Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/pkg_resources/_vendor/packaging/tags.py @ 0:4f3585e2f14b draft default tip
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author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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1 # This file is dual licensed under the terms of the Apache License, Version |
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2 # 2.0, and the BSD License. See the LICENSE file in the root of this repository |
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3 # for complete details. |
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4 |
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5 from __future__ import absolute_import |
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6 |
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7 import distutils.util |
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8 |
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9 try: |
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10 from importlib.machinery import EXTENSION_SUFFIXES |
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11 except ImportError: # pragma: no cover |
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12 import imp |
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13 |
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14 EXTENSION_SUFFIXES = [x[0] for x in imp.get_suffixes()] |
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15 del imp |
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16 import logging |
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17 import os |
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18 import platform |
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19 import re |
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20 import struct |
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21 import sys |
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22 import sysconfig |
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23 import warnings |
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24 |
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25 from ._typing import TYPE_CHECKING, cast |
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26 |
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27 if TYPE_CHECKING: # pragma: no cover |
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28 from typing import ( |
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29 Dict, |
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30 FrozenSet, |
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31 IO, |
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32 Iterable, |
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33 Iterator, |
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34 List, |
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35 Optional, |
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36 Sequence, |
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37 Tuple, |
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38 Union, |
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39 ) |
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40 |
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41 PythonVersion = Sequence[int] |
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42 MacVersion = Tuple[int, int] |
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43 GlibcVersion = Tuple[int, int] |
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44 |
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45 |
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46 logger = logging.getLogger(__name__) |
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47 |
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48 INTERPRETER_SHORT_NAMES = { |
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49 "python": "py", # Generic. |
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50 "cpython": "cp", |
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51 "pypy": "pp", |
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52 "ironpython": "ip", |
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53 "jython": "jy", |
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54 } # type: Dict[str, str] |
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55 |
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56 |
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57 _32_BIT_INTERPRETER = sys.maxsize <= 2 ** 32 |
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58 |
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59 |
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60 class Tag(object): |
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61 """ |
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62 A representation of the tag triple for a wheel. |
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63 |
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64 Instances are considered immutable and thus are hashable. Equality checking |
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65 is also supported. |
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66 """ |
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67 |
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68 __slots__ = ["_interpreter", "_abi", "_platform"] |
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69 |
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70 def __init__(self, interpreter, abi, platform): |
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71 # type: (str, str, str) -> None |
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72 self._interpreter = interpreter.lower() |
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73 self._abi = abi.lower() |
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74 self._platform = platform.lower() |
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75 |
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76 @property |
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77 def interpreter(self): |
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78 # type: () -> str |
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79 return self._interpreter |
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80 |
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81 @property |
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82 def abi(self): |
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83 # type: () -> str |
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84 return self._abi |
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85 |
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86 @property |
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87 def platform(self): |
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88 # type: () -> str |
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89 return self._platform |
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90 |
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91 def __eq__(self, other): |
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92 # type: (object) -> bool |
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93 if not isinstance(other, Tag): |
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94 return NotImplemented |
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95 |
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96 return ( |
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97 (self.platform == other.platform) |
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98 and (self.abi == other.abi) |
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99 and (self.interpreter == other.interpreter) |
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100 ) |
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101 |
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102 def __hash__(self): |
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103 # type: () -> int |
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104 return hash((self._interpreter, self._abi, self._platform)) |
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105 |
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106 def __str__(self): |
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107 # type: () -> str |
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108 return "{}-{}-{}".format(self._interpreter, self._abi, self._platform) |
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109 |
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110 def __repr__(self): |
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111 # type: () -> str |
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112 return "<{self} @ {self_id}>".format(self=self, self_id=id(self)) |
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113 |
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114 |
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115 def parse_tag(tag): |
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116 # type: (str) -> FrozenSet[Tag] |
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117 """ |
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118 Parses the provided tag (e.g. `py3-none-any`) into a frozenset of Tag instances. |
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119 |
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120 Returning a set is required due to the possibility that the tag is a |
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121 compressed tag set. |
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122 """ |
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123 tags = set() |
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124 interpreters, abis, platforms = tag.split("-") |
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125 for interpreter in interpreters.split("."): |
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126 for abi in abis.split("."): |
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127 for platform_ in platforms.split("."): |
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128 tags.add(Tag(interpreter, abi, platform_)) |
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129 return frozenset(tags) |
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130 |
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131 |
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132 def _warn_keyword_parameter(func_name, kwargs): |
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133 # type: (str, Dict[str, bool]) -> bool |
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134 """ |
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135 Backwards-compatibility with Python 2.7 to allow treating 'warn' as keyword-only. |
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136 """ |
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137 if not kwargs: |
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138 return False |
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139 elif len(kwargs) > 1 or "warn" not in kwargs: |
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140 kwargs.pop("warn", None) |
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141 arg = next(iter(kwargs.keys())) |
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142 raise TypeError( |
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143 "{}() got an unexpected keyword argument {!r}".format(func_name, arg) |
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144 ) |
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145 return kwargs["warn"] |
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146 |
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147 |
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148 def _get_config_var(name, warn=False): |
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149 # type: (str, bool) -> Union[int, str, None] |
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150 value = sysconfig.get_config_var(name) |
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151 if value is None and warn: |
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152 logger.debug( |
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153 "Config variable '%s' is unset, Python ABI tag may be incorrect", name |
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154 ) |
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155 return value |
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156 |
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157 |
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158 def _normalize_string(string): |
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159 # type: (str) -> str |
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160 return string.replace(".", "_").replace("-", "_") |
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161 |
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162 |
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163 def _abi3_applies(python_version): |
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164 # type: (PythonVersion) -> bool |
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165 """ |
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166 Determine if the Python version supports abi3. |
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167 |
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168 PEP 384 was first implemented in Python 3.2. |
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169 """ |
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170 return len(python_version) > 1 and tuple(python_version) >= (3, 2) |
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171 |
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172 |
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173 def _cpython_abis(py_version, warn=False): |
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174 # type: (PythonVersion, bool) -> List[str] |
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175 py_version = tuple(py_version) # To allow for version comparison. |
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176 abis = [] |
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177 version = _version_nodot(py_version[:2]) |
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178 debug = pymalloc = ucs4 = "" |
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179 with_debug = _get_config_var("Py_DEBUG", warn) |
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180 has_refcount = hasattr(sys, "gettotalrefcount") |
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181 # Windows doesn't set Py_DEBUG, so checking for support of debug-compiled |
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182 # extension modules is the best option. |
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183 # https://github.com/pypa/pip/issues/3383#issuecomment-173267692 |
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184 has_ext = "_d.pyd" in EXTENSION_SUFFIXES |
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185 if with_debug or (with_debug is None and (has_refcount or has_ext)): |
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186 debug = "d" |
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187 if py_version < (3, 8): |
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188 with_pymalloc = _get_config_var("WITH_PYMALLOC", warn) |
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189 if with_pymalloc or with_pymalloc is None: |
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190 pymalloc = "m" |
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191 if py_version < (3, 3): |
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192 unicode_size = _get_config_var("Py_UNICODE_SIZE", warn) |
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193 if unicode_size == 4 or ( |
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194 unicode_size is None and sys.maxunicode == 0x10FFFF |
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195 ): |
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196 ucs4 = "u" |
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197 elif debug: |
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198 # Debug builds can also load "normal" extension modules. |
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199 # We can also assume no UCS-4 or pymalloc requirement. |
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200 abis.append("cp{version}".format(version=version)) |
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201 abis.insert( |
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202 0, |
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203 "cp{version}{debug}{pymalloc}{ucs4}".format( |
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204 version=version, debug=debug, pymalloc=pymalloc, ucs4=ucs4 |
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205 ), |
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206 ) |
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207 return abis |
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208 |
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209 |
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210 def cpython_tags( |
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211 python_version=None, # type: Optional[PythonVersion] |
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212 abis=None, # type: Optional[Iterable[str]] |
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213 platforms=None, # type: Optional[Iterable[str]] |
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214 **kwargs # type: bool |
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215 ): |
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216 # type: (...) -> Iterator[Tag] |
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217 """ |
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218 Yields the tags for a CPython interpreter. |
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219 |
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220 The tags consist of: |
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221 - cp<python_version>-<abi>-<platform> |
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222 - cp<python_version>-abi3-<platform> |
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223 - cp<python_version>-none-<platform> |
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224 - cp<less than python_version>-abi3-<platform> # Older Python versions down to 3.2. |
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225 |
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226 If python_version only specifies a major version then user-provided ABIs and |
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227 the 'none' ABItag will be used. |
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228 |
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229 If 'abi3' or 'none' are specified in 'abis' then they will be yielded at |
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230 their normal position and not at the beginning. |
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231 """ |
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232 warn = _warn_keyword_parameter("cpython_tags", kwargs) |
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233 if not python_version: |
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234 python_version = sys.version_info[:2] |
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235 |
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236 interpreter = "cp{}".format(_version_nodot(python_version[:2])) |
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237 |
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238 if abis is None: |
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239 if len(python_version) > 1: |
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240 abis = _cpython_abis(python_version, warn) |
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241 else: |
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242 abis = [] |
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243 abis = list(abis) |
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244 # 'abi3' and 'none' are explicitly handled later. |
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245 for explicit_abi in ("abi3", "none"): |
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246 try: |
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247 abis.remove(explicit_abi) |
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248 except ValueError: |
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249 pass |
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250 |
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251 platforms = list(platforms or _platform_tags()) |
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252 for abi in abis: |
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253 for platform_ in platforms: |
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254 yield Tag(interpreter, abi, platform_) |
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255 if _abi3_applies(python_version): |
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256 for tag in (Tag(interpreter, "abi3", platform_) for platform_ in platforms): |
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257 yield tag |
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258 for tag in (Tag(interpreter, "none", platform_) for platform_ in platforms): |
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259 yield tag |
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260 |
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261 if _abi3_applies(python_version): |
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262 for minor_version in range(python_version[1] - 1, 1, -1): |
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263 for platform_ in platforms: |
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264 interpreter = "cp{version}".format( |
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265 version=_version_nodot((python_version[0], minor_version)) |
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266 ) |
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267 yield Tag(interpreter, "abi3", platform_) |
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268 |
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269 |
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270 def _generic_abi(): |
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271 # type: () -> Iterator[str] |
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272 abi = sysconfig.get_config_var("SOABI") |
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273 if abi: |
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274 yield _normalize_string(abi) |
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275 |
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276 |
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277 def generic_tags( |
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278 interpreter=None, # type: Optional[str] |
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279 abis=None, # type: Optional[Iterable[str]] |
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280 platforms=None, # type: Optional[Iterable[str]] |
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281 **kwargs # type: bool |
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282 ): |
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283 # type: (...) -> Iterator[Tag] |
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284 """ |
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285 Yields the tags for a generic interpreter. |
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286 |
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287 The tags consist of: |
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288 - <interpreter>-<abi>-<platform> |
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289 |
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290 The "none" ABI will be added if it was not explicitly provided. |
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291 """ |
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292 warn = _warn_keyword_parameter("generic_tags", kwargs) |
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293 if not interpreter: |
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294 interp_name = interpreter_name() |
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295 interp_version = interpreter_version(warn=warn) |
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296 interpreter = "".join([interp_name, interp_version]) |
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297 if abis is None: |
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298 abis = _generic_abi() |
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299 platforms = list(platforms or _platform_tags()) |
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300 abis = list(abis) |
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301 if "none" not in abis: |
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302 abis.append("none") |
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303 for abi in abis: |
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304 for platform_ in platforms: |
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305 yield Tag(interpreter, abi, platform_) |
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306 |
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307 |
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308 def _py_interpreter_range(py_version): |
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309 # type: (PythonVersion) -> Iterator[str] |
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310 """ |
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311 Yields Python versions in descending order. |
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312 |
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313 After the latest version, the major-only version will be yielded, and then |
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314 all previous versions of that major version. |
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315 """ |
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316 if len(py_version) > 1: |
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317 yield "py{version}".format(version=_version_nodot(py_version[:2])) |
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318 yield "py{major}".format(major=py_version[0]) |
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319 if len(py_version) > 1: |
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320 for minor in range(py_version[1] - 1, -1, -1): |
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321 yield "py{version}".format(version=_version_nodot((py_version[0], minor))) |
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322 |
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323 |
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324 def compatible_tags( |
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325 python_version=None, # type: Optional[PythonVersion] |
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326 interpreter=None, # type: Optional[str] |
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327 platforms=None, # type: Optional[Iterable[str]] |
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328 ): |
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329 # type: (...) -> Iterator[Tag] |
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330 """ |
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331 Yields the sequence of tags that are compatible with a specific version of Python. |
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332 |
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333 The tags consist of: |
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334 - py*-none-<platform> |
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335 - <interpreter>-none-any # ... if `interpreter` is provided. |
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336 - py*-none-any |
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337 """ |
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338 if not python_version: |
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339 python_version = sys.version_info[:2] |
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340 platforms = list(platforms or _platform_tags()) |
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341 for version in _py_interpreter_range(python_version): |
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342 for platform_ in platforms: |
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343 yield Tag(version, "none", platform_) |
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344 if interpreter: |
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345 yield Tag(interpreter, "none", "any") |
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346 for version in _py_interpreter_range(python_version): |
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347 yield Tag(version, "none", "any") |
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348 |
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349 |
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350 def _mac_arch(arch, is_32bit=_32_BIT_INTERPRETER): |
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351 # type: (str, bool) -> str |
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352 if not is_32bit: |
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353 return arch |
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354 |
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355 if arch.startswith("ppc"): |
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356 return "ppc" |
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357 |
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358 return "i386" |
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359 |
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360 |
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361 def _mac_binary_formats(version, cpu_arch): |
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362 # type: (MacVersion, str) -> List[str] |
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363 formats = [cpu_arch] |
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364 if cpu_arch == "x86_64": |
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365 if version < (10, 4): |
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366 return [] |
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367 formats.extend(["intel", "fat64", "fat32"]) |
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368 |
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369 elif cpu_arch == "i386": |
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370 if version < (10, 4): |
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371 return [] |
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372 formats.extend(["intel", "fat32", "fat"]) |
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373 |
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374 elif cpu_arch == "ppc64": |
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375 # TODO: Need to care about 32-bit PPC for ppc64 through 10.2? |
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376 if version > (10, 5) or version < (10, 4): |
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377 return [] |
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378 formats.append("fat64") |
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379 |
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380 elif cpu_arch == "ppc": |
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381 if version > (10, 6): |
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382 return [] |
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383 formats.extend(["fat32", "fat"]) |
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384 |
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385 formats.append("universal") |
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386 return formats |
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387 |
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388 |
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389 def mac_platforms(version=None, arch=None): |
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390 # type: (Optional[MacVersion], Optional[str]) -> Iterator[str] |
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391 """ |
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392 Yields the platform tags for a macOS system. |
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393 |
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394 The `version` parameter is a two-item tuple specifying the macOS version to |
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395 generate platform tags for. The `arch` parameter is the CPU architecture to |
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396 generate platform tags for. Both parameters default to the appropriate value |
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397 for the current system. |
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398 """ |
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399 version_str, _, cpu_arch = platform.mac_ver() # type: ignore |
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400 if version is None: |
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401 version = cast("MacVersion", tuple(map(int, version_str.split(".")[:2]))) |
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402 else: |
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403 version = version |
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404 if arch is None: |
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405 arch = _mac_arch(cpu_arch) |
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406 else: |
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407 arch = arch |
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408 for minor_version in range(version[1], -1, -1): |
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409 compat_version = version[0], minor_version |
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410 binary_formats = _mac_binary_formats(compat_version, arch) |
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411 for binary_format in binary_formats: |
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412 yield "macosx_{major}_{minor}_{binary_format}".format( |
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413 major=compat_version[0], |
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414 minor=compat_version[1], |
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415 binary_format=binary_format, |
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416 ) |
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417 |
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418 |
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419 # From PEP 513. |
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420 def _is_manylinux_compatible(name, glibc_version): |
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421 # type: (str, GlibcVersion) -> bool |
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422 # Check for presence of _manylinux module. |
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423 try: |
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424 import _manylinux # noqa |
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425 |
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426 return bool(getattr(_manylinux, name + "_compatible")) |
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427 except (ImportError, AttributeError): |
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428 # Fall through to heuristic check below. |
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429 pass |
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430 |
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431 return _have_compatible_glibc(*glibc_version) |
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432 |
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433 |
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parents:
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434 def _glibc_version_string(): |
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435 # type: () -> Optional[str] |
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436 # Returns glibc version string, or None if not using glibc. |
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437 return _glibc_version_string_confstr() or _glibc_version_string_ctypes() |
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438 |
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parents:
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439 |
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parents:
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440 def _glibc_version_string_confstr(): |
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441 # type: () -> Optional[str] |
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442 """ |
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443 Primary implementation of glibc_version_string using os.confstr. |
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444 """ |
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445 # os.confstr is quite a bit faster than ctypes.DLL. It's also less likely |
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446 # to be broken or missing. This strategy is used in the standard library |
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447 # platform module. |
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448 # https://github.com/python/cpython/blob/fcf1d003bf4f0100c9d0921ff3d70e1127ca1b71/Lib/platform.py#L175-L183 |
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449 try: |
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450 # os.confstr("CS_GNU_LIBC_VERSION") returns a string like "glibc 2.17". |
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451 version_string = os.confstr( # type: ignore[attr-defined] # noqa: F821 |
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452 "CS_GNU_LIBC_VERSION" |
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453 ) |
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454 assert version_string is not None |
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455 _, version = version_string.split() # type: Tuple[str, str] |
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456 except (AssertionError, AttributeError, OSError, ValueError): |
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457 # os.confstr() or CS_GNU_LIBC_VERSION not available (or a bad value)... |
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458 return None |
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459 return version |
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460 |
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461 |
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462 def _glibc_version_string_ctypes(): |
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463 # type: () -> Optional[str] |
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464 """ |
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465 Fallback implementation of glibc_version_string using ctypes. |
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466 """ |
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467 try: |
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468 import ctypes |
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469 except ImportError: |
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470 return None |
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471 |
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472 # ctypes.CDLL(None) internally calls dlopen(NULL), and as the dlopen |
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473 # manpage says, "If filename is NULL, then the returned handle is for the |
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474 # main program". This way we can let the linker do the work to figure out |
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475 # which libc our process is actually using. |
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476 # |
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477 # Note: typeshed is wrong here so we are ignoring this line. |
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478 process_namespace = ctypes.CDLL(None) # type: ignore |
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479 try: |
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480 gnu_get_libc_version = process_namespace.gnu_get_libc_version |
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481 except AttributeError: |
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482 # Symbol doesn't exist -> therefore, we are not linked to |
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483 # glibc. |
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484 return None |
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485 |
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486 # Call gnu_get_libc_version, which returns a string like "2.5" |
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487 gnu_get_libc_version.restype = ctypes.c_char_p |
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488 version_str = gnu_get_libc_version() # type: str |
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489 # py2 / py3 compatibility: |
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490 if not isinstance(version_str, str): |
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491 version_str = version_str.decode("ascii") |
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492 |
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493 return version_str |
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494 |
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495 |
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496 # Separated out from have_compatible_glibc for easier unit testing. |
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497 def _check_glibc_version(version_str, required_major, minimum_minor): |
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498 # type: (str, int, int) -> bool |
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499 # Parse string and check against requested version. |
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500 # |
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501 # We use a regexp instead of str.split because we want to discard any |
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502 # random junk that might come after the minor version -- this might happen |
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503 # in patched/forked versions of glibc (e.g. Linaro's version of glibc |
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504 # uses version strings like "2.20-2014.11"). See gh-3588. |
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505 m = re.match(r"(?P<major>[0-9]+)\.(?P<minor>[0-9]+)", version_str) |
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506 if not m: |
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507 warnings.warn( |
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508 "Expected glibc version with 2 components major.minor," |
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509 " got: %s" % version_str, |
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510 RuntimeWarning, |
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511 ) |
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512 return False |
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513 return ( |
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514 int(m.group("major")) == required_major |
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515 and int(m.group("minor")) >= minimum_minor |
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516 ) |
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517 |
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518 |
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519 def _have_compatible_glibc(required_major, minimum_minor): |
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520 # type: (int, int) -> bool |
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521 version_str = _glibc_version_string() |
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522 if version_str is None: |
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523 return False |
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524 return _check_glibc_version(version_str, required_major, minimum_minor) |
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525 |
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526 |
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527 # Python does not provide platform information at sufficient granularity to |
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528 # identify the architecture of the running executable in some cases, so we |
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529 # determine it dynamically by reading the information from the running |
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530 # process. This only applies on Linux, which uses the ELF format. |
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531 class _ELFFileHeader(object): |
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532 # https://en.wikipedia.org/wiki/Executable_and_Linkable_Format#File_header |
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533 class _InvalidELFFileHeader(ValueError): |
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534 """ |
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535 An invalid ELF file header was found. |
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536 """ |
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537 |
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538 ELF_MAGIC_NUMBER = 0x7F454C46 |
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539 ELFCLASS32 = 1 |
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540 ELFCLASS64 = 2 |
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541 ELFDATA2LSB = 1 |
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542 ELFDATA2MSB = 2 |
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543 EM_386 = 3 |
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544 EM_S390 = 22 |
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545 EM_ARM = 40 |
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546 EM_X86_64 = 62 |
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547 EF_ARM_ABIMASK = 0xFF000000 |
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548 EF_ARM_ABI_VER5 = 0x05000000 |
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549 EF_ARM_ABI_FLOAT_HARD = 0x00000400 |
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550 |
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551 def __init__(self, file): |
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552 # type: (IO[bytes]) -> None |
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553 def unpack(fmt): |
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554 # type: (str) -> int |
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555 try: |
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556 (result,) = struct.unpack( |
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557 fmt, file.read(struct.calcsize(fmt)) |
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558 ) # type: (int, ) |
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559 except struct.error: |
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560 raise _ELFFileHeader._InvalidELFFileHeader() |
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561 return result |
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562 |
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563 self.e_ident_magic = unpack(">I") |
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564 if self.e_ident_magic != self.ELF_MAGIC_NUMBER: |
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565 raise _ELFFileHeader._InvalidELFFileHeader() |
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566 self.e_ident_class = unpack("B") |
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567 if self.e_ident_class not in {self.ELFCLASS32, self.ELFCLASS64}: |
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568 raise _ELFFileHeader._InvalidELFFileHeader() |
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569 self.e_ident_data = unpack("B") |
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570 if self.e_ident_data not in {self.ELFDATA2LSB, self.ELFDATA2MSB}: |
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571 raise _ELFFileHeader._InvalidELFFileHeader() |
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572 self.e_ident_version = unpack("B") |
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573 self.e_ident_osabi = unpack("B") |
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574 self.e_ident_abiversion = unpack("B") |
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575 self.e_ident_pad = file.read(7) |
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576 format_h = "<H" if self.e_ident_data == self.ELFDATA2LSB else ">H" |
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577 format_i = "<I" if self.e_ident_data == self.ELFDATA2LSB else ">I" |
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578 format_q = "<Q" if self.e_ident_data == self.ELFDATA2LSB else ">Q" |
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579 format_p = format_i if self.e_ident_class == self.ELFCLASS32 else format_q |
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580 self.e_type = unpack(format_h) |
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581 self.e_machine = unpack(format_h) |
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582 self.e_version = unpack(format_i) |
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583 self.e_entry = unpack(format_p) |
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584 self.e_phoff = unpack(format_p) |
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585 self.e_shoff = unpack(format_p) |
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586 self.e_flags = unpack(format_i) |
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587 self.e_ehsize = unpack(format_h) |
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588 self.e_phentsize = unpack(format_h) |
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589 self.e_phnum = unpack(format_h) |
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590 self.e_shentsize = unpack(format_h) |
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591 self.e_shnum = unpack(format_h) |
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592 self.e_shstrndx = unpack(format_h) |
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593 |
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594 |
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595 def _get_elf_header(): |
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596 # type: () -> Optional[_ELFFileHeader] |
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597 try: |
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598 with open(sys.executable, "rb") as f: |
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599 elf_header = _ELFFileHeader(f) |
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600 except (IOError, OSError, TypeError, _ELFFileHeader._InvalidELFFileHeader): |
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601 return None |
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602 return elf_header |
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603 |
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604 |
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605 def _is_linux_armhf(): |
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606 # type: () -> bool |
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607 # hard-float ABI can be detected from the ELF header of the running |
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608 # process |
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609 # https://static.docs.arm.com/ihi0044/g/aaelf32.pdf |
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610 elf_header = _get_elf_header() |
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611 if elf_header is None: |
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612 return False |
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613 result = elf_header.e_ident_class == elf_header.ELFCLASS32 |
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614 result &= elf_header.e_ident_data == elf_header.ELFDATA2LSB |
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615 result &= elf_header.e_machine == elf_header.EM_ARM |
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616 result &= ( |
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617 elf_header.e_flags & elf_header.EF_ARM_ABIMASK |
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618 ) == elf_header.EF_ARM_ABI_VER5 |
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619 result &= ( |
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620 elf_header.e_flags & elf_header.EF_ARM_ABI_FLOAT_HARD |
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621 ) == elf_header.EF_ARM_ABI_FLOAT_HARD |
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622 return result |
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623 |
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624 |
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625 def _is_linux_i686(): |
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626 # type: () -> bool |
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627 elf_header = _get_elf_header() |
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628 if elf_header is None: |
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629 return False |
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630 result = elf_header.e_ident_class == elf_header.ELFCLASS32 |
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631 result &= elf_header.e_ident_data == elf_header.ELFDATA2LSB |
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632 result &= elf_header.e_machine == elf_header.EM_386 |
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633 return result |
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634 |
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635 |
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636 def _have_compatible_manylinux_abi(arch): |
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637 # type: (str) -> bool |
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638 if arch == "armv7l": |
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639 return _is_linux_armhf() |
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640 if arch == "i686": |
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641 return _is_linux_i686() |
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642 return True |
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643 |
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644 |
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645 def _linux_platforms(is_32bit=_32_BIT_INTERPRETER): |
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646 # type: (bool) -> Iterator[str] |
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647 linux = _normalize_string(distutils.util.get_platform()) |
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648 if is_32bit: |
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649 if linux == "linux_x86_64": |
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650 linux = "linux_i686" |
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651 elif linux == "linux_aarch64": |
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652 linux = "linux_armv7l" |
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653 manylinux_support = [] |
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654 _, arch = linux.split("_", 1) |
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655 if _have_compatible_manylinux_abi(arch): |
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656 if arch in {"x86_64", "i686", "aarch64", "armv7l", "ppc64", "ppc64le", "s390x"}: |
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657 manylinux_support.append( |
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658 ("manylinux2014", (2, 17)) |
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659 ) # CentOS 7 w/ glibc 2.17 (PEP 599) |
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660 if arch in {"x86_64", "i686"}: |
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661 manylinux_support.append( |
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662 ("manylinux2010", (2, 12)) |
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663 ) # CentOS 6 w/ glibc 2.12 (PEP 571) |
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664 manylinux_support.append( |
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665 ("manylinux1", (2, 5)) |
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666 ) # CentOS 5 w/ glibc 2.5 (PEP 513) |
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667 manylinux_support_iter = iter(manylinux_support) |
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668 for name, glibc_version in manylinux_support_iter: |
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669 if _is_manylinux_compatible(name, glibc_version): |
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670 yield linux.replace("linux", name) |
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671 break |
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672 # Support for a later manylinux implies support for an earlier version. |
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673 for name, _ in manylinux_support_iter: |
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674 yield linux.replace("linux", name) |
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675 yield linux |
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676 |
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677 |
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678 def _generic_platforms(): |
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679 # type: () -> Iterator[str] |
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680 yield _normalize_string(distutils.util.get_platform()) |
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681 |
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682 |
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683 def _platform_tags(): |
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684 # type: () -> Iterator[str] |
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685 """ |
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686 Provides the platform tags for this installation. |
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687 """ |
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688 if platform.system() == "Darwin": |
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689 return mac_platforms() |
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690 elif platform.system() == "Linux": |
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691 return _linux_platforms() |
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692 else: |
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693 return _generic_platforms() |
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694 |
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695 |
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696 def interpreter_name(): |
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697 # type: () -> str |
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698 """ |
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699 Returns the name of the running interpreter. |
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700 """ |
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701 try: |
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702 name = sys.implementation.name # type: ignore |
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703 except AttributeError: # pragma: no cover |
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704 # Python 2.7 compatibility. |
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705 name = platform.python_implementation().lower() |
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706 return INTERPRETER_SHORT_NAMES.get(name) or name |
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707 |
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708 |
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709 def interpreter_version(**kwargs): |
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710 # type: (bool) -> str |
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711 """ |
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712 Returns the version of the running interpreter. |
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713 """ |
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714 warn = _warn_keyword_parameter("interpreter_version", kwargs) |
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715 version = _get_config_var("py_version_nodot", warn=warn) |
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716 if version: |
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717 version = str(version) |
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718 else: |
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719 version = _version_nodot(sys.version_info[:2]) |
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720 return version |
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721 |
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722 |
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723 def _version_nodot(version): |
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724 # type: (PythonVersion) -> str |
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725 if any(v >= 10 for v in version): |
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726 sep = "_" |
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727 else: |
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728 sep = "" |
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729 return sep.join(map(str, version)) |
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730 |
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731 |
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732 def sys_tags(**kwargs): |
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733 # type: (bool) -> Iterator[Tag] |
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734 """ |
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735 Returns the sequence of tag triples for the running interpreter. |
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736 |
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737 The order of the sequence corresponds to priority order for the |
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738 interpreter, from most to least important. |
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739 """ |
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740 warn = _warn_keyword_parameter("sys_tags", kwargs) |
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741 |
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742 interp_name = interpreter_name() |
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743 if interp_name == "cp": |
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744 for tag in cpython_tags(warn=warn): |
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745 yield tag |
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746 else: |
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747 for tag in generic_tags(): |
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748 yield tag |
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749 |
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750 for tag in compatible_tags(): |
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751 yield tag |