contrib/python-zstandard/setup.py
author Pierre-Yves David <pierre-yves.david@octobus.net>
Thu, 27 Feb 2020 15:42:04 +0100
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parent 44147 5e84a96d865b
child 48875 6000f5b25c9b
permissions -rwxr-xr-x
nodemap: add a todo list for getting out of experimental This is all the requirement I can think off. More might be added as they emerge. The first ones are mostly simple technical matters that will be taken care of soon. The question about the "status" of the persistent nodemap and the revlogs that will use it requires more discussion and thinking. Differential Revision: https://phab.mercurial-scm.org/D8181
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#!/usr/bin/env python
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# Copyright (c) 2016-present, Gregory Szorc
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# All rights reserved.
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#
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# This software may be modified and distributed under the terms
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# of the BSD license. See the LICENSE file for details.
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from __future__ import print_function
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from distutils.version import LooseVersion
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import os
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import sys
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from setuptools import setup
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# Need change in 1.10 for ffi.from_buffer() to handle all buffer types
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# (like memoryview).
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# Need feature in 1.11 for ffi.gc() to declare size of objects so we avoid
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# garbage collection pitfalls.
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MINIMUM_CFFI_VERSION = "1.11"
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try:
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    import cffi
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    # PyPy (and possibly other distros) have CFFI distributed as part of
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    # them. The install_requires for CFFI below won't work. We need to sniff
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    # out the CFFI version here and reject CFFI if it is too old.
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    cffi_version = LooseVersion(cffi.__version__)
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    if cffi_version < LooseVersion(MINIMUM_CFFI_VERSION):
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        print(
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            "CFFI 1.11 or newer required (%s found); "
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            "not building CFFI backend" % cffi_version,
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            file=sys.stderr,
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        )
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        cffi = None
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except ImportError:
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    cffi = None
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import setup_zstd
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SUPPORT_LEGACY = False
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SYSTEM_ZSTD = False
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WARNINGS_AS_ERRORS = False
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if os.environ.get("ZSTD_WARNINGS_AS_ERRORS", ""):
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    WARNINGS_AS_ERRORS = True
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if "--legacy" in sys.argv:
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    SUPPORT_LEGACY = True
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    sys.argv.remove("--legacy")
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if "--system-zstd" in sys.argv:
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    SYSTEM_ZSTD = True
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    sys.argv.remove("--system-zstd")
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if "--warnings-as-errors" in sys.argv:
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    WARNINGS_AS_ERRORS = True
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    sys.argv.remove("--warning-as-errors")
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# Code for obtaining the Extension instance is in its own module to
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# facilitate reuse in other projects.
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extensions = [
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    setup_zstd.get_c_extension(
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        name="zstd",
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        support_legacy=SUPPORT_LEGACY,
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        system_zstd=SYSTEM_ZSTD,
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        warnings_as_errors=WARNINGS_AS_ERRORS,
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    ),
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]
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install_requires = []
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if cffi:
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    import make_cffi
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    extensions.append(make_cffi.ffi.distutils_extension())
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    install_requires.append("cffi>=%s" % MINIMUM_CFFI_VERSION)
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version = None
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with open("c-ext/python-zstandard.h", "r") as fh:
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    for line in fh:
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        if not line.startswith("#define PYTHON_ZSTANDARD_VERSION"):
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            continue
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        version = line.split()[2][1:-1]
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        break
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if not version:
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    raise Exception(
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        "could not resolve package version; " "this should never happen"
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    )
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setup(
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    name="zstandard",
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    version=version,
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    description="Zstandard bindings for Python",
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    long_description=open("README.rst", "r").read(),
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    url="https://github.com/indygreg/python-zstandard",
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    author="Gregory Szorc",
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    author_email="gregory.szorc@gmail.com",
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    license="BSD",
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    classifiers=[
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        "Development Status :: 4 - Beta",
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        "Intended Audience :: Developers",
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        "License :: OSI Approved :: BSD License",
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        "Programming Language :: C",
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        "Programming Language :: Python :: 2.7",
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        "Programming Language :: Python :: 3.5",
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        "Programming Language :: Python :: 3.6",
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        "Programming Language :: Python :: 3.7",
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        "Programming Language :: Python :: 3.8",
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    ],
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    keywords="zstandard zstd compression",
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    packages=["zstandard"],
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    ext_modules=extensions,
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    test_suite="tests",
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    install_requires=install_requires,
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    tests_require=["hypothesis"],
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)