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annotate lib/python3.8/site-packages/pip/_internal/index/package_finder.py @ 0:9e54283cc701 draft

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"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
author guerler
date Mon, 27 Jul 2020 03:47:31 -0400
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1 """Routines related to PyPI, indexes"""
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2
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3 # The following comment should be removed at some point in the future.
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4 # mypy: strict-optional=False
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5
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6 from __future__ import absolute_import
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7
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8 import logging
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9 import re
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10
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11 from pip._vendor.packaging import specifiers
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12 from pip._vendor.packaging.utils import canonicalize_name
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13 from pip._vendor.packaging.version import parse as parse_version
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14
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15 from pip._internal.exceptions import (
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16 BestVersionAlreadyInstalled,
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17 DistributionNotFound,
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18 InvalidWheelFilename,
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19 UnsupportedWheel,
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20 )
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21 from pip._internal.index.collector import parse_links
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22 from pip._internal.models.candidate import InstallationCandidate
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23 from pip._internal.models.format_control import FormatControl
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24 from pip._internal.models.link import Link
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25 from pip._internal.models.selection_prefs import SelectionPreferences
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26 from pip._internal.models.target_python import TargetPython
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27 from pip._internal.models.wheel import Wheel
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28 from pip._internal.utils.filetypes import WHEEL_EXTENSION
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29 from pip._internal.utils.logging import indent_log
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30 from pip._internal.utils.misc import build_netloc
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31 from pip._internal.utils.packaging import check_requires_python
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32 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
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33 from pip._internal.utils.unpacking import SUPPORTED_EXTENSIONS
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34 from pip._internal.utils.urls import url_to_path
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35
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36 if MYPY_CHECK_RUNNING:
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37 from typing import (
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38 FrozenSet, Iterable, List, Optional, Set, Text, Tuple, Union,
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39 )
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40
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41 from pip._vendor.packaging.tags import Tag
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42 from pip._vendor.packaging.version import _BaseVersion
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43
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44 from pip._internal.index.collector import LinkCollector
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45 from pip._internal.models.search_scope import SearchScope
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46 from pip._internal.req import InstallRequirement
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47 from pip._internal.utils.hashes import Hashes
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48
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49 BuildTag = Union[Tuple[()], Tuple[int, str]]
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50 CandidateSortingKey = (
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51 Tuple[int, int, int, _BaseVersion, BuildTag, Optional[int]]
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52 )
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53
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54
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55 __all__ = ['FormatControl', 'BestCandidateResult', 'PackageFinder']
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56
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57
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58 logger = logging.getLogger(__name__)
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59
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60
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61 def _check_link_requires_python(
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62 link, # type: Link
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63 version_info, # type: Tuple[int, int, int]
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64 ignore_requires_python=False, # type: bool
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65 ):
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66 # type: (...) -> bool
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67 """
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68 Return whether the given Python version is compatible with a link's
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69 "Requires-Python" value.
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70
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71 :param version_info: A 3-tuple of ints representing the Python
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72 major-minor-micro version to check.
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73 :param ignore_requires_python: Whether to ignore the "Requires-Python"
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74 value if the given Python version isn't compatible.
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75 """
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76 try:
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77 is_compatible = check_requires_python(
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78 link.requires_python, version_info=version_info,
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79 )
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80 except specifiers.InvalidSpecifier:
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81 logger.debug(
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82 "Ignoring invalid Requires-Python (%r) for link: %s",
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83 link.requires_python, link,
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84 )
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85 else:
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86 if not is_compatible:
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87 version = '.'.join(map(str, version_info))
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88 if not ignore_requires_python:
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89 logger.debug(
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90 'Link requires a different Python (%s not in: %r): %s',
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91 version, link.requires_python, link,
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92 )
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93 return False
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94
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95 logger.debug(
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96 'Ignoring failed Requires-Python check (%s not in: %r) '
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97 'for link: %s',
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98 version, link.requires_python, link,
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99 )
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100
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101 return True
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102
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103
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104 class LinkEvaluator(object):
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105
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106 """
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107 Responsible for evaluating links for a particular project.
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108 """
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109
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110 _py_version_re = re.compile(r'-py([123]\.?[0-9]?)$')
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111
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112 # Don't include an allow_yanked default value to make sure each call
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113 # site considers whether yanked releases are allowed. This also causes
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114 # that decision to be made explicit in the calling code, which helps
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115 # people when reading the code.
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116 def __init__(
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117 self,
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118 project_name, # type: str
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119 canonical_name, # type: str
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120 formats, # type: FrozenSet[str]
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121 target_python, # type: TargetPython
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122 allow_yanked, # type: bool
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123 ignore_requires_python=None, # type: Optional[bool]
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124 ):
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125 # type: (...) -> None
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126 """
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127 :param project_name: The user supplied package name.
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128 :param canonical_name: The canonical package name.
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129 :param formats: The formats allowed for this package. Should be a set
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130 with 'binary' or 'source' or both in it.
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131 :param target_python: The target Python interpreter to use when
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132 evaluating link compatibility. This is used, for example, to
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133 check wheel compatibility, as well as when checking the Python
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134 version, e.g. the Python version embedded in a link filename
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135 (or egg fragment) and against an HTML link's optional PEP 503
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136 "data-requires-python" attribute.
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137 :param allow_yanked: Whether files marked as yanked (in the sense
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138 of PEP 592) are permitted to be candidates for install.
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139 :param ignore_requires_python: Whether to ignore incompatible
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140 PEP 503 "data-requires-python" values in HTML links. Defaults
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141 to False.
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142 """
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143 if ignore_requires_python is None:
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144 ignore_requires_python = False
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145
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146 self._allow_yanked = allow_yanked
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147 self._canonical_name = canonical_name
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148 self._ignore_requires_python = ignore_requires_python
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149 self._formats = formats
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150 self._target_python = target_python
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151
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152 self.project_name = project_name
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153
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154 def evaluate_link(self, link):
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155 # type: (Link) -> Tuple[bool, Optional[Text]]
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156 """
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157 Determine whether a link is a candidate for installation.
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158
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159 :return: A tuple (is_candidate, result), where `result` is (1) a
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160 version string if `is_candidate` is True, and (2) if
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161 `is_candidate` is False, an optional string to log the reason
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162 the link fails to qualify.
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163 """
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164 version = None
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165 if link.is_yanked and not self._allow_yanked:
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166 reason = link.yanked_reason or '<none given>'
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167 # Mark this as a unicode string to prevent "UnicodeEncodeError:
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168 # 'ascii' codec can't encode character" in Python 2 when
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169 # the reason contains non-ascii characters.
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170 return (False, u'yanked for reason: {}'.format(reason))
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171
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172 if link.egg_fragment:
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173 egg_info = link.egg_fragment
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174 ext = link.ext
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175 else:
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176 egg_info, ext = link.splitext()
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177 if not ext:
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178 return (False, 'not a file')
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179 if ext not in SUPPORTED_EXTENSIONS:
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180 return (False, 'unsupported archive format: %s' % ext)
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181 if "binary" not in self._formats and ext == WHEEL_EXTENSION:
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182 reason = 'No binaries permitted for %s' % self.project_name
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183 return (False, reason)
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184 if "macosx10" in link.path and ext == '.zip':
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185 return (False, 'macosx10 one')
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186 if ext == WHEEL_EXTENSION:
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187 try:
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188 wheel = Wheel(link.filename)
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189 except InvalidWheelFilename:
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190 return (False, 'invalid wheel filename')
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191 if canonicalize_name(wheel.name) != self._canonical_name:
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192 reason = 'wrong project name (not %s)' % self.project_name
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193 return (False, reason)
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194
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195 supported_tags = self._target_python.get_tags()
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196 if not wheel.supported(supported_tags):
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197 # Include the wheel's tags in the reason string to
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198 # simplify troubleshooting compatibility issues.
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199 file_tags = wheel.get_formatted_file_tags()
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200 reason = (
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201 "none of the wheel's tags match: {}".format(
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202 ', '.join(file_tags)
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203 )
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204 )
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205 return (False, reason)
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206
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207 version = wheel.version
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208
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209 # This should be up by the self.ok_binary check, but see issue 2700.
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210 if "source" not in self._formats and ext != WHEEL_EXTENSION:
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211 return (False, 'No sources permitted for %s' % self.project_name)
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212
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213 if not version:
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214 version = _extract_version_from_fragment(
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215 egg_info, self._canonical_name,
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216 )
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217 if not version:
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218 return (
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219 False, 'Missing project version for %s' % self.project_name,
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220 )
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221
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222 match = self._py_version_re.search(version)
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223 if match:
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224 version = version[:match.start()]
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225 py_version = match.group(1)
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226 if py_version != self._target_python.py_version:
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227 return (False, 'Python version is incorrect')
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228
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229 supports_python = _check_link_requires_python(
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230 link, version_info=self._target_python.py_version_info,
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231 ignore_requires_python=self._ignore_requires_python,
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232 )
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233 if not supports_python:
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234 # Return None for the reason text to suppress calling
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235 # _log_skipped_link().
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236 return (False, None)
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237
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238 logger.debug('Found link %s, version: %s', link, version)
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239
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240 return (True, version)
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241
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242
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243 def filter_unallowed_hashes(
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244 candidates, # type: List[InstallationCandidate]
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245 hashes, # type: Hashes
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246 project_name, # type: str
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247 ):
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248 # type: (...) -> List[InstallationCandidate]
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249 """
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250 Filter out candidates whose hashes aren't allowed, and return a new
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251 list of candidates.
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252
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253 If at least one candidate has an allowed hash, then all candidates with
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254 either an allowed hash or no hash specified are returned. Otherwise,
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255 the given candidates are returned.
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256
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257 Including the candidates with no hash specified when there is a match
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258 allows a warning to be logged if there is a more preferred candidate
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259 with no hash specified. Returning all candidates in the case of no
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260 matches lets pip report the hash of the candidate that would otherwise
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261 have been installed (e.g. permitting the user to more easily update
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262 their requirements file with the desired hash).
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263 """
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264 if not hashes:
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265 logger.debug(
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266 'Given no hashes to check %s links for project %r: '
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267 'discarding no candidates',
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268 len(candidates),
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269 project_name,
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270 )
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271 # Make sure we're not returning back the given value.
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272 return list(candidates)
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273
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274 matches_or_no_digest = []
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275 # Collect the non-matches for logging purposes.
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276 non_matches = []
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277 match_count = 0
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278 for candidate in candidates:
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279 link = candidate.link
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280 if not link.has_hash:
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281 pass
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282 elif link.is_hash_allowed(hashes=hashes):
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283 match_count += 1
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284 else:
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285 non_matches.append(candidate)
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286 continue
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287
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288 matches_or_no_digest.append(candidate)
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289
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290 if match_count:
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291 filtered = matches_or_no_digest
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292 else:
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293 # Make sure we're not returning back the given value.
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294 filtered = list(candidates)
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295
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296 if len(filtered) == len(candidates):
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297 discard_message = 'discarding no candidates'
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298 else:
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299 discard_message = 'discarding {} non-matches:\n {}'.format(
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300 len(non_matches),
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301 '\n '.join(str(candidate.link) for candidate in non_matches)
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302 )
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303
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304 logger.debug(
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305 'Checked %s links for project %r against %s hashes '
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306 '(%s matches, %s no digest): %s',
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307 len(candidates),
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308 project_name,
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309 hashes.digest_count,
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310 match_count,
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311 len(matches_or_no_digest) - match_count,
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312 discard_message
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313 )
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314
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315 return filtered
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316
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317
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318 class CandidatePreferences(object):
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319
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320 """
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321 Encapsulates some of the preferences for filtering and sorting
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322 InstallationCandidate objects.
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323 """
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324
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325 def __init__(
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326 self,
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327 prefer_binary=False, # type: bool
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328 allow_all_prereleases=False, # type: bool
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329 ):
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330 # type: (...) -> None
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331 """
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332 :param allow_all_prereleases: Whether to allow all pre-releases.
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333 """
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334 self.allow_all_prereleases = allow_all_prereleases
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335 self.prefer_binary = prefer_binary
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336
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337
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338 class BestCandidateResult(object):
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339 """A collection of candidates, returned by `PackageFinder.find_best_candidate`.
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340
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341 This class is only intended to be instantiated by CandidateEvaluator's
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342 `compute_best_candidate()` method.
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343 """
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344
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345 def __init__(
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346 self,
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347 candidates, # type: List[InstallationCandidate]
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348 applicable_candidates, # type: List[InstallationCandidate]
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349 best_candidate, # type: Optional[InstallationCandidate]
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350 ):
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351 # type: (...) -> None
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352 """
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353 :param candidates: A sequence of all available candidates found.
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354 :param applicable_candidates: The applicable candidates.
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355 :param best_candidate: The most preferred candidate found, or None
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356 if no applicable candidates were found.
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357 """
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358 assert set(applicable_candidates) <= set(candidates)
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359
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360 if best_candidate is None:
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361 assert not applicable_candidates
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362 else:
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363 assert best_candidate in applicable_candidates
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364
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365 self._applicable_candidates = applicable_candidates
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366 self._candidates = candidates
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367
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368 self.best_candidate = best_candidate
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369
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370 def iter_all(self):
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371 # type: () -> Iterable[InstallationCandidate]
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372 """Iterate through all candidates.
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373 """
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374 return iter(self._candidates)
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375
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376 def iter_applicable(self):
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377 # type: () -> Iterable[InstallationCandidate]
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378 """Iterate through the applicable candidates.
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379 """
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380 return iter(self._applicable_candidates)
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381
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382
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383 class CandidateEvaluator(object):
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384
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385 """
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386 Responsible for filtering and sorting candidates for installation based
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387 on what tags are valid.
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388 """
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389
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390 @classmethod
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391 def create(
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392 cls,
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393 project_name, # type: str
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394 target_python=None, # type: Optional[TargetPython]
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395 prefer_binary=False, # type: bool
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396 allow_all_prereleases=False, # type: bool
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397 specifier=None, # type: Optional[specifiers.BaseSpecifier]
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398 hashes=None, # type: Optional[Hashes]
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399 ):
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400 # type: (...) -> CandidateEvaluator
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401 """Create a CandidateEvaluator object.
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402
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403 :param target_python: The target Python interpreter to use when
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404 checking compatibility. If None (the default), a TargetPython
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405 object will be constructed from the running Python.
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406 :param specifier: An optional object implementing `filter`
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407 (e.g. `packaging.specifiers.SpecifierSet`) to filter applicable
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408 versions.
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409 :param hashes: An optional collection of allowed hashes.
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410 """
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411 if target_python is None:
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412 target_python = TargetPython()
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413 if specifier is None:
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414 specifier = specifiers.SpecifierSet()
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415
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416 supported_tags = target_python.get_tags()
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417
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418 return cls(
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419 project_name=project_name,
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420 supported_tags=supported_tags,
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421 specifier=specifier,
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422 prefer_binary=prefer_binary,
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423 allow_all_prereleases=allow_all_prereleases,
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424 hashes=hashes,
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425 )
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426
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427 def __init__(
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428 self,
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429 project_name, # type: str
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430 supported_tags, # type: List[Tag]
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431 specifier, # type: specifiers.BaseSpecifier
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432 prefer_binary=False, # type: bool
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433 allow_all_prereleases=False, # type: bool
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434 hashes=None, # type: Optional[Hashes]
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435 ):
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436 # type: (...) -> None
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437 """
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438 :param supported_tags: The PEP 425 tags supported by the target
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439 Python in order of preference (most preferred first).
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440 """
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441 self._allow_all_prereleases = allow_all_prereleases
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442 self._hashes = hashes
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443 self._prefer_binary = prefer_binary
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444 self._project_name = project_name
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445 self._specifier = specifier
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446 self._supported_tags = supported_tags
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447
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448 def get_applicable_candidates(
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449 self,
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450 candidates, # type: List[InstallationCandidate]
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451 ):
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452 # type: (...) -> List[InstallationCandidate]
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453 """
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454 Return the applicable candidates from a list of candidates.
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455 """
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456 # Using None infers from the specifier instead.
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457 allow_prereleases = self._allow_all_prereleases or None
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458 specifier = self._specifier
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459 versions = {
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460 str(v) for v in specifier.filter(
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461 # We turn the version object into a str here because otherwise
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462 # when we're debundled but setuptools isn't, Python will see
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463 # packaging.version.Version and
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464 # pkg_resources._vendor.packaging.version.Version as different
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465 # types. This way we'll use a str as a common data interchange
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466 # format. If we stop using the pkg_resources provided specifier
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467 # and start using our own, we can drop the cast to str().
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468 (str(c.version) for c in candidates),
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469 prereleases=allow_prereleases,
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470 )
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471 }
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472
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473 # Again, converting version to str to deal with debundling.
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474 applicable_candidates = [
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475 c for c in candidates if str(c.version) in versions
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476 ]
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477
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478 filtered_applicable_candidates = filter_unallowed_hashes(
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479 candidates=applicable_candidates,
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480 hashes=self._hashes,
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481 project_name=self._project_name,
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482 )
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483
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484 return sorted(filtered_applicable_candidates, key=self._sort_key)
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485
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486 def _sort_key(self, candidate):
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487 # type: (InstallationCandidate) -> CandidateSortingKey
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488 """
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489 Function to pass as the `key` argument to a call to sorted() to sort
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490 InstallationCandidates by preference.
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491
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492 Returns a tuple such that tuples sorting as greater using Python's
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493 default comparison operator are more preferred.
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494
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495 The preference is as follows:
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496
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497 First and foremost, candidates with allowed (matching) hashes are
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498 always preferred over candidates without matching hashes. This is
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499 because e.g. if the only candidate with an allowed hash is yanked,
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500 we still want to use that candidate.
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501
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502 Second, excepting hash considerations, candidates that have been
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503 yanked (in the sense of PEP 592) are always less preferred than
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504 candidates that haven't been yanked. Then:
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505
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506 If not finding wheels, they are sorted by version only.
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507 If finding wheels, then the sort order is by version, then:
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508 1. existing installs
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509 2. wheels ordered via Wheel.support_index_min(self._supported_tags)
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510 3. source archives
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511 If prefer_binary was set, then all wheels are sorted above sources.
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guerler
parents:
diff changeset
512
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guerler
parents:
diff changeset
513 Note: it was considered to embed this logic into the Link
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guerler
parents:
diff changeset
514 comparison operators, but then different sdist links
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guerler
parents:
diff changeset
515 with the same version, would have to be considered equal
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guerler
parents:
diff changeset
516 """
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guerler
parents:
diff changeset
517 valid_tags = self._supported_tags
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guerler
parents:
diff changeset
518 support_num = len(valid_tags)
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guerler
parents:
diff changeset
519 build_tag = () # type: BuildTag
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guerler
parents:
diff changeset
520 binary_preference = 0
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guerler
parents:
diff changeset
521 link = candidate.link
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guerler
parents:
diff changeset
522 if link.is_wheel:
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guerler
parents:
diff changeset
523 # can raise InvalidWheelFilename
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guerler
parents:
diff changeset
524 wheel = Wheel(link.filename)
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guerler
parents:
diff changeset
525 if not wheel.supported(valid_tags):
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guerler
parents:
diff changeset
526 raise UnsupportedWheel(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
527 "%s is not a supported wheel for this platform. It "
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
528 "can't be sorted." % wheel.filename
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guerler
parents:
diff changeset
529 )
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guerler
parents:
diff changeset
530 if self._prefer_binary:
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parents:
diff changeset
531 binary_preference = 1
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diff changeset
532 pri = -(wheel.support_index_min(valid_tags))
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guerler
parents:
diff changeset
533 if wheel.build_tag is not None:
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parents:
diff changeset
534 match = re.match(r'^(\d+)(.*)$', wheel.build_tag)
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diff changeset
535 build_tag_groups = match.groups()
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parents:
diff changeset
536 build_tag = (int(build_tag_groups[0]), build_tag_groups[1])
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guerler
parents:
diff changeset
537 else: # sdist
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parents:
diff changeset
538 pri = -(support_num)
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guerler
parents:
diff changeset
539 has_allowed_hash = int(link.is_hash_allowed(self._hashes))
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guerler
parents:
diff changeset
540 yank_value = -1 * int(link.is_yanked) # -1 for yanked.
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guerler
parents:
diff changeset
541 return (
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guerler
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diff changeset
542 has_allowed_hash, yank_value, binary_preference, candidate.version,
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guerler
parents:
diff changeset
543 build_tag, pri,
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guerler
parents:
diff changeset
544 )
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guerler
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diff changeset
545
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diff changeset
546 def sort_best_candidate(
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guerler
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diff changeset
547 self,
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diff changeset
548 candidates, # type: List[InstallationCandidate]
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guerler
parents:
diff changeset
549 ):
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diff changeset
550 # type: (...) -> Optional[InstallationCandidate]
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diff changeset
551 """
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diff changeset
552 Return the best candidate per the instance's sort order, or None if
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parents:
diff changeset
553 no candidate is acceptable.
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diff changeset
554 """
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
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diff changeset
555 if not candidates:
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556 return None
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guerler
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diff changeset
557
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558 best_candidate = max(candidates, key=self._sort_key)
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diff changeset
559
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diff changeset
560 # Log a warning per PEP 592 if necessary before returning.
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561 link = best_candidate.link
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diff changeset
562 if link.is_yanked:
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563 reason = link.yanked_reason or '<none given>'
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
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564 msg = (
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
565 # Mark this as a unicode string to prevent
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
566 # "UnicodeEncodeError: 'ascii' codec can't encode character"
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
567 # in Python 2 when the reason contains non-ascii characters.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
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parents:
diff changeset
568 u'The candidate selected for download or install is a '
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
569 'yanked version: {candidate}\n'
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
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diff changeset
570 'Reason for being yanked: {reason}'
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diff changeset
571 ).format(candidate=best_candidate, reason=reason)
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parents:
diff changeset
572 logger.warning(msg)
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diff changeset
573
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574 return best_candidate
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diff changeset
575
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576 def compute_best_candidate(
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guerler
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diff changeset
577 self,
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diff changeset
578 candidates, # type: List[InstallationCandidate]
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diff changeset
579 ):
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diff changeset
580 # type: (...) -> BestCandidateResult
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parents:
diff changeset
581 """
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
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diff changeset
582 Compute and return a `BestCandidateResult` instance.
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parents:
diff changeset
583 """
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diff changeset
584 applicable_candidates = self.get_applicable_candidates(candidates)
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guerler
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diff changeset
585
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guerler
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diff changeset
586 best_candidate = self.sort_best_candidate(applicable_candidates)
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diff changeset
587
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guerler
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diff changeset
588 return BestCandidateResult(
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guerler
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diff changeset
589 candidates,
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guerler
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diff changeset
590 applicable_candidates=applicable_candidates,
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diff changeset
591 best_candidate=best_candidate,
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guerler
parents:
diff changeset
592 )
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guerler
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diff changeset
593
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guerler
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diff changeset
594
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
595 class PackageFinder(object):
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guerler
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diff changeset
596 """This finds packages.
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guerler
parents:
diff changeset
597
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guerler
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diff changeset
598 This is meant to match easy_install's technique for looking for
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
599 packages, by reading pages and looking for appropriate links.
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guerler
parents:
diff changeset
600 """
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guerler
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diff changeset
601
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
602 def __init__(
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guerler
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diff changeset
603 self,
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diff changeset
604 link_collector, # type: LinkCollector
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
605 target_python, # type: TargetPython
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guerler
parents:
diff changeset
606 allow_yanked, # type: bool
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guerler
parents:
diff changeset
607 format_control=None, # type: Optional[FormatControl]
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guerler
parents:
diff changeset
608 candidate_prefs=None, # type: CandidatePreferences
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guerler
parents:
diff changeset
609 ignore_requires_python=None, # type: Optional[bool]
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guerler
parents:
diff changeset
610 ):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
611 # type: (...) -> None
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guerler
parents:
diff changeset
612 """
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
613 This constructor is primarily meant to be used by the create() class
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guerler
parents:
diff changeset
614 method and from tests.
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guerler
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diff changeset
615
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
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diff changeset
616 :param format_control: A FormatControl object, used to control
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
617 the selection of source packages / binary packages when consulting
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
618 the index and links.
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guerler
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diff changeset
619 :param candidate_prefs: Options to use when creating a
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guerler
parents:
diff changeset
620 CandidateEvaluator object.
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guerler
parents:
diff changeset
621 """
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
622 if candidate_prefs is None:
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guerler
parents:
diff changeset
623 candidate_prefs = CandidatePreferences()
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guerler
parents:
diff changeset
624
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guerler
parents:
diff changeset
625 format_control = format_control or FormatControl(set(), set())
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guerler
parents:
diff changeset
626
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
627 self._allow_yanked = allow_yanked
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guerler
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diff changeset
628 self._candidate_prefs = candidate_prefs
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guerler
parents:
diff changeset
629 self._ignore_requires_python = ignore_requires_python
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guerler
parents:
diff changeset
630 self._link_collector = link_collector
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guerler
parents:
diff changeset
631 self._target_python = target_python
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guerler
parents:
diff changeset
632
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guerler
parents:
diff changeset
633 self.format_control = format_control
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guerler
parents:
diff changeset
634
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
635 # These are boring links that have already been logged somehow.
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guerler
parents:
diff changeset
636 self._logged_links = set() # type: Set[Link]
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guerler
parents:
diff changeset
637
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
638 # Don't include an allow_yanked default value to make sure each call
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
639 # site considers whether yanked releases are allowed. This also causes
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
640 # that decision to be made explicit in the calling code, which helps
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
641 # people when reading the code.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
642 @classmethod
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
643 def create(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
644 cls,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
645 link_collector, # type: LinkCollector
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
646 selection_prefs, # type: SelectionPreferences
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
647 target_python=None, # type: Optional[TargetPython]
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
648 ):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
649 # type: (...) -> PackageFinder
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
650 """Create a PackageFinder.
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guerler
parents:
diff changeset
651
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
652 :param selection_prefs: The candidate selection preferences, as a
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
653 SelectionPreferences object.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
654 :param target_python: The target Python interpreter to use when
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
655 checking compatibility. If None (the default), a TargetPython
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
656 object will be constructed from the running Python.
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guerler
parents:
diff changeset
657 """
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
658 if target_python is None:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
659 target_python = TargetPython()
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
660
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
661 candidate_prefs = CandidatePreferences(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
662 prefer_binary=selection_prefs.prefer_binary,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
663 allow_all_prereleases=selection_prefs.allow_all_prereleases,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
664 )
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guerler
parents:
diff changeset
665
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
666 return cls(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
667 candidate_prefs=candidate_prefs,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
668 link_collector=link_collector,
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guerler
parents:
diff changeset
669 target_python=target_python,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
670 allow_yanked=selection_prefs.allow_yanked,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
671 format_control=selection_prefs.format_control,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
672 ignore_requires_python=selection_prefs.ignore_requires_python,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
673 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
674
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guerler
parents:
diff changeset
675 @property
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guerler
parents:
diff changeset
676 def search_scope(self):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
677 # type: () -> SearchScope
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
678 return self._link_collector.search_scope
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guerler
parents:
diff changeset
679
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
680 @search_scope.setter
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guerler
parents:
diff changeset
681 def search_scope(self, search_scope):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
682 # type: (SearchScope) -> None
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
683 self._link_collector.search_scope = search_scope
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
684
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
685 @property
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
686 def find_links(self):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
687 # type: () -> List[str]
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
688 return self._link_collector.find_links
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
689
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
690 @property
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
691 def index_urls(self):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
692 # type: () -> List[str]
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
693 return self.search_scope.index_urls
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guerler
parents:
diff changeset
694
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
695 @property
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
696 def trusted_hosts(self):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
697 # type: () -> Iterable[str]
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
698 for host_port in self._link_collector.session.pip_trusted_origins:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
699 yield build_netloc(*host_port)
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guerler
parents:
diff changeset
700
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
701 @property
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
702 def allow_all_prereleases(self):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
703 # type: () -> bool
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
704 return self._candidate_prefs.allow_all_prereleases
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
705
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
706 def set_allow_all_prereleases(self):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
707 # type: () -> None
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
708 self._candidate_prefs.allow_all_prereleases = True
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guerler
parents:
diff changeset
709
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
710 def make_link_evaluator(self, project_name):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
711 # type: (str) -> LinkEvaluator
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
712 canonical_name = canonicalize_name(project_name)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
713 formats = self.format_control.get_allowed_formats(canonical_name)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
714
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
715 return LinkEvaluator(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
716 project_name=project_name,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
717 canonical_name=canonical_name,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
718 formats=formats,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
719 target_python=self._target_python,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
720 allow_yanked=self._allow_yanked,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
721 ignore_requires_python=self._ignore_requires_python,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
722 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
723
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
724 def _sort_links(self, links):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
725 # type: (Iterable[Link]) -> List[Link]
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
726 """
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
727 Returns elements of links in order, non-egg links first, egg links
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
728 second, while eliminating duplicates
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
729 """
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
730 eggs, no_eggs = [], []
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
731 seen = set() # type: Set[Link]
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
732 for link in links:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
733 if link not in seen:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
734 seen.add(link)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
735 if link.egg_fragment:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
736 eggs.append(link)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
737 else:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
738 no_eggs.append(link)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
739 return no_eggs + eggs
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
740
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
741 def _log_skipped_link(self, link, reason):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
742 # type: (Link, Text) -> None
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
743 if link not in self._logged_links:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
744 # Mark this as a unicode string to prevent "UnicodeEncodeError:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
745 # 'ascii' codec can't encode character" in Python 2 when
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
746 # the reason contains non-ascii characters.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
747 # Also, put the link at the end so the reason is more visible
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
748 # and because the link string is usually very long.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
749 logger.debug(u'Skipping link: %s: %s', reason, link)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
750 self._logged_links.add(link)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
751
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
752 def get_install_candidate(self, link_evaluator, link):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
753 # type: (LinkEvaluator, Link) -> Optional[InstallationCandidate]
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
754 """
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
755 If the link is a candidate for install, convert it to an
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
756 InstallationCandidate and return it. Otherwise, return None.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
757 """
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
758 is_candidate, result = link_evaluator.evaluate_link(link)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
759 if not is_candidate:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
760 if result:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
761 self._log_skipped_link(link, reason=result)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
762 return None
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
763
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
764 return InstallationCandidate(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
765 name=link_evaluator.project_name,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
766 link=link,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
767 # Convert the Text result to str since InstallationCandidate
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
768 # accepts str.
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guerler
parents:
diff changeset
769 version=str(result),
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
770 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
771
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
772 def evaluate_links(self, link_evaluator, links):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
773 # type: (LinkEvaluator, Iterable[Link]) -> List[InstallationCandidate]
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
774 """
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
775 Convert links that are candidates to InstallationCandidate objects.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
776 """
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
777 candidates = []
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
778 for link in self._sort_links(links):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
779 candidate = self.get_install_candidate(link_evaluator, link)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
780 if candidate is not None:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
781 candidates.append(candidate)
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guerler
parents:
diff changeset
782
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
783 return candidates
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guerler
parents:
diff changeset
784
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
785 def process_project_url(self, project_url, link_evaluator):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
786 # type: (Link, LinkEvaluator) -> List[InstallationCandidate]
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guerler
parents:
diff changeset
787 logger.debug(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
788 'Fetching project page and analyzing links: %s', project_url,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
789 )
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guerler
parents:
diff changeset
790 html_page = self._link_collector.fetch_page(project_url)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
791 if html_page is None:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
792 return []
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guerler
parents:
diff changeset
793
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guerler
parents:
diff changeset
794 page_links = list(parse_links(html_page))
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
795
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
796 with indent_log():
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guerler
parents:
diff changeset
797 package_links = self.evaluate_links(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
798 link_evaluator,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
799 links=page_links,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
800 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
801
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guerler
parents:
diff changeset
802 return package_links
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guerler
parents:
diff changeset
803
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guerler
parents:
diff changeset
804 def find_all_candidates(self, project_name):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
805 # type: (str) -> List[InstallationCandidate]
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
806 """Find all available InstallationCandidate for project_name
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
807
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
808 This checks index_urls and find_links.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
809 All versions found are returned as an InstallationCandidate list.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
810
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
811 See LinkEvaluator.evaluate_link() for details on which files
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
812 are accepted.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
813 """
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
814 collected_links = self._link_collector.collect_links(project_name)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
815
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
816 link_evaluator = self.make_link_evaluator(project_name)
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guerler
parents:
diff changeset
817
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guerler
parents:
diff changeset
818 find_links_versions = self.evaluate_links(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
819 link_evaluator,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
820 links=collected_links.find_links,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
821 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
822
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guerler
parents:
diff changeset
823 page_versions = []
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
824 for project_url in collected_links.project_urls:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
825 package_links = self.process_project_url(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
826 project_url, link_evaluator=link_evaluator,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
827 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
828 page_versions.extend(package_links)
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guerler
parents:
diff changeset
829
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
830 file_versions = self.evaluate_links(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
831 link_evaluator,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
832 links=collected_links.files,
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guerler
parents:
diff changeset
833 )
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guerler
parents:
diff changeset
834 if file_versions:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
835 file_versions.sort(reverse=True)
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guerler
parents:
diff changeset
836 logger.debug(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
837 'Local files found: %s',
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guerler
parents:
diff changeset
838 ', '.join([
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
839 url_to_path(candidate.link.url)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
840 for candidate in file_versions
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
841 ])
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
842 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
843
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
844 # This is an intentional priority ordering
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
845 return file_versions + find_links_versions + page_versions
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
846
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
847 def make_candidate_evaluator(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
848 self,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
849 project_name, # type: str
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
850 specifier=None, # type: Optional[specifiers.BaseSpecifier]
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
851 hashes=None, # type: Optional[Hashes]
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
852 ):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
853 # type: (...) -> CandidateEvaluator
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
854 """Create a CandidateEvaluator object to use.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
855 """
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
856 candidate_prefs = self._candidate_prefs
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
857 return CandidateEvaluator.create(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
858 project_name=project_name,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
859 target_python=self._target_python,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
860 prefer_binary=candidate_prefs.prefer_binary,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
861 allow_all_prereleases=candidate_prefs.allow_all_prereleases,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
862 specifier=specifier,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
863 hashes=hashes,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
864 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
865
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
866 def find_best_candidate(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
867 self,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
868 project_name, # type: str
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
869 specifier=None, # type: Optional[specifiers.BaseSpecifier]
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
870 hashes=None, # type: Optional[Hashes]
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
871 ):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
872 # type: (...) -> BestCandidateResult
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
873 """Find matches for the given project and specifier.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
874
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
875 :param specifier: An optional object implementing `filter`
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
876 (e.g. `packaging.specifiers.SpecifierSet`) to filter applicable
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
877 versions.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
878
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
879 :return: A `BestCandidateResult` instance.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
880 """
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
881 candidates = self.find_all_candidates(project_name)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
882 candidate_evaluator = self.make_candidate_evaluator(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
883 project_name=project_name,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
884 specifier=specifier,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
885 hashes=hashes,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
886 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
887 return candidate_evaluator.compute_best_candidate(candidates)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
888
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
889 def find_requirement(self, req, upgrade):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
890 # type: (InstallRequirement, bool) -> Optional[Link]
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
891 """Try to find a Link matching req
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
892
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
893 Expects req, an InstallRequirement and upgrade, a boolean
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
894 Returns a Link if found,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
895 Raises DistributionNotFound or BestVersionAlreadyInstalled otherwise
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
896 """
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
897 hashes = req.hashes(trust_internet=False)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
898 best_candidate_result = self.find_best_candidate(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
899 req.name, specifier=req.specifier, hashes=hashes,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
900 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
901 best_candidate = best_candidate_result.best_candidate
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
902
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
903 installed_version = None # type: Optional[_BaseVersion]
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
904 if req.satisfied_by is not None:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
905 installed_version = parse_version(req.satisfied_by.version)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
906
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
907 def _format_versions(cand_iter):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
908 # type: (Iterable[InstallationCandidate]) -> str
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
909 # This repeated parse_version and str() conversion is needed to
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
910 # handle different vendoring sources from pip and pkg_resources.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
911 # If we stop using the pkg_resources provided specifier and start
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
912 # using our own, we can drop the cast to str().
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
913 return ", ".join(sorted(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
914 {str(c.version) for c in cand_iter},
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
915 key=parse_version,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
916 )) or "none"
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
917
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
918 if installed_version is None and best_candidate is None:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
919 logger.critical(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
920 'Could not find a version that satisfies the requirement %s '
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
921 '(from versions: %s)',
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
922 req,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
923 _format_versions(best_candidate_result.iter_all()),
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
924 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
925
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
926 raise DistributionNotFound(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
927 'No matching distribution found for %s' % req
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
928 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
929
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
930 best_installed = False
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
931 if installed_version and (
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
932 best_candidate is None or
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
933 best_candidate.version <= installed_version):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
934 best_installed = True
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
935
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
936 if not upgrade and installed_version is not None:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
937 if best_installed:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
938 logger.debug(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
939 'Existing installed version (%s) is most up-to-date and '
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
940 'satisfies requirement',
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
941 installed_version,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
942 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
943 else:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
944 logger.debug(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
945 'Existing installed version (%s) satisfies requirement '
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
946 '(most up-to-date version is %s)',
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
947 installed_version,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
948 best_candidate.version,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
949 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
950 return None
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
951
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
952 if best_installed:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
953 # We have an existing version, and its the best version
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
954 logger.debug(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
955 'Installed version (%s) is most up-to-date (past versions: '
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
956 '%s)',
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
957 installed_version,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
958 _format_versions(best_candidate_result.iter_applicable()),
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
959 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
960 raise BestVersionAlreadyInstalled
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
961
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
962 logger.debug(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
963 'Using version %s (newest of versions: %s)',
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
964 best_candidate.version,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
965 _format_versions(best_candidate_result.iter_applicable()),
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
966 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
967 return best_candidate.link
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
968
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
969
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
970 def _find_name_version_sep(fragment, canonical_name):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
971 # type: (str, str) -> int
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
972 """Find the separator's index based on the package's canonical name.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
973
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
974 :param fragment: A <package>+<version> filename "fragment" (stem) or
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
975 egg fragment.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
976 :param canonical_name: The package's canonical name.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
977
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
978 This function is needed since the canonicalized name does not necessarily
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
979 have the same length as the egg info's name part. An example::
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
980
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
981 >>> fragment = 'foo__bar-1.0'
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
982 >>> canonical_name = 'foo-bar'
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
983 >>> _find_name_version_sep(fragment, canonical_name)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
984 8
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
985 """
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
986 # Project name and version must be separated by one single dash. Find all
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
987 # occurrences of dashes; if the string in front of it matches the canonical
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
988 # name, this is the one separating the name and version parts.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
989 for i, c in enumerate(fragment):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
990 if c != "-":
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
991 continue
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
992 if canonicalize_name(fragment[:i]) == canonical_name:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
993 return i
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
994 raise ValueError("{} does not match {}".format(fragment, canonical_name))
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
995
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
996
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
997 def _extract_version_from_fragment(fragment, canonical_name):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
998 # type: (str, str) -> Optional[str]
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
999 """Parse the version string from a <package>+<version> filename
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
1000 "fragment" (stem) or egg fragment.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
1001
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
1002 :param fragment: The string to parse. E.g. foo-2.1
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
1003 :param canonical_name: The canonicalized name of the package this
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
1004 belongs to.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
1005 """
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
1006 try:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
1007 version_start = _find_name_version_sep(fragment, canonical_name) + 1
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
1008 except ValueError:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
1009 return None
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
1010 version = fragment[version_start:]
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
1011 if not version:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
1012 return None
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
1013 return version