setup.py 9.86 KB
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#!/usr/bin/env python
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try:
    from setuptools import setup, Extension
except ImportError:
    from distutils.core import setup, Extension
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import os
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import stat
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import subprocess
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import textwrap
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import sys
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import platform
is_cpython = platform.python_implementation() == 'CPython'
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# 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 = '>=2.6, !=3.0.*, !=3.1.*, !=3.2.*'

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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'

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setup_args = {}

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def add_command_class(name, cls):
    cmdclasses = setup_args.get('cmdclass', {})
    cmdclasses[name] = cls
    setup_args['cmdclass'] = cmdclasses

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from distutils.command.sdist import sdist as sdist_orig
class sdist(sdist_orig):
    def run(self):
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        self.force_manifest = 1
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        if (sys.platform != "win32" and
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            os.path.isdir('.git')):
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            assert os.system("git rev-parse --verify HEAD > .gitrev") == 0
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        sdist_orig.run(self)
add_command_class('sdist', sdist)

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pxd_include_dirs = [
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    directory for directory, dirs, files
    in os.walk(os.path.join('Cython', 'Includes'))
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    if '__init__.pyx' in files or '__init__.pxd' in files
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    or directory == os.path.join('Cython', 'Includes')
    or directory == os.path.join('Cython', 'Includes', 'Deprecated')]
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pxd_include_patterns = [
    p+'/*.pxd' for p in pxd_include_dirs ] + [
    p+'/*.pyx' for p in pxd_include_dirs ]
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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 ],
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    'Cython.Debugger.Tests': ['codefile', 'cfuncs.c'],
}
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# This dict is used for passing extra arguments that are setuptools
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# specific to setup
setuptools_extra_args = {}

if 'setuptools' in sys.modules:
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    setuptools_extra_args['python_requires'] = PYTHON_REQUIRES
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    setuptools_extra_args['zip_safe'] = False
    setuptools_extra_args['entry_points'] = {
        'console_scripts': [
            'cython = Cython.Compiler.Main:setuptools_main',
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            'cythonize = Cython.Build.Cythonize:main',
            'cygdb = Cython.Debugger.Cygdb:main',
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        ]
    }
    scripts = []
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else:
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    if os.name == "posix":
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        scripts = ["bin/cython", "bin/cythonize", "bin/cygdb"]
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    else:
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        scripts = ["cython.py", "cythonize.py", "cygdb.py"]
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def compile_cython_modules(profile=False, compile_more=False, cython_with_refnanny=False):
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    source_root = os.path.abspath(os.path.dirname(__file__))
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    compiled_modules = [
        "Cython.Plex.Scanners",
        "Cython.Plex.Actions",
        "Cython.Compiler.Scanning",
        "Cython.Compiler.Visitor",
        "Cython.Compiler.FlowControl",
        "Cython.Runtime.refnanny",
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        "Cython.Compiler.FusedNode",
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        "Cython.Tempita._tempita",
    ]
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    if compile_more:
        compiled_modules.extend([
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            "Cython.StringIOTree",
            "Cython.Compiler.Code",
            "Cython.Compiler.Lexicon",
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            "Cython.Compiler.Parsing",
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            "Cython.Compiler.Pythran",
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            "Cython.Build.Dependencies",
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            "Cython.Compiler.ParseTreeTransforms",
            "Cython.Compiler.Nodes",
            "Cython.Compiler.ExprNodes",
            "Cython.Compiler.ModuleNode",
            "Cython.Compiler.Optimize",
            ])
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    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:
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        sys.stderr.write("Unable to find pgen, not compiling formal grammar.\n")
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    else:
        parser_dir = os.path.join(os.path.dirname(__file__), 'Cython', 'Parser')
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        grammar = os.path.join(parser_dir, 'Grammar')
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        subprocess.check_call([
            pgen,
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            os.path.join(grammar),
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            os.path.join(parser_dir, 'graminit.h'),
            os.path.join(parser_dir, 'graminit.c'),
            ])
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        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))
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        compiled_modules.extend([
                "Cython.Parser.ConcreteSyntaxTree",
            ])

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    defines = []
    if cython_with_refnanny:
        defines.append(('CYTHON_REFNANNY', '1'))
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    extensions = []
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    for module in compiled_modules:
        source_file = os.path.join(source_root, *module.split('.'))
        if os.path.exists(source_file + ".py"):
            pyx_source_file = source_file + ".py"
        else:
            pyx_source_file = source_file + ".pyx"
        dep_files = []
        if os.path.exists(source_file + '.pxd'):
            dep_files.append(source_file + '.pxd')
        if '.refnanny' in module:
            defines_for_module = []
        else:
            defines_for_module = defines
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        extensions.append(Extension(
            module, sources=[pyx_source_file],
            define_macros=defines_for_module,
            depends=dep_files))
        # XXX hack around setuptools quirk for '*.pyx' sources
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        extensions[-1].sources[0] = pyx_source_file

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    from Cython.Distutils.build_ext import new_build_ext
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    from Cython.Compiler.Options import get_directive_defaults
    get_directive_defaults()['language_level'] = 2
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    if profile:
        get_directive_defaults()['profile'] = True
        sys.stderr.write("Enabled profiling for the Cython binary modules\n")
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    # not using cythonize() directly to let distutils decide whether building extensions was requested
    add_command_class("build_ext", new_build_ext)
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    setup_args['ext_modules'] = extensions


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cython_profile = '--cython-profile' in sys.argv
if cython_profile:
    sys.argv.remove('--cython-profile')

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try:
    sys.argv.remove("--cython-compile-all")
    cython_compile_more = True
except ValueError:
    cython_compile_more = False

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try:
    sys.argv.remove("--cython-with-refnanny")
    cython_with_refnanny = True
except ValueError:
    cython_with_refnanny = False

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try:
    sys.argv.remove("--no-cython-compile")
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    compile_cython_itself = False
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except ValueError:
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    compile_cython_itself = True

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if compile_cython_itself and (is_cpython or cython_compile_more):
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    compile_cython_modules(cython_profile, cython_compile_more, cython_with_refnanny)
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setup_args.update(setuptools_extra_args)
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from Cython import __version__ as version
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def dev_status():
    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'


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packages = [
    'Cython',
    'Cython.Build',
    'Cython.Compiler',
    'Cython.Runtime',
    'Cython.Distutils',
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    'Cython.Debugger',
    'Cython.Debugger.Tests',
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    'Cython.Plex',
    'Cython.Tests',
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    'Cython.Build.Tests',
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    'Cython.Compiler.Tests',
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    'Cython.Utility',
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    'Cython.Tempita',
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    'pyximport',
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]

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setup(
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    name='Cython',
    version=version,
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    url='http://cython.org/',
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    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 for 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.

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    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.
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    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.
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    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, it is substantially faster
    than a full source build to install an uncompiled (slower) version of Cython with::
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        pip install Cython --install-option="--no-cython-compile"

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    .. _Pyrex: http://www.cosc.canterbury.ac.nz/greg.ewing/python/Pyrex/
    """),
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    license='Apache',
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    classifiers=[
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        dev_status(),
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        "Intended Audience :: Developers",
        "License :: OSI Approved :: Apache Software License",
        "Operating System :: OS Independent",
        "Programming Language :: Python",
        "Programming Language :: Python :: 2",
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        "Programming Language :: Python :: 2.6",
        "Programming Language :: Python :: 2.7",
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        "Programming Language :: Python :: 3",
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        "Programming Language :: Python :: 3.4",
        "Programming Language :: Python :: 3.5",
        "Programming Language :: Python :: 3.6",
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        "Programming Language :: Python :: 3.7",
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        "Programming Language :: Python :: Implementation :: CPython",
        "Programming Language :: Python :: Implementation :: PyPy",
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        "Programming Language :: C",
        "Programming Language :: Cython",
        "Topic :: Software Development :: Code Generators",
        "Topic :: Software Development :: Compilers",
        "Topic :: Software Development :: Libraries :: Python Modules"
    ],

    scripts=scripts,
    packages=packages,
    py_modules=["cython"],
    **setup_args
)