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import distutils
from distutils.core import setup, Extension
from distutils.command.build_ext import build_ext
from distutils.cmd import Command
import platform
import os
import re
CURR_DIR = os.path.abspath(os.path.dirname(os.path.realpath(__file__)))
# when compiling for Windows Python 2.7, force distutils to use Visual Studio
# 2010 instead of 2008, as the latter doesn't support c++0x
if platform.system() == 'Windows':
try:
import distutils.msvc9compiler
except distutils.errors.DistutilsPlatformError:
pass # importing msvc9compiler raises when running under MinGW
else:
orig_find_vcvarsall = distutils.msvc9compiler.find_vcvarsall
def patched_find_vcvarsall(version):
return orig_find_vcvarsall(version if version != 9.0 else 10.0)
distutils.msvc9compiler.find_vcvarsall = patched_find_vcvarsall
def get_version():
""" Return BROTLI_VERSION string as defined in 'tools/version.h' file. """
brotlimodule = os.path.join(CURR_DIR, 'tools', 'version.h')
with open(brotlimodule, 'r') as f:
for line in f:
m = re.match(r'#define\sBROTLI_VERSION\s"(.*)"', line)
if m:
return m.group(1)
return ""
class TestCommand(Command):
""" Run all *_test.py scripts in 'tests' folder with the same Python
interpreter used to run setup.py.
"""
user_options = []
def initialize_options(self):
pass
def finalize_options(self):
pass
def run(self):
import sys, subprocess, glob
test_dir = os.path.join(CURR_DIR, 'python', 'tests')
os.chdir(test_dir)
for test in glob.glob("*_test.py"):
try:
subprocess.check_call([sys.executable, test])
except subprocess.CalledProcessError:
raise SystemExit(1)
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):
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 platform.system() == "Darwin":
extra_args.extend(["-stdlib=libc++", "-mmacosx-version-min=10.7"])
if self.compiler.compiler_type in ["unix", "cygwin", "mingw32"]:
extra_args.append("-std=c++0x")
elif 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)
brotli = Extension("brotli",
sources=[
"python/brotlimodule.cc",
"enc/backward_references.cc",
"enc/block_splitter.cc",
"enc/brotli_bit_stream.cc",
"enc/encode.cc",
"enc/entropy_encode.cc",
"enc/histogram.cc",
"enc/literal_cost.cc",
"enc/metablock.cc",
"enc/static_dict.cc",
"enc/streams.cc",
"enc/utf8_util.cc",
"dec/bit_reader.c",
"dec/decode.c",
"dec/dictionary.c",
"dec/huffman.c",
"dec/streams.c",
"dec/state.c",
],
depends=[
"enc/backward_references.h",
"enc/bit_cost.h",
"enc/block_splitter.h",
"enc/brotli_bit_stream.h",
"enc/cluster.h",
"enc/command.h",
"enc/context.h",
"enc/dictionary.h",
"enc/dictionary_hash.h",
"enc/encode.h",
"enc/entropy_encode.h",
"enc/fast_log.h",
"enc/find_match_length.h",
"enc/hash.h",
"enc/histogram.h",
"enc/literal_cost.h",
"enc/metablock.h",
"enc/port.h",
"enc/prefix.h",
"enc/ringbuffer.h",
"enc/static_dict.h",
"enc/static_dict_lut.h",
"enc/streams.h",
"enc/transform.h",
"enc/types.h",
"enc/utf8_util.h",
"enc/write_bits.h",
"dec/bit_reader.h",
"dec/context.h",
"dec/decode.h",
"dec/dictionary.h",
"dec/huffman.h",
"dec/prefix.h",
"dec/port.h",
"dec/streams.h",
"dec/transform.h",
"dec/types.h",
"dec/state.h",
],
language="c++",
)
setup(
name="Brotli",
version=get_version(),
url="https://github.com/google/brotli",
description="Python binding of the Brotli compression library",
author="Khaled Hosny",
author_email="khaledhosny@eglug.org",
license="Apache 2.0",
ext_modules=[brotli],
cmdclass={
'build_ext': BuildExt,
'test': TestCommand
},
)
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