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# -*- coding: utf-8 -*-
########################################################################
#
# License: BSD 3-clause
# Created: September 22, 2010
# Author: Francesc Alted - faltet@gmail.com
#
########################################################################
# flake8: noqa
from __future__ import print_function
import os
import platform
import re
import sys
from setuptools import Extension
from setuptools import setup
from glob import glob
try:
import cpuinfo
except Exception:
pass
########### Check versions ##########
def exit_with_error(message):
print('ERROR: %s' % message)
sys.exit(1)
# Check for Python
if sys.version_info[0] == 2:
if sys.version_info[1] < 7:
exit_with_error("You need Python 2.7 or greater to install blosc!")
elif sys.version_info[0] == 3:
if sys.version_info[1] < 4:
exit_with_error("You need Python 3.4 or greater to install blosc!")
else:
exit_with_error("You need Python 2.7/3.4 or greater to install blosc!")
tests_require = ['numpy']
########### End of checks ##########
# Read the long_description from README.rst
with open('README.rst') as f:
long_description = f.read()
# Blosc version
VERSION = open('VERSION').read().strip()
# Create the version.py file
open('blosc/version.py', 'w').write('__version__ = "%s"\n' % VERSION)
# Global variables
CFLAGS = os.environ.get('CFLAGS', '').split()
LFLAGS = os.environ.get('LFLAGS', '').split()
# Allow setting the Blosc dir if installed in the system
BLOSC_DIR = os.environ.get('BLOSC_DIR', '')
# Check for USE_CODEC environment variables
try:
INCLUDE_LZ4 = os.environ['INCLUDE_LZ4'] == '1'
except KeyError:
INCLUDE_LZ4 = True
try:
INCLUDE_SNAPPY = os.environ['INCLUDE_SNAPPY'] == '1'
except KeyError:
INCLUDE_SNAPPY = False # Snappy is disabled by default
try:
INCLUDE_ZLIB = os.environ['INCLUDE_ZLIB'] == '1'
except KeyError:
INCLUDE_ZLIB = True
try:
INCLUDE_ZSTD = os.environ['INCLUDE_ZSTD'] == '1'
except KeyError:
INCLUDE_ZSTD = True
# Handle --blosc=[PATH] --lflags=[FLAGS] --cflags=[FLAGS]
args = sys.argv[:]
for arg in args:
if arg.find('--blosc=') == 0:
BLOSC_DIR = os.path.expanduser(arg.split('=')[1])
sys.argv.remove(arg)
if arg.find('--lflags=') == 0:
LFLAGS = arg.split('=')[1].split()
sys.argv.remove(arg)
if arg.find('--cflags=') == 0:
CFLAGS = arg.split('=')[1].split()
sys.argv.remove(arg)
# Blosc sources and headers
# To avoid potential namespace collisions use build_clib.py for each codec
# instead of co-compiling all sources files in one setuptools.Extension object.
clibs = [] # for build_clib, libraries TO BE BUILT
# Below are parameters for the Extension object
sources = ["blosc/blosc_extension.c"]
inc_dirs = []
lib_dirs = []
libs = [] # Pre-built libraries ONLY, like python36.so
def_macros = []
if BLOSC_DIR != '':
# Using the Blosc library
lib_dirs += [os.path.join(BLOSC_DIR, 'lib')]
inc_dirs += [os.path.join(BLOSC_DIR, 'include')]
libs += ['blosc']
else:
# Configure the Extension
# Compiling everything from included C-Blosc sources
sources += [f for f in glob('c-blosc/blosc/*.c')
if 'avx2' not in f and 'sse2' not in f]
inc_dirs += [os.path.join('c-blosc', 'blosc')]
inc_dirs += glob('c-blosc/internal-complibs/*')
# Codecs to be built with build_clib
if INCLUDE_LZ4:
clibs.append( ('lz4', {'sources': glob('c-blosc/internal-complibs/lz4*/*.c')} ) )
inc_dirs += glob('c-blosc/internal-complibs/lz4*')
def_macros += [('HAVE_LZ4',1)]
# Tried and failed to compile Snappy with gcc using 'cflags' on posix
# setuptools always uses gcc instead of g++, as it only checks for the
# env var 'CC' and not 'CXX'.
if INCLUDE_SNAPPY:
clibs.append( ('snappy', {'sources': glob('c-blosc/internal-complibs/snappy*/*.cc'),
'cflags': ['-std=c++11', '-lstdc++'] } ) )
inc_dirs += glob('c-blosc/internal-complibs/snappy*')
def_macros += [('HAVE_SNAPPY',1)]
if INCLUDE_ZLIB:
clibs.append( ('zlib', {'sources': glob('c-blosc/internal-complibs/zlib*/*.c')} ) )
def_macros += [('HAVE_ZLIB',1)]
if INCLUDE_ZSTD:
clibs.append( ('zstd', {'sources': glob('c-blosc/internal-complibs/zstd*/*/*.c'),
'include_dirs': glob('c-blosc/internal-complibs/zstd*') + glob('c-blosc/internal-complibs/zstd*/common') } ) )
inc_dirs += glob('c-blosc/internal-complibs/zstd*/common')
inc_dirs += glob('c-blosc/internal-complibs/zstd*')
def_macros += [('HAVE_ZSTD',1)]
# Guess SSE2 or AVX2 capabilities
cpu_info = cpuinfo.get_cpu_info()
# SSE2
if 'DISABLE_BLOSC_SSE2' not in os.environ and (cpu_info != None) and ('sse2' in cpu_info['flags']):
print('SSE2 detected')
CFLAGS.append('-DSHUFFLE_SSE2_ENABLED')
sources += [f for f in glob('c-blosc/blosc/*.c') if 'sse2' in f]
if os.name == 'posix':
CFLAGS.append('-msse2')
elif os.name == 'nt':
def_macros += [('__SSE2__', 1)]
# AVX2
if 'DISABLE_BLOSC_AVX2' not in os.environ and (cpu_info != None) and ('avx2' in cpu_info['flags']):
print('AVX2 detected')
CFLAGS.append('-DSHUFFLE_AVX2_ENABLED')
sources += [f for f in glob('c-blosc/blosc/*.c') if 'avx2' in f]
if os.name == 'posix':
CFLAGS.append('-mavx2')
elif os.name == 'nt':
def_macros += [('__AVX2__', 1)]
# TODO: AVX512
classifiers = """\
Development Status :: 5 - Production/Stable
Intended Audience :: Developers
Intended Audience :: Information Technology
Intended Audience :: Science/Research
License :: OSI Approved :: MIT License
Programming Language :: Python
Programming Language :: Python :: 2.7
Programming Language :: Python :: 3.4
Programming Language :: Python :: 3.5
Programming Language :: Python :: 3.6
Programming Language :: Python :: 3.7
Topic :: Software Development :: Libraries :: Python Modules
Topic :: System :: Archiving :: Compression
Operating System :: Microsoft :: Windows
Operating System :: Unix
"""
setup(name = "blosc",
version = VERSION,
description = 'Blosc data compressor',
long_description = """\
Blosc is a high performance compressor optimized for binary data.
""",
classifiers = [c for c in classifiers.split("\n") if c],
author = 'Francesc Alted, Valentin Hänel',
author_email = 'faltet@gmail.com, valentin@haenel.co',
maintainer = 'Francesc Alted',
maintainer_email = 'faltet@gmail.com',
url = 'http://github.com/blosc/python-blosc',
license = 'https://opensource.org/licenses/BSD-3-Clause',
platforms = ['any'],
libraries = clibs,
ext_modules = [
Extension( "blosc.blosc_extension",
include_dirs=inc_dirs,
define_macros=def_macros,
sources=sources,
library_dirs=lib_dirs,
libraries=libs,
extra_link_args=LFLAGS,
extra_compile_args=CFLAGS ),
],
tests_require=tests_require,
zip_safe=False,
packages = ['blosc'],
)
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