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import sys
import os
import versioneer
import setuptools
import distutils.command.clean
import shutil
have_cython = False
try:
import Cython
if Cython.__version__ < '0.25':
raise Exception('cython is too old or not installed '
'(at least 0.25 required)')
from Cython.Build import cythonize
have_cython = True
except Exception:
# for devel version
raise
def cythonize(args):
for arg in args:
arg.sources = [(s[:-3] + 'c' if s.endswith('.pyx') else s) for s in arg.sources]
# clang gives an error if passed -mno-fused-madd
# (and I don't even understand why it's passed in the first place)
if sys.platform == 'darwin':
from distutils import sysconfig, ccompiler
sysconfig_customize_compiler = sysconfig.customize_compiler
def customize_compiler(compiler):
sysconfig_customize_compiler(compiler)
if sys.platform == 'darwin':
while '-mno-fused-madd' in compiler.compiler:
compiler.compiler.remove('-mno-fused-madd')
while '-mno-fused-madd' in compiler.compiler_so:
compiler.compiler_so.remove('-mno-fused-madd')
while '-mno-fused-madd' in compiler.linker_so:
compiler.linker_so.remove('-mno-fused-madd')
sysconfig.customize_compiler = customize_compiler
ccompiler.customize_compiler = customize_compiler
try:
from setuptools import setup, Extension as _Extension
# setuptools is stupid and rewrites "sources" to change '.pyx' to '.c'
# if it can't find Pyrex (and in recent versions, Cython).
#
# This is a really stupid thing to do behind the users's back (since
# it breaks development builds) especially with no way of disabling it
# short of the hack below.
class Extension(_Extension):
def __init__(self, *args, **kwargs):
save_sources = kwargs.get('sources', None)
_Extension.__init__(self, *args, **kwargs)
self.sources = save_sources
except ImportError:
from distutils.core import setup, Extension
import numpy as np
to_del = []
for i, a in enumerate(sys.argv):
if a == '--disable-cython':
to_del.append(i)
have_cython = False
for i in reversed(to_del):
del sys.argv[i]
del to_del
include_dirs = [np.get_include()]
library_dirs = []
if sys.platform == 'win32' and not os.getenv('CONDA_BUILD'):
# This is a hack so users don't need to do many steps for windows install
# Just use the default location.
current_dir = os.path.abspath(os.path.dirname(__file__))
include_dirs += [os.path.join(current_dir, 'src')]
default_bin_dir = os.path.join(current_dir, 'lib')
if not os.path.isdir(default_bin_dir):
raise RuntimeError('default binary dir {} does not exist, you may need to build the C library in release mode'.format(default_bin_dir))
library_dirs += [default_bin_dir]
class cmd_clean(distutils.command.clean.clean):
def run(self):
import glob
with open('.clean', 'r') as f:
ignores = f.read()
for wildcard in filter(bool, ignores.split('\n')):
for filename in glob.glob(wildcard):
try:
os.remove(filename)
except OSError:
shutil.rmtree(filename, ignore_errors=True)
# It's an old-style class in Python 2.7...
distutils.command.clean.clean.run(self)
ea = []
if sys.platform in ('darwin', 'linux'):
# Silence unused stuff warnings
ea = ["-Wno-unused-variable", "-Wno-unused-function"]
exts = [Extension('pygpu.gpuarray',
sources=['pygpu/gpuarray.pyx'],
include_dirs=include_dirs,
libraries=['gpuarray'],
library_dirs=library_dirs,
extra_compile_args=ea,
define_macros=[('GPUARRAY_SHARED', None)]
),
Extension('pygpu.blas',
sources=['pygpu/blas.pyx'],
include_dirs=include_dirs,
libraries=['gpuarray'],
library_dirs=library_dirs,
extra_compile_args=ea,
define_macros=[('GPUARRAY_SHARED', None)]
),
Extension('pygpu._elemwise',
sources=['pygpu/_elemwise.pyx'],
include_dirs=include_dirs,
libraries=['gpuarray'],
library_dirs=library_dirs,
extra_compile_args=ea,
define_macros=[('GPUARRAY_SHARED', None)]
),
Extension('pygpu.collectives',
sources=['pygpu/collectives.pyx'],
include_dirs=include_dirs,
libraries=['gpuarray'],
library_dirs=library_dirs,
extra_compile_args=ea,
define_macros=[('GPUARRAY_SHARED', None)]
)]
cmds = versioneer.get_cmdclass()
cmds["clean"] = cmd_clean
version_data = versioneer.get_versions()
if version_data['error'] is not None:
raise ValueError("Can't determine version for build: %s\n Please make sure that your git checkout includes tags." % (version_data['error'],))
setup(name='pygpu',
version=version_data['version'],
cmdclass=cmds,
description='numpy-like wrapper on libgpuarray for GPU computations',
packages=['pygpu', 'pygpu/tests'],
include_package_data=True,
package_data={'pygpu': ['gpuarray.h', 'gpuarray_api.h',
'blas_api.h', 'numpy_compat.h',
'collectives.h', 'collectives_api.h']},
ext_modules=cythonize(exts),
install_requires=['mako>=0.7', 'six'],
)
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