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#!/usr/bin/env python
try:
from setuptools import setup, Extension
except ImportError:
from distutils.core import setup, Extension
import os
import stat
import subprocess
import textwrap
import sys
import platform
is_cpython = platform.python_implementation() == 'CPython'
# this specifies which versions of python we support, pip >= 9 knows to skip
# versions of packages which are not compatible with the running python
PYTHON_REQUIRES = '>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*'
if sys.platform == "darwin":
# Don't create resource files on OS X tar.
os.environ['COPY_EXTENDED_ATTRIBUTES_DISABLE'] = 'true'
os.environ['COPYFILE_DISABLE'] = 'true'
setup_args = {}
def add_command_class(name, cls):
cmdclasses = setup_args.get('cmdclass', {})
cmdclasses[name] = cls
setup_args['cmdclass'] = cmdclasses
from distutils.command.sdist import sdist as sdist_orig
class sdist(sdist_orig):
def run(self):
self.force_manifest = 1
if (sys.platform != "win32" and
os.path.isdir('.git')):
assert os.system("git rev-parse --verify HEAD > .gitrev") == 0
sdist_orig.run(self)
add_command_class('sdist', sdist)
pxd_include_dirs = [
directory for directory, dirs, files
in os.walk(os.path.join('Cython', 'Includes'))
if '__init__.pyx' in files or '__init__.pxd' in files
or directory == os.path.join('Cython', 'Includes')]
pxd_include_patterns = [
p+'/*.pxd' for p in pxd_include_dirs ] + [
p+'/*.pyx' for p in pxd_include_dirs ]
setup_args['package_data'] = {
'Cython.Plex' : ['*.pxd'],
'Cython.Compiler' : ['*.pxd'],
'Cython.Runtime' : ['*.pyx', '*.pxd'],
'Cython.Utility' : ['*.pyx', '*.pxd', '*.c', '*.h', '*.cpp'],
'Cython' : [ p[7:] for p in pxd_include_patterns ],
'Cython.Debugger.Tests': ['codefile', 'cfuncs.c'],
}
# This dict is used for passing extra arguments that are setuptools
# specific to setup
setuptools_extra_args = {}
if 'setuptools' in sys.modules:
setuptools_extra_args['python_requires'] = PYTHON_REQUIRES
setuptools_extra_args['zip_safe'] = False
setuptools_extra_args['entry_points'] = {
'console_scripts': [
'cython = Cython.Compiler.Main:setuptools_main',
'cythonize = Cython.Build.Cythonize:main',
'cygdb = Cython.Debugger.Cygdb:main',
]
}
scripts = []
else:
if os.name == "posix":
scripts = ["bin/cython", "bin/cythonize", "bin/cygdb"]
else:
scripts = ["cython.py", "cythonize.py", "cygdb.py"]
def compile_cython_modules(profile=False, coverage=False, compile_minimal=False, compile_more=False, cython_with_refnanny=False):
source_root = os.path.abspath(os.path.dirname(__file__))
compiled_modules = [
"Cython.Plex.Actions",
"Cython.Plex.Scanners",
"Cython.Compiler.FlowControl",
"Cython.Compiler.Scanning",
"Cython.Compiler.Visitor",
"Cython.Runtime.refnanny",
]
if not compile_minimal:
compiled_modules.extend([
"Cython.Plex.Machines",
"Cython.Plex.Transitions",
"Cython.Plex.DFA",
"Cython.Compiler.Code",
"Cython.Compiler.FusedNode",
"Cython.Compiler.Parsing",
"Cython.Tempita._tempita",
"Cython.StringIOTree",
"Cython.Utils",
])
if compile_more and not compile_minimal:
compiled_modules.extend([
"Cython.Compiler.Lexicon",
"Cython.Compiler.Pythran",
"Cython.Build.Dependencies",
"Cython.Compiler.ParseTreeTransforms",
"Cython.Compiler.Nodes",
"Cython.Compiler.ExprNodes",
"Cython.Compiler.ModuleNode",
"Cython.Compiler.Optimize",
])
from distutils.spawn import find_executable
from distutils.sysconfig import get_python_inc
pgen = find_executable(
'pgen', os.pathsep.join([os.environ['PATH'], os.path.join(get_python_inc(), '..', 'Parser')]))
if not pgen:
sys.stderr.write("Unable to find pgen, not compiling formal grammar.\n")
else:
parser_dir = os.path.join(os.path.dirname(__file__), 'Cython', 'Parser')
grammar = os.path.join(parser_dir, 'Grammar')
subprocess.check_call([
pgen,
os.path.join(grammar),
os.path.join(parser_dir, 'graminit.h'),
os.path.join(parser_dir, 'graminit.c'),
])
cst_pyx = os.path.join(parser_dir, 'ConcreteSyntaxTree.pyx')
if os.stat(grammar)[stat.ST_MTIME] > os.stat(cst_pyx)[stat.ST_MTIME]:
mtime = os.stat(grammar)[stat.ST_MTIME]
os.utime(cst_pyx, (mtime, mtime))
compiled_modules.extend([
"Cython.Parser.ConcreteSyntaxTree",
])
defines = []
if cython_with_refnanny:
defines.append(('CYTHON_REFNANNY', '1'))
if coverage:
defines.append(('CYTHON_TRACE', '1'))
extensions = []
for module in compiled_modules:
source_file = os.path.join(source_root, *module.split('.'))
pyx_source_file = source_file + ".py"
if not os.path.exists(pyx_source_file):
pyx_source_file += "x" # .py -> .pyx
dep_files = []
if os.path.exists(source_file + '.pxd'):
dep_files.append(source_file + '.pxd')
extensions.append(Extension(
module, sources=[pyx_source_file],
define_macros=defines if '.refnanny' not in module else [],
depends=dep_files))
# XXX hack around setuptools quirk for '*.pyx' sources
extensions[-1].sources[0] = pyx_source_file
# optimise build parallelism by starting with the largest modules
extensions.sort(key=lambda ext: os.path.getsize(ext.sources[0]), reverse=True)
from Cython.Distutils.build_ext import build_ext
from Cython.Compiler.Options import get_directive_defaults
get_directive_defaults().update(
language_level=2,
binding=False,
always_allow_keywords=False,
autotestdict=False,
)
if profile:
get_directive_defaults()['profile'] = True
sys.stderr.write("Enabled profiling for the Cython binary modules\n")
if coverage:
get_directive_defaults()['linetrace'] = True
sys.stderr.write("Enabled line tracing and profiling for the Cython binary modules\n")
# not using cythonize() directly to let distutils decide whether building extensions was requested
add_command_class("build_ext", build_ext)
setup_args['ext_modules'] = extensions
def check_option(name):
cli_arg = "--" + name
if cli_arg in sys.argv:
sys.argv.remove(cli_arg)
return True
env_var = name.replace("-", "_").upper()
if os.environ.get(env_var) == "true":
return True
return False
cython_profile = check_option('cython-profile')
cython_coverage = check_option('cython-coverage')
cython_with_refnanny = check_option('cython-with-refnanny')
compile_cython_itself = not check_option('no-cython-compile')
if compile_cython_itself:
cython_compile_more = check_option('cython-compile-all')
cython_compile_minimal = check_option('cython-compile-minimal')
setup_args.update(setuptools_extra_args)
def dev_status(version):
if 'b' in version or 'c' in version:
# 1b1, 1beta1, 2rc1, ...
return 'Development Status :: 4 - Beta'
elif 'a' in version:
# 1a1, 1alpha1, ...
return 'Development Status :: 3 - Alpha'
else:
return 'Development Status :: 5 - Production/Stable'
packages = [
'Cython',
'Cython.Build',
'Cython.Compiler',
'Cython.Runtime',
'Cython.Distutils',
'Cython.Debugger',
'Cython.Debugger.Tests',
'Cython.Plex',
'Cython.Tests',
'Cython.Build.Tests',
'Cython.Compiler.Tests',
'Cython.Utility',
'Cython.Tempita',
'pyximport',
]
def run_build():
if compile_cython_itself and (is_cpython or cython_compile_more or cython_compile_minimal):
compile_cython_modules(cython_profile, cython_coverage, cython_compile_minimal, cython_compile_more, cython_with_refnanny)
from Cython import __version__ as version
setup(
name='Cython',
version=version,
url='https://cython.org/',
author='Robert Bradshaw, Stefan Behnel, Dag Seljebotn, Greg Ewing, et al.',
author_email='cython-devel@python.org',
description="The Cython compiler for writing C extensions in the Python language.",
long_description=textwrap.dedent("""\
The Cython language makes writing C extensions for the Python language as
easy as Python itself. Cython is a source code translator based on Pyrex_,
but supports more cutting edge functionality and optimizations.
The Cython language is a superset of the Python language (almost all Python
code is also valid Cython code), but Cython additionally supports optional
static typing to natively call C functions, operate with C++ classes and
declare fast C types on variables and class attributes. This allows the
compiler to generate very efficient C code from Cython code.
This makes Cython the ideal language for writing glue code for external
C/C++ libraries, and for fast C modules that speed up the execution of
Python code.
Note that for one-time builds, e.g. for CI/testing, on platforms that are not
covered by one of the wheel packages provided on PyPI *and* the pure Python wheel
that we provide is not used, it is substantially faster than a full source build
to install an uncompiled (slower) version of Cython with::
pip install Cython --install-option="--no-cython-compile"
.. _Pyrex: https://www.cosc.canterbury.ac.nz/greg.ewing/python/Pyrex/
"""),
license='Apache-2.0',
classifiers=[
dev_status(version),
"Intended Audience :: Developers",
"License :: OSI Approved :: Apache Software License",
"Operating System :: OS Independent",
"Programming Language :: Python",
"Programming Language :: Python :: 2",
"Programming Language :: Python :: 2.7",
"Programming Language :: Python :: 3",
"Programming Language :: Python :: 3.4",
"Programming Language :: Python :: 3.5",
"Programming Language :: Python :: 3.6",
"Programming Language :: Python :: 3.7",
"Programming Language :: Python :: 3.8",
"Programming Language :: Python :: 3.9",
"Programming Language :: Python :: 3.10",
"Programming Language :: Python :: 3.11",
"Programming Language :: Python :: 3.12",
"Programming Language :: Python :: Implementation :: CPython",
"Programming Language :: Python :: Implementation :: PyPy",
"Programming Language :: C",
"Programming Language :: Cython",
"Topic :: Software Development :: Code Generators",
"Topic :: Software Development :: Compilers",
"Topic :: Software Development :: Libraries :: Python Modules"
],
project_urls={
"Documentation": "https://cython.readthedocs.io/",
"Donate": "https://cython.readthedocs.io/en/latest/src/donating.html",
"Source Code": "https://github.com/cython/cython",
"Bug Tracker": "https://github.com/cython/cython/issues",
"User Group": "https://groups.google.com/g/cython-users",
},
scripts=scripts,
packages=packages,
py_modules=["cython"],
**setup_args
)
if __name__ == '__main__':
run_build()
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