356 lines
14 KiB
Python
356 lines
14 KiB
Python
#! /usr/bin/env python
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#
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# See README for usage instructions.
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# pylint:disable=missing-module-docstring
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# pylint:disable=g-bad-import-order
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from distutils import util
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import fnmatch
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import glob
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import os
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import pkg_resources
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import re
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import subprocess
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import sys
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import sysconfig
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# pylint:disable=g-importing-member
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# pylint:disable=g-multiple-import
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# We must use setuptools, not distutils, because we need to use the
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# namespace_packages option for the "google" package.
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from setuptools import setup, Extension, find_packages
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from distutils.command.build_ext import build_ext as _build_ext
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from distutils.command.build_py import build_py as _build_py
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from distutils.command.clean import clean as _clean
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from distutils.spawn import find_executable
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# Find the Protocol Compiler.
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if 'PROTOC' in os.environ and os.path.exists(os.environ['PROTOC']):
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protoc = os.environ['PROTOC']
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elif os.path.exists('../src/protoc'):
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protoc = '../src/protoc'
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elif os.path.exists('../src/protoc.exe'):
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protoc = '../src/protoc.exe'
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elif os.path.exists('../vsprojects/Debug/protoc.exe'):
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protoc = '../vsprojects/Debug/protoc.exe'
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elif os.path.exists('../vsprojects/Release/protoc.exe'):
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protoc = '../vsprojects/Release/protoc.exe'
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else:
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protoc = find_executable('protoc')
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def GetVersion():
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"""Reads and returns the version from google/protobuf/__init__.py.
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Do not import google.protobuf.__init__ directly, because an installed
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protobuf library may be loaded instead.
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Returns:
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The version.
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"""
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with open(os.path.join('google', 'protobuf', '__init__.py')) as version_file:
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exec(version_file.read(), globals()) # pylint:disable=exec-used
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return __version__ # pylint:disable=undefined-variable
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def GenProto(source, require=True):
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"""Generates a _pb2.py from the given .proto file.
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Does nothing if the output already exists and is newer than the input.
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Args:
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source: the .proto file path.
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require: if True, exit immediately when a path is not found.
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"""
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if not require and not os.path.exists(source):
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return
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output = source.replace('.proto', '_pb2.py').replace('../src/', '')
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if (not os.path.exists(output) or
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(os.path.exists(source) and
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os.path.getmtime(source) > os.path.getmtime(output))):
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print('Generating %s...' % output)
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if not os.path.exists(source):
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sys.stderr.write("Can't find required file: %s\n" % source)
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sys.exit(-1)
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if protoc is None:
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sys.stderr.write(
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'protoc is not installed nor found in ../src. Please compile it '
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'or install the binary package.\n')
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sys.exit(-1)
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protoc_command = [protoc, '-I../src', '-I.', '--python_out=.', source]
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if subprocess.call(protoc_command) != 0:
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sys.exit(-1)
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def GenerateUnittestProtos():
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"""Generates protobuf code for unittests."""
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GenProto('../src/google/protobuf/any_test.proto', False)
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GenProto('../src/google/protobuf/map_proto2_unittest.proto', False)
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GenProto('../src/google/protobuf/map_unittest.proto', False)
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GenProto('../src/google/protobuf/test_messages_proto3.proto', False)
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GenProto('../src/google/protobuf/test_messages_proto2.proto', False)
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GenProto('../src/google/protobuf/unittest_arena.proto', False)
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GenProto('../src/google/protobuf/unittest.proto', False)
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GenProto('../src/google/protobuf/unittest_custom_options.proto', False)
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GenProto('../src/google/protobuf/unittest_import.proto', False)
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GenProto('../src/google/protobuf/unittest_import_public.proto', False)
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GenProto('../src/google/protobuf/unittest_mset.proto', False)
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GenProto('../src/google/protobuf/unittest_mset_wire_format.proto', False)
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GenProto('../src/google/protobuf/unittest_no_generic_services.proto', False)
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GenProto('../src/google/protobuf/unittest_proto3_arena.proto', False)
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GenProto('../src/google/protobuf/util/json_format.proto', False)
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GenProto('../src/google/protobuf/util/json_format_proto3.proto', False)
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GenProto('google/protobuf/internal/any_test.proto', False)
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GenProto('google/protobuf/internal/descriptor_pool_test1.proto', False)
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GenProto('google/protobuf/internal/descriptor_pool_test2.proto', False)
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GenProto('google/protobuf/internal/factory_test1.proto', False)
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GenProto('google/protobuf/internal/factory_test2.proto', False)
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GenProto('google/protobuf/internal/file_options_test.proto', False)
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GenProto('google/protobuf/internal/import_test_package/import_public.proto', False)
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GenProto('google/protobuf/internal/import_test_package/import_public_nested.proto', False)
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GenProto('google/protobuf/internal/import_test_package/inner.proto', False)
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GenProto('google/protobuf/internal/import_test_package/outer.proto', False)
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GenProto('google/protobuf/internal/missing_enum_values.proto', False)
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GenProto('google/protobuf/internal/message_set_extensions.proto', False)
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GenProto('google/protobuf/internal/more_extensions.proto', False)
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GenProto('google/protobuf/internal/more_extensions_dynamic.proto', False)
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GenProto('google/protobuf/internal/more_messages.proto', False)
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GenProto('google/protobuf/internal/no_package.proto', False)
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GenProto('google/protobuf/internal/packed_field_test.proto', False)
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GenProto('google/protobuf/internal/test_bad_identifiers.proto', False)
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GenProto('google/protobuf/internal/test_proto3_optional.proto', False)
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GenProto('google/protobuf/pyext/python.proto', False)
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class CleanCmd(_clean):
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"""Custom clean command for building the protobuf extension."""
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def run(self):
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# Delete generated files in the code tree.
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for (dirpath, unused_dirnames, filenames) in os.walk('.'):
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for filename in filenames:
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filepath = os.path.join(dirpath, filename)
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if (filepath.endswith('_pb2.py') or filepath.endswith('.pyc') or
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filepath.endswith('.so') or filepath.endswith('.o')):
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os.remove(filepath)
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# _clean is an old-style class, so super() doesn't work.
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_clean.run(self)
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class BuildPyCmd(_build_py):
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"""Custom build_py command for building the protobuf runtime."""
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def run(self):
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# Generate necessary .proto file if it doesn't exist.
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GenProto('../src/google/protobuf/descriptor.proto')
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GenProto('../src/google/protobuf/compiler/plugin.proto')
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GenProto('../src/google/protobuf/any.proto')
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GenProto('../src/google/protobuf/api.proto')
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GenProto('../src/google/protobuf/duration.proto')
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GenProto('../src/google/protobuf/empty.proto')
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GenProto('../src/google/protobuf/field_mask.proto')
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GenProto('../src/google/protobuf/source_context.proto')
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GenProto('../src/google/protobuf/struct.proto')
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GenProto('../src/google/protobuf/timestamp.proto')
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GenProto('../src/google/protobuf/type.proto')
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GenProto('../src/google/protobuf/wrappers.proto')
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GenerateUnittestProtos()
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# _build_py is an old-style class, so super() doesn't work.
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_build_py.run(self)
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def find_package_modules(self, package, package_dir):
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exclude = (
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'*test*',
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'google/protobuf/internal/*_pb2.py',
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'google/protobuf/internal/_parameterized.py',
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'google/protobuf/pyext/python_pb2.py',
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)
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modules = _build_py.find_package_modules(self, package, package_dir)
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return [(pkg, mod, fil) for (pkg, mod, fil) in modules
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if not any(fnmatch.fnmatchcase(fil, pat=pat) for pat in exclude)]
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class BuildExtCmd(_build_ext):
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"""Command class for building the protobuf Python extension."""
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def get_ext_filename(self, ext_name):
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# since python3.5, python extensions' shared libraries use a suffix that
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# corresponds to the value of sysconfig.get_config_var('EXT_SUFFIX') and
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# contains info about the architecture the library targets. E.g. on x64
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# linux the suffix is ".cpython-XYZ-x86_64-linux-gnu.so" When
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# crosscompiling python wheels, we need to be able to override this
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# suffix so that the resulting file name matches the target architecture
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# and we end up with a well-formed wheel.
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filename = _build_ext.get_ext_filename(self, ext_name)
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orig_ext_suffix = sysconfig.get_config_var('EXT_SUFFIX')
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new_ext_suffix = os.getenv('PROTOCOL_BUFFERS_OVERRIDE_EXT_SUFFIX')
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if new_ext_suffix and filename.endswith(orig_ext_suffix):
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filename = filename[:-len(orig_ext_suffix)] + new_ext_suffix
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return filename
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class TestConformanceCmd(_build_py):
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target = 'test_python'
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def run(self):
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# Python 2.6 dodges these extra failures.
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os.environ['CONFORMANCE_PYTHON_EXTRA_FAILURES'] = (
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'--failure_list failure_list_python-post26.txt')
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cmd = 'cd ../conformance && make %s' % (TestConformanceCmd.target)
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subprocess.check_call(cmd, shell=True)
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def GetOptionFromArgv(option_str):
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if option_str in sys.argv:
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sys.argv.remove(option_str)
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return True
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return False
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if __name__ == '__main__':
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ext_module_list = []
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warnings_as_errors = '--warnings_as_errors'
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if GetOptionFromArgv('--cpp_implementation'):
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# Link libprotobuf.a and libprotobuf-lite.a statically with the
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# extension. Note that those libraries have to be compiled with
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# -fPIC for this to work.
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compile_static_ext = GetOptionFromArgv('--compile_static_extension')
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libraries = ['protobuf']
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extra_objects = None
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if compile_static_ext:
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libraries = None
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extra_objects = ['../src/.libs/libprotobuf.a',
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'../src/.libs/libprotobuf-lite.a']
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TestConformanceCmd.target = 'test_python_cpp'
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extra_compile_args = []
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message_extra_link_args = None
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api_implementation_link_args = None
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if 'darwin' in sys.platform:
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if sys.version_info[0] == 2:
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message_init_symbol = 'init_message'
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api_implementation_init_symbol = 'init_api_implementation'
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else:
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message_init_symbol = 'PyInit__message'
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api_implementation_init_symbol = 'PyInit__api_implementation'
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message_extra_link_args = [
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'-Wl,-exported_symbol,_%s' % message_init_symbol
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]
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api_implementation_link_args = [
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'-Wl,-exported_symbol,_%s' % api_implementation_init_symbol
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]
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if sys.platform != 'win32':
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extra_compile_args.append('-Wno-write-strings')
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extra_compile_args.append('-Wno-invalid-offsetof')
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extra_compile_args.append('-Wno-sign-compare')
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extra_compile_args.append('-Wno-unused-variable')
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extra_compile_args.append('-std=c++11')
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if sys.platform == 'darwin':
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extra_compile_args.append('-Wno-shorten-64-to-32')
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extra_compile_args.append('-Wno-deprecated-register')
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# https://developer.apple.com/documentation/xcode_release_notes/xcode_10_release_notes
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# C++ projects must now migrate to libc++ and are recommended to set a
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# deployment target of macOS 10.9 or later, or iOS 7 or later.
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if sys.platform == 'darwin':
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mac_target = str(sysconfig.get_config_var('MACOSX_DEPLOYMENT_TARGET'))
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if mac_target and (pkg_resources.parse_version(mac_target) <
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pkg_resources.parse_version('10.9.0')):
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os.environ['MACOSX_DEPLOYMENT_TARGET'] = '10.9'
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os.environ['_PYTHON_HOST_PLATFORM'] = re.sub(
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r'macosx-[0-9]+\.[0-9]+-(.+)', r'macosx-10.9-\1',
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util.get_platform())
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# https://github.com/Theano/Theano/issues/4926
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if sys.platform == 'win32':
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extra_compile_args.append('-D_hypot=hypot')
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# https://github.com/tpaviot/pythonocc-core/issues/48
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if sys.platform == 'win32' and '64 bit' in sys.version:
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extra_compile_args.append('-DMS_WIN64')
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# MSVS default is dymanic
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if sys.platform == 'win32':
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extra_compile_args.append('/MT')
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if 'clang' in os.popen('$CC --version 2> /dev/null').read():
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extra_compile_args.append('-Wno-shorten-64-to-32')
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if warnings_as_errors in sys.argv:
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extra_compile_args.append('-Werror')
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sys.argv.remove(warnings_as_errors)
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# C++ implementation extension
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ext_module_list.extend([
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Extension(
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'google.protobuf.pyext._message',
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glob.glob('google/protobuf/pyext/*.cc'),
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include_dirs=['.', '../src'],
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libraries=libraries,
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extra_objects=extra_objects,
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extra_link_args=message_extra_link_args,
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library_dirs=['../src/.libs'],
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extra_compile_args=extra_compile_args,
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),
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Extension(
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'google.protobuf.internal._api_implementation',
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glob.glob('google/protobuf/internal/api_implementation.cc'),
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extra_compile_args=(extra_compile_args +
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['-DPYTHON_PROTO2_CPP_IMPL_V2']),
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extra_link_args=api_implementation_link_args,
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),
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])
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os.environ['PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION'] = 'cpp'
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# Keep this list of dependencies in sync with tox.ini.
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install_requires = []
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setup(
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name='protobuf',
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version=GetVersion(),
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description='Protocol Buffers',
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download_url='https://github.com/protocolbuffers/protobuf/releases',
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long_description="Protocol Buffers are Google's data interchange format",
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url='https://developers.google.com/protocol-buffers/',
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maintainer='protobuf@googlegroups.com',
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maintainer_email='protobuf@googlegroups.com',
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license='BSD-3-Clause',
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classifiers=[
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'Programming Language :: Python',
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'Programming Language :: Python :: 3',
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'Programming Language :: Python :: 3.7',
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'Programming Language :: Python :: 3.8',
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'Programming Language :: Python :: 3.9',
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'Programming Language :: Python :: 3.10',
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],
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namespace_packages=['google'],
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packages=find_packages(
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exclude=[
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'import_test_package',
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'protobuf_distutils',
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],),
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test_suite='google.protobuf.internal',
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cmdclass={
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'clean': CleanCmd,
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'build_py': BuildPyCmd,
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'build_ext': BuildExtCmd,
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'test_conformance': TestConformanceCmd,
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},
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install_requires=install_requires,
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ext_modules=ext_module_list,
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python_requires='>=3.7',
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)
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