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Diffstat (limited to 'src/python/grpcio/precompiled.py')
-rw-r--r-- | src/python/grpcio/precompiled.py | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/python/grpcio/precompiled.py b/src/python/grpcio/precompiled.py new file mode 100644 index 0000000000..05c651b506 --- /dev/null +++ b/src/python/grpcio/precompiled.py @@ -0,0 +1,102 @@ +# Copyright 2015-2016, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +import os +import platform +import shutil +import sys + +import setuptools + +import commands +import grpc_version + +try: + from urllib2 import urlopen +except ImportError: + from urllib.request import urlopen + +PYTHON_STEM = os.path.dirname(os.path.abspath(__file__)) +BINARIES_REPOSITORY = os.environ.get( + 'GRPC_PYTHON_BINARIES_REPOSITORY', + 'https://storage.googleapis.com/grpc-precompiled-binaries/python') +USE_PRECOMPILED_BINARIES = bool(int(os.environ.get( + 'GRPC_PYTHON_USE_PRECOMPILED_BINARIES', '1'))) + +def _tagged_ext_name(base): + uname = platform.uname() + tags = '-'.join((grpc_version.VERSION, uname[0], uname[4])) + flavor = 'ucs2' if sys.maxunicode == 65535 else 'ucs4' + return '{base}-{tags}-{flavor}'.format(base=base, tags=tags, flavor=flavor) + + +class BuildTaggedExt(setuptools.Command): + + description = 'build the gRPC tagged extensions' + user_options = [] + + def initialize_options(self): + # distutils requires this override. + pass + + def finalize_options(self): + # distutils requires this override. + pass + + def run(self): + if 'linux' in sys.platform: + self.run_command('build_ext') + try: + os.makedirs('dist/') + except OSError: + pass + shutil.copyfile( + os.path.join(PYTHON_STEM, 'grpc/_cython/cygrpc.so'), + 'dist/{}.so'.format(_tagged_ext_name('cygrpc'))) + else: + sys.stderr.write('nothing to do for build_tagged_ext\n') + + +def update_setup_arguments(setup_arguments): + url = '{}/{}.so'.format(BINARIES_REPOSITORY, _tagged_ext_name('cygrpc')) + target_path = os.path.join(PYTHON_STEM, 'grpc/_cython/cygrpc.so') + try: + extension = urlopen(url).read() + except: + sys.stderr.write( + 'could not download precompiled extension: {}\n'.format(url)) + return + try: + with open(target_path, 'w') as target: + target.write(extension) + setup_arguments['ext_modules'] = [] + except: + sys.stderr.write( + 'could not write precompiled extension to directory: {} -> {}\n' + .format(url, target_path)) |