Protocol Buffers - Google's data interchange format (grpc依赖) https://developers.google.com/protocol-buffers/
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#! /usr/bin/env python
#
# See README for usage instructions.
import sys
import os
import subprocess
# We must use setuptools, not distutils, because we need to use the
# namespace_packages option for the "google" package.
try:
from setuptools import setup, Extension, find_packages
except ImportError:
try:
from ez_setup import use_setuptools
use_setuptools()
from setuptools import setup, Extension, find_packages
except ImportError:
sys.stderr.write(
"Could not import setuptools; make sure you have setuptools or "
"ez_setup installed.\n"
)
raise
from distutils.command.clean import clean as _clean
if sys.version_info[0] == 3:
# Python 3
from distutils.command.build_py import build_py_2to3 as _build_py
else:
# Python 2
from distutils.command.build_py import build_py as _build_py
from distutils.spawn import find_executable
# Find the Protocol Compiler.
if 'PROTOC' in os.environ and os.path.exists(os.environ['PROTOC']):
protoc = os.environ['PROTOC']
elif os.path.exists("../src/protoc"):
protoc = "../src/protoc"
elif os.path.exists("../src/protoc.exe"):
protoc = "../src/protoc.exe"
elif os.path.exists("../vsprojects/Debug/protoc.exe"):
protoc = "../vsprojects/Debug/protoc.exe"
elif os.path.exists("../vsprojects/Release/protoc.exe"):
protoc = "../vsprojects/Release/protoc.exe"
else:
protoc = find_executable("protoc")
def GetVersion():
"""Gets the version from google/protobuf/__init__.py
Do not import google.protobuf.__init__ directly, because an installed
protobuf library may be loaded instead."""
with open(os.path.join('google', 'protobuf', '__init__.py')) as version_file:
exec(version_file.read(), globals())
return __version__
def generate_proto(source):
"""Invokes the Protocol Compiler to generate a _pb2.py from the given
.proto file. Does nothing if the output already exists and is newer than
the input."""
output = source.replace(".proto", "_pb2.py").replace("../src/", "")
if (not os.path.exists(output) or
(os.path.exists(source) and
os.path.getmtime(source) > os.path.getmtime(output))):
print("Generating %s..." % output)
if not os.path.exists(source):
sys.stderr.write("Can't find required file: %s\n" % source)
sys.exit(-1)
if protoc is None:
sys.stderr.write(
"protoc is not installed nor found in ../src. "
"Please compile it or install the binary package.\n"
)
sys.exit(-1)
protoc_command = [protoc, "-I../src", "-I.", "--python_out=.", source]
if subprocess.call(protoc_command) != 0:
sys.exit(-1)
def GenerateUnittestProtos():
generate_proto("../src/google/protobuf/unittest.proto")
generate_proto("../src/google/protobuf/unittest_custom_options.proto")
generate_proto("../src/google/protobuf/unittest_import.proto")
generate_proto("../src/google/protobuf/unittest_import_public.proto")
generate_proto("../src/google/protobuf/unittest_mset.proto")
generate_proto("../src/google/protobuf/unittest_no_generic_services.proto")
generate_proto("../src/google/protobuf/unittest_proto3_arena.proto")
generate_proto("google/protobuf/internal/descriptor_pool_test1.proto")
generate_proto("google/protobuf/internal/descriptor_pool_test2.proto")
generate_proto("google/protobuf/internal/factory_test1.proto")
generate_proto("google/protobuf/internal/factory_test2.proto")
generate_proto("google/protobuf/internal/import_test_package/inner.proto")
generate_proto("google/protobuf/internal/import_test_package/outer.proto")
generate_proto("google/protobuf/internal/missing_enum_values.proto")
generate_proto("google/protobuf/internal/more_extensions.proto")
generate_proto("google/protobuf/internal/more_extensions_dynamic.proto")
generate_proto("google/protobuf/internal/more_messages.proto")
generate_proto("google/protobuf/internal/test_bad_identifiers.proto")
generate_proto("google/protobuf/pyext/python.proto")
class clean(_clean):
def run(self):
# Delete generated files in the code tree.
for (dirpath, dirnames, filenames) in os.walk("."):
for filename in filenames:
filepath = os.path.join(dirpath, filename)
if filepath.endswith("_pb2.py") or filepath.endswith(".pyc") or \
filepath.endswith(".so") or filepath.endswith(".o") or \
filepath.endswith('google/protobuf/compiler/__init__.py'):
os.remove(filepath)
# _clean is an old-style class, so super() doesn't work.
_clean.run(self)
class build_py(_build_py):
def run(self):
# Generate necessary .proto file if it doesn't exist.
generate_proto("../src/google/protobuf/descriptor.proto")
generate_proto("../src/google/protobuf/compiler/plugin.proto")
GenerateUnittestProtos()
# Make sure google.protobuf/** are valid packages.
for path in ['', 'internal/', 'compiler/', 'pyext/']:
try:
open('google/protobuf/%s__init__.py' % path, 'a').close()
except EnvironmentError:
pass
# _build_py is an old-style class, so super() doesn't work.
_build_py.run(self)
# TODO(mrovner): Subclass to run 2to3 on some files only.
# Tracing what https://wiki.python.org/moin/PortingPythonToPy3k's
# "Approach 2" section on how to get 2to3 to run on source files during
# install under Python 3. This class seems like a good place to put logic
# that calls python3's distutils.util.run_2to3 on the subset of the files we
# have in our release that are subject to conversion.
# See code reference in previous code review.
if __name__ == '__main__':
ext_module_list = []
cpp_impl = '--cpp_implementation'
if cpp_impl in sys.argv:
sys.argv.remove(cpp_impl)
# C++ implementation extension
ext_module_list.append(
Extension(
"google.protobuf.pyext._message",
[
"google/protobuf/pyext/descriptor.cc",
"google/protobuf/pyext/descriptor_containers.cc",
"google/protobuf/pyext/descriptor_pool.cc",
"google/protobuf/pyext/extension_dict.cc",
"google/protobuf/pyext/message.cc",
"google/protobuf/pyext/repeated_composite_container.cc",
"google/protobuf/pyext/repeated_scalar_container.cc",
],
define_macros=[('GOOGLE_PROTOBUF_HAS_ONEOF', '1')],
include_dirs=[".", "../src"],
libraries=['protobuf'],
library_dirs=['../src/.libs'],
)
)
os.environ['PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION'] = 'cpp'
setup(
name='protobuf',
version=GetVersion(),
description='Protocol Buffers',
long_description="Protocol Buffers are Google's data interchange format",
url='https://developers.google.com/protocol-buffers/',
maintainer='protobuf@googlegroups.com',
maintainer_email='protobuf@googlegroups.com',
license='New BSD License',
classifiers=[
'Programming Language :: Python :: 2.7',
],
namespace_packages=['google'],
packages=find_packages(
exclude=[
'import_test_package',
],
),
test_suite='google.protobuf.internal',
cmdclass={
'clean': clean,
'build_py': build_py,
},
install_requires=['setuptools'],
ext_modules=ext_module_list,
)