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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 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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)
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