Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/packaging/version.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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 from __future__ import absolute_import, division, print_function |
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5 |
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6 import collections |
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7 import itertools |
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8 import re |
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9 import warnings |
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10 |
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11 from ._structures import Infinity, NegativeInfinity |
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12 from ._typing import TYPE_CHECKING |
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13 |
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14 if TYPE_CHECKING: # pragma: no cover |
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15 from typing import Callable, Iterator, List, Optional, SupportsInt, Tuple, Union |
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16 |
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17 from ._structures import InfinityType, NegativeInfinityType |
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18 |
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19 InfiniteTypes = Union[InfinityType, NegativeInfinityType] |
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20 PrePostDevType = Union[InfiniteTypes, Tuple[str, int]] |
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21 SubLocalType = Union[InfiniteTypes, int, str] |
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22 LocalType = Union[ |
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23 NegativeInfinityType, |
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24 Tuple[ |
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25 Union[ |
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26 SubLocalType, |
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27 Tuple[SubLocalType, str], |
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28 Tuple[NegativeInfinityType, SubLocalType], |
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29 ], |
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30 ..., |
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31 ], |
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32 ] |
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33 CmpKey = Tuple[ |
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34 int, Tuple[int, ...], PrePostDevType, PrePostDevType, PrePostDevType, LocalType |
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35 ] |
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36 LegacyCmpKey = Tuple[int, Tuple[str, ...]] |
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37 VersionComparisonMethod = Callable[ |
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38 [Union[CmpKey, LegacyCmpKey], Union[CmpKey, LegacyCmpKey]], bool |
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39 ] |
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40 |
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41 __all__ = ["parse", "Version", "LegacyVersion", "InvalidVersion", "VERSION_PATTERN"] |
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42 |
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43 |
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44 _Version = collections.namedtuple( |
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45 "_Version", ["epoch", "release", "dev", "pre", "post", "local"] |
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46 ) |
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47 |
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48 |
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49 def parse(version): |
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50 # type: (str) -> Union[LegacyVersion, Version] |
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51 """ |
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52 Parse the given version string and return either a :class:`Version` object |
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53 or a :class:`LegacyVersion` object depending on if the given version is |
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54 a valid PEP 440 version or a legacy version. |
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55 """ |
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56 try: |
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57 return Version(version) |
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58 except InvalidVersion: |
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59 return LegacyVersion(version) |
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60 |
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61 |
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62 class InvalidVersion(ValueError): |
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63 """ |
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64 An invalid version was found, users should refer to PEP 440. |
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65 """ |
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66 |
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67 |
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68 class _BaseVersion(object): |
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69 _key = None # type: Union[CmpKey, LegacyCmpKey] |
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70 |
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71 def __hash__(self): |
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72 # type: () -> int |
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73 return hash(self._key) |
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74 |
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75 # Please keep the duplicated `isinstance` check |
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76 # in the six comparisons hereunder |
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77 # unless you find a way to avoid adding overhead function calls. |
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78 def __lt__(self, other): |
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79 # type: (_BaseVersion) -> bool |
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80 if not isinstance(other, _BaseVersion): |
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81 return NotImplemented |
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82 |
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83 return self._key < other._key |
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84 |
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85 def __le__(self, other): |
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86 # type: (_BaseVersion) -> bool |
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87 if not isinstance(other, _BaseVersion): |
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88 return NotImplemented |
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89 |
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90 return self._key <= other._key |
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91 |
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92 def __eq__(self, other): |
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93 # type: (object) -> bool |
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94 if not isinstance(other, _BaseVersion): |
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95 return NotImplemented |
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96 |
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97 return self._key == other._key |
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98 |
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99 def __ge__(self, other): |
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100 # type: (_BaseVersion) -> bool |
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101 if not isinstance(other, _BaseVersion): |
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102 return NotImplemented |
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103 |
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104 return self._key >= other._key |
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105 |
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106 def __gt__(self, other): |
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107 # type: (_BaseVersion) -> bool |
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108 if not isinstance(other, _BaseVersion): |
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109 return NotImplemented |
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110 |
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111 return self._key > other._key |
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112 |
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113 def __ne__(self, other): |
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114 # type: (object) -> bool |
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115 if not isinstance(other, _BaseVersion): |
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116 return NotImplemented |
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117 |
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118 return self._key != other._key |
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119 |
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120 |
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121 class LegacyVersion(_BaseVersion): |
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122 def __init__(self, version): |
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123 # type: (str) -> None |
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124 self._version = str(version) |
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125 self._key = _legacy_cmpkey(self._version) |
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126 |
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127 warnings.warn( |
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128 "Creating a LegacyVersion has been deprecated and will be " |
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129 "removed in the next major release", |
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130 DeprecationWarning, |
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131 ) |
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132 |
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133 def __str__(self): |
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134 # type: () -> str |
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135 return self._version |
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136 |
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137 def __repr__(self): |
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138 # type: () -> str |
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139 return "<LegacyVersion({0})>".format(repr(str(self))) |
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140 |
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141 @property |
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142 def public(self): |
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143 # type: () -> str |
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144 return self._version |
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145 |
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146 @property |
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147 def base_version(self): |
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148 # type: () -> str |
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149 return self._version |
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150 |
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151 @property |
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152 def epoch(self): |
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153 # type: () -> int |
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154 return -1 |
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155 |
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156 @property |
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157 def release(self): |
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158 # type: () -> None |
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159 return None |
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160 |
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161 @property |
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162 def pre(self): |
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163 # type: () -> None |
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164 return None |
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165 |
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166 @property |
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167 def post(self): |
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168 # type: () -> None |
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169 return None |
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170 |
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171 @property |
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172 def dev(self): |
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173 # type: () -> None |
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174 return None |
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175 |
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176 @property |
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177 def local(self): |
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178 # type: () -> None |
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179 return None |
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180 |
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181 @property |
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182 def is_prerelease(self): |
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183 # type: () -> bool |
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184 return False |
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185 |
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186 @property |
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187 def is_postrelease(self): |
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188 # type: () -> bool |
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189 return False |
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190 |
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191 @property |
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192 def is_devrelease(self): |
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193 # type: () -> bool |
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194 return False |
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195 |
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196 |
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197 _legacy_version_component_re = re.compile(r"(\d+ | [a-z]+ | \.| -)", re.VERBOSE) |
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198 |
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199 _legacy_version_replacement_map = { |
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200 "pre": "c", |
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201 "preview": "c", |
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202 "-": "final-", |
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203 "rc": "c", |
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204 "dev": "@", |
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205 } |
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206 |
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207 |
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208 def _parse_version_parts(s): |
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209 # type: (str) -> Iterator[str] |
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210 for part in _legacy_version_component_re.split(s): |
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211 part = _legacy_version_replacement_map.get(part, part) |
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212 |
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213 if not part or part == ".": |
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214 continue |
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215 |
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216 if part[:1] in "0123456789": |
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217 # pad for numeric comparison |
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218 yield part.zfill(8) |
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219 else: |
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220 yield "*" + part |
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221 |
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222 # ensure that alpha/beta/candidate are before final |
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223 yield "*final" |
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224 |
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225 |
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226 def _legacy_cmpkey(version): |
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227 # type: (str) -> LegacyCmpKey |
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228 |
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229 # We hardcode an epoch of -1 here. A PEP 440 version can only have a epoch |
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230 # greater than or equal to 0. This will effectively put the LegacyVersion, |
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231 # which uses the defacto standard originally implemented by setuptools, |
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232 # as before all PEP 440 versions. |
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233 epoch = -1 |
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234 |
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235 # This scheme is taken from pkg_resources.parse_version setuptools prior to |
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236 # it's adoption of the packaging library. |
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237 parts = [] # type: List[str] |
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238 for part in _parse_version_parts(version.lower()): |
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239 if part.startswith("*"): |
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240 # remove "-" before a prerelease tag |
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241 if part < "*final": |
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242 while parts and parts[-1] == "*final-": |
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243 parts.pop() |
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244 |
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245 # remove trailing zeros from each series of numeric parts |
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246 while parts and parts[-1] == "00000000": |
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247 parts.pop() |
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248 |
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249 parts.append(part) |
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250 |
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251 return epoch, tuple(parts) |
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252 |
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253 |
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254 # Deliberately not anchored to the start and end of the string, to make it |
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255 # easier for 3rd party code to reuse |
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256 VERSION_PATTERN = r""" |
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257 v? |
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258 (?: |
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259 (?:(?P<epoch>[0-9]+)!)? # epoch |
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260 (?P<release>[0-9]+(?:\.[0-9]+)*) # release segment |
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261 (?P<pre> # pre-release |
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262 [-_\.]? |
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263 (?P<pre_l>(a|b|c|rc|alpha|beta|pre|preview)) |
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264 [-_\.]? |
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265 (?P<pre_n>[0-9]+)? |
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266 )? |
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267 (?P<post> # post release |
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268 (?:-(?P<post_n1>[0-9]+)) |
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269 | |
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270 (?: |
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271 [-_\.]? |
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272 (?P<post_l>post|rev|r) |
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273 [-_\.]? |
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274 (?P<post_n2>[0-9]+)? |
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275 ) |
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276 )? |
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277 (?P<dev> # dev release |
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278 [-_\.]? |
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279 (?P<dev_l>dev) |
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280 [-_\.]? |
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281 (?P<dev_n>[0-9]+)? |
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282 )? |
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283 ) |
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284 (?:\+(?P<local>[a-z0-9]+(?:[-_\.][a-z0-9]+)*))? # local version |
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285 """ |
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286 |
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287 |
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288 class Version(_BaseVersion): |
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289 |
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290 _regex = re.compile(r"^\s*" + VERSION_PATTERN + r"\s*$", re.VERBOSE | re.IGNORECASE) |
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291 |
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292 def __init__(self, version): |
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293 # type: (str) -> None |
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294 |
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295 # Validate the version and parse it into pieces |
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296 match = self._regex.search(version) |
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297 if not match: |
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298 raise InvalidVersion("Invalid version: '{0}'".format(version)) |
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299 |
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300 # Store the parsed out pieces of the version |
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301 self._version = _Version( |
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302 epoch=int(match.group("epoch")) if match.group("epoch") else 0, |
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303 release=tuple(int(i) for i in match.group("release").split(".")), |
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304 pre=_parse_letter_version(match.group("pre_l"), match.group("pre_n")), |
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305 post=_parse_letter_version( |
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306 match.group("post_l"), match.group("post_n1") or match.group("post_n2") |
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307 ), |
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308 dev=_parse_letter_version(match.group("dev_l"), match.group("dev_n")), |
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309 local=_parse_local_version(match.group("local")), |
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310 ) |
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311 |
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312 # Generate a key which will be used for sorting |
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313 self._key = _cmpkey( |
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314 self._version.epoch, |
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315 self._version.release, |
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316 self._version.pre, |
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317 self._version.post, |
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318 self._version.dev, |
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319 self._version.local, |
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320 ) |
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321 |
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322 def __repr__(self): |
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323 # type: () -> str |
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324 return "<Version({0})>".format(repr(str(self))) |
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325 |
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326 def __str__(self): |
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327 # type: () -> str |
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328 parts = [] |
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329 |
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330 # Epoch |
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331 if self.epoch != 0: |
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332 parts.append("{0}!".format(self.epoch)) |
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333 |
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334 # Release segment |
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335 parts.append(".".join(str(x) for x in self.release)) |
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336 |
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337 # Pre-release |
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338 if self.pre is not None: |
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339 parts.append("".join(str(x) for x in self.pre)) |
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340 |
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341 # Post-release |
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342 if self.post is not None: |
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343 parts.append(".post{0}".format(self.post)) |
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344 |
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345 # Development release |
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346 if self.dev is not None: |
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347 parts.append(".dev{0}".format(self.dev)) |
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348 |
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349 # Local version segment |
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350 if self.local is not None: |
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351 parts.append("+{0}".format(self.local)) |
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352 |
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353 return "".join(parts) |
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354 |
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355 @property |
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356 def epoch(self): |
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357 # type: () -> int |
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358 _epoch = self._version.epoch # type: int |
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359 return _epoch |
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360 |
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361 @property |
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362 def release(self): |
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363 # type: () -> Tuple[int, ...] |
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364 _release = self._version.release # type: Tuple[int, ...] |
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365 return _release |
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366 |
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367 @property |
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368 def pre(self): |
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369 # type: () -> Optional[Tuple[str, int]] |
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370 _pre = self._version.pre # type: Optional[Tuple[str, int]] |
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371 return _pre |
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372 |
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373 @property |
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374 def post(self): |
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375 # type: () -> Optional[Tuple[str, int]] |
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376 return self._version.post[1] if self._version.post else None |
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377 |
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378 @property |
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379 def dev(self): |
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380 # type: () -> Optional[Tuple[str, int]] |
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381 return self._version.dev[1] if self._version.dev else None |
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382 |
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383 @property |
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384 def local(self): |
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385 # type: () -> Optional[str] |
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386 if self._version.local: |
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387 return ".".join(str(x) for x in self._version.local) |
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388 else: |
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389 return None |
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390 |
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391 @property |
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392 def public(self): |
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393 # type: () -> str |
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394 return str(self).split("+", 1)[0] |
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395 |
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396 @property |
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397 def base_version(self): |
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398 # type: () -> str |
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399 parts = [] |
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400 |
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401 # Epoch |
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402 if self.epoch != 0: |
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403 parts.append("{0}!".format(self.epoch)) |
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404 |
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405 # Release segment |
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406 parts.append(".".join(str(x) for x in self.release)) |
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407 |
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408 return "".join(parts) |
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409 |
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410 @property |
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411 def is_prerelease(self): |
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412 # type: () -> bool |
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413 return self.dev is not None or self.pre is not None |
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414 |
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415 @property |
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416 def is_postrelease(self): |
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417 # type: () -> bool |
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418 return self.post is not None |
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419 |
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420 @property |
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421 def is_devrelease(self): |
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422 # type: () -> bool |
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423 return self.dev is not None |
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424 |
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425 @property |
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426 def major(self): |
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427 # type: () -> int |
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428 return self.release[0] if len(self.release) >= 1 else 0 |
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429 |
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430 @property |
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431 def minor(self): |
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432 # type: () -> int |
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433 return self.release[1] if len(self.release) >= 2 else 0 |
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434 |
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435 @property |
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436 def micro(self): |
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437 # type: () -> int |
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438 return self.release[2] if len(self.release) >= 3 else 0 |
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439 |
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440 |
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441 def _parse_letter_version( |
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442 letter, # type: str |
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443 number, # type: Union[str, bytes, SupportsInt] |
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444 ): |
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445 # type: (...) -> Optional[Tuple[str, int]] |
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446 |
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447 if letter: |
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448 # We consider there to be an implicit 0 in a pre-release if there is |
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449 # not a numeral associated with it. |
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450 if number is None: |
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451 number = 0 |
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452 |
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453 # We normalize any letters to their lower case form |
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454 letter = letter.lower() |
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455 |
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456 # We consider some words to be alternate spellings of other words and |
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457 # in those cases we want to normalize the spellings to our preferred |
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458 # spelling. |
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459 if letter == "alpha": |
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460 letter = "a" |
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461 elif letter == "beta": |
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462 letter = "b" |
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463 elif letter in ["c", "pre", "preview"]: |
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464 letter = "rc" |
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465 elif letter in ["rev", "r"]: |
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466 letter = "post" |
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467 |
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468 return letter, int(number) |
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469 if not letter and number: |
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470 # We assume if we are given a number, but we are not given a letter |
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471 # then this is using the implicit post release syntax (e.g. 1.0-1) |
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472 letter = "post" |
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473 |
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474 return letter, int(number) |
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475 |
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476 return None |
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477 |
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478 |
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479 _local_version_separators = re.compile(r"[\._-]") |
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480 |
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481 |
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482 def _parse_local_version(local): |
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483 # type: (str) -> Optional[LocalType] |
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484 """ |
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485 Takes a string like abc.1.twelve and turns it into ("abc", 1, "twelve"). |
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486 """ |
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487 if local is not None: |
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488 return tuple( |
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489 part.lower() if not part.isdigit() else int(part) |
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490 for part in _local_version_separators.split(local) |
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491 ) |
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492 return None |
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493 |
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494 |
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495 def _cmpkey( |
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496 epoch, # type: int |
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497 release, # type: Tuple[int, ...] |
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498 pre, # type: Optional[Tuple[str, int]] |
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499 post, # type: Optional[Tuple[str, int]] |
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500 dev, # type: Optional[Tuple[str, int]] |
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501 local, # type: Optional[Tuple[SubLocalType]] |
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502 ): |
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503 # type: (...) -> CmpKey |
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504 |
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505 # When we compare a release version, we want to compare it with all of the |
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506 # trailing zeros removed. So we'll use a reverse the list, drop all the now |
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507 # leading zeros until we come to something non zero, then take the rest |
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508 # re-reverse it back into the correct order and make it a tuple and use |
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509 # that for our sorting key. |
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510 _release = tuple( |
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511 reversed(list(itertools.dropwhile(lambda x: x == 0, reversed(release)))) |
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512 ) |
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513 |
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514 # We need to "trick" the sorting algorithm to put 1.0.dev0 before 1.0a0. |
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515 # We'll do this by abusing the pre segment, but we _only_ want to do this |
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516 # if there is not a pre or a post segment. If we have one of those then |
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517 # the normal sorting rules will handle this case correctly. |
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518 if pre is None and post is None and dev is not None: |
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519 _pre = NegativeInfinity # type: PrePostDevType |
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520 # Versions without a pre-release (except as noted above) should sort after |
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521 # those with one. |
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522 elif pre is None: |
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523 _pre = Infinity |
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524 else: |
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525 _pre = pre |
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526 |
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527 # Versions without a post segment should sort before those with one. |
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528 if post is None: |
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529 _post = NegativeInfinity # type: PrePostDevType |
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530 |
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531 else: |
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532 _post = post |
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533 |
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534 # Versions without a development segment should sort after those with one. |
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535 if dev is None: |
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536 _dev = Infinity # type: PrePostDevType |
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537 |
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538 else: |
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539 _dev = dev |
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540 |
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541 if local is None: |
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542 # Versions without a local segment should sort before those with one. |
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543 _local = NegativeInfinity # type: LocalType |
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544 else: |
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545 # Versions with a local segment need that segment parsed to implement |
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546 # the sorting rules in PEP440. |
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547 # - Alpha numeric segments sort before numeric segments |
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548 # - Alpha numeric segments sort lexicographically |
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549 # - Numeric segments sort numerically |
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550 # - Shorter versions sort before longer versions when the prefixes |
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551 # match exactly |
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552 _local = tuple( |
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553 (i, "") if isinstance(i, int) else (NegativeInfinity, i) for i in local |
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554 ) |
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555 |
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556 return epoch, _release, _pre, _post, _dev, _local |