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brotli/setup.py
Eugene Kliuchnikov 223d80cfbe
Update (#826) 
* IMPORTANT: decoder: fix potential overflow when input chunk is >2GiB
 * simplify max Huffman table size calculation
 * eliminate symbol duplicates (static arrays in .h files)
 * minor combing in research/ code
2020-08-26 12:32:27 +02:00

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# Copyright 2015 The Brotli Authors. All rights reserved.
#
# Distributed under MIT license.
# See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
import os
import platform
import re
import unittest
try:
from setuptools import Extension
from setuptools import setup
except:
from distutils.core import Extension
from distutils.core import setup
from distutils.command.build_ext import build_ext
from distutils import errors
from distutils import dep_util
from distutils import log
CURR_DIR = os.path.abspath(os.path.dirname(os.path.realpath(__file__)))
def get_version():
""" Return BROTLI_VERSION string as defined in 'common/version.h' file. """
version_file_path = os.path.join(CURR_DIR, 'c', 'common', 'version.h')
version = 0
with open(version_file_path, 'r') as f:
for line in f:
m = re.match(r'#define\sBROTLI_VERSION\s+0x([0-9a-fA-F]+)', line)
if m:
version = int(m.group(1), 16)
if version == 0:
return ''
# Semantic version is calculated as (MAJOR << 24) | (MINOR << 12) | PATCH.
major = version >> 24
minor = (version >> 12) & 0xFFF
patch = version & 0xFFF
return '{0}.{1}.{2}'.format(major, minor, patch)
def get_test_suite():
test_loader = unittest.TestLoader()
test_suite = test_loader.discover('python', pattern='*_test.py')
return test_suite
class BuildExt(build_ext):
def get_source_files(self):
filenames = build_ext.get_source_files(self)
for ext in self.extensions:
filenames.extend(ext.depends)
return filenames
def build_extension(self, ext):
if ext.sources is None or not isinstance(ext.sources, (list, tuple)):
raise errors.DistutilsSetupError(
"in 'ext_modules' option (extension '%s'), "
"'sources' must be present and must be "
"a list of source filenames" % ext.name)
ext_path = self.get_ext_fullpath(ext.name)
depends = ext.sources + ext.depends
if not (self.force or dep_util.newer_group(depends, ext_path, 'newer')):
log.debug("skipping '%s' extension (up-to-date)", ext.name)
return
else:
log.info("building '%s' extension", ext.name)
c_sources = []
cxx_sources = []
for source in ext.sources:
if source.endswith('.c'):
c_sources.append(source)
else:
cxx_sources.append(source)
extra_args = ext.extra_compile_args or []
objects = []
for lang, sources in (('c', c_sources), ('c++', cxx_sources)):
if lang == 'c++':
if self.compiler.compiler_type == 'msvc':
extra_args.append('/EHsc')
macros = ext.define_macros[:]
if platform.system() == 'Darwin':
macros.append(('OS_MACOSX', '1'))
elif self.compiler.compiler_type == 'mingw32':
# On Windows Python 2.7, pyconfig.h defines "hypot" as "_hypot",
# This clashes with GCC's cmath, and causes compilation errors when
# building under MinGW: http://bugs.python.org/issue11566
macros.append(('_hypot', 'hypot'))
for undef in ext.undef_macros:
macros.append((undef,))
objs = self.compiler.compile(
sources,
output_dir=self.build_temp,
macros=macros,
include_dirs=ext.include_dirs,
debug=self.debug,
extra_postargs=extra_args,
depends=ext.depends)
objects.extend(objs)
self._built_objects = objects[:]
if ext.extra_objects:
objects.extend(ext.extra_objects)
extra_args = ext.extra_link_args or []
# when using GCC on Windows, we statically link libgcc and libstdc++,
# so that we don't need to package extra DLLs
if self.compiler.compiler_type == 'mingw32':
extra_args.extend(['-static-libgcc', '-static-libstdc++'])
ext_path = self.get_ext_fullpath(ext.name)
# Detect target language, if not provided
language = ext.language or self.compiler.detect_language(sources)
self.compiler.link_shared_object(
objects,
ext_path,
libraries=self.get_libraries(ext),
library_dirs=ext.library_dirs,
runtime_library_dirs=ext.runtime_library_dirs,
extra_postargs=extra_args,
export_symbols=self.get_export_symbols(ext),
debug=self.debug,
build_temp=self.build_temp,
target_lang=language)
NAME = 'Brotli'
VERSION = get_version()
URL = 'https://github.com/google/brotli'
DESCRIPTION = 'Python bindings for the Brotli compression library'
AUTHOR = 'The Brotli Authors'
LICENSE = 'MIT'
PLATFORMS = ['Posix', 'MacOS X', 'Windows']
CLASSIFIERS = [
'Development Status :: 4 - Beta',
'Environment :: Console',
'Intended Audience :: Developers',
'License :: OSI Approved :: MIT License',
'Operating System :: MacOS :: MacOS X',
'Operating System :: Microsoft :: Windows',
'Operating System :: POSIX :: Linux',
'Programming Language :: C',
'Programming Language :: C++',
'Programming Language :: Python',
'Programming Language :: Python :: 2',
'Programming Language :: Python :: 2.7',
'Programming Language :: Python :: 3',
'Programming Language :: Python :: 3.3',
'Programming Language :: Python :: 3.4',
'Programming Language :: Python :: 3.5',
'Programming Language :: Unix Shell',
'Topic :: Software Development :: Libraries',
'Topic :: Software Development :: Libraries :: Python Modules',
'Topic :: System :: Archiving',
'Topic :: System :: Archiving :: Compression',
'Topic :: Text Processing :: Fonts',
'Topic :: Utilities',
]
PACKAGE_DIR = {'': 'python'}
PY_MODULES = ['brotli']
EXT_MODULES = [
Extension(
'_brotli',
sources=[
'python/_brotli.cc',
'c/common/constants.c',
'c/common/context.c',
'c/common/dictionary.c',
'c/common/platform.c',
'c/common/transform.c',
'c/dec/bit_reader.c',
'c/dec/decode.c',
'c/dec/huffman.c',
'c/dec/state.c',
'c/enc/backward_references.c',
'c/enc/backward_references_hq.c',
'c/enc/bit_cost.c',
'c/enc/block_splitter.c',
'c/enc/brotli_bit_stream.c',
'c/enc/cluster.c',
'c/enc/command.c',
'c/enc/compress_fragment.c',
'c/enc/compress_fragment_two_pass.c',
'c/enc/dictionary_hash.c',
'c/enc/encode.c',
'c/enc/encoder_dict.c',
'c/enc/entropy_encode.c',
'c/enc/fast_log.c',
'c/enc/histogram.c',
'c/enc/literal_cost.c',
'c/enc/memory.c',
'c/enc/metablock.c',
'c/enc/static_dict.c',
'c/enc/utf8_util.c',
],
depends=[
'c/common/constants.h',
'c/common/context.h',
'c/common/dictionary.h',
'c/common/platform.h',
'c/common/transform.h',
'c/common/version.h',
'c/dec/bit_reader.h',
'c/dec/huffman.h',
'c/dec/prefix.h',
'c/dec/state.h',
'c/enc/backward_references.h',
'c/enc/backward_references_hq.h',
'c/enc/backward_references_inc.h',
'c/enc/bit_cost.h',
'c/enc/bit_cost_inc.h',
'c/enc/block_encoder_inc.h',
'c/enc/block_splitter.h',
'c/enc/block_splitter_inc.h',
'c/enc/brotli_bit_stream.h',
'c/enc/cluster.h',
'c/enc/cluster_inc.h',
'c/enc/command.h',
'c/enc/compress_fragment.h',
'c/enc/compress_fragment_two_pass.h',
'c/enc/dictionary_hash.h',
'c/enc/encoder_dict.h',
'c/enc/entropy_encode.h',
'c/enc/entropy_encode_static.h',
'c/enc/fast_log.h',
'c/enc/find_match_length.h',
'c/enc/hash.h',
'c/enc/hash_composite_inc.h',
'c/enc/hash_forgetful_chain_inc.h',
'c/enc/hash_longest_match64_inc.h',
'c/enc/hash_longest_match_inc.h',
'c/enc/hash_longest_match_quickly_inc.h',
'c/enc/hash_rolling_inc.h',
'c/enc/hash_to_binary_tree_inc.h',
'c/enc/histogram.h',
'c/enc/histogram_inc.h',
'c/enc/literal_cost.h',
'c/enc/memory.h',
'c/enc/metablock.h',
'c/enc/metablock_inc.h',
'c/enc/params.h',
'c/enc/prefix.h',
'c/enc/quality.h',
'c/enc/ringbuffer.h',
'c/enc/static_dict.h',
'c/enc/static_dict_lut.h',
'c/enc/utf8_util.h',
'c/enc/write_bits.h',
],
include_dirs=[
'c/include',
],
language='c++'),
]
TEST_SUITE = 'setup.get_test_suite'
CMD_CLASS = {
'build_ext': BuildExt,
}
setup(
name=NAME,
description=DESCRIPTION,
version=VERSION,
url=URL,
author=AUTHOR,
license=LICENSE,
platforms=PLATFORMS,
classifiers=CLASSIFIERS,
package_dir=PACKAGE_DIR,
py_modules=PY_MODULES,
ext_modules=EXT_MODULES,
test_suite=TEST_SUITE,
cmdclass=CMD_CLASS)
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