append = append
+ self._filename = str(filename)
+ self._buffering = buffering
+ if not delayed_create:
+ self._openfile()
+
+ def _openfile(self):
+ mode = self._append and 'a' or 'w'
+ f = open(self._filename, mode)
+ self._file = f
+
+ def __call__(self, msg):
+ """ write a message to the log """
+ if not hasattr(self, "_file"):
+ self._openfile()
+ self._file.write(str(msg) + "\n")
+ if not self._buffering:
+ self._file.flush()
+
+def STDOUT(msg):
+ """ consumer that writes to sys.stdout """
+ sys.stdout.write(str(msg)+"\n")
+
+def STDERR(msg):
+ """ consumer that writes to sys.stderr """
+ sys.stderr.write(str(msg)+"\n")
+
+class Syslog:
+ """ consumer that writes to the syslog daemon """
+
+ def __init__(self, priority = None):
+ if priority is None:
+ priority = self.LOG_INFO
+ self.priority = priority
+
+ def __call__(self, msg):
+ """ write a message to the log """
+ py.std.syslog.syslog(self.priority, str(msg))
+
+for _prio in "EMERG ALERT CRIT ERR WARNING NOTICE INFO DEBUG".split():
+ _prio = "LOG_" + _prio
+ try:
+ setattr(Syslog, _prio, getattr(py.std.syslog, _prio))
+ except AttributeError:
+ pass
diff --git a/lib/spack/external/py/_log/warning.py b/lib/spack/external/py/_log/warning.py
new file mode 100644
index 0000000000..722e31e910
--- /dev/null
+++ b/lib/spack/external/py/_log/warning.py
@@ -0,0 +1,76 @@
+import py, sys
+
+class DeprecationWarning(DeprecationWarning):
+ def __init__(self, msg, path, lineno):
+ self.msg = msg
+ self.path = path
+ self.lineno = lineno
+ def __repr__(self):
+ return "%s:%d: %s" %(self.path, self.lineno+1, self.msg)
+ def __str__(self):
+ return self.msg
+
+def _apiwarn(startversion, msg, stacklevel=2, function=None):
+ # below is mostly COPIED from python2.4/warnings.py's def warn()
+ # Get context information
+ if isinstance(stacklevel, str):
+ frame = sys._getframe(1)
+ level = 1
+ found = frame.f_code.co_filename.find(stacklevel) != -1
+ while frame:
+ co = frame.f_code
+ if co.co_filename.find(stacklevel) == -1:
+ if found:
+ stacklevel = level
+ break
+ else:
+ found = True
+ level += 1
+ frame = frame.f_back
+ else:
+ stacklevel = 1
+ msg = "%s (since version %s)" %(msg, startversion)
+ warn(msg, stacklevel=stacklevel+1, function=function)
+
+def warn(msg, stacklevel=1, function=None):
+ if function is not None:
+ filename = py.std.inspect.getfile(function)
+ lineno = py.code.getrawcode(function).co_firstlineno
+ else:
+ try:
+ caller = sys._getframe(stacklevel)
+ except ValueError:
+ globals = sys.__dict__
+ lineno = 1
+ else:
+ globals = caller.f_globals
+ lineno = caller.f_lineno
+ if '__name__' in globals:
+ module = globals['__name__']
+ else:
+ module = "<string>"
+ filename = globals.get('__file__')
+ if filename:
+ fnl = filename.lower()
+ if fnl.endswith(".pyc") or fnl.endswith(".pyo"):
+ filename = filename[:-1]
+ elif fnl.endswith("$py.class"):
+ filename = filename.replace('$py.class', '.py')
+ else:
+ if module == "__main__":
+ try:
+ filename = sys.argv[0]
+ except AttributeError:
+ # embedded interpreters don't have sys.argv, see bug #839151
+ filename = '__main__'
+ if not filename:
+ filename = module
+ path = py.path.local(filename)
+ warning = DeprecationWarning(msg, path, lineno)
+ py.std.warnings.warn_explicit(warning, category=Warning,
+ filename=str(warning.path),
+ lineno=warning.lineno,
+ registry=py.std.warnings.__dict__.setdefault(
+ "__warningsregistry__", {})
+ )
+
diff --git a/lib/spack/external/py/_path/__init__.py b/lib/spack/external/py/_path/__init__.py
new file mode 100644
index 0000000000..51f3246f80
--- /dev/null
+++ b/lib/spack/external/py/_path/__init__.py
@@ -0,0 +1 @@
+""" unified file system api """
diff --git a/lib/spack/external/py/_path/cacheutil.py b/lib/spack/external/py/_path/cacheutil.py
new file mode 100644
index 0000000000..9922504750
--- /dev/null
+++ b/lib/spack/external/py/_path/cacheutil.py
@@ -0,0 +1,114 @@
+"""
+This module contains multithread-safe cache implementations.
+
+All Caches have
+
+ getorbuild(key, builder)
+ delentry(key)
+
+methods and allow configuration when instantiating the cache class.
+"""
+from time import time as gettime
+
+class BasicCache(object):
+ def __init__(self, maxentries=128):
+ self.maxentries = maxentries
+ self.prunenum = int(maxentries - maxentries/8)
+ self._dict = {}
+
+ def clear(self):
+ self._dict.clear()
+
+ def _getentry(self, key):
+ return self._dict[key]
+
+ def _putentry(self, key, entry):
+ self._prunelowestweight()
+ self._dict[key] = entry
+
+ def delentry(self, key, raising=False):
+ try:
+ del self._dict[key]
+ except KeyError:
+ if raising:
+ raise
+
+ def getorbuild(self, key, builder):
+ try:
+ entry = self._getentry(key)
+ except KeyError:
+ entry = self._build(key, builder)
+ self._putentry(key, entry)
+ return entry.value
+
+ def _prunelowestweight(self):
+ """ prune out entries with lowest weight. """
+ numentries = len(self._dict)
+ if numentries >= self.maxentries:
+ # evict according to entry's weight
+ items = [(entry.weight, key)
+ for key, entry in self._dict.items()]
+ items.sort()
+ index = numentries - self.prunenum
+ if index > 0:
+ for weight, key in items[:index]:
+ # in MT situations the element might be gone
+ self.delentry(key, raising=False)
+
+class BuildcostAccessCache(BasicCache):
+ """ A BuildTime/Access-counting cache implementation.
+ the weight of a value is computed as the product of
+
+ num-accesses-of-a-value * time-to-build-the-value
+
+ The values with the least such weights are evicted
+ if the cache maxentries threshold is superceded.
+ For implementation flexibility more than one object
+ might be evicted at a time.
+ """
+ # time function to use for measuring build-times
+
+ def _build(self, key, builder):
+ start = gettime()
+ val = builder()
+ end = gettime()
+ return WeightedCountingEntry(val, end-start)
+
+
+class WeightedCountingEntry(object):
+ def __init__(self, value, oneweight):
+ self._value = value
+ self.weight = self._oneweight = oneweight
+
+ def value(self):
+ self.weight += self._oneweight
+ return self._value
+ value = property(value)
+
+class AgingCache(BasicCache):
+ """ This cache prunes out cache entries that are too old.
+ """
+ def __init__(self, maxentries=128, maxseconds=10.0):
+ super(AgingCache, self).__init__(maxentries)
+ self.maxseconds = maxseconds
+
+ def _getentry(self, key):
+ entry = self._dict[key]
+ if entry.isexpired():
+ self.delentry(key)
+ raise KeyError(key)
+ return entry
+
+ def _build(self, key, builder):
+ val = builder()
+ entry = AgingEntry(val, gettime() + self.maxseconds)
+ return entry
+
+class AgingEntry(object):
+ def __init__(self, value, expirationtime):
+ self.value = value
+ self.weight = expirationtime
+
+ def isexpired(self):
+ t = gettime()
+ return t >= self.weight
diff --git a/lib/spack/external/py/_path/common.py b/lib/spack/external/py/_path/common.py
new file mode 100644
index 0000000000..bf42ed5092
--- /dev/null
+++ b/lib/spack/external/py/_path/common.py
@@ -0,0 +1,439 @@
+"""
+"""
+import os, sys, posixpath
+import py
+
+# Moved from local.py.
+iswin32 = sys.platform == "win32" or (getattr(os, '_name', False) == 'nt')
+
+try:
+ from os import fspath
+except ImportError:
+ def fspath(path):
+ """
+ Return the string representation of the path.
+ If str or bytes is passed in, it is returned unchanged.
+ This code comes from PEP 519, modified to support earlier versions of
+ python.
+
+ This is required for python < 3.6.
+ """
+ if isinstance(path, (py.builtin.text, py.builtin.bytes)):
+ return path
+
+ # Work from the object's type to match method resolution of other magic
+ # methods.
+ path_type = type(path)
+ try:
+ return path_type.__fspath__(path)
+ except AttributeError:
+ if hasattr(path_type, '__fspath__'):
+ raise
+ try:
+ import pathlib
+ except ImportError:
+ pass
+ else:
+ if isinstance(path, pathlib.PurePath):
+ return py.builtin.text(path)
+
+ raise TypeError("expected str, bytes or os.PathLike object, not "
+ + path_type.__name__)
+
+class Checkers:
+ _depend_on_existence = 'exists', 'link', 'dir', 'file'
+
+ def __init__(self, path):
+ self.path = path
+
+ def dir(self):
+ raise NotImplementedError
+
+ def file(self):
+ raise NotImplementedError
+
+ def dotfile(self):
+ return self.path.basename.startswith('.')
+
+ def ext(self, arg):
+ if not arg.startswith('.'):
+ arg = '.' + arg
+ return self.path.ext == arg
+
+ def exists(self):
+ raise NotImplementedError
+
+ def basename(self, arg):
+ return self.path.basename == arg
+
+ def basestarts(self, arg):
+ return self.path.basename.startswith(arg)
+
+ def relto(self, arg):
+ return self.path.relto(arg)
+
+ def fnmatch(self, arg):
+ return self.path.fnmatch(arg)
+
+ def endswith(self, arg):
+ return str(self.path).endswith(arg)
+
+ def _evaluate(self, kw):
+ for name, value in kw.items():
+ invert = False
+ meth = None
+ try:
+ meth = getattr(self, name)
+ except AttributeError:
+ if name[:3] == 'not':
+ invert = True
+ try:
+ meth = getattr(self, name[3:])
+ except AttributeError:
+ pass
+ if meth is None:
+ raise TypeError(
+ "no %r checker available for %r" % (name, self.path))
+ try:
+ if py.code.getrawcode(meth).co_argcount > 1:
+ if (not meth(value)) ^ invert:
+ return False
+ else:
+ if bool(value) ^ bool(meth()) ^ invert:
+ return False
+ except (py.error.ENOENT, py.error.ENOTDIR, py.error.EBUSY):
+ # EBUSY feels not entirely correct,
+ # but its kind of necessary since ENOMEDIUM
+ # is not accessible in python
+ for name in self._depend_on_existence:
+ if name in kw:
+ if kw.get(name):
+ return False
+ name = 'not' + name
+ if name in kw:
+ if not kw.get(name):
+ return False
+ return True
+
+class NeverRaised(Exception):
+ pass
+
+class PathBase(object):
+ """ shared implementation for filesystem path objects."""
+ Checkers = Checkers
+
+ def __div__(self, other):
+ return self.join(fspath(other))
+ __truediv__ = __div__ # py3k
+
+ def basename(self):
+ """ basename part of path. """
+ return self._getbyspec('basename')[0]
+ basename = property(basename, None, None, basename.__doc__)
+
+ def dirname(self):
+ """ dirname part of path. """
+ return self._getbyspec('dirname')[0]
+ dirname = property(dirname, None, None, dirname.__doc__)
+
+ def purebasename(self):
+ """ pure base name of the path."""
+ return self._getbyspec('purebasename')[0]
+ purebasename = property(purebasename, None, None, purebasename.__doc__)
+
+ def ext(self):
+ """ extension of the path (including the '.')."""
+ return self._getbyspec('ext')[0]
+ ext = property(ext, None, None, ext.__doc__)
+
+ def dirpath(self, *args, **kwargs):
+ """ return the directory path joined with any given path arguments. """
+ return self.new(basename='').join(*args, **kwargs)
+
+ def read_binary(self):
+ """ read and return a bytestring from reading the path. """
+ with self.open('rb') as f:
+ return f.read()
+
+ def read_text(self, encoding):
+ """ read and return a Unicode string from reading the path. """
+ with self.open("r", encoding=encoding) as f:
+ return f.read()
+
+
+ def read(self, mode='r'):
+ """ read and return a bytestring from reading the path. """
+ with self.open(mode) as f:
+ return f.read()
+
+ def readlines(self, cr=1):
+ """ read and return a list of lines from the path. if cr is False, the
+newline will be removed from the end of each line. """
+ if not cr:
+ content = self.read('rU')
+ return content.split('\n')
+ else:
+ f = self.open('rU')
+ try:
+ return f.readlines()
+ finally:
+ f.close()
+
+ def load(self):
+ """ (deprecated) return object unpickled from self.read() """
+ f = self.open('rb')
+ try:
+ return py.error.checked_call(py.std.pickle.load, f)
+ finally:
+ f.close()
+
+ def move(self, target):
+ """ move this path to target. """
+ if target.relto(self):
+ raise py.error.EINVAL(target,
+ "cannot move path into a subdirectory of itself")
+ try:
+ self.rename(target)
+ except py.error.EXDEV: # invalid cross-device link
+ self.copy(target)
+ self.remove()
+
+ def __repr__(self):
+ """ return a string representation of this path. """
+ return repr(str(self))
+
+ def check(self, **kw):
+ """ check a path for existence and properties.
+
+ Without arguments, return True if the path exists, otherwise False.
+
+ valid checkers::
+
+ file=1 # is a file
+ file=0 # is not a file (may not even exist)
+ dir=1 # is a dir
+ link=1 # is a link
+ exists=1 # exists
+
+ You can specify multiple checker definitions, for example::
+
+ path.check(file=1, link=1) # a link pointing to a file
+ """
+ if not kw:
+ kw = {'exists' : 1}
+ return self.Checkers(self)._evaluate(kw)
+
+ def fnmatch(self, pattern):
+ """return true if the basename/fullname matches the glob-'pattern'.
+
+ valid pattern characters::
+
+ * matches everything
+ ? matches any single character
+ [seq] matches any character in seq
+ [!seq] matches any char not in seq
+
+ If the pattern contains a path-separator then the full path
+ is used for pattern matching and a '*' is prepended to the
+ pattern.
+
+ if the pattern doesn't contain a path-separator the pattern
+ is only matched against the basename.
+ """
+ return FNMatcher(pattern)(self)
+
+ def relto(self, relpath):
+ """ return a string which is the relative part of the path
+ to the given 'relpath'.
+ """
+ if not isinstance(relpath, (str, PathBase)):
+ raise TypeError("%r: not a string or path object" %(relpath,))
+ strrelpath = str(relpath)
+ if strrelpath and strrelpath[-1] != self.sep:
+ strrelpath += self.sep
+ #assert strrelpath[-1] == self.sep
+ #assert strrelpath[-2] != self.sep
+ strself = self.strpath
+ if sys.platform == "win32" or getattr(os, '_name', None) == 'nt':
+ if os.path.normcase(strself).startswith(
+ os.path.normcase(strrelpath)):
+ return strself[len(strrelpath):]
+ elif strself.startswith(strrelpath):
+ return strself[len(strrelpath):]
+ return ""
+
+ def ensure_dir(self, *args):
+ """ ensure the path joined with args is a directory. """
+ return self.ensure(*args, **{"dir": True})
+
+ def bestrelpath(self, dest):
+ """ return a string which is a relative path from self
+ (assumed to be a directory) to dest such that
+ self.join(bestrelpath) == dest and if not such
+ path can be determined return dest.
+ """
+ try:
+ if self == dest:
+ return os.curdir
+ base = self.common(dest)
+ if not base: # can be the case on windows
+ return str(dest)
+ self2base = self.relto(base)
+ reldest = dest.relto(base)
+ if self2base:
+ n = self2base.count(self.sep) + 1
+ else:
+ n = 0
+ l = [os.pardir] * n
+ if reldest:
+ l.append(reldest)
+ target = dest.sep.join(l)
+ return target
+ except AttributeError:
+ return str(dest)
+
+ def exists(self):
+ return self.check()
+
+ def isdir(self):
+ return self.check(dir=1)
+
+ def isfile(self):
+ return self.check(file=1)
+
+ def parts(self, reverse=False):
+ """ return a root-first list of all ancestor directories
+ plus the path itself.
+ """
+ current = self
+ l = [self]
+ while 1:
+ last = current
+ current = current.dirpath()
+ if last == current:
+ break
+ l.append(current)
+ if not reverse:
+ l.reverse()
+ return l
+
+ def common(self, other):
+ """ return the common part shared with the other path
+ or None if there is no common part.
+ """
+ last = None
+ for x, y in zip(self.parts(), other.parts()):
+ if x != y:
+ return last
+ last = x
+ return last
+
+ def __add__(self, other):
+ """ return new path object with 'other' added to the basename"""
+ return self.new(basename=self.basename+str(other))
+
+ def __cmp__(self, other):
+ """ return sort value (-1, 0, +1). """
+ try:
+ return cmp(self.strpath, other.strpath)
+ except AttributeError:
+ return cmp(str(self), str(other)) # self.path, other.path)
+
+ def __lt__(self, other):
+ try:
+ return self.strpath < other.strpath
+ except AttributeError:
+ return str(self) < str(other)
+
+ def visit(self, fil=None, rec=None, ignore=NeverRaised, bf=False, sort=False):
+ """ yields all paths below the current one
+
+ fil is a filter (glob pattern or callable), if not matching the
+ path will not be yielded, defaulting to None (everything is
+ returned)
+
+ rec is a filter (glob pattern or callable) that controls whether
+ a node is descended, defaulting to None
+
+ ignore is an Exception class that is ignoredwhen calling dirlist()
+ on any of the paths (by default, all exceptions are reported)
+
+ bf if True will cause a breadthfirst search instead of the
+ default depthfirst. Default: False
+
+ sort if True will sort entries within each directory level.
+ """
+ for x in Visitor(fil, rec, ignore, bf, sort).gen(self):
+ yield x
+
+ def _sortlist(self, res, sort):
+ if sort:
+ if hasattr(sort, '__call__'):
+ res.sort(sort)
+ else:
+ res.sort()
+
+ def samefile(self, other):
+ """ return True if other refers to the same stat object as self. """
+ return self.strpath == str(other)
+
+ def __fspath__(self):
+ return str(self)
+
+class Visitor:
+ def __init__(self, fil, rec, ignore, bf, sort):
+ if isinstance(fil, py.builtin._basestring):
+ fil = FNMatcher(fil)
+ if isinstance(rec, py.builtin._basestring):
+ self.rec = FNMatcher(rec)
+ elif not hasattr(rec, '__call__') and rec:
+ self.rec = lambda path: True
+ else:
+ self.rec = rec
+ self.fil = fil
+ self.ignore = ignore
+ self.breadthfirst = bf
+ self.optsort = sort and sorted or (lambda x: x)
+
+ def gen(self, path):
+ try:
+ entries = path.listdir()
+ except self.ignore:
+ return
+ rec = self.rec
+ dirs = self.optsort([p for p in entries
+ if p.check(dir=1) and (rec is None or rec(p))])
+ if not self.breadthfirst:
+ for subdir in dirs:
+ for p in self.gen(subdir):
+ yield p
+ for p in self.optsort(entries):
+ if self.fil is None or self.fil(p):
+ yield p
+ if self.breadthfirst:
+ for subdir in dirs:
+ for p in self.gen(subdir):
+ yield p
+
+class FNMatcher:
+ def __init__(self, pattern):
+ self.pattern = pattern
+
+ def __call__(self, path):
+ pattern = self.pattern
+
+ if (pattern.find(path.sep) == -1 and
+ iswin32 and
+ pattern.find(posixpath.sep) != -1):
+ # Running on Windows, the pattern has no Windows path separators,
+ # and the pattern has one or more Posix path separators. Replace
+ # the Posix path separators with the Windows path separator.
+ pattern = pattern.replace(posixpath.sep, path.sep)
+
+ if pattern.find(path.sep) == -1:
+ name = path.basename
+ else:
+ name = str(path) # path.strpath # XXX svn?
+ if not os.path.isabs(pattern):
+ pattern = '*' + path.sep + pattern
+ return py.std.fnmatch.fnmatch(name, pattern)
diff --git a/lib/spack/external/py/_path/local.py b/lib/spack/external/py/_path/local.py
new file mode 100644
index 0000000000..0d4e4c93d1
--- /dev/null
+++ b/lib/spack/external/py/_path/local.py
@@ -0,0 +1,928 @@
+"""
+local path implementation.
+"""
+from __future__ import with_statement
+
+from contextlib import contextmanager
+import sys, os, re, atexit, io
+import py
+from py._path import common
+from py._path.common import iswin32, fspath
+from stat import S_ISLNK, S_ISDIR, S_ISREG
+
+from os.path import abspath, normpath, isabs, exists, isdir, isfile, islink, dirname
+
+if sys.version_info > (3,0):
+ def map_as_list(func, iter):
+ return list(map(func, iter))
+else:
+ map_as_list = map
+
+class Stat(object):
+ def __getattr__(self, name):
+ return getattr(self._osstatresult, "st_" + name)
+
+ def __init__(self, path, osstatresult):
+ self.path = path
+ self._osstatresult = osstatresult
+
+ @property
+ def owner(self):
+ if iswin32:
+ raise NotImplementedError("XXX win32")
+ import pwd
+ entry = py.error.checked_call(pwd.getpwuid, self.uid)
+ return entry[0]
+
+ @property
+ def group(self):
+ """ return group name of file. """
+ if iswin32:
+ raise NotImplementedError("XXX win32")
+ import grp
+ entry = py.error.checked_call(grp.getgrgid, self.gid)
+ return entry[0]
+
+ def isdir(self):
+ return S_ISDIR(self._osstatresult.st_mode)
+
+ def isfile(self):
+ return S_ISREG(self._osstatresult.st_mode)
+
+ def islink(self):
+ st = self.path.lstat()
+ return S_ISLNK(self._osstatresult.st_mode)
+
+class PosixPath(common.PathBase):
+ def chown(self, user, group, rec=0):
+ """ change ownership to the given user and group.
+ user and group may be specified by a number or
+ by a name. if rec is True change ownership
+ recursively.
+ """
+ uid = getuserid(user)
+ gid = getgroupid(group)
+ if rec:
+ for x in self.visit(rec=lambda x: x.check(link=0)):
+ if x.check(link=0):
+ py.error.checked_call(os.chown, str(x), uid, gid)
+ py.error.checked_call(os.chown, str(self), uid, gid)
+
+ def readlink(self):
+ """ return value of a symbolic link. """
+ return py.error.checked_call(os.readlink, self.strpath)
+
+ def mklinkto(self, oldname):
+ """ posix style hard link to another name. """
+ py.error.checked_call(os.link, str(oldname), str(self))
+
+ def mksymlinkto(self, value, absolute=1):
+ """ create a symbolic link with the given value (pointing to another name). """
+ if absolute:
+ py.error.checked_call(os.symlink, str(value), self.strpath)
+ else:
+ base = self.common(value)
+ # with posix local paths '/' is always a common base
+ relsource = self.__class__(value).relto(base)
+ reldest = self.relto(base)
+ n = reldest.count(self.sep)
+ target = self.sep.join(('..', )*n + (relsource, ))
+ py.error.checked_call(os.symlink, target, self.strpath)
+
+def getuserid(user):
+ import pwd
+ if not isinstance(user, int):
+ user = pwd.getpwnam(user)[2]
+ return user
+
+def getgroupid(group):
+ import grp
+ if not isinstance(group, int):
+ group = grp.getgrnam(group)[2]
+ return group
+
+FSBase = not iswin32 and PosixPath or common.PathBase
+
+class LocalPath(FSBase):
+ """ object oriented interface to os.path and other local filesystem
+ related information.
+ """
+ class ImportMismatchError(ImportError):
+ """ raised on pyimport() if there is a mismatch of __file__'s"""
+
+ sep = os.sep
+ class Checkers(common.Checkers):
+ def _stat(self):
+ try:
+ return self._statcache
+ except AttributeError:
+ try:
+ self._statcache = self.path.stat()
+ except py.error.ELOOP:
+ self._statcache = self.path.lstat()
+ return self._statcache
+
+ def dir(self):
+ return S_ISDIR(self._stat().mode)
+
+ def file(self):
+ return S_ISREG(self._stat().mode)
+
+ def exists(self):
+ return self._stat()
+
+ def link(self):
+ st = self.path.lstat()
+ return S_ISLNK(st.mode)
+
+ def __init__(self, path=None, expanduser=False):
+ """ Initialize and return a local Path instance.
+
+ Path can be relative to the current directory.
+ If path is None it defaults to the current working directory.
+ If expanduser is True, tilde-expansion is performed.
+ Note that Path instances always carry an absolute path.
+ Note also that passing in a local path object will simply return
+ the exact same path object. Use new() to get a new copy.
+ """
+ if path is None:
+ self.strpath = py.error.checked_call(os.getcwd)
+ else:
+ try:
+ path = fspath(path)
+ except TypeError:
+ raise ValueError("can only pass None, Path instances "
+ "or non-empty strings to LocalPath")
+ if expanduser:
+ path = os.path.expanduser(path)
+ self.strpath = abspath(path)
+
+ def __hash__(self):
+ return hash(self.strpath)
+
+ def __eq__(self, other):
+ s1 = fspath(self)
+ try:
+ s2 = fspath(other)
+ except TypeError:
+ return False
+ if iswin32:
+ s1 = s1.lower()
+ try:
+ s2 = s2.lower()
+ except AttributeError:
+ return False
+ return s1 == s2
+
+ def __ne__(self, other):
+ return not (self == other)
+
+ def __lt__(self, other):
+ return fspath(self) < fspath(other)
+
+ def __gt__(self, other):
+ return fspath(self) > fspath(other)
+
+ def samefile(self, other):
+ """ return True if 'other' references the same file as 'self'.
+ """
+ other = fspath(other)
+ if not isabs(other):
+ other = abspath(other)
+ if self == other:
+ return True
+ if iswin32:
+ return False # there is no samefile
+ return py.error.checked_call(
+ os.path.samefile, self.strpath, other)
+
+ def remove(self, rec=1, ignore_errors=False):
+ """ remove a file or directory (or a directory tree if rec=1).
+ if ignore_errors is True, errors while removing directories will
+ be ignored.
+ """
+ if self.check(dir=1, link=0):
+ if rec:
+ # force remove of readonly files on windows
+ if iswin32:
+ self.chmod(448, rec=1) # octcal 0700
+ py.error.checked_call(py.std.shutil.rmtree, self.strpath,
+ ignore_errors=ignore_errors)
+ else:
+ py.error.checked_call(os.rmdir, self.strpath)
+ else:
+ if iswin32:
+ self.chmod(448) # octcal 0700
+ py.error.checked_call(os.remove, self.strpath)
+
+ def computehash(self, hashtype="md5", chunksize=524288):
+ """ return hexdigest of hashvalue for this file. """
+ try:
+ try:
+ import hashlib as mod
+ except ImportError:
+ if hashtype == "sha1":
+ hashtype = "sha"
+ mod = __import__(hashtype)
+ hash = getattr(mod, hashtype)()
+ except (AttributeError, ImportError):
+ raise ValueError("Don't know how to compute %r hash" %(hashtype,))
+ f = self.open('rb')
+ try:
+ while 1:
+ buf = f.read(chunksize)
+ if not buf:
+ return hash.hexdigest()
+ hash.update(buf)
+ finally:
+ f.close()
+
+ def new(self, **kw):
+ """ create a modified version of this path.
+ the following keyword arguments modify various path parts::
+
+ a:/some/path/to/a/file.ext
+ xx drive
+ xxxxxxxxxxxxxxxxx dirname
+ xxxxxxxx basename
+ xxxx purebasename
+ xxx ext
+ """
+ obj = object.__new__(self.__class__)
+ if not kw:
+ obj.strpath = self.strpath
+ return obj
+ drive, dirname, basename, purebasename,ext = self._getbyspec(
+ "drive,dirname,basename,purebasename,ext")
+ if 'basename' in kw:
+ if 'purebasename' in kw or 'ext' in kw:
+ raise ValueError("invalid specification %r" % kw)
+ else:
+ pb = kw.setdefault('purebasename', purebasename)
+ try:
+ ext = kw['ext']
+ except KeyError:
+ pass
+ else:
+ if ext and not ext.startswith('.'):
+ ext = '.' + ext
+ kw['basename'] = pb + ext
+
+ if ('dirname' in kw and not kw['dirname']):
+ kw['dirname'] = drive
+ else:
+ kw.setdefault('dirname', dirname)
+ kw.setdefault('sep', self.sep)
+ obj.strpath = normpath(
+ "%(dirname)s%(sep)s%(basename)s" % kw)
+ return obj
+
+ def _getbyspec(self, spec):
+ """ see new for what 'spec' can be. """
+ res = []
+ parts = self.strpath.split(self.sep)
+
+ args = filter(None, spec.split(',') )
+ append = res.append
+ for name in args:
+ if name == 'drive':
+ append(parts[0])
+ elif name == 'dirname':
+ append(self.sep.join(parts[:-1]))
+ else:
+ basename = parts[-1]
+ if name == 'basename':
+ append(basename)
+ else:
+ i = basename.rfind('.')
+ if i == -1:
+ purebasename, ext = basename, ''
+ else:
+ purebasename, ext = basename[:i], basename[i:]
+ if name == 'purebasename':
+ append(purebasename)
+ elif name == 'ext':
+ append(ext)
+ else:
+ raise ValueError("invalid part specification %r" % name)
+ return res
+
+ def dirpath(self, *args, **kwargs):
+ """ return the directory path joined with any given path arguments. """
+ if not kwargs:
+ path = object.__new__(self.__class__)
+ path.strpath = dirname(self.strpath)
+ if args:
+ path = path.join(*args)
+ return path
+ return super(LocalPath, self).dirpath(*args, **kwargs)
+
+ def join(self, *args, **kwargs):
+ """ return a new path by appending all 'args' as path
+ components. if abs=1 is used restart from root if any
+ of the args is an absolute path.
+ """
+ sep = self.sep
+ strargs = [fspath(arg) for arg in args]
+ strpath = self.strpath
+ if kwargs.get('abs'):
+ newargs = []
+ for arg in reversed(strargs):
+ if isabs(arg):
+ strpath = arg
+ strargs = newargs
+ break
+ newargs.insert(0, arg)
+ for arg in strargs:
+ arg = arg.strip(sep)
+ if iswin32:
+ # allow unix style paths even on windows.
+ arg = arg.strip('/')
+ arg = arg.replace('/', sep)
+ strpath = strpath + sep + arg
+ obj = object.__new__(self.__class__)
+ obj.strpath = normpath(strpath)
+ return obj
+
+ def open(self, mode='r', ensure=False, encoding=None):
+ """ return an opened file with the given mode.
+
+ If ensure is True, create parent directories if needed.
+ """
+ if ensure:
+ self.dirpath().ensure(dir=1)
+ if encoding:
+ return py.error.checked_call(io.open, self.strpath, mode, encoding=encoding)
+ return py.error.checked_call(open, self.strpath, mode)
+
+ def _fastjoin(self, name):
+ child = object.__new__(self.__class__)
+ child.strpath = self.strpath + self.sep + name
+ return child
+
+ def islink(self):
+ return islink(self.strpath)
+
+ def check(self, **kw):
+ if not kw:
+ return exists(self.strpath)
+ if len(kw) == 1:
+ if "dir" in kw:
+ return not kw["dir"] ^ isdir(self.strpath)
+ if "file" in kw:
+ return not kw["file"] ^ isfile(self.strpath)
+ return super(LocalPath, self).check(**kw)
+
+ _patternchars = set("*?[" + os.path.sep)
+ def listdir(self, fil=None, sort=None):
+ """ list directory contents, possibly filter by the given fil func
+ and possibly sorted.
+ """
+ if fil is None and sort is None:
+ names = py.error.checked_call(os.listdir, self.strpath)
+ return map_as_list(self._fastjoin, names)
+ if isinstance(fil, py.builtin._basestring):
+ if not self._patternchars.intersection(fil):
+ child = self._fastjoin(fil)
+ if exists(child.strpath):
+ return [child]
+ return []
+ fil = common.FNMatcher(fil)
+ names = py.error.checked_call(os.listdir, self.strpath)
+ res = []
+ for name in names:
+ child = self._fastjoin(name)
+ if fil is None or fil(child):
+ res.append(child)
+ self._sortlist(res, sort)
+ return res
+
+ def size(self):
+ """ return size of the underlying file object """
+ return self.stat().size
+
+ def mtime(self):
+ """ return last modification time of the path. """
+ return self.stat().mtime
+
+ def copy(self, target, mode=False, stat=False):
+ """ copy path to target.
+
+ If mode is True, will copy copy permission from path to target.
+ If stat is True, copy permission, last modification
+ time, last access time, and flags from path to target.
+ """
+ if self.check(file=1):
+ if target.check(dir=1):
+ target = target.join(self.basename)
+ assert self!=target
+ copychunked(self, target)
+ if mode:
+ copymode(self.strpath, target.strpath)
+ if stat:
+ copystat(self, target)
+ else:
+ def rec(p):
+ return p.check(link=0)
+ for x in self.visit(rec=rec):
+ relpath = x.relto(self)
+ newx = target.join(relpath)
+ newx.dirpath().ensure(dir=1)
+ if x.check(link=1):
+ newx.mksymlinkto(x.readlink())
+ continue
+ elif x.check(file=1):
+ copychunked(x, newx)
+ elif x.check(dir=1):
+ newx.ensure(dir=1)
+ if mode:
+ copymode(x.strpath, newx.strpath)
+ if stat:
+ copystat(x, newx)
+
+ def rename(self, target):
+ """ rename this path to target. """
+ target = fspath(target)
+ return py.error.checked_call(os.rename, self.strpath, target)
+
+ def dump(self, obj, bin=1):
+ """ pickle object into path location"""
+ f = self.open('wb')
+ try:
+ py.error.checked_call(py.std.pickle.dump, obj, f, bin)
+ finally:
+ f.close()
+
+ def mkdir(self, *args):
+ """ create & return the directory joined with args. """
+ p = self.join(*args)
+ py.error.checked_call(os.mkdir, fspath(p))
+ return p
+
+ def write_binary(self, data, ensure=False):
+ """ write binary data into path. If ensure is True create
+ missing parent directories.
+ """
+ if ensure:
+ self.dirpath().ensure(dir=1)
+ with self.open('wb') as f:
+ f.write(data)
+
+ def write_text(self, data, encoding, ensure=False):
+ """ write text data into path using the specified encoding.
+ If ensure is True create missing parent directories.
+ """
+ if ensure:
+ self.dirpath().ensure(dir=1)
+ with self.open('w', encoding=encoding) as f:
+ f.write(data)
+
+ def write(self, data, mode='w', ensure=False):
+ """ write data into path. If ensure is True create
+ missing parent directories.
+ """
+ if ensure:
+ self.dirpath().ensure(dir=1)
+ if 'b' in mode:
+ if not py.builtin._isbytes(data):
+ raise ValueError("can only process bytes")
+ else:
+ if not py.builtin._istext(data):
+ if not py.builtin._isbytes(data):
+ data = str(data)
+ else:
+ data = py.builtin._totext(data, sys.getdefaultencoding())
+ f = self.open(mode)
+ try:
+ f.write(data)
+ finally:
+ f.close()
+
+ def _ensuredirs(self):
+ parent = self.dirpath()
+ if parent == self:
+ return self
+ if parent.check(dir=0):
+ parent._ensuredirs()
+ if self.check(dir=0):
+ try:
+ self.mkdir()
+ except py.error.EEXIST:
+ # race condition: file/dir created by another thread/process.
+ # complain if it is not a dir
+ if self.check(dir=0):
+ raise
+ return self
+
+ def ensure(self, *args, **kwargs):
+ """ ensure that an args-joined path exists (by default as
+ a file). if you specify a keyword argument 'dir=True'
+ then the path is forced to be a directory path.
+ """
+ p = self.join(*args)
+ if kwargs.get('dir', 0):
+ return p._ensuredirs()
+ else:
+ p.dirpath()._ensuredirs()
+ if not p.check(file=1):
+ p.open('w').close()
+ return p
+
+ def stat(self, raising=True):
+ """ Return an os.stat() tuple. """
+ if raising == True:
+ return Stat(self, py.error.checked_call(os.stat, self.strpath))
+ try:
+ return Stat(self, os.stat(self.strpath))
+ except KeyboardInterrupt:
+ raise
+ except Exception:
+ return None
+
+ def lstat(self):
+ """ Return an os.lstat() tuple. """
+ return Stat(self, py.error.checked_call(os.lstat, self.strpath))
+
+ def setmtime(self, mtime=None):
+ """ set modification time for the given path. if 'mtime' is None
+ (the default) then the file's mtime is set to current time.
+
+ Note that the resolution for 'mtime' is platform dependent.
+ """
+ if mtime is None:
+ return py.error.checked_call(os.utime, self.strpath, mtime)
+ try:
+ return py.error.checked_call(os.utime, self.strpath, (-1, mtime))
+ except py.error.EINVAL:
+ return py.error.checked_call(os.utime, self.strpath, (self.atime(), mtime))
+
+ def chdir(self):
+ """ change directory to self and return old current directory """
+ try:
+ old = self.__class__()
+ except py.error.ENOENT:
+ old = None
+ py.error.checked_call(os.chdir, self.strpath)
+ return old
+
+
+ @contextmanager
+ def as_cwd(self):
+ """ return context manager which changes to current dir during the
+ managed "with" context. On __enter__ it returns the old dir.
+ """
+ old = self.chdir()
+ try:
+ yield old
+ finally:
+ old.chdir()
+
+ def realpath(self):
+ """ return a new path which contains no symbolic links."""
+ return self.__class__(os.path.realpath(self.strpath))
+
+ def atime(self):
+ """ return last access time of the path. """
+ return self.stat().atime
+
+ def __repr__(self):
+ return 'local(%r)' % self.strpath
+
+ def __str__(self):
+ """ return string representation of the Path. """
+ return self.strpath
+
+ def chmod(self, mode, rec=0):
+ """ change permissions to the given mode. If mode is an
+ integer it directly encodes the os-specific modes.
+ if rec is True perform recursively.
+ """
+ if not isinstance(mode, int):
+ raise TypeError("mode %r must be an integer" % (mode,))
+ if rec:
+ for x in self.visit(rec=rec):
+ py.error.checked_call(os.chmod, str(x), mode)
+ py.error.checked_call(os.chmod, self.strpath, mode)
+
+ def pypkgpath(self):
+ """ return the Python package path by looking for the last
+ directory upwards which still contains an __init__.py.
+ Return None if a pkgpath can not be determined.
+ """
+ pkgpath = None
+ for parent in self.parts(reverse=True):
+ if parent.isdir():
+ if not parent.join('__init__.py').exists():
+ break
+ if not isimportable(parent.basename):
+ break
+ pkgpath = parent
+ return pkgpath
+
+ def _ensuresyspath(self, ensuremode, path):
+ if ensuremode:
+ s = str(path)
+ if ensuremode == "append":
+ if s not in sys.path:
+ sys.path.append(s)
+ else:
+ if s != sys.path[0]:
+ sys.path.insert(0, s)
+
+ def pyimport(self, modname=None, ensuresyspath=True):
+ """ return path as an imported python module.
+
+ If modname is None, look for the containing package
+ and construct an according module name.
+ The module will be put/looked up in sys.modules.
+ if ensuresyspath is True then the root dir for importing
+ the file (taking __init__.py files into account) will
+ be prepended to sys.path if it isn't there already.
+ If ensuresyspath=="append" the root dir will be appended
+ if it isn't already contained in sys.path.
+ if ensuresyspath is False no modification of syspath happens.
+ """
+ if not self.check():
+ raise py.error.ENOENT(self)
+
+ pkgpath = None
+ if modname is None:
+ pkgpath = self.pypkgpath()
+ if pkgpath is not None:
+ pkgroot = pkgpath.dirpath()
+ names = self.new(ext="").relto(pkgroot).split(self.sep)
+ if names[-1] == "__init__":
+ names.pop()
+ modname = ".".join(names)
+ else:
+ pkgroot = self.dirpath()
+ modname = self.purebasename
+
+ self._ensuresyspath(ensuresyspath, pkgroot)
+ __import__(modname)
+ mod = sys.modules[modname]
+ if self.basename == "__init__.py":
+ return mod # we don't check anything as we might
+ # we in a namespace package ... too icky to check
+ modfile = mod.__file__
+ if modfile[-4:] in ('.pyc', '.pyo'):
+ modfile = modfile[:-1]
+ elif modfile.endswith('$py.class'):
+ modfile = modfile[:-9] + '.py'
+ if modfile.endswith(os.path.sep + "__init__.py"):
+ if self.basename != "__init__.py":
+ modfile = modfile[:-12]
+ try:
+ issame = self.samefile(modfile)
+ except py.error.ENOENT:
+ issame = False
+ if not issame:
+ raise self.ImportMismatchError(modname, modfile, self)
+ return mod
+ else:
+ try:
+ return sys.modules[modname]
+ except KeyError:
+ # we have a custom modname, do a pseudo-import
+ mod = py.std.types.ModuleType(modname)
+ mod.__file__ = str(self)
+ sys.modules[modname] = mod
+ try:
+ py.builtin.execfile(str(self), mod.__dict__)
+ except:
+ del sys.modules[modname]
+ raise
+ return mod
+
+ def sysexec(self, *argv, **popen_opts):
+ """ return stdout text from executing a system child process,
+ where the 'self' path points to executable.
+ The process is directly invoked and not through a system shell.
+ """
+ from subprocess import Popen, PIPE
+ argv = map_as_list(str, argv)
+ popen_opts['stdout'] = popen_opts['stderr'] = PIPE
+ proc = Popen([str(self)] + argv, **popen_opts)
+ stdout, stderr = proc.communicate()
+ ret = proc.wait()
+ if py.builtin._isbytes(stdout):
+ stdout = py.builtin._totext(stdout, sys.getdefaultencoding())
+ if ret != 0:
+ if py.builtin._isbytes(stderr):
+ stderr = py.builtin._totext(stderr, sys.getdefaultencoding())
+ raise py.process.cmdexec.Error(ret, ret, str(self),
+ stdout, stderr,)
+ return stdout
+
+ def sysfind(cls, name, checker=None, paths=None):
+ """ return a path object found by looking at the systems
+ underlying PATH specification. If the checker is not None
+ it will be invoked to filter matching paths. If a binary
+ cannot be found, None is returned
+ Note: This is probably not working on plain win32 systems
+ but may work on cygwin.
+ """
+ if isabs(name):
+ p = py.path.local(name)
+ if p.check(file=1):
+ return p
+ else:
+ if paths is None:
+ if iswin32:
+ paths = py.std.os.environ['Path'].split(';')
+ if '' not in paths and '.' not in paths:
+ paths.append('.')
+ try:
+ systemroot = os.environ['SYSTEMROOT']
+ except KeyError:
+ pass
+ else:
+ paths = [re.sub('%SystemRoot%', systemroot, path)
+ for path in paths]
+ else:
+ paths = py.std.os.environ['PATH'].split(':')
+ tryadd = []
+ if iswin32:
+ tryadd += os.environ['PATHEXT'].split(os.pathsep)
+ tryadd.append("")
+
+ for x in paths:
+ for addext in tryadd:
+ p = py.path.local(x).join(name, abs=True) + addext
+ try:
+ if p.check(file=1):
+ if checker:
+ if not checker(p):
+ continue
+ return p
+ except py.error.EACCES:
+ pass
+ return None
+ sysfind = classmethod(sysfind)
+
+ def _gethomedir(cls):
+ try:
+ x = os.environ['HOME']
+ except KeyError:
+ try:
+ x = os.environ["HOMEDRIVE"] + os.environ['HOMEPATH']
+ except KeyError:
+ return None
+ return cls(x)
+ _gethomedir = classmethod(_gethomedir)
+
+ #"""
+ #special class constructors for local filesystem paths
+ #"""
+ def get_temproot(cls):
+ """ return the system's temporary directory
+ (where tempfiles are usually created in)
+ """
+ return py.path.local(py.std.tempfile.gettempdir())
+ get_temproot = classmethod(get_temproot)
+
+ def mkdtemp(cls, rootdir=None):
+ """ return a Path object pointing to a fresh new temporary directory
+ (which we created ourself).
+ """
+ import tempfile
+ if rootdir is None:
+ rootdir = cls.get_temproot()
+ return cls(py.error.checked_call(tempfile.mkdtemp, dir=str(rootdir)))
+ mkdtemp = classmethod(mkdtemp)
+
+ def make_numbered_dir(cls, prefix='session-', rootdir=None, keep=3,
+ lock_timeout = 172800): # two days
+ """ return unique directory with a number greater than the current
+ maximum one. The number is assumed to start directly after prefix.
+ if keep is true directories with a number less than (maxnum-keep)
+ will be removed.
+ """
+ if rootdir is None:
+ rootdir = cls.get_temproot()
+
+ def parse_num(path):
+ """ parse the number out of a path (if it matches the prefix) """
+ bn = path.basename
+ if bn.startswith(prefix):
+ try:
+ return int(bn[len(prefix):])
+ except ValueError:
+ pass
+
+ # compute the maximum number currently in use with the
+ # prefix
+ lastmax = None
+ while True:
+ maxnum = -1
+ for path in rootdir.listdir():
+ num = parse_num(path)
+ if num is not None:
+ maxnum = max(maxnum, num)
+
+ # make the new directory
+ try:
+ udir = rootdir.mkdir(prefix + str(maxnum+1))
+ except py.error.EEXIST:
+ # race condition: another thread/process created the dir
+ # in the meantime. Try counting again
+ if lastmax == maxnum:
+ raise
+ lastmax = maxnum
+ continue
+ break
+
+ # put a .lock file in the new directory that will be removed at
+ # process exit
+ if lock_timeout:
+ lockfile = udir.join('.lock')
+ mypid = os.getpid()
+ if hasattr(lockfile, 'mksymlinkto'):
+ lockfile.mksymlinkto(str(mypid))
+ else:
+ lockfile.write(str(mypid))
+ def try_remove_lockfile():
+ # in a fork() situation, only the last process should
+ # remove the .lock, otherwise the other processes run the
+ # risk of seeing their temporary dir disappear. For now
+ # we remove the .lock in the parent only (i.e. we assume
+ # that the children finish before the parent).
+ if os.getpid() != mypid:
+ return
+ try:
+ lockfile.remove()
+ except py.error.Error:
+ pass
+ atexit.register(try_remove_lockfile)
+
+ # prune old directories
+ if keep:
+ for path in rootdir.listdir():
+ num = parse_num(path)
+ if num is not None and num <= (maxnum - keep):
+ lf = path.join('.lock')
+ try:
+ t1 = lf.lstat().mtime
+ t2 = lockfile.lstat().mtime
+ if not lock_timeout or abs(t2-t1) < lock_timeout:
+ continue # skip directories still locked
+ except py.error.Error:
+ pass # assume that it means that there is no 'lf'
+ try:
+ path.remove(rec=1)
+ except KeyboardInterrupt:
+ raise
+ except: # this might be py.error.Error, WindowsError ...
+ pass
+
+ # make link...
+ try:
+ username = os.environ['USER'] #linux, et al
+ except KeyError:
+ try:
+ username = os.environ['USERNAME'] #windows
+ except KeyError:
+ username = 'current'
+
+ src = str(udir)
+ dest = src[:src.rfind('-')] + '-' + username
+ try:
+ os.unlink(dest)
+ except OSError:
+ pass
+ try:
+ os.symlink(src, dest)
+ except (OSError, AttributeError, NotImplementedError):
+ pass
+
+ return udir
+ make_numbered_dir = classmethod(make_numbered_dir)
+
+def copymode(src, dest):
+ """ copy permission from src to dst. """
+ py.std.shutil.copymode(src, dest)
+
+def copystat(src, dest):
+ """ copy permission, last modification time, last access time, and flags from src to dst."""
+ py.std.shutil.copystat(str(src), str(dest))
+
+def copychunked(src, dest):
+ chunksize = 524288 # half a meg of bytes
+ fsrc = src.open('rb')
+ try:
+ fdest = dest.open('wb')
+ try:
+ while 1:
+ buf = fsrc.read(chunksize)
+ if not buf:
+ break
+ fdest.write(buf)
+ finally:
+ fdest.close()
+ finally:
+ fsrc.close()
+
+def isimportable(name):
+ if name and (name[0].isalpha() or name[0] == '_'):
+ name = name.replace("_", '')
+ return not name or name.isalnum()
diff --git a/lib/spack/external/py/_path/svnurl.py b/lib/spack/external/py/_path/svnurl.py
new file mode 100644
index 0000000000..78d71317ac
--- /dev/null
+++ b/lib/spack/external/py/_path/svnurl.py
@@ -0,0 +1,380 @@
+"""
+module defining a subversion path object based on the external
+command 'svn'. This modules aims to work with svn 1.3 and higher
+but might also interact well with earlier versions.
+"""
+
+import os, sys, time, re
+import py
+from py import path, process
+from py._path import common
+from py._path import svnwc as svncommon
+from py._path.cacheutil import BuildcostAccessCache, AgingCache
+
+DEBUG=False
+
+class SvnCommandPath(svncommon.SvnPathBase):
+ """ path implementation that offers access to (possibly remote) subversion
+ repositories. """
+
+ _lsrevcache = BuildcostAccessCache(maxentries=128)
+ _lsnorevcache = AgingCache(maxentries=1000, maxseconds=60.0)
+
+ def __new__(cls, path, rev=None, auth=None):
+ self = object.__new__(cls)
+ if isinstance(path, cls):
+ rev = path.rev
+ auth = path.auth
+ path = path.strpath
+ svncommon.checkbadchars(path)
+ path = path.rstrip('/')
+ self.strpath = path
+ self.rev = rev
+ self.auth = auth
+ return self
+
+ def __repr__(self):
+ if self.rev == -1:
+ return 'svnurl(%r)' % self.strpath
+ else:
+ return 'svnurl(%r, %r)' % (self.strpath, self.rev)
+
+ def _svnwithrev(self, cmd, *args):
+ """ execute an svn command, append our own url and revision """
+ if self.rev is None:
+ return self._svnwrite(cmd, *args)
+ else:
+ args = ['-r', self.rev] + list(args)
+ return self._svnwrite(cmd, *args)
+
+ def _svnwrite(self, cmd, *args):
+ """ execute an svn command, append our own url """
+ l = ['svn %s' % cmd]
+ args = ['"%s"' % self._escape(item) for item in args]
+ l.extend(args)
+ l.append('"%s"' % self._encodedurl())
+ # fixing the locale because we can't otherwise parse
+ string = " ".join(l)
+ if DEBUG:
+ print("execing %s" % string)
+ out = self._svncmdexecauth(string)
+ return out
+
+ def _svncmdexecauth(self, cmd):
+ """ execute an svn command 'as is' """
+ cmd = svncommon.fixlocale() + cmd
+ if self.auth is not None:
+ cmd += ' ' + self.auth.makecmdoptions()
+ return self._cmdexec(cmd)
+
+ def _cmdexec(self, cmd):
+ try:
+ out = process.cmdexec(cmd)
+ except py.process.cmdexec.Error:
+ e = sys.exc_info()[1]
+ if (e.err.find('File Exists') != -1 or
+ e.err.find('File already exists') != -1):
+ raise py.error.EEXIST(self)
+ raise
+ return out
+
+ def _svnpopenauth(self, cmd):
+ """ execute an svn command, return a pipe for reading stdin """
+ cmd = svncommon.fixlocale() + cmd
+ if self.auth is not None:
+ cmd += ' ' + self.auth.makecmdoptions()
+ return self._popen(cmd)
+
+ def _popen(self, cmd):
+ return os.popen(cmd)
+
+ def _encodedurl(self):
+ return self._escape(self.strpath)
+
+ def _norev_delentry(self, path):
+ auth = self.auth and self.auth.makecmdoptions() or None
+ self._lsnorevcache.delentry((str(path), auth))
+
+ def open(self, mode='r'):
+ """ return an opened file with the given mode. """
+ if mode not in ("r", "rU",):
+ raise ValueError("mode %r not supported" % (mode,))
+ assert self.check(file=1) # svn cat returns an empty file otherwise
+ if self.rev is None:
+ return self._svnpopenauth('svn cat "%s"' % (
+ self._escape(self.strpath), ))
+ else:
+ return self._svnpopenauth('svn cat -r %s "%s"' % (
+ self.rev, self._escape(self.strpath)))
+
+ def dirpath(self, *args, **kwargs):
+ """ return the directory path of the current path joined
+ with any given path arguments.
+ """
+ l = self.strpath.split(self.sep)
+ if len(l) < 4:
+ raise py.error.EINVAL(self, "base is not valid")
+ elif len(l) == 4:
+ return self.join(*args, **kwargs)
+ else:
+ return self.new(basename='').join(*args, **kwargs)
+
+ # modifying methods (cache must be invalidated)
+ def mkdir(self, *args, **kwargs):
+ """ create & return the directory joined with args.
+ pass a 'msg' keyword argument to set the commit message.
+ """
+ commit_msg = kwargs.get('msg', "mkdir by py lib invocation")
+ createpath = self.join(*args)
+ createpath._svnwrite('mkdir', '-m', commit_msg)
+ self._norev_delentry(createpath.dirpath())
+ return createpath
+
+ def copy(self, target, msg='copied by py lib invocation'):
+ """ copy path to target with checkin message msg."""
+ if getattr(target, 'rev', None) is not None:
+ raise py.error.EINVAL(target, "revisions are immutable")
+ self._svncmdexecauth('svn copy -m "%s" "%s" "%s"' %(msg,
+ self._escape(self), self._escape(target)))
+ self._norev_delentry(target.dirpath())
+
+ def rename(self, target, msg="renamed by py lib invocation"):
+ """ rename this path to target with checkin message msg. """
+ if getattr(self, 'rev', None) is not None:
+ raise py.error.EINVAL(self, "revisions are immutable")
+ self._svncmdexecauth('svn move -m "%s" --force "%s" "%s"' %(
+ msg, self._escape(self), self._escape(target)))
+ self._norev_delentry(self.dirpath())
+ self._norev_delentry(self)
+
+ def remove(self, rec=1, msg='removed by py lib invocation'):
+ """ remove a file or directory (or a directory tree if rec=1) with
+checkin message msg."""
+ if self.rev is not None:
+ raise py.error.EINVAL(self, "revisions are immutable")
+ self._svncmdexecauth('svn rm -m "%s" "%s"' %(msg, self._escape(self)))
+ self._norev_delentry(self.dirpath())
+
+ def export(self, topath):
+ """ export to a local path
+
+ topath should not exist prior to calling this, returns a
+ py.path.local instance
+ """
+ topath = py.path.local(topath)
+ args = ['"%s"' % (self._escape(self),),
+ '"%s"' % (self._escape(topath),)]
+ if self.rev is not None:
+ args = ['-r', str(self.rev)] + args
+ self._svncmdexecauth('svn export %s' % (' '.join(args),))
+ return topath
+
+ def ensure(self, *args, **kwargs):
+ """ ensure that an args-joined path exists (by default as
+ a file). If you specify a keyword argument 'dir=True'
+ then the path is forced to be a directory path.
+ """
+ if getattr(self, 'rev', None) is not None:
+ raise py.error.EINVAL(self, "revisions are immutable")
+ target = self.join(*args)
+ dir = kwargs.get('dir', 0)
+ for x in target.parts(reverse=True):
+ if x.check():
+ break
+ else:
+ raise py.error.ENOENT(target, "has not any valid base!")
+ if x == target:
+ if not x.check(dir=dir):
+ raise dir and py.error.ENOTDIR(x) or py.error.EISDIR(x)
+ return x
+ tocreate = target.relto(x)
+ basename = tocreate.split(self.sep, 1)[0]
+ tempdir = py.path.local.mkdtemp()
+ try:
+ tempdir.ensure(tocreate, dir=dir)
+ cmd = 'svn import -m "%s" "%s" "%s"' % (
+ "ensure %s" % self._escape(tocreate),
+ self._escape(tempdir.join(basename)),
+ x.join(basename)._encodedurl())
+ self._svncmdexecauth(cmd)
+ self._norev_delentry(x)
+ finally:
+ tempdir.remove()
+ return target
+
+ # end of modifying methods
+ def _propget(self, name):
+ res = self._svnwithrev('propget', name)
+ return res[:-1] # strip trailing newline
+
+ def _proplist(self):
+ res = self._svnwithrev('proplist')
+ lines = res.split('\n')
+ lines = [x.strip() for x in lines[1:]]
+ return svncommon.PropListDict(self, lines)
+
+ def info(self):
+ """ return an Info structure with svn-provided information. """
+ parent = self.dirpath()
+ nameinfo_seq = parent._listdir_nameinfo()
+ bn = self.basename
+ for name, info in nameinfo_seq:
+ if name == bn:
+ return info
+ raise py.error.ENOENT(self)
+
+
+ def _listdir_nameinfo(self):
+ """ return sequence of name-info directory entries of self """
+ def builder():
+ try:
+ res = self._svnwithrev('ls', '-v')
+ except process.cmdexec.Error:
+ e = sys.exc_info()[1]
+ if e.err.find('non-existent in that revision') != -1:
+ raise py.error.ENOENT(self, e.err)
+ elif e.err.find("E200009:") != -1:
+ raise py.error.ENOENT(self, e.err)
+ elif e.err.find('File not found') != -1:
+ raise py.error.ENOENT(self, e.err)
+ elif e.err.find('not part of a repository')!=-1:
+ raise py.error.ENOENT(self, e.err)
+ elif e.err.find('Unable to open')!=-1:
+ raise py.error.ENOENT(self, e.err)
+ elif e.err.lower().find('method not allowed')!=-1:
+ raise py.error.EACCES(self, e.err)
+ raise py.error.Error(e.err)
+ lines = res.split('\n')
+ nameinfo_seq = []
+ for lsline in lines:
+ if lsline:
+ info = InfoSvnCommand(lsline)
+ if info._name != '.': # svn 1.5 produces '.' dirs,
+ nameinfo_seq.append((info._name, info))
+ nameinfo_seq.sort()
+ return nameinfo_seq
+ auth = self.auth and self.auth.makecmdoptions() or None
+ if self.rev is not None:
+ return self._lsrevcache.getorbuild((self.strpath, self.rev, auth),
+ builder)
+ else:
+ return self._lsnorevcache.getorbuild((self.strpath, auth),
+ builder)
+
+ def listdir(self, fil=None, sort=None):
+ """ list directory contents, possibly filter by the given fil func
+ and possibly sorted.
+ """
+ if isinstance(fil, str):
+ fil = common.FNMatcher(fil)
+ nameinfo_seq = self._listdir_nameinfo()
+ if len(nameinfo_seq) == 1:
+ name, info = nameinfo_seq[0]
+ if name == self.basename and info.kind == 'file':
+ #if not self.check(dir=1):
+ raise py.error.ENOTDIR(self)
+ paths = [self.join(name) for (name, info) in nameinfo_seq]
+ if fil:
+ paths = [x for x in paths if fil(x)]
+ self._sortlist(paths, sort)
+ return paths
+
+
+ def log(self, rev_start=None, rev_end=1, verbose=False):
+ """ return a list of LogEntry instances for this path.
+rev_start is the starting revision (defaulting to the first one).
+rev_end is the last revision (defaulting to HEAD).
+if verbose is True, then the LogEntry instances also know which files changed.
+"""
+ assert self.check() #make it simpler for the pipe
+ rev_start = rev_start is None and "HEAD" or rev_start
+ rev_end = rev_end is None and "HEAD" or rev_end
+
+ if rev_start == "HEAD" and rev_end == 1:
+ rev_opt = ""
+ else:
+ rev_opt = "-r %s:%s" % (rev_start, rev_end)
+ verbose_opt = verbose and "-v" or ""
+ xmlpipe = self._svnpopenauth('svn log --xml %s %s "%s"' %
+ (rev_opt, verbose_opt, self.strpath))
+ from xml.dom import minidom
+ tree = minidom.parse(xmlpipe)
+ result = []
+ for logentry in filter(None, tree.firstChild.childNodes):
+ if logentry.nodeType == logentry.ELEMENT_NODE:
+ result.append(svncommon.LogEntry(logentry))
+ return result
+
+#01234567890123456789012345678901234567890123467
+# 2256 hpk 165 Nov 24 17:55 __init__.py
+# XXX spotted by Guido, SVN 1.3.0 has different aligning, breaks the code!!!
+# 1312 johnny 1627 May 05 14:32 test_decorators.py
+#
+class InfoSvnCommand:
+ # the '0?' part in the middle is an indication of whether the resource is
+ # locked, see 'svn help ls'
+ lspattern = re.compile(
+ r'^ *(?P<rev>\d+) +(?P<author>.+?) +(0? *(?P<size>\d+))? '
+ '*(?P<date>\w+ +\d{2} +[\d:]+) +(?P<file>.*)$')
+ def __init__(self, line):
+ # this is a typical line from 'svn ls http://...'
+ #_ 1127 jum 0 Jul 13 15:28 branch/
+ match = self.lspattern.match(line)
+ data = match.groupdict()
+ self._name = data['file']
+ if self._name[-1] == '/':
+ self._name = self._name[:-1]
+ self.kind = 'dir'
+ else:
+ self.kind = 'file'
+ #self.has_props = l.pop(0) == 'P'
+ self.created_rev = int(data['rev'])
+ self.last_author = data['author']
+ self.size = data['size'] and int(data['size']) or 0
+ self.mtime = parse_time_with_missing_year(data['date'])
+ self.time = self.mtime * 1000000
+
+ def __eq__(self, other):
+ return self.__dict__ == other.__dict__
+
+
+#____________________________________________________
+#
+# helper functions
+#____________________________________________________
+def parse_time_with_missing_year(timestr):
+ """ analyze the time part from a single line of "svn ls -v"
+ the svn output doesn't show the year makes the 'timestr'
+ ambigous.
+ """
+ import calendar
+ t_now = time.gmtime()
+
+ tparts = timestr.split()
+ month = time.strptime(tparts.pop(0), '%b')[1]
+ day = time.strptime(tparts.pop(0), '%d')[2]
+ last = tparts.pop(0) # year or hour:minute
+ try:
+ if ":" in last:
+ raise ValueError()
+ year = time.strptime(last, '%Y')[0]
+ hour = minute = 0
+ except ValueError:
+ hour, minute = time.strptime(last, '%H:%M')[3:5]
+ year = t_now[0]
+
+ t_result = (year, month, day, hour, minute, 0,0,0,0)
+ if t_result > t_now:
+ year -= 1
+ t_result = (year, month, day, hour, minute, 0,0,0,0)
+ return calendar.timegm(t_result)
+
+class PathEntry:
+ def __init__(self, ppart):
+ self.strpath = ppart.firstChild.nodeValue.encode('UTF-8')
+ self.action = ppart.getAttribute('action').encode('UTF-8')
+ if self.action == 'A':
+ self.copyfrom_path = ppart.getAttribute('copyfrom-path').encode('UTF-8')
+ if self.copyfrom_path:
+ self.copyfrom_rev = int(ppart.getAttribute('copyfrom-rev'))
+
diff --git a/lib/spack/external/py/_path/svnwc.py b/lib/spack/external/py/_path/svnwc.py
new file mode 100644
index 0000000000..00d3b4bbaf
--- /dev/null
+++ b/lib/spack/external/py/_path/svnwc.py
@@ -0,0 +1,1240 @@
+"""
+svn-Command based Implementation of a Subversion WorkingCopy Path.
+
+ SvnWCCommandPath is the main class.
+
+"""
+
+import os, sys, time, re, calendar
+import py
+import subprocess
+from py._path import common
+
+#-----------------------------------------------------------
+# Caching latest repository revision and repo-paths
+# (getting them is slow with the current implementations)
+#
+# XXX make mt-safe
+#-----------------------------------------------------------
+
+class cache:
+ proplist = {}
+ info = {}
+ entries = {}
+ prop = {}
+
+class RepoEntry:
+ def __init__(self, url, rev, timestamp):
+ self.url = url
+ self.rev = rev
+ self.timestamp = timestamp
+
+ def __str__(self):
+ return "repo: %s;%s %s" %(self.url, self.rev, self.timestamp)
+
+class RepoCache:
+ """ The Repocache manages discovered repository paths
+ and their revisions. If inside a timeout the cache
+ will even return the revision of the root.
+ """
+ timeout = 20 # seconds after which we forget that we know the last revision
+
+ def __init__(self):
+ self.repos = []
+
+ def clear(self):
+ self.repos = []
+
+ def put(self, url, rev, timestamp=None):
+ if rev is None:
+ return
+ if timestamp is None:
+ timestamp = time.time()
+
+ for entry in self.repos:
+ if url == entry.url:
+ entry.timestamp = timestamp
+ entry.rev = rev
+ #print "set repo", entry
+ break
+ else:
+ entry = RepoEntry(url, rev, timestamp)
+ self.repos.append(entry)
+ #print "appended repo", entry
+
+ def get(self, url):
+ now = time.time()
+ for entry in self.repos:
+ if url.startswith(entry.url):
+ if now < entry.timestamp + self.timeout:
+ #print "returning immediate Etrny", entry
+ return entry.url, entry.rev
+ return entry.url, -1
+ return url, -1
+
+repositories = RepoCache()
+
+
+# svn support code
+
+ALLOWED_CHARS = "_ -/\\=$.~+%" #add characters as necessary when tested
+if sys.platform == "win32":
+ ALLOWED_CHARS += ":"
+ALLOWED_CHARS_HOST = ALLOWED_CHARS + '@:'
+
+def _getsvnversion(ver=[]):
+ try:
+ return ver[0]
+ except IndexError:
+ v = py.process.cmdexec("svn -q --version")
+ v.strip()
+ v = '.'.join(v.split('.')[:2])
+ ver.append(v)
+ return v
+
+def _escape_helper(text):
+ text = str(text)
+ if py.std.sys.platform != 'win32':
+ text = str(text).replace('$', '\\$')
+ return text
+
+def _check_for_bad_chars(text, allowed_chars=ALLOWED_CHARS):
+ for c in str(text):
+ if c.isalnum():
+ continue
+ if c in allowed_chars:
+ continue
+ return True
+ return False
+
+def checkbadchars(url):
+ # (hpk) not quite sure about the exact purpose, guido w.?
+ proto, uri = url.split("://", 1)
+ if proto != "file":
+ host, uripath = uri.split('/', 1)
+ # only check for bad chars in the non-protocol parts
+ if (_check_for_bad_chars(host, ALLOWED_CHARS_HOST) \
+ or _check_for_bad_chars(uripath, ALLOWED_CHARS)):
+ raise ValueError("bad char in %r" % (url, ))
+
+
+#_______________________________________________________________
+
+class SvnPathBase(common.PathBase):
+ """ Base implementation for SvnPath implementations. """
+ sep = '/'
+
+ def _geturl(self):
+ return self.strpath
+ url = property(_geturl, None, None, "url of this svn-path.")
+
+ def __str__(self):
+ """ return a string representation (including rev-number) """
+ return self.strpath
+
+ def __hash__(self):
+ return hash(self.strpath)
+
+ def new(self, **kw):
+ """ create a modified version of this path. A 'rev' argument
+ indicates a new revision.
+ the following keyword arguments modify various path parts::
+
+ http://host.com/repo/path/file.ext
+ |-----------------------| dirname
+ |------| basename
+ |--| purebasename
+ |--| ext
+ """
+ obj = object.__new__(self.__class__)
+ obj.rev = kw.get('rev', self.rev)
+ obj.auth = kw.get('auth', self.auth)
+ dirname, basename, purebasename, ext = self._getbyspec(
+ "dirname,basename,purebasename,ext")
+ if 'basename' in kw:
+ if 'purebasename' in kw or 'ext' in kw:
+ raise ValueError("invalid specification %r" % kw)
+ else:
+ pb = kw.setdefault('purebasename', purebasename)
+ ext = kw.setdefault('ext', ext)
+ if ext and not ext.startswith('.'):
+ ext = '.' + ext
+ kw['basename'] = pb + ext
+
+ kw.setdefault('dirname', dirname)
+ kw.setdefault('sep', self.sep)
+ if kw['basename']:
+ obj.strpath = "%(dirname)s%(sep)s%(basename)s" % kw
+ else:
+ obj.strpath = "%(dirname)s" % kw
+ return obj
+
+ def _getbyspec(self, spec):
+ """ get specified parts of the path. 'arg' is a string
+ with comma separated path parts. The parts are returned
+ in exactly the order of the specification.
+
+ you may specify the following parts:
+
+ http://host.com/repo/path/file.ext
+ |-----------------------| dirname
+ |------| basename
+ |--| purebasename
+ |--| ext
+ """
+ res = []
+ parts = self.strpath.split(self.sep)
+ for name in spec.split(','):
+ name = name.strip()
+ if name == 'dirname':
+ res.append(self.sep.join(parts[:-1]))
+ elif name == 'basename':
+ res.append(parts[-1])
+ else:
+ basename = parts[-1]
+ i = basename.rfind('.')
+ if i == -1:
+ purebasename, ext = basename, ''
+ else:
+ purebasename, ext = basename[:i], basename[i:]
+ if name == 'purebasename':
+ res.append(purebasename)
+ elif name == 'ext':
+ res.append(ext)
+ else:
+ raise NameError("Don't know part %r" % name)
+ return res
+
+ def __eq__(self, other):
+ """ return true if path and rev attributes each match """
+ return (str(self) == str(other) and
+ (self.rev == other.rev or self.rev == other.rev))
+
+ def __ne__(self, other):
+ return not self == other
+
+ def join(self, *args):
+ """ return a new Path (with the same revision) which is composed
+ of the self Path followed by 'args' path components.
+ """
+ if not args:
+ return self
+
+ args = tuple([arg.strip(self.sep) for arg in args])
+ parts = (self.strpath, ) + args
+ newpath = self.__class__(self.sep.join(parts), self.rev, self.auth)
+ return newpath
+
+ def propget(self, name):
+ """ return the content of the given property. """
+ value = self._propget(name)
+ return value
+
+ def proplist(self):
+ """ list all property names. """
+ content = self._proplist()
+ return content
+
+ def size(self):
+ """ Return the size of the file content of the Path. """
+ return self.info().size
+
+ def mtime(self):
+ """ Return the last modification time of the file. """
+ return self.info().mtime
+
+ # shared help methods
+
+ def _escape(self, cmd):
+ return _escape_helper(cmd)
+
+
+ #def _childmaxrev(self):
+ # """ return maximum revision number of childs (or self.rev if no childs) """
+ # rev = self.rev
+ # for name, info in self._listdir_nameinfo():
+ # rev = max(rev, info.created_rev)
+ # return rev
+
+ #def _getlatestrevision(self):
+ # """ return latest repo-revision for this path. """
+ # url = self.strpath
+ # path = self.__class__(url, None)
+ #
+ # # we need a long walk to find the root-repo and revision
+ # while 1:
+ # try:
+ # rev = max(rev, path._childmaxrev())
+ # previous = path
+ # path = path.dirpath()
+ # except (IOError, process.cmdexec.Error):
+ # break
+ # if rev is None:
+ # raise IOError, "could not determine newest repo revision for %s" % self
+ # return rev
+
+ class Checkers(common.Checkers):
+ def dir(self):
+ try:
+ return self.path.info().kind == 'dir'
+ except py.error.Error:
+ return self._listdirworks()
+
+ def _listdirworks(self):
+ try:
+ self.path.listdir()
+ except py.error.ENOENT:
+ return False
+ else:
+ return True
+
+ def file(self):
+ try:
+ return self.path.info().kind == 'file'
+ except py.error.ENOENT:
+ return False
+
+ def exists(self):
+ try:
+ return self.path.info()
+ except py.error.ENOENT:
+ return self._listdirworks()
+
+def parse_apr_time(timestr):
+ i = timestr.rfind('.')
+ if i == -1:
+ raise ValueError("could not parse %s" % timestr)
+ timestr = timestr[:i]
+ parsedtime = time.strptime(timestr, "%Y-%m-%dT%H:%M:%S")
+ return time.mktime(parsedtime)
+
+class PropListDict(dict):
+ """ a Dictionary which fetches values (InfoSvnCommand instances) lazily"""
+ def __init__(self, path, keynames):
+ dict.__init__(self, [(x, None) for x in keynames])
+ self.path = path
+
+ def __getitem__(self, key):
+ value = dict.__getitem__(self, key)
+ if value is None:
+ value = self.path.propget(key)
+ dict.__setitem__(self, key, value)
+ return value
+
+def fixlocale():
+ if sys.platform != 'win32':
+ return 'LC_ALL=C '
+ return ''
+
+# some nasty chunk of code to solve path and url conversion and quoting issues
+ILLEGAL_CHARS = '* | \ / : < > ? \t \n \x0b \x0c \r'.split(' ')
+if os.sep in ILLEGAL_CHARS:
+ ILLEGAL_CHARS.remove(os.sep)
+ISWINDOWS = sys.platform == 'win32'
+_reg_allow_disk = re.compile(r'^([a-z]\:\\)?[^:]+$', re.I)
+def _check_path(path):
+ illegal = ILLEGAL_CHARS[:]
+ sp = path.strpath
+ if ISWINDOWS:
+ illegal.remove(':')
+ if not _reg_allow_disk.match(sp):
+ raise ValueError('path may not contain a colon (:)')
+ for char in sp:
+ if char not in string.printable or char in illegal:
+ raise ValueError('illegal character %r in path' % (char,))
+
+def path_to_fspath(path, addat=True):
+ _check_path(path)
+ sp = path.strpath
+ if addat and path.rev != -1:
+ sp = '%s@%s' % (sp, path.rev)
+ elif addat:
+ sp = '%s@HEAD' % (sp,)
+ return sp
+
+def url_from_path(path):
+ fspath = path_to_fspath(path, False)
+ quote = py.std.urllib.quote
+ if ISWINDOWS:
+ match = _reg_allow_disk.match(fspath)
+ fspath = fspath.replace('\\', '/')
+ if match.group(1):
+ fspath = '/%s%s' % (match.group(1).replace('\\', '/'),
+ quote(fspath[len(match.group(1)):]))
+ else:
+ fspath = quote(fspath)
+ else:
+ fspath = quote(fspath)
+ if path.rev != -1:
+ fspath = '%s@%s' % (fspath, path.rev)
+ else:
+ fspath = '%s@HEAD' % (fspath,)
+ return 'file://%s' % (fspath,)
+
+class SvnAuth(object):
+ """ container for auth information for Subversion """
+ def __init__(self, username, password, cache_auth=True, interactive=True):
+ self.username = username
+ self.password = password
+ self.cache_auth = cache_auth
+ self.interactive = interactive
+
+ def makecmdoptions(self):
+ uname = self.username.replace('"', '\\"')
+ passwd = self.password.replace('"', '\\"')
+ ret = []
+ if uname:
+ ret.append('--username="%s"' % (uname,))
+ if passwd:
+ ret.append('--password="%s"' % (passwd,))
+ if not self.cache_auth:
+ ret.append('--no-auth-cache')
+ if not self.interactive:
+ ret.append('--non-interactive')
+ return ' '.join(ret)
+
+ def __str__(self):
+ return "<SvnAuth username=%s ...>" %(self.username,)
+
+rex_blame = re.compile(r'\s*(\d+)\s*(\S+) (.*)')
+
+class SvnWCCommandPath(common.PathBase):
+ """ path implementation offering access/modification to svn working copies.
+ It has methods similar to the functions in os.path and similar to the
+ commands of the svn client.
+ """
+ sep = os.sep
+
+ def __new__(cls, wcpath=None, auth=None):
+ self = object.__new__(cls)
+ if isinstance(wcpath, cls):
+ if wcpath.__class__ == cls:
+ return wcpath
+ wcpath = wcpath.localpath
+ if _check_for_bad_chars(str(wcpath),
+ ALLOWED_CHARS):
+ raise ValueError("bad char in wcpath %s" % (wcpath, ))
+ self.localpath = py.path.local(wcpath)
+ self.auth = auth
+ return self
+
+ strpath = property(lambda x: str(x.localpath), None, None, "string path")
+ rev = property(lambda x: x.info(usecache=0).rev, None, None, "revision")
+
+ def __eq__(self, other):
+ return self.localpath == getattr(other, 'localpath', None)
+
+ def _geturl(self):
+ if getattr(self, '_url', None) is None:
+ info = self.info()
+ self._url = info.url #SvnPath(info.url, info.rev)
+ assert isinstance(self._url, py.builtin._basestring)
+ return self._url
+
+ url = property(_geturl, None, None, "url of this WC item")
+
+ def _escape(self, cmd):
+ return _escape_helper(cmd)
+
+ def dump(self, obj):
+ """ pickle object into path location"""
+ return self.localpath.dump(obj)
+
+ def svnurl(self):
+ """ return current SvnPath for this WC-item. """
+ info = self.info()
+ return py.path.svnurl(info.url)
+
+ def __repr__(self):
+ return "svnwc(%r)" % (self.strpath) # , self._url)
+
+ def __str__(self):
+ return str(self.localpath)
+
+ def _makeauthoptions(self):
+ if self.auth is None:
+ return ''
+ return self.auth.makecmdoptions()
+
+ def _authsvn(self, cmd, args=None):
+ args = args and list(args) or []
+ args.append(self._makeauthoptions())
+ return self._svn(cmd, *args)
+
+ def _svn(self, cmd, *args):
+ l = ['svn %s' % cmd]
+ args = [self._escape(item) for item in args]
+ l.extend(args)
+ l.append('"%s"' % self._escape(self.strpath))
+ # try fixing the locale because we can't otherwise parse
+ string = fixlocale() + " ".join(l)
+ try:
+ try:
+ key = 'LC_MESSAGES'
+ hold = os.environ.get(key)
+ os.environ[key] = 'C'
+ out = py.process.cmdexec(string)
+ finally:
+ if hold:
+ os.environ[key] = hold
+ else:
+ del os.environ[key]
+ except py.process.cmdexec.Error:
+ e = sys.exc_info()[1]
+ strerr = e.err.lower()
+ if strerr.find('not found') != -1:
+ raise py.error.ENOENT(self)
+ elif strerr.find("E200009:") != -1:
+ raise py.error.ENOENT(self)
+ if (strerr.find('file exists') != -1 or
+ strerr.find('file already exists') != -1 or
+ strerr.find('w150002:') != -1 or
+ strerr.find("can't create directory") != -1):
+ raise py.error.EEXIST(strerr) #self)
+ raise
+ return out
+
+ def switch(self, url):
+ """ switch to given URL. """
+ self._authsvn('switch', [url])
+
+ def checkout(self, url=None, rev=None):
+ """ checkout from url to local wcpath. """
+ args = []
+ if url is None:
+ url = self.url
+ if rev is None or rev == -1:
+ if (py.std.sys.platform != 'win32' and
+ _getsvnversion() == '1.3'):
+ url += "@HEAD"
+ else:
+ if _getsvnversion() == '1.3':
+ url += "@%d" % rev
+ else:
+ args.append('-r' + str(rev))
+ args.append(url)
+ self._authsvn('co', args)
+
+ def update(self, rev='HEAD', interactive=True):
+ """ update working copy item to given revision. (None -> HEAD). """
+ opts = ['-r', rev]
+ if not interactive:
+ opts.append("--non-interactive")
+ self._authsvn('up', opts)
+
+ def write(self, content, mode='w'):
+ """ write content into local filesystem wc. """
+ self.localpath.write(content, mode)
+
+ def dirpath(self, *args):
+ """ return the directory Path of the current Path. """
+ return self.__class__(self.localpath.dirpath(*args), auth=self.auth)
+
+ def _ensuredirs(self):
+ parent = self.dirpath()
+ if parent.check(dir=0):
+ parent._ensuredirs()
+ if self.check(dir=0):
+ self.mkdir()
+ return self
+
+ def ensure(self, *args, **kwargs):
+ """ ensure that an args-joined path exists (by default as
+ a file). if you specify a keyword argument 'directory=True'
+ then the path is forced to be a directory path.
+ """
+ p = self.join(*args)
+ if p.check():
+ if p.check(versioned=False):
+ p.add()
+ return p
+ if kwargs.get('dir', 0):
+ return p._ensuredirs()
+ parent = p.dirpath()
+ parent._ensuredirs()
+ p.write("")
+ p.add()
+ return p
+
+ def mkdir(self, *args):
+ """ create & return the directory joined with args. """
+ if args:
+ return self.join(*args).mkdir()
+ else:
+ self._svn('mkdir')
+ return self
+
+ def add(self):
+ """ add ourself to svn """
+ self._svn('add')
+
+ def remove(self, rec=1, force=1):
+ """ remove a file or a directory tree. 'rec'ursive is
+ ignored and considered always true (because of
+ underlying svn semantics.
+ """
+ assert rec, "svn cannot remove non-recursively"
+ if not self.check(versioned=True):
+ # not added to svn (anymore?), just remove
+ py.path.local(self).remove()
+ return
+ flags = []
+ if force:
+ flags.append('--force')
+ self._svn('remove', *flags)
+
+ def copy(self, target):
+ """ copy path to target."""
+ py.process.cmdexec("svn copy %s %s" %(str(self), str(target)))
+
+ def rename(self, target):
+ """ rename this path to target. """
+ py.process.cmdexec("svn move --force %s %s" %(str(self), str(target)))
+
+ def lock(self):
+ """ set a lock (exclusive) on the resource """
+ out = self._authsvn('lock').strip()
+ if not out:
+ # warning or error, raise exception
+ raise ValueError("unknown error in svn lock command")
+
+ def unlock(self):
+ """ unset a previously set lock """
+ out = self._authsvn('unlock').strip()
+ if out.startswith('svn:'):
+ # warning or error, raise exception
+ raise Exception(out[4:])
+
+ def cleanup(self):
+ """ remove any locks from the resource """
+ # XXX should be fixed properly!!!
+ try:
+ self.unlock()
+ except:
+ pass
+
+ def status(self, updates=0, rec=0, externals=0):
+ """ return (collective) Status object for this file. """
+ # http://svnbook.red-bean.com/book.html#svn-ch-3-sect-4.3.1
+ # 2201 2192 jum test
+ # XXX
+ if externals:
+ raise ValueError("XXX cannot perform status() "
+ "on external items yet")
+ else:
+ #1.2 supports: externals = '--ignore-externals'
+ externals = ''
+ if rec:
+ rec= ''
+ else:
+ rec = '--non-recursive'
+
+ # XXX does not work on all subversion versions
+ #if not externals:
+ # externals = '--ignore-externals'
+
+ if updates:
+ updates = '-u'
+ else:
+ updates = ''
+
+ try:
+ cmd = 'status -v --xml --no-ignore %s %s %s' % (
+ updates, rec, externals)
+ out = self._authsvn(cmd)
+ except py.process.cmdexec.Error:
+ cmd = 'status -v --no-ignore %s %s %s' % (
+ updates, rec, externals)
+ out = self._authsvn(cmd)
+ rootstatus = WCStatus(self).fromstring(out, self)
+ else:
+ rootstatus = XMLWCStatus(self).fromstring(out, self)
+ return rootstatus
+
+ def diff(self, rev=None):
+ """ return a diff of the current path against revision rev (defaulting
+ to the last one).
+ """
+ args = []
+ if rev is not None:
+ args.append("-r %d" % rev)
+ out = self._authsvn('diff', args)
+ return out
+
+ def blame(self):
+ """ return a list of tuples of three elements:
+ (revision, commiter, line)
+ """
+ out = self._svn('blame')
+ result = []
+ blamelines = out.splitlines()
+ reallines = py.path.svnurl(self.url).readlines()
+ for i, (blameline, line) in enumerate(
+ zip(blamelines, reallines)):
+ m = rex_blame.match(blameline)
+ if not m:
+ raise ValueError("output line %r of svn blame does not match "
+ "expected format" % (line, ))
+ rev, name, _ = m.groups()
+ result.append((int(rev), name, line))
+ return result
+
+ _rex_commit = re.compile(r'.*Committed revision (\d+)\.$', re.DOTALL)
+ def commit(self, msg='', rec=1):
+ """ commit with support for non-recursive commits """
+ # XXX i guess escaping should be done better here?!?
+ cmd = 'commit -m "%s" --force-log' % (msg.replace('"', '\\"'),)
+ if not rec:
+ cmd += ' -N'
+ out = self._authsvn(cmd)
+ try:
+ del cache.info[self]
+ except KeyError:
+ pass
+ if out:
+ m = self._rex_commit.match(out)
+ return int(m.group(1))
+
+ def propset(self, name, value, *args):
+ """ set property name to value on this path. """
+ d = py.path.local.mkdtemp()
+ try:
+ p = d.join('value')
+ p.write(value)
+ self._svn('propset', name, '--file', str(p), *args)
+ finally:
+ d.remove()
+
+ def propget(self, name):
+ """ get property name on this path. """
+ res = self._svn('propget', name)
+ return res[:-1] # strip trailing newline
+
+ def propdel(self, name):
+ """ delete property name on this path. """
+ res = self._svn('propdel', name)
+ return res[:-1] # strip trailing newline
+
+ def proplist(self, rec=0):
+ """ return a mapping of property names to property values.
+If rec is True, then return a dictionary mapping sub-paths to such mappings.
+"""
+ if rec:
+ res = self._svn('proplist -R')
+ return make_recursive_propdict(self, res)
+ else:
+ res = self._svn('proplist')
+ lines = res.split('\n')
+ lines = [x.strip() for x in lines[1:]]
+ return PropListDict(self, lines)
+
+ def revert(self, rec=0):
+ """ revert the local changes of this path. if rec is True, do so
+recursively. """
+ if rec:
+ result = self._svn('revert -R')
+ else:
+ result = self._svn('revert')
+ return result
+
+ def new(self, **kw):
+ """ create a modified version of this path. A 'rev' argument
+ indicates a new revision.
+ the following keyword arguments modify various path parts:
+
+ http://host.com/repo/path/file.ext
+ |-----------------------| dirname
+ |------| basename
+ |--| purebasename
+ |--| ext
+ """
+ if kw:
+ localpath = self.localpath.new(**kw)
+ else:
+ localpath = self.localpath
+ return self.__class__(localpath, auth=self.auth)
+
+ def join(self, *args, **kwargs):
+ """ return a new Path (with the same revision) which is composed
+ of the self Path followed by 'args' path components.
+ """
+ if not args:
+ return self
+ localpath = self.localpath.join(*args, **kwargs)
+ return self.__class__(localpath, auth=self.auth)
+
+ def info(self, usecache=1):
+ """ return an Info structure with svn-provided information. """
+ info = usecache and cache.info.get(self)
+ if not info:
+ try:
+ output = self._svn('info')
+ except py.process.cmdexec.Error:
+ e = sys.exc_info()[1]
+ if e.err.find('Path is not a working copy directory') != -1:
+ raise py.error.ENOENT(self, e.err)
+ elif e.err.find("is not under version control") != -1:
+ raise py.error.ENOENT(self, e.err)
+ raise
+ # XXX SVN 1.3 has output on stderr instead of stdout (while it does
+ # return 0!), so a bit nasty, but we assume no output is output
+ # to stderr...
+ if (output.strip() == '' or
+ output.lower().find('not a versioned resource') != -1):
+ raise py.error.ENOENT(self, output)
+ info = InfoSvnWCCommand(output)
+
+ # Can't reliably compare on Windows without access to win32api
+ if py.std.sys.platform != 'win32':
+ if info.path != self.localpath:
+ raise py.error.ENOENT(self, "not a versioned resource:" +
+ " %s != %s" % (info.path, self.localpath))
+ cache.info[self] = info
+ return info
+
+ def listdir(self, fil=None, sort=None):
+ """ return a sequence of Paths.
+
+ listdir will return either a tuple or a list of paths
+ depending on implementation choices.
+ """
+ if isinstance(fil, str):
+ fil = common.FNMatcher(fil)
+ # XXX unify argument naming with LocalPath.listdir
+ def notsvn(path):
+ return path.basename != '.svn'
+
+ paths = []
+ for localpath in self.localpath.listdir(notsvn):
+ p = self.__class__(localpath, auth=self.auth)
+ if notsvn(p) and (not fil or fil(p)):
+ paths.append(p)
+ self._sortlist(paths, sort)
+ return paths
+
+ def open(self, mode='r'):
+ """ return an opened file with the given mode. """
+ return open(self.strpath, mode)
+
+ def _getbyspec(self, spec):
+ return self.localpath._getbyspec(spec)
+
+ class Checkers(py.path.local.Checkers):
+ def __init__(self, path):
+ self.svnwcpath = path
+ self.path = path.localpath
+ def versioned(self):
+ try:
+ s = self.svnwcpath.info()
+ except (py.error.ENOENT, py.error.EEXIST):
+ return False
+ except py.process.cmdexec.Error:
+ e = sys.exc_info()[1]
+ if e.err.find('is not a working copy')!=-1:
+ return False
+ if e.err.lower().find('not a versioned resource') != -1:
+ return False
+ raise
+ else:
+ return True
+
+ def log(self, rev_start=None, rev_end=1, verbose=False):
+ """ return a list of LogEntry instances for this path.
+rev_start is the starting revision (defaulting to the first one).
+rev_end is the last revision (defaulting to HEAD).
+if verbose is True, then the LogEntry instances also know which files changed.
+"""
+ assert self.check() # make it simpler for the pipe
+ rev_start = rev_start is None and "HEAD" or rev_start
+ rev_end = rev_end is None and "HEAD" or rev_end
+ if rev_start == "HEAD" and rev_end == 1:
+ rev_opt = ""
+ else:
+ rev_opt = "-r %s:%s" % (rev_start, rev_end)
+ verbose_opt = verbose and "-v" or ""
+ locale_env = fixlocale()
+ # some blather on stderr
+ auth_opt = self._makeauthoptions()
+ #stdin, stdout, stderr = os.popen3(locale_env +
+ # 'svn log --xml %s %s %s "%s"' % (
+ # rev_opt, verbose_opt, auth_opt,
+ # self.strpath))
+ cmd = locale_env + 'svn log --xml %s %s %s "%s"' % (
+ rev_opt, verbose_opt, auth_opt, self.strpath)
+
+ popen = subprocess.Popen(cmd,
+ stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE,
+ shell=True,
+ )
+ stdout, stderr = popen.communicate()
+ stdout = py.builtin._totext(stdout, sys.getdefaultencoding())
+ minidom,ExpatError = importxml()
+ try:
+ tree = minidom.parseString(stdout)
+ except ExpatError:
+ raise ValueError('no such revision')
+ result = []
+ for logentry in filter(None, tree.firstChild.childNodes):
+ if logentry.nodeType == logentry.ELEMENT_NODE:
+ result.append(LogEntry(logentry))
+ return result
+
+ def size(self):
+ """ Return the size of the file content of the Path. """
+ return self.info().size
+
+ def mtime(self):
+ """ Return the last modification time of the file. """
+ return self.info().mtime
+
+ def __hash__(self):
+ return hash((self.strpath, self.__class__, self.auth))
+
+
+class WCStatus:
+ attrnames = ('modified','added', 'conflict', 'unchanged', 'external',
+ 'deleted', 'prop_modified', 'unknown', 'update_available',
+ 'incomplete', 'kindmismatch', 'ignored', 'locked', 'replaced'
+ )
+
+ def __init__(self, wcpath, rev=None, modrev=None, author=None):
+ self.wcpath = wcpath
+ self.rev = rev
+ self.modrev = modrev
+ self.author = author
+
+ for name in self.attrnames:
+ setattr(self, name, [])
+
+ def allpath(self, sort=True, **kw):
+ d = {}
+ for name in self.attrnames:
+ if name not in kw or kw[name]:
+ for path in getattr(self, name):
+ d[path] = 1
+ l = d.keys()
+ if sort:
+ l.sort()
+ return l
+
+ # XXX a bit scary to assume there's always 2 spaces between username and
+ # path, however with win32 allowing spaces in user names there doesn't
+ # seem to be a more solid approach :(
+ _rex_status = re.compile(r'\s+(\d+|-)\s+(\S+)\s+(.+?)\s{2,}(.*)')
+
+ def fromstring(data, rootwcpath, rev=None, modrev=None, author=None):
+ """ return a new WCStatus object from data 's'
+ """
+ rootstatus = WCStatus(rootwcpath, rev, modrev, author)
+ update_rev = None
+ for line in data.split('\n'):
+ if not line.strip():
+ continue
+ #print "processing %r" % line
+ flags, rest = line[:8], line[8:]
+ # first column
+ c0,c1,c2,c3,c4,c5,x6,c7 = flags
+ #if '*' in line:
+ # print "flags", repr(flags), "rest", repr(rest)
+
+ if c0 in '?XI':
+ fn = line.split(None, 1)[1]
+ if c0 == '?':
+ wcpath = rootwcpath.join(fn, abs=1)
+ rootstatus.unknown.append(wcpath)
+ elif c0 == 'X':
+ wcpath = rootwcpath.__class__(
+ rootwcpath.localpath.join(fn, abs=1),
+ auth=rootwcpath.auth)
+ rootstatus.external.append(wcpath)
+ elif c0 == 'I':
+ wcpath = rootwcpath.join(fn, abs=1)
+ rootstatus.ignored.append(wcpath)
+
+ continue
+
+ #elif c0 in '~!' or c4 == 'S':
+ # raise NotImplementedError("received flag %r" % c0)
+
+ m = WCStatus._rex_status.match(rest)
+ if not m:
+ if c7 == '*':
+ fn = rest.strip()
+ wcpath = rootwcpath.join(fn, abs=1)
+ rootstatus.update_available.append(wcpath)
+ continue
+ if line.lower().find('against revision:')!=-1:
+ update_rev = int(rest.split(':')[1].strip())
+ continue
+ if line.lower().find('status on external') > -1:
+ # XXX not sure what to do here... perhaps we want to
+ # store some state instead of just continuing, as right
+ # now it makes the top-level external get added twice
+ # (once as external, once as 'normal' unchanged item)
+ # because of the way SVN presents external items
+ continue
+ # keep trying
+ raise ValueError("could not parse line %r" % line)
+ else:
+ rev, modrev, author, fn = m.groups()
+ wcpath = rootwcpath.join(fn, abs=1)
+ #assert wcpath.check()
+ if c0 == 'M':
+ assert wcpath.check(file=1), "didn't expect a directory with changed content here"
+ rootstatus.modified.append(wcpath)
+ elif c0 == 'A' or c3 == '+' :
+ rootstatus.added.append(wcpath)
+ elif c0 == 'D':
+ rootstatus.deleted.append(wcpath)
+ elif c0 == 'C':
+ rootstatus.conflict.append(wcpath)
+ elif c0 == '~':
+ rootstatus.kindmismatch.append(wcpath)
+ elif c0 == '!':
+ rootstatus.incomplete.append(wcpath)
+ elif c0 == 'R':
+ rootstatus.replaced.append(wcpath)
+ elif not c0.strip():
+ rootstatus.unchanged.append(wcpath)
+ else:
+ raise NotImplementedError("received flag %r" % c0)
+
+ if c1 == 'M':
+ rootstatus.prop_modified.append(wcpath)
+ # XXX do we cover all client versions here?
+ if c2 == 'L' or c5 == 'K':
+ rootstatus.locked.append(wcpath)
+ if c7 == '*':
+ rootstatus.update_available.append(wcpath)
+
+ if wcpath == rootwcpath:
+ rootstatus.rev = rev
+ rootstatus.modrev = modrev
+ rootstatus.author = author
+ if update_rev:
+ rootstatus.update_rev = update_rev
+ continue
+ return rootstatus
+ fromstring = staticmethod(fromstring)
+
+class XMLWCStatus(WCStatus):
+ def fromstring(data, rootwcpath, rev=None, modrev=None, author=None):
+ """ parse 'data' (XML string as outputted by svn st) into a status obj
+ """
+ # XXX for externals, the path is shown twice: once
+ # with external information, and once with full info as if
+ # the item was a normal non-external... the current way of
+ # dealing with this issue is by ignoring it - this does make
+ # externals appear as external items as well as 'normal',
+ # unchanged ones in the status object so this is far from ideal
+ rootstatus = WCStatus(rootwcpath, rev, modrev, author)
+ update_rev = None
+ minidom, ExpatError = importxml()
+ try:
+ doc = minidom.parseString(data)
+ except ExpatError:
+ e = sys.exc_info()[1]
+ raise ValueError(str(e))
+ urevels = doc.getElementsByTagName('against')
+ if urevels:
+ rootstatus.update_rev = urevels[-1].getAttribute('revision')
+ for entryel in doc.getElementsByTagName('entry'):
+ path = entryel.getAttribute('path')
+ statusel = entryel.getElementsByTagName('wc-status')[0]
+ itemstatus = statusel.getAttribute('item')
+
+ if itemstatus == 'unversioned':
+ wcpath = rootwcpath.join(path, abs=1)
+ rootstatus.unknown.append(wcpath)
+ continue
+ elif itemstatus == 'external':
+ wcpath = rootwcpath.__class__(
+ rootwcpath.localpath.join(path, abs=1),
+ auth=rootwcpath.auth)
+ rootstatus.external.append(wcpath)
+ continue
+ elif itemstatus == 'ignored':
+ wcpath = rootwcpath.join(path, abs=1)
+ rootstatus.ignored.append(wcpath)
+ continue
+ elif itemstatus == 'incomplete':
+ wcpath = rootwcpath.join(path, abs=1)
+ rootstatus.incomplete.append(wcpath)
+ continue
+
+ rev = statusel.getAttribute('revision')
+ if itemstatus == 'added' or itemstatus == 'none':
+ rev = '0'
+ modrev = '?'
+ author = '?'
+ date = ''
+ elif itemstatus == "replaced":
+ pass
+ else:
+ #print entryel.toxml()
+ commitel = entryel.getElementsByTagName('commit')[0]
+ if commitel:
+ modrev = commitel.getAttribute('revision')
+ author = ''
+ author_els = commitel.getElementsByTagName('author')
+ if author_els:
+ for c in author_els[0].childNodes:
+ author += c.nodeValue
+ date = ''
+ for c in commitel.getElementsByTagName('date')[0]\
+ .childNodes:
+ date += c.nodeValue
+
+ wcpath = rootwcpath.join(path, abs=1)
+
+ assert itemstatus != 'modified' or wcpath.check(file=1), (
+ 'did\'t expect a directory with changed content here')
+
+ itemattrname = {
+ 'normal': 'unchanged',
+ 'unversioned': 'unknown',
+ 'conflicted': 'conflict',
+ 'none': 'added',
+ }.get(itemstatus, itemstatus)
+
+ attr = getattr(rootstatus, itemattrname)
+ attr.append(wcpath)
+
+ propsstatus = statusel.getAttribute('props')
+ if propsstatus not in ('none', 'normal'):
+ rootstatus.prop_modified.append(wcpath)
+
+ if wcpath == rootwcpath:
+ rootstatus.rev = rev
+ rootstatus.modrev = modrev
+ rootstatus.author = author
+ rootstatus.date = date
+
+ # handle repos-status element (remote info)
+ rstatusels = entryel.getElementsByTagName('repos-status')
+ if rstatusels:
+ rstatusel = rstatusels[0]
+ ritemstatus = rstatusel.getAttribute('item')
+ if ritemstatus in ('added', 'modified'):
+ rootstatus.update_available.append(wcpath)
+
+ lockels = entryel.getElementsByTagName('lock')
+ if len(lockels):
+ rootstatus.locked.append(wcpath)
+
+ return rootstatus
+ fromstring = staticmethod(fromstring)
+
+class InfoSvnWCCommand:
+ def __init__(self, output):
+ # Path: test
+ # URL: http://codespeak.net/svn/std.path/trunk/dist/std.path/test
+ # Repository UUID: fd0d7bf2-dfb6-0310-8d31-b7ecfe96aada
+ # Revision: 2151
+ # Node Kind: directory
+ # Schedule: normal
+ # Last Changed Author: hpk
+ # Last Changed Rev: 2100
+ # Last Changed Date: 2003-10-27 20:43:14 +0100 (Mon, 27 Oct 2003)
+ # Properties Last Updated: 2003-11-03 14:47:48 +0100 (Mon, 03 Nov 2003)
+
+ d = {}
+ for line in output.split('\n'):
+ if not line.strip():
+ continue
+ key, value = line.split(':', 1)
+ key = key.lower().replace(' ', '')
+ value = value.strip()
+ d[key] = value
+ try:
+ self.url = d['url']
+ except KeyError:
+ raise ValueError("Not a versioned resource")
+ #raise ValueError, "Not a versioned resource %r" % path
+ self.kind = d['nodekind'] == 'directory' and 'dir' or d['nodekind']
+ try:
+ self.rev = int(d['revision'])
+ except KeyError:
+ self.rev = None
+
+ self.path = py.path.local(d['path'])
+ self.size = self.path.size()
+ if 'lastchangedrev' in d:
+ self.created_rev = int(d['lastchangedrev'])
+ if 'lastchangedauthor' in d:
+ self.last_author = d['lastchangedauthor']
+ if 'lastchangeddate' in d:
+ self.mtime = parse_wcinfotime(d['lastchangeddate'])
+ self.time = self.mtime * 1000000
+
+ def __eq__(self, other):
+ return self.__dict__ == other.__dict__
+
+def parse_wcinfotime(timestr):
+ """ Returns seconds since epoch, UTC. """
+ # example: 2003-10-27 20:43:14 +0100 (Mon, 27 Oct 2003)
+ m = re.match(r'(\d+-\d+-\d+ \d+:\d+:\d+) ([+-]\d+) .*', timestr)
+ if not m:
+ raise ValueError("timestring %r does not match" % timestr)
+ timestr, timezone = m.groups()
+ # do not handle timezone specially, return value should be UTC
+ parsedtime = time.strptime(timestr, "%Y-%m-%d %H:%M:%S")
+ return calendar.timegm(parsedtime)
+
+def make_recursive_propdict(wcroot,
+ output,
+ rex = re.compile("Properties on '(.*)':")):
+ """ Return a dictionary of path->PropListDict mappings. """
+ lines = [x for x in output.split('\n') if x]
+ pdict = {}
+ while lines:
+ line = lines.pop(0)
+ m = rex.match(line)
+ if not m:
+ raise ValueError("could not parse propget-line: %r" % line)
+ path = m.groups()[0]
+ wcpath = wcroot.join(path, abs=1)
+ propnames = []
+ while lines and lines[0].startswith(' '):
+ propname = lines.pop(0).strip()
+ propnames.append(propname)
+ assert propnames, "must have found properties!"
+ pdict[wcpath] = PropListDict(wcpath, propnames)
+ return pdict
+
+
+def importxml(cache=[]):
+ if cache:
+ return cache
+ from xml.dom import minidom
+ from xml.parsers.expat import ExpatError
+ cache.extend([minidom, ExpatError])
+ return cache
+
+class LogEntry:
+ def __init__(self, logentry):
+ self.rev = int(logentry.getAttribute('revision'))
+ for lpart in filter(None, logentry.childNodes):
+ if lpart.nodeType == lpart.ELEMENT_NODE:
+ if lpart.nodeName == 'author':
+ self.author = lpart.firstChild.nodeValue
+ elif lpart.nodeName == 'msg':
+ if lpart.firstChild:
+ self.msg = lpart.firstChild.nodeValue
+ else:
+ self.msg = ''
+ elif lpart.nodeName == 'date':
+ #2003-07-29T20:05:11.598637Z
+ timestr = lpart.firstChild.nodeValue
+ self.date = parse_apr_time(timestr)
+ elif lpart.nodeName == 'paths':
+ self.strpaths = []
+ for ppart in filter(None, lpart.childNodes):
+ if ppart.nodeType == ppart.ELEMENT_NODE:
+ self.strpaths.append(PathEntry(ppart))
+ def __repr__(self):
+ return '<Logentry rev=%d author=%s date=%s>' % (
+ self.rev, self.author, self.date)
+
+
diff --git a/lib/spack/external/py/_process/__init__.py b/lib/spack/external/py/_process/__init__.py
new file mode 100644
index 0000000000..86c714ad1a
--- /dev/null
+++ b/lib/spack/external/py/_process/__init__.py
@@ -0,0 +1 @@
+""" high-level sub-process handling """
diff --git a/lib/spack/external/py/_process/cmdexec.py b/lib/spack/external/py/_process/cmdexec.py
new file mode 100644
index 0000000000..f83a249402
--- /dev/null
+++ b/lib/spack/external/py/_process/cmdexec.py
@@ -0,0 +1,49 @@
+import sys
+import subprocess
+import py
+from subprocess import Popen, PIPE
+
+def cmdexec(cmd):
+ """ return unicode output of executing 'cmd' in a separate process.
+
+ raise cmdexec.Error exeception if the command failed.
+ the exception will provide an 'err' attribute containing
+ the error-output from the command.
+ if the subprocess module does not provide a proper encoding/unicode strings
+ sys.getdefaultencoding() will be used, if that does not exist, 'UTF-8'.
+ """
+ process = subprocess.Popen(cmd, shell=True,
+ universal_newlines=True,
+ stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+ out, err = process.communicate()
+ if sys.version_info[0] < 3: # on py3 we get unicode strings, on py2 not
+ try:
+ default_encoding = sys.getdefaultencoding() # jython may not have it
+ except AttributeError:
+ default_encoding = sys.stdout.encoding or 'UTF-8'
+ out = unicode(out, process.stdout.encoding or default_encoding)
+ err = unicode(err, process.stderr.encoding or default_encoding)
+ status = process.poll()
+ if status:
+ raise ExecutionFailed(status, status, cmd, out, err)
+ return out
+
+class ExecutionFailed(py.error.Error):
+ def __init__(self, status, systemstatus, cmd, out, err):
+ Exception.__init__(self)
+ self.status = status
+ self.systemstatus = systemstatus
+ self.cmd = cmd
+ self.err = err
+ self.out = out
+
+ def __str__(self):
+ return "ExecutionFailed: %d %s\n%s" %(self.status, self.cmd, self.err)
+
+# export the exception under the name 'py.process.cmdexec.Error'
+cmdexec.Error = ExecutionFailed
+try:
+ ExecutionFailed.__module__ = 'py.process.cmdexec'
+ ExecutionFailed.__name__ = 'Error'
+except (AttributeError, TypeError):
+ pass
diff --git a/lib/spack/external/py/_process/forkedfunc.py b/lib/spack/external/py/_process/forkedfunc.py
new file mode 100644
index 0000000000..1c28530688
--- /dev/null
+++ b/lib/spack/external/py/_process/forkedfunc.py
@@ -0,0 +1,120 @@
+
+"""
+ ForkedFunc provides a way to run a function in a forked process
+ and get at its return value, stdout and stderr output as well
+ as signals and exitstatusus.
+"""
+
+import py
+import os
+import sys
+import marshal
+
+
+def get_unbuffered_io(fd, filename):
+ f = open(str(filename), "w")
+ if fd != f.fileno():
+ os.dup2(f.fileno(), fd)
+ class AutoFlush:
+ def write(self, data):
+ f.write(data)
+ f.flush()
+ def __getattr__(self, name):
+ return getattr(f, name)
+ return AutoFlush()
+
+
+class ForkedFunc:
+ EXITSTATUS_EXCEPTION = 3
+
+
+ def __init__(self, fun, args=None, kwargs=None, nice_level=0,
+ child_on_start=None, child_on_exit=None):
+ if args is None:
+ args = []
+ if kwargs is None:
+ kwargs = {}
+ self.fun = fun
+ self.args = args
+ self.kwargs = kwargs
+ self.tempdir = tempdir = py.path.local.mkdtemp()
+ self.RETVAL = tempdir.ensure('retval')
+ self.STDOUT = tempdir.ensure('stdout')
+ self.STDERR = tempdir.ensure('stderr')
+
+ pid = os.fork()
+ if pid: # in parent process
+ self.pid = pid
+ else: # in child process
+ self.pid = None
+ self._child(nice_level, child_on_start, child_on_exit)
+
+ def _child(self, nice_level, child_on_start, child_on_exit):
+ # right now we need to call a function, but first we need to
+ # map all IO that might happen
+ sys.stdout = stdout = get_unbuffered_io(1, self.STDOUT)
+ sys.stderr = stderr = get_unbuffered_io(2, self.STDERR)
+ retvalf = self.RETVAL.open("wb")
+ EXITSTATUS = 0
+ try:
+ if nice_level:
+ os.nice(nice_level)
+ try:
+ if child_on_start is not None:
+ child_on_start()
+ retval = self.fun(*self.args, **self.kwargs)
+ retvalf.write(marshal.dumps(retval))
+ if child_on_exit is not None:
+ child_on_exit()
+ except:
+ excinfo = py.code.ExceptionInfo()
+ stderr.write(str(excinfo._getreprcrash()))
+ EXITSTATUS = self.EXITSTATUS_EXCEPTION
+ finally:
+ stdout.close()
+ stderr.close()
+ retvalf.close()
+ os.close(1)
+ os.close(2)
+ os._exit(EXITSTATUS)
+
+ def waitfinish(self, waiter=os.waitpid):
+ pid, systemstatus = waiter(self.pid, 0)
+ if systemstatus:
+ if os.WIFSIGNALED(systemstatus):
+ exitstatus = os.WTERMSIG(systemstatus) + 128
+ else:
+ exitstatus = os.WEXITSTATUS(systemstatus)
+ else:
+ exitstatus = 0
+ signal = systemstatus & 0x7f
+ if not exitstatus and not signal:
+ retval = self.RETVAL.open('rb')
+ try:
+ retval_data = retval.read()
+ finally:
+ retval.close()
+ retval = marshal.loads(retval_data)
+ else:
+ retval = None
+ stdout = self.STDOUT.read()
+ stderr = self.STDERR.read()
+ self._removetemp()
+ return Result(exitstatus, signal, retval, stdout, stderr)
+
+ def _removetemp(self):
+ if self.tempdir.check():
+ self.tempdir.remove()
+
+ def __del__(self):
+ if self.pid is not None: # only clean up in main process
+ self._removetemp()
+
+
+class Result(object):
+ def __init__(self, exitstatus, signal, retval, stdout, stderr):
+ self.exitstatus = exitstatus
+ self.signal = signal
+ self.retval = retval
+ self.out = stdout
+ self.err = stderr
diff --git a/lib/spack/external/py/_process/killproc.py b/lib/spack/external/py/_process/killproc.py
new file mode 100644
index 0000000000..18e8310b5f
--- /dev/null
+++ b/lib/spack/external/py/_process/killproc.py
@@ -0,0 +1,23 @@
+import py
+import os, sys
+
+if sys.platform == "win32" or getattr(os, '_name', '') == 'nt':
+ try:
+ import ctypes
+ except ImportError:
+ def dokill(pid):
+ py.process.cmdexec("taskkill /F /PID %d" %(pid,))
+ else:
+ def dokill(pid):
+ PROCESS_TERMINATE = 1
+ handle = ctypes.windll.kernel32.OpenProcess(
+ PROCESS_TERMINATE, False, pid)
+ ctypes.windll.kernel32.TerminateProcess(handle, -1)
+ ctypes.windll.kernel32.CloseHandle(handle)
+else:
+ def dokill(pid):
+ os.kill(pid, 15)
+
+def kill(pid):
+ """ kill process by id. """
+ dokill(pid)
diff --git a/lib/spack/external/py/_std.py b/lib/spack/external/py/_std.py
new file mode 100644
index 0000000000..97a9853323
--- /dev/null
+++ b/lib/spack/external/py/_std.py
@@ -0,0 +1,18 @@
+import sys
+
+class Std(object):
+ """ makes top-level python modules available as an attribute,
+ importing them on first access.
+ """
+
+ def __init__(self):
+ self.__dict__ = sys.modules
+
+ def __getattr__(self, name):
+ try:
+ m = __import__(name)
+ except ImportError:
+ raise AttributeError("py.std: could not import %s" % name)
+ return m
+
+std = Std()
diff --git a/lib/spack/external/py/_xmlgen.py b/lib/spack/external/py/_xmlgen.py
new file mode 100644
index 0000000000..1c83545884
--- /dev/null
+++ b/lib/spack/external/py/_xmlgen.py
@@ -0,0 +1,255 @@
+"""
+module for generating and serializing xml and html structures
+by using simple python objects.
+
+(c) holger krekel, holger at merlinux eu. 2009
+"""
+import sys, re
+
+if sys.version_info >= (3,0):
+ def u(s):
+ return s
+ def unicode(x, errors=None):
+ if hasattr(x, '__unicode__'):
+ return x.__unicode__()
+ return str(x)
+else:
+ def u(s):
+ return unicode(s)
+ unicode = unicode
+
+
+class NamespaceMetaclass(type):
+ def __getattr__(self, name):
+ if name[:1] == '_':
+ raise AttributeError(name)
+ if self == Namespace:
+ raise ValueError("Namespace class is abstract")
+ tagspec = self.__tagspec__
+ if tagspec is not None and name not in tagspec:
+ raise AttributeError(name)
+ classattr = {}
+ if self.__stickyname__:
+ classattr['xmlname'] = name
+ cls = type(name, (self.__tagclass__,), classattr)
+ setattr(self, name, cls)
+ return cls
+
+class Tag(list):
+ class Attr(object):
+ def __init__(self, **kwargs):
+ self.__dict__.update(kwargs)
+
+ def __init__(self, *args, **kwargs):
+ super(Tag, self).__init__(args)
+ self.attr = self.Attr(**kwargs)
+
+ def __unicode__(self):
+ return self.unicode(indent=0)
+ __str__ = __unicode__
+
+ def unicode(self, indent=2):
+ l = []
+ SimpleUnicodeVisitor(l.append, indent).visit(self)
+ return u("").join(l)
+
+ def __repr__(self):
+ name = self.__class__.__name__
+ return "<%r tag object %d>" % (name, id(self))
+
+Namespace = NamespaceMetaclass('Namespace', (object, ), {
+ '__tagspec__': None,
+ '__tagclass__': Tag,
+ '__stickyname__': False,
+})
+
+class HtmlTag(Tag):
+ def unicode(self, indent=2):
+ l = []
+ HtmlVisitor(l.append, indent, shortempty=False).visit(self)
+ return u("").join(l)
+
+# exported plain html namespace
+class html(Namespace):
+ __tagclass__ = HtmlTag
+ __stickyname__ = True
+ __tagspec__ = dict([(x,1) for x in (
+ 'a,abbr,acronym,address,applet,area,article,aside,audio,b,'
+ 'base,basefont,bdi,bdo,big,blink,blockquote,body,br,button,'
+ 'canvas,caption,center,cite,code,col,colgroup,command,comment,'
+ 'datalist,dd,del,details,dfn,dir,div,dl,dt,em,embed,'
+ 'fieldset,figcaption,figure,footer,font,form,frame,frameset,h1,'
+ 'h2,h3,h4,h5,h6,head,header,hgroup,hr,html,i,iframe,img,input,'
+ 'ins,isindex,kbd,keygen,label,legend,li,link,listing,map,mark,'
+ 'marquee,menu,meta,meter,multicol,nav,nobr,noembed,noframes,'
+ 'noscript,object,ol,optgroup,option,output,p,param,pre,progress,'
+ 'q,rp,rt,ruby,s,samp,script,section,select,small,source,span,'
+ 'strike,strong,style,sub,summary,sup,table,tbody,td,textarea,'
+ 'tfoot,th,thead,time,title,tr,track,tt,u,ul,xmp,var,video,wbr'
+ ).split(',') if x])
+
+ class Style(object):
+ def __init__(self, **kw):
+ for x, y in kw.items():
+ x = x.replace('_', '-')
+ setattr(self, x, y)
+
+
+class raw(object):
+ """just a box that can contain a unicode string that will be
+ included directly in the output"""
+ def __init__(self, uniobj):
+ self.uniobj = uniobj
+
+class SimpleUnicodeVisitor(object):
+ """ recursive visitor to write unicode. """
+ def __init__(self, write, indent=0, curindent=0, shortempty=True):
+ self.write = write
+ self.cache = {}
+ self.visited = {} # for detection of recursion
+ self.indent = indent
+ self.curindent = curindent
+ self.parents = []
+ self.shortempty = shortempty # short empty tags or not
+
+ def visit(self, node):
+ """ dispatcher on node's class/bases name. """
+ cls = node.__class__
+ try:
+ visitmethod = self.cache[cls]
+ except KeyError:
+ for subclass in cls.__mro__:
+ visitmethod = getattr(self, subclass.__name__, None)
+ if visitmethod is not None:
+ break
+ else:
+ visitmethod = self.__object
+ self.cache[cls] = visitmethod
+ visitmethod(node)
+
+ # the default fallback handler is marked private
+ # to avoid clashes with the tag name object
+ def __object(self, obj):
+ #self.write(obj)
+ self.write(escape(unicode(obj)))
+
+ def raw(self, obj):
+ self.write(obj.uniobj)
+
+ def list(self, obj):
+ assert id(obj) not in self.visited
+ self.visited[id(obj)] = 1
+ for elem in obj:
+ self.visit(elem)
+
+ def Tag(self, tag):
+ assert id(tag) not in self.visited
+ try:
+ tag.parent = self.parents[-1]
+ except IndexError:
+ tag.parent = None
+ self.visited[id(tag)] = 1
+ tagname = getattr(tag, 'xmlname', tag.__class__.__name__)
+ if self.curindent and not self._isinline(tagname):
+ self.write("\n" + u(' ') * self.curindent)
+ if tag:
+ self.curindent += self.indent
+ self.write(u('<%s%s>') % (tagname, self.attributes(tag)))
+ self.parents.append(tag)
+ for x in tag:
+ self.visit(x)
+ self.parents.pop()
+ self.write(u('</%s>') % tagname)
+ self.curindent -= self.indent
+ else:
+ nameattr = tagname+self.attributes(tag)
+ if self._issingleton(tagname):
+ self.write(u('<%s/>') % (nameattr,))
+ else:
+ self.write(u('<%s></%s>') % (nameattr, tagname))
+
+ def attributes(self, tag):
+ # serialize attributes
+ attrlist = dir(tag.attr)
+ attrlist.sort()
+ l = []
+ for name in attrlist:
+ res = self.repr_attribute(tag.attr, name)
+ if res is not None:
+ l.append(res)
+ l.extend(self.getstyle(tag))
+ return u("").join(l)
+
+ def repr_attribute(self, attrs, name):
+ if name[:2] != '__':
+ value = getattr(attrs, name)
+ if name.endswith('_'):
+ name = name[:-1]
+ if isinstance(value, raw):
+ insert = value.uniobj
+ else:
+ insert = escape(unicode(value))
+ return ' %s="%s"' % (name, insert)
+
+ def getstyle(self, tag):
+ """ return attribute list suitable for styling. """
+ try:
+ styledict = tag.style.__dict__
+ except AttributeError:
+ return []
+ else:
+ stylelist = [x+': ' + y for x,y in styledict.items()]
+ return [u(' style="%s"') % u('; ').join(stylelist)]
+
+ def _issingleton(self, tagname):
+ """can (and will) be overridden in subclasses"""
+ return self.shortempty
+
+ def _isinline(self, tagname):
+ """can (and will) be overridden in subclasses"""
+ return False
+
+class HtmlVisitor(SimpleUnicodeVisitor):
+
+ single = dict([(x, 1) for x in
+ ('br,img,area,param,col,hr,meta,link,base,'
+ 'input,frame').split(',')])
+ inline = dict([(x, 1) for x in
+ ('a abbr acronym b basefont bdo big br cite code dfn em font '
+ 'i img input kbd label q s samp select small span strike '
+ 'strong sub sup textarea tt u var'.split(' '))])
+
+ def repr_attribute(self, attrs, name):
+ if name == 'class_':
+ value = getattr(attrs, name)
+ if value is None:
+ return
+ return super(HtmlVisitor, self).repr_attribute(attrs, name)
+
+ def _issingleton(self, tagname):
+ return tagname in self.single
+
+ def _isinline(self, tagname):
+ return tagname in self.inline
+
+
+class _escape:
+ def __init__(self):
+ self.escape = {
+ u('"') : u('"'), u('<') : u('<'), u('>') : u('>'),
+ u('&') : u('&'), u("'") : u('''),
+ }
+ self.charef_rex = re.compile(u("|").join(self.escape.keys()))
+
+ def _replacer(self, match):
+ return self.escape[match.group(0)]
+
+ def __call__(self, ustring):
+ """ xml-escape the given unicode string. """
+ try:
+ ustring = unicode(ustring)
+ except UnicodeDecodeError:
+ ustring = unicode(ustring, 'utf-8', errors='replace')
+ return self.charef_rex.sub(self._replacer, ustring)
+
+escape = _escape()
diff --git a/lib/spack/external/py/test.py b/lib/spack/external/py/test.py
new file mode 100644
index 0000000000..aa5beb1789
--- /dev/null
+++ b/lib/spack/external/py/test.py
@@ -0,0 +1,10 @@
+import sys
+if __name__ == '__main__':
+ import pytest
+ sys.exit(pytest.main())
+else:
+ import sys, pytest
+ sys.modules['py.test'] = pytest
+
+# for more API entry points see the 'tests' definition
+# in __init__.py
--
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