py-pyarrow: new package (#9416)

arrow: add missing dependency for python build

The Parquet library moved into the Arrow organisation, hence add a
parquet flavor and adapt dependencies.

var/spack/repos/builtin/packages/arrow/package.py

@@ -15,12 +15,15 @@ class Arrow(CMakePackage):
     homepage = "http://arrow.apache.org"
     url      = "https://github.com/apache/arrow/archive/apache-arrow-0.9.0.tar.gz"
 
+    version('0.11.0', '0ac629a7775d86108e403eb66d9f1a3d3bdd6b3a497a86228aa4e8143364b7cc')
     version('0.9.0', 'ebbd36c362b9e1d398ca612f6d2531ec')
     version('0.8.0', '56436f6f61ccc68686b7e0ea30bf4d09')
 
     depends_on('boost@1.60:')
     depends_on('cmake@3.2.0:', type='build')
     depends_on('flatbuffers@1.8.0 build_type=Release')  # only Release contains flatc
+    depends_on('python', when='+python')
+    depends_on('py-numpy', when='+python')
     depends_on('rapidjson')
     depends_on('snappy~shared')
     depends_on('zlib+pic')
@@ -29,6 +32,8 @@ class Arrow(CMakePackage):
     variant('build_type', default='Release',
             description='CMake build type',
             values=('Debug', 'FastDebug', 'Release'))
+    variant('python', default=False, description='Build Python interface')
+    variant('parquet', default=False, description='Build Parquet interface')
 
     root_cmakelists_dir = 'cpp'
 
@@ -48,6 +53,10 @@ def cmake_args(self):
             "-DARROW_WITH_BROTLI=OFF",
             "-DARROW_WITH_LZ4=OFF",
         ]
+        if self.spec.satisfies('+python'):
+            args.append("-DARROW_PYTHON:BOOL=ON")
+        if self.spec.satisfies('+parquet'):
+            args.append("-DARROW_PARQUET:BOOL=ON")
         for dep in ('flatbuffers', 'rapidjson', 'snappy', 'zlib', 'zstd'):
             args.append("-D{0}_HOME={1}".format(dep.upper(),
                                                 self.spec[dep].prefix))

var/spack/repos/builtin/packages/py-pyarrow/package.py

+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack import *
+
+
+class PyPyarrow(PythonPackage):
+    """A cross-language development platform for in-memory data.
+
+    This package contains the Python bindings.
+    """
+
+    homepage = "http://arrow.apache.org"
+    url      = "https://pypi.org/packages/source/p/pyarrow/pyarrow-0.9.0.tar.gz"
+
+    version('0.11.0', sha256='07a6fd71c5d7440f2c42383dd2c5daa12d7f0a012f1e88288ed08a247032aead')
+    version('0.9.0', sha256='7db8ce2f0eff5a00d6da918ce9f9cfec265e13f8a119b4adb1595e5b19fd6242')
+
+    variant('parquet', default=False, description="Build with Parquet support")
+
+    depends_on('cmake@3.0.0:', type='build')
+    depends_on('pkg-config', type='build')
+    depends_on('py-setuptools', type='build')
+    depends_on('py-cython', type='build')
+
+    depends_on('arrow+python')
+    depends_on('arrow+parquet+python', when='+parquet')
+
+    phases = ['build_ext', 'install']
+
+    def build_ext_args(self, spec, prefix):
+        args = []
+        if spec.satisfies('+parquet'):
+            args.append('--with-parquet')
+        return args