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1#! /usr/bin/env python
2#
3# See README for usage instructions.
4from distutils import util
5import glob
6import os
7import pkg_resources
8import re
9import subprocess
10import sys
11import sysconfig
12import platform
13
14# We must use setuptools, not distutils, because we need to use the
15# namespace_packages option for the "google" package.
16from setuptools import setup, Extension, find_packages
17
18from distutils.command.build_py import build_py as _build_py
19from distutils.command.clean import clean as _clean
20from distutils.spawn import find_executable
21
22# Find the Protocol Compiler.
23if 'PROTOC' in os.environ and os.path.exists(os.environ['PROTOC']):
24  protoc = os.environ['PROTOC']
25elif os.path.exists("../src/protoc"):
26  protoc = "../src/protoc"
27elif os.path.exists("../src/protoc.exe"):
28  protoc = "../src/protoc.exe"
29elif os.path.exists("../vsprojects/Debug/protoc.exe"):
30  protoc = "../vsprojects/Debug/protoc.exe"
31elif os.path.exists("../vsprojects/Release/protoc.exe"):
32  protoc = "../vsprojects/Release/protoc.exe"
33else:
34  protoc = find_executable("protoc")
35
36
37def GetVersion():
38  """Gets the version from google/protobuf/__init__.py
39
40  Do not import google.protobuf.__init__ directly, because an installed
41  protobuf library may be loaded instead."""
42
43  with open(os.path.join('google', 'protobuf', '__init__.py')) as version_file:
44    exec(version_file.read(), globals())
45    global __version__
46    return __version__
47
48
49def generate_proto(source, require = True):
50  """Invokes the Protocol Compiler to generate a _pb2.py from the given
51  .proto file.  Does nothing if the output already exists and is newer than
52  the input."""
53
54  if not require and not os.path.exists(source):
55    return
56
57  output = source.replace(".proto", "_pb2.py").replace("../src/", "")
58
59  if (not os.path.exists(output) or
60      (os.path.exists(source) and
61       os.path.getmtime(source) > os.path.getmtime(output))):
62    print("Generating %s..." % output)
63
64    if not os.path.exists(source):
65      sys.stderr.write("Can't find required file: %s\n" % source)
66      sys.exit(-1)
67
68    if protoc is None:
69      sys.stderr.write(
70          "protoc is not installed nor found in ../src.  Please compile it "
71          "or install the binary package.\n")
72      sys.exit(-1)
73
74    protoc_command = [ protoc, "-I../src", "-I.", "--python_out=.", source ]
75    if subprocess.call(protoc_command) != 0:
76      sys.exit(-1)
77
78def GenerateUnittestProtos():
79  generate_proto("../src/google/protobuf/any_test.proto", False)
80  generate_proto("../src/google/protobuf/map_proto2_unittest.proto", False)
81  generate_proto("../src/google/protobuf/map_unittest.proto", False)
82  generate_proto("../src/google/protobuf/test_messages_proto3.proto", False)
83  generate_proto("../src/google/protobuf/test_messages_proto2.proto", False)
84  generate_proto("../src/google/protobuf/unittest_arena.proto", False)
85  generate_proto("../src/google/protobuf/unittest.proto", False)
86  generate_proto("../src/google/protobuf/unittest_custom_options.proto", False)
87  generate_proto("../src/google/protobuf/unittest_import.proto", False)
88  generate_proto("../src/google/protobuf/unittest_import_public.proto", False)
89  generate_proto("../src/google/protobuf/unittest_mset.proto", False)
90  generate_proto("../src/google/protobuf/unittest_mset_wire_format.proto", False)
91  generate_proto("../src/google/protobuf/unittest_no_generic_services.proto", False)
92  generate_proto("../src/google/protobuf/unittest_proto3_arena.proto", False)
93  generate_proto("../src/google/protobuf/util/json_format.proto", False)
94  generate_proto("../src/google/protobuf/util/json_format_proto3.proto", False)
95  generate_proto("google/protobuf/internal/any_test.proto", False)
96  generate_proto("google/protobuf/internal/descriptor_pool_test1.proto", False)
97  generate_proto("google/protobuf/internal/descriptor_pool_test2.proto", False)
98  generate_proto("google/protobuf/internal/factory_test1.proto", False)
99  generate_proto("google/protobuf/internal/factory_test2.proto", False)
100  generate_proto("google/protobuf/internal/file_options_test.proto", False)
101  generate_proto("google/protobuf/internal/import_test_package/inner.proto", False)
102  generate_proto("google/protobuf/internal/import_test_package/outer.proto", False)
103  generate_proto("google/protobuf/internal/missing_enum_values.proto", False)
104  generate_proto("google/protobuf/internal/message_set_extensions.proto", False)
105  generate_proto("google/protobuf/internal/more_extensions.proto", False)
106  generate_proto("google/protobuf/internal/more_extensions_dynamic.proto", False)
107  generate_proto("google/protobuf/internal/more_messages.proto", False)
108  generate_proto("google/protobuf/internal/no_package.proto", False)
109  generate_proto("google/protobuf/internal/packed_field_test.proto", False)
110  generate_proto("google/protobuf/internal/test_bad_identifiers.proto", False)
111  generate_proto("google/protobuf/internal/test_proto3_optional.proto", False)
112  generate_proto("google/protobuf/pyext/python.proto", False)
113
114
115class clean(_clean):
116  def run(self):
117    # Delete generated files in the code tree.
118    for (dirpath, dirnames, filenames) in os.walk("."):
119      for filename in filenames:
120        filepath = os.path.join(dirpath, filename)
121        if filepath.endswith("_pb2.py") or filepath.endswith(".pyc") or \
122          filepath.endswith(".so") or filepath.endswith(".o"):
123          os.remove(filepath)
124    # _clean is an old-style class, so super() doesn't work.
125    _clean.run(self)
126
127class build_py(_build_py):
128  def run(self):
129    # Generate necessary .proto file if it doesn't exist.
130    generate_proto("../src/google/protobuf/descriptor.proto")
131    generate_proto("../src/google/protobuf/compiler/plugin.proto")
132    generate_proto("../src/google/protobuf/any.proto")
133    generate_proto("../src/google/protobuf/api.proto")
134    generate_proto("../src/google/protobuf/duration.proto")
135    generate_proto("../src/google/protobuf/empty.proto")
136    generate_proto("../src/google/protobuf/field_mask.proto")
137    generate_proto("../src/google/protobuf/source_context.proto")
138    generate_proto("../src/google/protobuf/struct.proto")
139    generate_proto("../src/google/protobuf/timestamp.proto")
140    generate_proto("../src/google/protobuf/type.proto")
141    generate_proto("../src/google/protobuf/wrappers.proto")
142    GenerateUnittestProtos()
143
144    # _build_py is an old-style class, so super() doesn't work.
145    _build_py.run(self)
146
147class test_conformance(_build_py):
148  target = 'test_python'
149  def run(self):
150    # Python 2.6 dodges these extra failures.
151    os.environ["CONFORMANCE_PYTHON_EXTRA_FAILURES"] = (
152        "--failure_list failure_list_python-post26.txt")
153    cmd = 'cd ../conformance && make %s' % (test_conformance.target)
154    status = subprocess.check_call(cmd, shell=True)
155
156
157def get_option_from_sys_argv(option_str):
158  if option_str in sys.argv:
159    sys.argv.remove(option_str)
160    return True
161  return False
162
163
164if __name__ == '__main__':
165  ext_module_list = []
166  warnings_as_errors = '--warnings_as_errors'
167  if get_option_from_sys_argv('--cpp_implementation'):
168    # Link libprotobuf.a and libprotobuf-lite.a statically with the
169    # extension. Note that those libraries have to be compiled with
170    # -fPIC for this to work.
171    compile_static_ext = get_option_from_sys_argv('--compile_static_extension')
172    libraries = ['protobuf']
173    extra_objects = None
174    if compile_static_ext:
175      libraries = None
176      extra_objects = ['../src/.libs/libprotobuf.a',
177                       '../src/.libs/libprotobuf-lite.a']
178    test_conformance.target = 'test_python_cpp'
179
180    extra_compile_args = []
181
182    if sys.platform != 'win32':
183        extra_compile_args.append('-Wno-write-strings')
184        extra_compile_args.append('-Wno-invalid-offsetof')
185        extra_compile_args.append('-Wno-sign-compare')
186        extra_compile_args.append('-Wno-unused-variable')
187        extra_compile_args.append('-std=c++11')
188
189    if sys.platform == 'darwin':
190      extra_compile_args.append("-Wno-shorten-64-to-32");
191      extra_compile_args.append("-Wno-deprecated-register");
192
193    # https://developer.apple.com/documentation/xcode_release_notes/xcode_10_release_notes
194    # C++ projects must now migrate to libc++ and are recommended to set a
195    # deployment target of macOS 10.9 or later, or iOS 7 or later.
196    if sys.platform == 'darwin':
197      mac_target = sysconfig.get_config_var('MACOSX_DEPLOYMENT_TARGET')
198      if mac_target and (pkg_resources.parse_version(mac_target) <
199                       pkg_resources.parse_version('10.9.0')):
200        os.environ['MACOSX_DEPLOYMENT_TARGET'] = '10.9'
201        os.environ['_PYTHON_HOST_PLATFORM'] = re.sub(
202            r'macosx-[0-9]+\.[0-9]+-(.+)', r'macosx-10.9-\1',
203            util.get_platform())
204
205    # https://github.com/Theano/Theano/issues/4926
206    if sys.platform == 'win32':
207      extra_compile_args.append('-D_hypot=hypot')
208
209    # https://github.com/tpaviot/pythonocc-core/issues/48
210    if sys.platform == 'win32' and  '64 bit' in sys.version:
211      extra_compile_args.append('-DMS_WIN64')
212
213    # MSVS default is dymanic
214    if (sys.platform == 'win32'):
215      extra_compile_args.append('/MT')
216
217    if "clang" in os.popen('$CC --version 2> /dev/null').read():
218      extra_compile_args.append('-Wno-shorten-64-to-32')
219
220    if warnings_as_errors in sys.argv:
221      extra_compile_args.append('-Werror')
222      sys.argv.remove(warnings_as_errors)
223
224    # C++ implementation extension
225    ext_module_list.extend([
226        Extension(
227            "google.protobuf.pyext._message",
228            glob.glob('google/protobuf/pyext/*.cc'),
229            include_dirs=[".", "../src"],
230            libraries=libraries,
231            extra_objects=extra_objects,
232            library_dirs=['../src/.libs'],
233            extra_compile_args=extra_compile_args,
234        ),
235        Extension(
236            "google.protobuf.internal._api_implementation",
237            glob.glob('google/protobuf/internal/api_implementation.cc'),
238            extra_compile_args=extra_compile_args + ['-DPYTHON_PROTO2_CPP_IMPL_V2'],
239        ),
240    ])
241    os.environ['PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION'] = 'cpp'
242
243  # Keep this list of dependencies in sync with tox.ini.
244  install_requires = ['six>=1.9', 'setuptools']
245  if sys.version_info <= (2,7):
246    install_requires.append('ordereddict')
247    install_requires.append('unittest2')
248
249  setup(
250      name='protobuf',
251      version=GetVersion(),
252      description='Protocol Buffers',
253      download_url='https://github.com/protocolbuffers/protobuf/releases',
254      long_description="Protocol Buffers are Google's data interchange format",
255      url='https://developers.google.com/protocol-buffers/',
256      maintainer='protobuf@googlegroups.com',
257      maintainer_email='protobuf@googlegroups.com',
258      license='3-Clause BSD License',
259      classifiers=[
260        "Programming Language :: Python",
261        "Programming Language :: Python :: 2",
262        "Programming Language :: Python :: 2.7",
263        "Programming Language :: Python :: 3",
264        "Programming Language :: Python :: 3.3",
265        "Programming Language :: Python :: 3.4",
266        "Programming Language :: Python :: 3.5",
267        "Programming Language :: Python :: 3.6",
268        "Programming Language :: Python :: 3.7",
269        ],
270      namespace_packages=['google'],
271      packages=find_packages(
272          exclude=[
273              'import_test_package',
274          ],
275      ),
276      test_suite='google.protobuf.internal',
277      cmdclass={
278          'clean': clean,
279          'build_py': build_py,
280          'test_conformance': test_conformance,
281      },
282      setup_requires = ['wheel'],
283      install_requires=install_requires,
284      ext_modules=ext_module_list,
285  )
286