annotate contrib/python-zstandard/setup.py @ 44147:5e84a96d865b

python-zstandard: blacken at 80 characters I made this change upstream and it will make it into the next release of python-zstandard. I figured I'd send it Mercurial's way because it will allow us to drop this directory from the black exclusion list. # skip-blame blackening Differential Revision: https://phab.mercurial-scm.org/D7937
author Gregory Szorc <gregory.szorc@gmail.com>
date Wed, 22 Jan 2020 22:23:04 -0800
parents de7838053207
children 6000f5b25c9b
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1 #!/usr/bin/env python
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2 # Copyright (c) 2016-present, Gregory Szorc
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3 # All rights reserved.
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4 #
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5 # This software may be modified and distributed under the terms
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6 # of the BSD license. See the LICENSE file for details.
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7
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8 from __future__ import print_function
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9
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10 from distutils.version import LooseVersion
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11 import os
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12 import sys
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13 from setuptools import setup
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14
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15 # Need change in 1.10 for ffi.from_buffer() to handle all buffer types
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16 # (like memoryview).
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17 # Need feature in 1.11 for ffi.gc() to declare size of objects so we avoid
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18 # garbage collection pitfalls.
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19 MINIMUM_CFFI_VERSION = "1.11"
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20
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21 try:
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22 import cffi
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23
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24 # PyPy (and possibly other distros) have CFFI distributed as part of
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25 # them. The install_requires for CFFI below won't work. We need to sniff
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26 # out the CFFI version here and reject CFFI if it is too old.
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27 cffi_version = LooseVersion(cffi.__version__)
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28 if cffi_version < LooseVersion(MINIMUM_CFFI_VERSION):
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29 print(
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30 "CFFI 1.11 or newer required (%s found); "
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31 "not building CFFI backend" % cffi_version,
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32 file=sys.stderr,
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33 )
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34 cffi = None
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35
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36 except ImportError:
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37 cffi = None
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38
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39 import setup_zstd
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40
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41 SUPPORT_LEGACY = False
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42 SYSTEM_ZSTD = False
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43 WARNINGS_AS_ERRORS = False
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44
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45 if os.environ.get("ZSTD_WARNINGS_AS_ERRORS", ""):
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46 WARNINGS_AS_ERRORS = True
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47
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48 if "--legacy" in sys.argv:
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49 SUPPORT_LEGACY = True
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50 sys.argv.remove("--legacy")
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51
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52 if "--system-zstd" in sys.argv:
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53 SYSTEM_ZSTD = True
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54 sys.argv.remove("--system-zstd")
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55
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56 if "--warnings-as-errors" in sys.argv:
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57 WARNINGS_AS_ERRORS = True
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58 sys.argv.remove("--warning-as-errors")
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59
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60 # Code for obtaining the Extension instance is in its own module to
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61 # facilitate reuse in other projects.
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62 extensions = [
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63 setup_zstd.get_c_extension(
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64 name="zstd",
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65 support_legacy=SUPPORT_LEGACY,
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66 system_zstd=SYSTEM_ZSTD,
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67 warnings_as_errors=WARNINGS_AS_ERRORS,
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68 ),
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69 ]
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70
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71 install_requires = []
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72
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73 if cffi:
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74 import make_cffi
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75
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76 extensions.append(make_cffi.ffi.distutils_extension())
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77 install_requires.append("cffi>=%s" % MINIMUM_CFFI_VERSION)
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78
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79 version = None
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80
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81 with open("c-ext/python-zstandard.h", "r") as fh:
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82 for line in fh:
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83 if not line.startswith("#define PYTHON_ZSTANDARD_VERSION"):
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84 continue
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85
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86 version = line.split()[2][1:-1]
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87 break
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88
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89 if not version:
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90 raise Exception(
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91 "could not resolve package version; " "this should never happen"
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92 )
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93
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94 setup(
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95 name="zstandard",
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96 version=version,
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97 description="Zstandard bindings for Python",
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98 long_description=open("README.rst", "r").read(),
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99 url="https://github.com/indygreg/python-zstandard",
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100 author="Gregory Szorc",
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101 author_email="gregory.szorc@gmail.com",
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102 license="BSD",
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103 classifiers=[
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104 "Development Status :: 4 - Beta",
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105 "Intended Audience :: Developers",
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106 "License :: OSI Approved :: BSD License",
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107 "Programming Language :: C",
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108 "Programming Language :: Python :: 2.7",
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109 "Programming Language :: Python :: 3.5",
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110 "Programming Language :: Python :: 3.6",
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111 "Programming Language :: Python :: 3.7",
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112 "Programming Language :: Python :: 3.8",
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113 ],
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114 keywords="zstandard zstd compression",
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115 packages=["zstandard"],
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116 ext_modules=extensions,
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117 test_suite="tests",
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118 install_requires=install_requires,
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119 tests_require=["hypothesis"],
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120 )