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setup.py
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setup.py
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########################################################################
#
# pyfastnoisesimd
# License: BSD
# Created: August 13, 2017
# C++ Library Author: Jordan Peck - https://github.com/Auburns
# Python Extension Author: Robert A. McLeod - [email protected]
#
########################################################################
# flake8: noqa
from __future__ import print_function
import os
import platform
import re
import tempfile
import subprocess
from distutils.ccompiler import new_compiler
from distutils.command.build import build as _build
from distutils.errors import CCompilerError, DistutilsOptionError
from distutils.sysconfig import customize_compiler
from setuptools import Extension
from setuptools import setup
# `pyfastnoisesimd` version
major_ver = 0
minor_ver = 4
nano_ver = 3
branch = ''
VERSION = f'{major_ver}.{minor_ver}.{nano_ver}.{branch}' if branch else f'{major_ver}.{minor_ver}.{nano_ver}'
# Create the version.py file
open('pyfastnoisesimd/version.py', 'w').write('__version__ = "%s"\n' % VERSION)
# Sources and headers
sources = [
'pyfastnoisesimd/fastnoisesimd/FastNoiseSIMD.cpp',
'pyfastnoisesimd/fastnoisesimd/FastNoiseSIMD_internal.cpp',
'pyfastnoisesimd/fastnoisesimd/FastNoiseSIMD_neon.cpp',
'pyfastnoisesimd/wrapper.cpp',
]
# For (some versions of) `pip`, the first command run is `python setup.py egg_info`
# which crashes if `numpy` is not present, so we protect it here.
try:
from numpy import get_include
inc_dirs = [get_include(), 'pyfastnoisesimd', 'pyfastnoisesimd/fastnoisesimd/']
except ImportError:
print('WARNING: NumPy not installed, it is required for compilation.')
inc_dirs = ['pyfastnoisesimd', 'pyfastnoisesimd/fastnoisesimd/']
lib_dirs = []
libs = []
def_macros = []
with open('README.md') as fh:
long_desc = fh.read()
with open('requirements.txt') as fh:
install_requires = [line.strip('\n') for line in fh.readlines()]
if os.name == 'nt':
extra_cflags = []
avx512 = {
'sources': [
'pyfastnoisesimd/fastnoisesimd/FastNoiseSIMD_avx512.cpp'
],
'cflags': [
'/arch:AVX512', '/arch:AVX512F',
],
}
avx2 = {
'sources': [
'pyfastnoisesimd/fastnoisesimd/FastNoiseSIMD_avx2.cpp'
],
'cflags': [
'/arch:AVX2',
]
}
if platform.machine() == 'AMD64': # 64-bit windows
#`/arch:SSE2` doesn't exist on Windows x64 builds, and generates a needless warnings
sse41 = {
'sources': [
'pyfastnoisesimd/fastnoisesimd/FastNoiseSIMD_sse41.cpp'
],
'cflags': [
],
}
sse2 = {
'sources': [
'pyfastnoisesimd/fastnoisesimd/FastNoiseSIMD_sse2.cpp'
],
'cflags': [
],
}
else: # 32-bit Windows
sse41 = {
'sources': [
'pyfastnoisesimd/fastnoisesimd/FastNoiseSIMD_sse41.cpp'
],
'cflags': [
'/arch:SSE2',
],
}
sse2 = {
'sources': [
'pyfastnoisesimd/fastnoisesimd/FastNoiseSIMD_sse2.cpp'
],
'cflags': [
'/arch:SSE2',
],
}
fma_flags = None
else: # Linux
extra_cflags = ['-std=c++11']
avx512 = {
'sources': [
'pyfastnoisesimd/fastnoisesimd/FastNoiseSIMD_avx512.cpp'
],
'cflags': [
'-std=c++11',
'-mavx512f',
],
}
avx2 = {
'sources': [
'pyfastnoisesimd/fastnoisesimd/FastNoiseSIMD_avx2.cpp'
],
'cflags': [
'-std=c++11',
'-mavx2',
]
}
sse41 = {
'sources': [
'pyfastnoisesimd/fastnoisesimd/FastNoiseSIMD_sse41.cpp'
],
'cflags': [
'-std=c++11',
'-msse4.1',
],
}
sse2 = {
'sources': [
'pyfastnoisesimd/fastnoisesimd/FastNoiseSIMD_sse2.cpp'
],
'cflags': [
'-std=c++11',
'-msse2',
],
}
fma_flags = ['-mfma']
clibs = [
('avx512', avx512),
('avx2', avx2),
('sse41', sse41),
('sse2', sse2),
]
class build(_build):
user_options = _build.user_options + [
('with-avx512=', None, 'Use AVX512 instructions: auto|yes|no'),
('with-avx2=', None, 'Use AVX2 instructions: auto|yes|no'),
('with-sse41=', None, 'Use SSE4.1 instructions: auto|yes|no'),
('with-sse2=', None, 'Use SSE2 instructions: auto|yes|no'),
('with-fma=', None, 'Use FMA instructions: auto|yes|no'),
]
def initialize_options(self):
_build.initialize_options(self)
self.with_avx512 = 'auto'
self.with_avx2 = 'auto'
self.with_sse41 = 'auto'
self.with_sse2 = 'auto'
self.with_fma = 'auto'
def finalize_options(self):
_build.finalize_options(self)
compiler = new_compiler(compiler=self.compiler, verbose=self.verbose)
customize_compiler(compiler)
disabled_libraries = []
# Section for custom limits imposed on the SIMD instruction levels based
# on the installed compiler
plat_compiler = platform.python_compiler()
if plat_compiler.lower().startswith('gcc'):
# Check the installed gcc version, as versions older than 7.0 claim to
# support avx512 but are missing some intrinsics that FastNoiseSIMD calls
output = subprocess.check_output('gcc --version', shell=True)
gcc_version = tuple([int(x) for x in re.findall( b'\d+(?:\.\d+)+', output)[0].split(b'.')])
if gcc_version < (7,2): # Disable AVX512
disabled_libraries.append('avx512')
if gcc_version < (4,7): # Disable AVX2
disabled_libraries.append('avx2')
elif plat_compiler.lower().startswith('msc'):
# No versions of Windows Python support AVX512 yet
# MSVC++ 14.1 _MSC_VER == 1911 (Visual Studio 2017)
# MSVC++ 14.1 _MSC_VER == 1910 (Visual Studio 2017)
# Python 3.5/3.6: MSVC++ 14.0 _MSC_VER == 1900 (Visual Studio 2015)
# Python 3.4: MSVC++ 10.0 _MSC_VER == 1600 (Visual Studio 2010)
# Python 2.7: MSVC++ 9.0 _MSC_VER == 1500 (Visual Studio 2008)
# Here we just assume the user has the platform compiler
msc_version = int(re.findall('v\.\d+', plat_compiler)[0].lstrip('v.'))
# print('FOUND MSVC VERSION: ', msc_version)
# Still not working with MSVC2017 yet with 1915 and Python 3.7, it
# cannot find the function `_mm512_floor_ps`
if msc_version < 1916:
disabled_libraries.append('avx512')
if msc_version < 1900:
disabled_libraries.append('avx2')
# End of SIMD limits
for name, lib in self.distribution.libraries:
val = getattr(self, 'with_' + name)
if val not in ('auto', 'yes', 'no'):
raise DistutilsOptionError('with_%s flag must be auto, yes, '
'or no, not "%s".' % (name, val))
if val == 'no':
disabled_libraries.append(name)
continue
if not self.compiler_has_flags(compiler, name, lib['cflags']):
if val == 'yes':
# Explicitly required but not available.
raise CCompilerError('%s is not supported by your '
'compiler.' % (name, ))
disabled_libraries.append(name)
use_fma = False
if (self.with_fma != 'no' and
('avx512' not in disabled_libraries or
'avx2' not in disabled_libraries)):
if fma_flags is None:
# No flags required.
use_fma = True
elif self.compiler_has_flags(compiler, 'fma', fma_flags):
use_fma = True
avx512['cflags'] += fma_flags
avx2['cflags'] += fma_flags
elif self.with_fma == 'yes':
# Explicitly required but not available.
raise CCompilerError('FMA is not supported by your compiler.')
self.distribution.libraries = [lib
for lib in self.distribution.libraries
if lib[0] not in disabled_libraries]
with open('pyfastnoisesimd/fastnoisesimd/x86_flags.h', 'wb') as fh:
fh.write(b'// This file is generated by setup.py, '
b'do not edit it by hand\n')
for name, lib in self.distribution.libraries:
fh.write(b'#define FN_COMPILE_%b\n' % (name.upper().encode('ascii', )))
if use_fma:
fh.write(b'#define FN_USE_FMA\n')
def compiler_has_flags(self, compiler, name, flags):
cwd = os.getcwd()
with tempfile.TemporaryDirectory() as tmpdir:
os.chdir(tmpdir)
try:
test_file = 'test-%s.cpp' % (name, )
with open(test_file, 'w') as fd:
fd.write('int main(void) { return 0; }')
try:
compiler.compile([test_file], extra_preargs=flags)
except CCompilerError:
self.warn('Compiler does not support %s flags: %s' %
(name, ' '.join(flags)))
return False
finally:
os.chdir(cwd)
return True
# List classifiers:
# https://pypi.python.org/pypi?%3Aaction=list_classifiers
classifiers = """\
Development Status :: 5 - Production/Stable
Intended Audience :: Developers
Intended Audience :: Information Technology
License :: OSI Approved :: BSD License
Programming Language :: Python
Programming Language :: Python :: 3.8
Programming Language :: Python :: 3.9
Programming Language :: Python :: 3.10
Programming Language :: Python :: 3.11
Topic :: Software Development :: Libraries :: Python Modules
Topic :: Multimedia :: Graphics :: 3D Modeling
Operating System :: Microsoft :: Windows
Operating System :: Unix
"""
setup(name = "pyfastnoisesimd",
version = VERSION,
description = 'Python Fast Noise with SIMD',
long_description = long_desc,
long_description_content_type='text/markdown',
classifiers = [c for c in classifiers.split("\n") if c],
author = 'Robert A. McLeod',
author_email = '[email protected]',
maintainer = 'Robert A. McLeod',
maintainer_email = '[email protected]',
url = 'https://github.com/robbmcleod/pyfastnoisesimd',
license = 'https://opensource.org/licenses/BSD-3-Clause',
platforms = ['any'],
libraries = clibs,
cmdclass = {'build': build},
install_requires=install_requires,
ext_modules = [
Extension( "pyfastnoisesimd.extension",
include_dirs=inc_dirs,
define_macros=def_macros,
sources=sources,
library_dirs=lib_dirs,
libraries=libs,
extra_compile_args=extra_cflags),
],
# tests_require=tests_require,
packages = ['pyfastnoisesimd'],
)