Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/pip/_internal/req/req_install.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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1 # The following comment should be removed at some point in the future. |
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2 # mypy: strict-optional=False |
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3 |
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4 import logging |
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5 import os |
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6 import shutil |
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7 import sys |
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8 import uuid |
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9 import zipfile |
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10 |
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11 from pip._vendor import pkg_resources, six |
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12 from pip._vendor.packaging.requirements import Requirement |
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13 from pip._vendor.packaging.utils import canonicalize_name |
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14 from pip._vendor.packaging.version import Version |
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15 from pip._vendor.packaging.version import parse as parse_version |
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16 from pip._vendor.pep517.wrappers import Pep517HookCaller |
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17 |
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18 from pip._internal.build_env import NoOpBuildEnvironment |
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19 from pip._internal.exceptions import InstallationError |
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20 from pip._internal.locations import get_scheme |
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21 from pip._internal.models.link import Link |
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22 from pip._internal.operations.build.metadata import generate_metadata |
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23 from pip._internal.operations.build.metadata_legacy import ( |
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24 generate_metadata as generate_metadata_legacy, |
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25 ) |
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26 from pip._internal.operations.install.editable_legacy import ( |
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27 install_editable as install_editable_legacy, |
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28 ) |
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29 from pip._internal.operations.install.legacy import LegacyInstallFailure |
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30 from pip._internal.operations.install.legacy import install as install_legacy |
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31 from pip._internal.operations.install.wheel import install_wheel |
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32 from pip._internal.pyproject import load_pyproject_toml, make_pyproject_path |
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33 from pip._internal.req.req_uninstall import UninstallPathSet |
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34 from pip._internal.utils.deprecation import deprecated |
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35 from pip._internal.utils.direct_url_helpers import direct_url_from_link |
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36 from pip._internal.utils.hashes import Hashes |
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37 from pip._internal.utils.logging import indent_log |
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38 from pip._internal.utils.misc import ( |
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39 ask_path_exists, |
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40 backup_dir, |
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41 display_path, |
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42 dist_in_site_packages, |
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43 dist_in_usersite, |
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44 get_distribution, |
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45 get_installed_version, |
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46 hide_url, |
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47 redact_auth_from_url, |
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48 ) |
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49 from pip._internal.utils.packaging import get_metadata |
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50 from pip._internal.utils.temp_dir import TempDirectory, tempdir_kinds |
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51 from pip._internal.utils.typing import MYPY_CHECK_RUNNING |
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52 from pip._internal.utils.virtualenv import running_under_virtualenv |
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53 from pip._internal.vcs import vcs |
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54 |
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55 if MYPY_CHECK_RUNNING: |
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56 from typing import Any, Dict, Iterable, List, Optional, Sequence, Union |
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57 |
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58 from pip._vendor.packaging.markers import Marker |
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59 from pip._vendor.packaging.specifiers import SpecifierSet |
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60 from pip._vendor.pkg_resources import Distribution |
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61 |
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62 from pip._internal.build_env import BuildEnvironment |
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63 |
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64 |
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65 logger = logging.getLogger(__name__) |
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66 |
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67 |
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68 def _get_dist(metadata_directory): |
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69 # type: (str) -> Distribution |
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70 """Return a pkg_resources.Distribution for the provided |
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71 metadata directory. |
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72 """ |
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73 dist_dir = metadata_directory.rstrip(os.sep) |
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74 |
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75 # Build a PathMetadata object, from path to metadata. :wink: |
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76 base_dir, dist_dir_name = os.path.split(dist_dir) |
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77 metadata = pkg_resources.PathMetadata(base_dir, dist_dir) |
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78 |
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79 # Determine the correct Distribution object type. |
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80 if dist_dir.endswith(".egg-info"): |
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81 dist_cls = pkg_resources.Distribution |
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82 dist_name = os.path.splitext(dist_dir_name)[0] |
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83 else: |
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84 assert dist_dir.endswith(".dist-info") |
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85 dist_cls = pkg_resources.DistInfoDistribution |
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86 dist_name = os.path.splitext(dist_dir_name)[0].split("-")[0] |
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87 |
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88 return dist_cls( |
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89 base_dir, |
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90 project_name=dist_name, |
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91 metadata=metadata, |
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92 ) |
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93 |
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94 |
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95 class InstallRequirement: |
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96 """ |
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97 Represents something that may be installed later on, may have information |
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98 about where to fetch the relevant requirement and also contains logic for |
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99 installing the said requirement. |
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100 """ |
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101 |
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102 def __init__( |
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103 self, |
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104 req, # type: Optional[Requirement] |
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105 comes_from, # type: Optional[Union[str, InstallRequirement]] |
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106 editable=False, # type: bool |
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107 link=None, # type: Optional[Link] |
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108 markers=None, # type: Optional[Marker] |
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109 use_pep517=None, # type: Optional[bool] |
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110 isolated=False, # type: bool |
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111 install_options=None, # type: Optional[List[str]] |
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112 global_options=None, # type: Optional[List[str]] |
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113 hash_options=None, # type: Optional[Dict[str, List[str]]] |
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114 constraint=False, # type: bool |
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115 extras=(), # type: Iterable[str] |
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116 user_supplied=False, # type: bool |
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117 ): |
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118 # type: (...) -> None |
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119 assert req is None or isinstance(req, Requirement), req |
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120 self.req = req |
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121 self.comes_from = comes_from |
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122 self.constraint = constraint |
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123 self.editable = editable |
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124 self.legacy_install_reason = None # type: Optional[int] |
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125 |
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126 # source_dir is the local directory where the linked requirement is |
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127 # located, or unpacked. In case unpacking is needed, creating and |
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128 # populating source_dir is done by the RequirementPreparer. Note this |
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129 # is not necessarily the directory where pyproject.toml or setup.py is |
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130 # located - that one is obtained via unpacked_source_directory. |
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131 self.source_dir = None # type: Optional[str] |
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132 if self.editable: |
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133 assert link |
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134 if link.is_file: |
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135 self.source_dir = os.path.normpath( |
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136 os.path.abspath(link.file_path) |
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137 ) |
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138 |
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139 if link is None and req and req.url: |
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140 # PEP 508 URL requirement |
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141 link = Link(req.url) |
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142 self.link = self.original_link = link |
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143 self.original_link_is_in_wheel_cache = False |
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144 |
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145 # Path to any downloaded or already-existing package. |
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146 self.local_file_path = None # type: Optional[str] |
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147 if self.link and self.link.is_file: |
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148 self.local_file_path = self.link.file_path |
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149 |
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150 if extras: |
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151 self.extras = extras |
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152 elif req: |
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153 self.extras = { |
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154 pkg_resources.safe_extra(extra) for extra in req.extras |
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155 } |
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156 else: |
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157 self.extras = set() |
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158 if markers is None and req: |
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159 markers = req.marker |
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160 self.markers = markers |
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161 |
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162 # This holds the pkg_resources.Distribution object if this requirement |
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163 # is already available: |
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164 self.satisfied_by = None # type: Optional[Distribution] |
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165 # Whether the installation process should try to uninstall an existing |
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166 # distribution before installing this requirement. |
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167 self.should_reinstall = False |
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168 # Temporary build location |
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169 self._temp_build_dir = None # type: Optional[TempDirectory] |
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170 # Set to True after successful installation |
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171 self.install_succeeded = None # type: Optional[bool] |
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172 # Supplied options |
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173 self.install_options = install_options if install_options else [] |
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174 self.global_options = global_options if global_options else [] |
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175 self.hash_options = hash_options if hash_options else {} |
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176 # Set to True after successful preparation of this requirement |
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177 self.prepared = False |
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178 # User supplied requirement are explicitly requested for installation |
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179 # by the user via CLI arguments or requirements files, as opposed to, |
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180 # e.g. dependencies, extras or constraints. |
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181 self.user_supplied = user_supplied |
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182 |
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183 self.isolated = isolated |
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184 self.build_env = NoOpBuildEnvironment() # type: BuildEnvironment |
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185 |
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186 # For PEP 517, the directory where we request the project metadata |
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187 # gets stored. We need this to pass to build_wheel, so the backend |
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188 # can ensure that the wheel matches the metadata (see the PEP for |
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189 # details). |
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190 self.metadata_directory = None # type: Optional[str] |
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191 |
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192 # The static build requirements (from pyproject.toml) |
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193 self.pyproject_requires = None # type: Optional[List[str]] |
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194 |
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195 # Build requirements that we will check are available |
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196 self.requirements_to_check = [] # type: List[str] |
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197 |
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198 # The PEP 517 backend we should use to build the project |
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199 self.pep517_backend = None # type: Optional[Pep517HookCaller] |
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200 |
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201 # Are we using PEP 517 for this requirement? |
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202 # After pyproject.toml has been loaded, the only valid values are True |
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203 # and False. Before loading, None is valid (meaning "use the default"). |
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204 # Setting an explicit value before loading pyproject.toml is supported, |
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205 # but after loading this flag should be treated as read only. |
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206 self.use_pep517 = use_pep517 |
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207 |
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208 # This requirement needs more preparation before it can be built |
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209 self.needs_more_preparation = False |
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210 |
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211 def __str__(self): |
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212 # type: () -> str |
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213 if self.req: |
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214 s = str(self.req) |
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215 if self.link: |
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216 s += ' from {}'.format(redact_auth_from_url(self.link.url)) |
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217 elif self.link: |
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218 s = redact_auth_from_url(self.link.url) |
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219 else: |
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220 s = '<InstallRequirement>' |
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221 if self.satisfied_by is not None: |
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222 s += ' in {}'.format(display_path(self.satisfied_by.location)) |
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223 if self.comes_from: |
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224 if isinstance(self.comes_from, str): |
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225 comes_from = self.comes_from # type: Optional[str] |
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226 else: |
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227 comes_from = self.comes_from.from_path() |
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228 if comes_from: |
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229 s += f' (from {comes_from})' |
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230 return s |
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231 |
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232 def __repr__(self): |
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233 # type: () -> str |
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234 return '<{} object: {} editable={!r}>'.format( |
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235 self.__class__.__name__, str(self), self.editable) |
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236 |
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237 def format_debug(self): |
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238 # type: () -> str |
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239 """An un-tested helper for getting state, for debugging. |
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240 """ |
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241 attributes = vars(self) |
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242 names = sorted(attributes) |
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243 |
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244 state = ( |
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245 "{}={!r}".format(attr, attributes[attr]) for attr in sorted(names) |
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246 ) |
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247 return '<{name} object: {{{state}}}>'.format( |
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248 name=self.__class__.__name__, |
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249 state=", ".join(state), |
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250 ) |
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251 |
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252 # Things that are valid for all kinds of requirements? |
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253 @property |
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254 def name(self): |
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255 # type: () -> Optional[str] |
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256 if self.req is None: |
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257 return None |
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258 return six.ensure_str(pkg_resources.safe_name(self.req.name)) |
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259 |
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260 @property |
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261 def specifier(self): |
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262 # type: () -> SpecifierSet |
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263 return self.req.specifier |
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264 |
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265 @property |
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266 def is_pinned(self): |
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267 # type: () -> bool |
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268 """Return whether I am pinned to an exact version. |
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269 |
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270 For example, some-package==1.2 is pinned; some-package>1.2 is not. |
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271 """ |
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272 specifiers = self.specifier |
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273 return (len(specifiers) == 1 and |
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274 next(iter(specifiers)).operator in {'==', '==='}) |
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275 |
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276 @property |
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277 def installed_version(self): |
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278 # type: () -> Optional[str] |
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279 return get_installed_version(self.name) |
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280 |
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281 def match_markers(self, extras_requested=None): |
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282 # type: (Optional[Iterable[str]]) -> bool |
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283 if not extras_requested: |
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284 # Provide an extra to safely evaluate the markers |
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285 # without matching any extra |
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286 extras_requested = ('',) |
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287 if self.markers is not None: |
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288 return any( |
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289 self.markers.evaluate({'extra': extra}) |
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290 for extra in extras_requested) |
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291 else: |
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292 return True |
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293 |
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294 @property |
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295 def has_hash_options(self): |
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296 # type: () -> bool |
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297 """Return whether any known-good hashes are specified as options. |
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298 |
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299 These activate --require-hashes mode; hashes specified as part of a |
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300 URL do not. |
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301 |
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302 """ |
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303 return bool(self.hash_options) |
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304 |
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305 def hashes(self, trust_internet=True): |
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306 # type: (bool) -> Hashes |
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307 """Return a hash-comparer that considers my option- and URL-based |
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308 hashes to be known-good. |
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309 |
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310 Hashes in URLs--ones embedded in the requirements file, not ones |
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311 downloaded from an index server--are almost peers with ones from |
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312 flags. They satisfy --require-hashes (whether it was implicitly or |
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313 explicitly activated) but do not activate it. md5 and sha224 are not |
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314 allowed in flags, which should nudge people toward good algos. We |
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315 always OR all hashes together, even ones from URLs. |
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316 |
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317 :param trust_internet: Whether to trust URL-based (#md5=...) hashes |
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318 downloaded from the internet, as by populate_link() |
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319 |
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320 """ |
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321 good_hashes = self.hash_options.copy() |
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322 link = self.link if trust_internet else self.original_link |
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323 if link and link.hash: |
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324 good_hashes.setdefault(link.hash_name, []).append(link.hash) |
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325 return Hashes(good_hashes) |
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326 |
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327 def from_path(self): |
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328 # type: () -> Optional[str] |
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329 """Format a nice indicator to show where this "comes from" |
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330 """ |
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331 if self.req is None: |
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332 return None |
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333 s = str(self.req) |
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334 if self.comes_from: |
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335 if isinstance(self.comes_from, str): |
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336 comes_from = self.comes_from |
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337 else: |
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338 comes_from = self.comes_from.from_path() |
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339 if comes_from: |
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340 s += '->' + comes_from |
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341 return s |
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342 |
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343 def ensure_build_location(self, build_dir, autodelete, parallel_builds): |
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344 # type: (str, bool, bool) -> str |
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345 assert build_dir is not None |
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346 if self._temp_build_dir is not None: |
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347 assert self._temp_build_dir.path |
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348 return self._temp_build_dir.path |
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349 if self.req is None: |
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350 # Some systems have /tmp as a symlink which confuses custom |
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351 # builds (such as numpy). Thus, we ensure that the real path |
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352 # is returned. |
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353 self._temp_build_dir = TempDirectory( |
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354 kind=tempdir_kinds.REQ_BUILD, globally_managed=True |
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355 ) |
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356 |
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357 return self._temp_build_dir.path |
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358 |
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359 # This is the only remaining place where we manually determine the path |
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360 # for the temporary directory. It is only needed for editables where |
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361 # it is the value of the --src option. |
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362 |
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363 # When parallel builds are enabled, add a UUID to the build directory |
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364 # name so multiple builds do not interfere with each other. |
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365 dir_name = canonicalize_name(self.name) |
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366 if parallel_builds: |
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367 dir_name = f"{dir_name}_{uuid.uuid4().hex}" |
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368 |
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369 # FIXME: Is there a better place to create the build_dir? (hg and bzr |
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370 # need this) |
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371 if not os.path.exists(build_dir): |
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372 logger.debug('Creating directory %s', build_dir) |
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373 os.makedirs(build_dir) |
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374 actual_build_dir = os.path.join(build_dir, dir_name) |
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375 # `None` indicates that we respect the globally-configured deletion |
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376 # settings, which is what we actually want when auto-deleting. |
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377 delete_arg = None if autodelete else False |
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378 return TempDirectory( |
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379 path=actual_build_dir, |
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380 delete=delete_arg, |
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381 kind=tempdir_kinds.REQ_BUILD, |
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382 globally_managed=True, |
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383 ).path |
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384 |
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385 def _set_requirement(self): |
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386 # type: () -> None |
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387 """Set requirement after generating metadata. |
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388 """ |
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389 assert self.req is None |
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390 assert self.metadata is not None |
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391 assert self.source_dir is not None |
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392 |
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393 # Construct a Requirement object from the generated metadata |
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394 if isinstance(parse_version(self.metadata["Version"]), Version): |
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395 op = "==" |
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396 else: |
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397 op = "===" |
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398 |
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399 self.req = Requirement( |
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400 "".join([ |
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401 self.metadata["Name"], |
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402 op, |
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403 self.metadata["Version"], |
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404 ]) |
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405 ) |
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406 |
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407 def warn_on_mismatching_name(self): |
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408 # type: () -> None |
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409 metadata_name = canonicalize_name(self.metadata["Name"]) |
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410 if canonicalize_name(self.req.name) == metadata_name: |
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411 # Everything is fine. |
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412 return |
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413 |
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414 # If we're here, there's a mismatch. Log a warning about it. |
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415 logger.warning( |
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416 'Generating metadata for package %s ' |
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417 'produced metadata for project name %s. Fix your ' |
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418 '#egg=%s fragments.', |
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419 self.name, metadata_name, self.name |
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420 ) |
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421 self.req = Requirement(metadata_name) |
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422 |
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423 def check_if_exists(self, use_user_site): |
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424 # type: (bool) -> None |
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425 """Find an installed distribution that satisfies or conflicts |
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426 with this requirement, and set self.satisfied_by or |
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427 self.should_reinstall appropriately. |
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428 """ |
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429 if self.req is None: |
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430 return |
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431 existing_dist = get_distribution(self.req.name) |
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432 if not existing_dist: |
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433 return |
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434 |
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435 existing_version = existing_dist.parsed_version |
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436 if not self.req.specifier.contains(existing_version, prereleases=True): |
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437 self.satisfied_by = None |
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438 if use_user_site: |
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439 if dist_in_usersite(existing_dist): |
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440 self.should_reinstall = True |
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441 elif (running_under_virtualenv() and |
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442 dist_in_site_packages(existing_dist)): |
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443 raise InstallationError( |
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444 "Will not install to the user site because it will " |
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445 "lack sys.path precedence to {} in {}".format( |
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446 existing_dist.project_name, existing_dist.location) |
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447 ) |
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448 else: |
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449 self.should_reinstall = True |
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450 else: |
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451 if self.editable: |
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452 self.should_reinstall = True |
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453 # when installing editables, nothing pre-existing should ever |
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454 # satisfy |
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455 self.satisfied_by = None |
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456 else: |
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457 self.satisfied_by = existing_dist |
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458 |
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459 # Things valid for wheels |
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460 @property |
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461 def is_wheel(self): |
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462 # type: () -> bool |
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463 if not self.link: |
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464 return False |
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465 return self.link.is_wheel |
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466 |
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467 # Things valid for sdists |
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468 @property |
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469 def unpacked_source_directory(self): |
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470 # type: () -> str |
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471 return os.path.join( |
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472 self.source_dir, |
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473 self.link and self.link.subdirectory_fragment or '') |
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474 |
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475 @property |
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476 def setup_py_path(self): |
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477 # type: () -> str |
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478 assert self.source_dir, f"No source dir for {self}" |
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479 setup_py = os.path.join(self.unpacked_source_directory, 'setup.py') |
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480 |
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481 return setup_py |
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482 |
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483 @property |
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484 def pyproject_toml_path(self): |
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485 # type: () -> str |
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486 assert self.source_dir, f"No source dir for {self}" |
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487 return make_pyproject_path(self.unpacked_source_directory) |
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488 |
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489 def load_pyproject_toml(self): |
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490 # type: () -> None |
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491 """Load the pyproject.toml file. |
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492 |
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493 After calling this routine, all of the attributes related to PEP 517 |
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494 processing for this requirement have been set. In particular, the |
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495 use_pep517 attribute can be used to determine whether we should |
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496 follow the PEP 517 or legacy (setup.py) code path. |
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497 """ |
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498 pyproject_toml_data = load_pyproject_toml( |
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499 self.use_pep517, |
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500 self.pyproject_toml_path, |
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501 self.setup_py_path, |
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502 str(self) |
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503 ) |
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504 |
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505 if pyproject_toml_data is None: |
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506 self.use_pep517 = False |
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507 return |
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508 |
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509 self.use_pep517 = True |
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510 requires, backend, check, backend_path = pyproject_toml_data |
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511 self.requirements_to_check = check |
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512 self.pyproject_requires = requires |
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513 self.pep517_backend = Pep517HookCaller( |
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514 self.unpacked_source_directory, backend, backend_path=backend_path, |
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515 ) |
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516 |
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517 def _generate_metadata(self): |
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518 # type: () -> str |
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519 """Invokes metadata generator functions, with the required arguments. |
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520 """ |
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521 if not self.use_pep517: |
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522 assert self.unpacked_source_directory |
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523 |
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524 return generate_metadata_legacy( |
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525 build_env=self.build_env, |
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526 setup_py_path=self.setup_py_path, |
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527 source_dir=self.unpacked_source_directory, |
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528 isolated=self.isolated, |
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529 details=self.name or f"from {self.link}" |
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530 ) |
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531 |
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532 assert self.pep517_backend is not None |
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533 |
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534 return generate_metadata( |
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535 build_env=self.build_env, |
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536 backend=self.pep517_backend, |
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537 ) |
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538 |
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539 def prepare_metadata(self): |
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540 # type: () -> None |
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541 """Ensure that project metadata is available. |
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542 |
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543 Under PEP 517, call the backend hook to prepare the metadata. |
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544 Under legacy processing, call setup.py egg-info. |
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545 """ |
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546 assert self.source_dir |
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547 |
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548 with indent_log(): |
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549 self.metadata_directory = self._generate_metadata() |
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550 |
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551 # Act on the newly generated metadata, based on the name and version. |
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552 if not self.name: |
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553 self._set_requirement() |
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554 else: |
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555 self.warn_on_mismatching_name() |
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556 |
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557 self.assert_source_matches_version() |
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558 |
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559 @property |
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560 def metadata(self): |
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561 # type: () -> Any |
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562 if not hasattr(self, '_metadata'): |
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563 self._metadata = get_metadata(self.get_dist()) |
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564 |
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565 return self._metadata |
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566 |
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567 def get_dist(self): |
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568 # type: () -> Distribution |
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569 return _get_dist(self.metadata_directory) |
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570 |
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571 def assert_source_matches_version(self): |
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572 # type: () -> None |
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573 assert self.source_dir |
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574 version = self.metadata['version'] |
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575 if self.req.specifier and version not in self.req.specifier: |
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576 logger.warning( |
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577 'Requested %s, but installing version %s', |
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578 self, |
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579 version, |
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580 ) |
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581 else: |
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582 logger.debug( |
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583 'Source in %s has version %s, which satisfies requirement %s', |
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584 display_path(self.source_dir), |
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585 version, |
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586 self, |
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587 ) |
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588 |
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589 # For both source distributions and editables |
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590 def ensure_has_source_dir( |
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591 self, |
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592 parent_dir, |
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593 autodelete=False, |
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594 parallel_builds=False, |
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595 ): |
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596 # type: (str, bool, bool) -> None |
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597 """Ensure that a source_dir is set. |
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598 |
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599 This will create a temporary build dir if the name of the requirement |
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600 isn't known yet. |
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601 |
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602 :param parent_dir: The ideal pip parent_dir for the source_dir. |
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603 Generally src_dir for editables and build_dir for sdists. |
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604 :return: self.source_dir |
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605 """ |
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606 if self.source_dir is None: |
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607 self.source_dir = self.ensure_build_location( |
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608 parent_dir, |
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609 autodelete=autodelete, |
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610 parallel_builds=parallel_builds, |
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611 ) |
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612 |
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613 # For editable installations |
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614 def update_editable(self): |
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615 # type: () -> None |
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616 if not self.link: |
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617 logger.debug( |
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618 "Cannot update repository at %s; repository location is " |
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619 "unknown", |
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620 self.source_dir, |
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621 ) |
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622 return |
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623 assert self.editable |
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624 assert self.source_dir |
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625 if self.link.scheme == 'file': |
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626 # Static paths don't get updated |
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627 return |
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628 vcs_backend = vcs.get_backend_for_scheme(self.link.scheme) |
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629 # Editable requirements are validated in Requirement constructors. |
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630 # So here, if it's neither a path nor a valid VCS URL, it's a bug. |
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631 assert vcs_backend, f"Unsupported VCS URL {self.link.url}" |
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632 hidden_url = hide_url(self.link.url) |
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633 vcs_backend.obtain(self.source_dir, url=hidden_url) |
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634 |
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635 # Top-level Actions |
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636 def uninstall(self, auto_confirm=False, verbose=False): |
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637 # type: (bool, bool) -> Optional[UninstallPathSet] |
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638 """ |
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639 Uninstall the distribution currently satisfying this requirement. |
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640 |
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641 Prompts before removing or modifying files unless |
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642 ``auto_confirm`` is True. |
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643 |
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644 Refuses to delete or modify files outside of ``sys.prefix`` - |
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645 thus uninstallation within a virtual environment can only |
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646 modify that virtual environment, even if the virtualenv is |
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647 linked to global site-packages. |
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648 |
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649 """ |
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650 assert self.req |
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651 dist = get_distribution(self.req.name) |
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652 if not dist: |
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653 logger.warning("Skipping %s as it is not installed.", self.name) |
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654 return None |
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655 logger.info('Found existing installation: %s', dist) |
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656 |
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657 uninstalled_pathset = UninstallPathSet.from_dist(dist) |
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658 uninstalled_pathset.remove(auto_confirm, verbose) |
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659 return uninstalled_pathset |
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660 |
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661 def _get_archive_name(self, path, parentdir, rootdir): |
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662 # type: (str, str, str) -> str |
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663 |
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664 def _clean_zip_name(name, prefix): |
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665 # type: (str, str) -> str |
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666 assert name.startswith(prefix + os.path.sep), ( |
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667 "name {name!r} doesn't start with prefix {prefix!r}" |
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668 .format(**locals()) |
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669 ) |
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670 name = name[len(prefix) + 1:] |
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671 name = name.replace(os.path.sep, '/') |
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672 return name |
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673 |
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674 path = os.path.join(parentdir, path) |
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675 name = _clean_zip_name(path, rootdir) |
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676 return self.name + '/' + name |
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677 |
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678 def archive(self, build_dir): |
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679 # type: (Optional[str]) -> None |
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680 """Saves archive to provided build_dir. |
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681 |
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682 Used for saving downloaded VCS requirements as part of `pip download`. |
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683 """ |
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684 assert self.source_dir |
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685 if build_dir is None: |
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686 return |
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687 |
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688 create_archive = True |
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689 archive_name = '{}-{}.zip'.format(self.name, self.metadata["version"]) |
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690 archive_path = os.path.join(build_dir, archive_name) |
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691 |
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692 if os.path.exists(archive_path): |
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693 response = ask_path_exists( |
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694 'The file {} exists. (i)gnore, (w)ipe, ' |
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695 '(b)ackup, (a)bort '.format( |
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696 display_path(archive_path)), |
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697 ('i', 'w', 'b', 'a')) |
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698 if response == 'i': |
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699 create_archive = False |
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700 elif response == 'w': |
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701 logger.warning('Deleting %s', display_path(archive_path)) |
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702 os.remove(archive_path) |
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703 elif response == 'b': |
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704 dest_file = backup_dir(archive_path) |
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705 logger.warning( |
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706 'Backing up %s to %s', |
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707 display_path(archive_path), |
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708 display_path(dest_file), |
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709 ) |
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710 shutil.move(archive_path, dest_file) |
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711 elif response == 'a': |
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712 sys.exit(-1) |
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713 |
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714 if not create_archive: |
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715 return |
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|
716 |
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717 zip_output = zipfile.ZipFile( |
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718 archive_path, 'w', zipfile.ZIP_DEFLATED, allowZip64=True, |
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719 ) |
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720 with zip_output: |
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721 dir = os.path.normcase( |
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722 os.path.abspath(self.unpacked_source_directory) |
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723 ) |
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724 for dirpath, dirnames, filenames in os.walk(dir): |
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725 for dirname in dirnames: |
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726 dir_arcname = self._get_archive_name( |
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727 dirname, parentdir=dirpath, rootdir=dir, |
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728 ) |
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729 zipdir = zipfile.ZipInfo(dir_arcname + '/') |
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730 zipdir.external_attr = 0x1ED << 16 # 0o755 |
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731 zip_output.writestr(zipdir, '') |
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732 for filename in filenames: |
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733 file_arcname = self._get_archive_name( |
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734 filename, parentdir=dirpath, rootdir=dir, |
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735 ) |
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736 filename = os.path.join(dirpath, filename) |
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737 zip_output.write(filename, file_arcname) |
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738 |
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739 logger.info('Saved %s', display_path(archive_path)) |
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740 |
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741 def install( |
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742 self, |
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743 install_options, # type: List[str] |
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744 global_options=None, # type: Optional[Sequence[str]] |
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745 root=None, # type: Optional[str] |
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746 home=None, # type: Optional[str] |
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747 prefix=None, # type: Optional[str] |
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748 warn_script_location=True, # type: bool |
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749 use_user_site=False, # type: bool |
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750 pycompile=True # type: bool |
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751 ): |
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752 # type: (...) -> None |
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753 scheme = get_scheme( |
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|
754 self.name, |
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755 user=use_user_site, |
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756 home=home, |
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757 root=root, |
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758 isolated=self.isolated, |
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759 prefix=prefix, |
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760 ) |
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761 |
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762 global_options = global_options if global_options is not None else [] |
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763 if self.editable: |
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764 install_editable_legacy( |
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765 install_options, |
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766 global_options, |
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767 prefix=prefix, |
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768 home=home, |
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769 use_user_site=use_user_site, |
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770 name=self.name, |
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771 setup_py_path=self.setup_py_path, |
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772 isolated=self.isolated, |
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773 build_env=self.build_env, |
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774 unpacked_source_directory=self.unpacked_source_directory, |
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775 ) |
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776 self.install_succeeded = True |
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777 return |
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778 |
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779 if self.is_wheel: |
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780 assert self.local_file_path |
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781 direct_url = None |
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782 if self.original_link: |
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783 direct_url = direct_url_from_link( |
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784 self.original_link, |
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785 self.source_dir, |
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786 self.original_link_is_in_wheel_cache, |
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787 ) |
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788 install_wheel( |
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789 self.name, |
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790 self.local_file_path, |
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791 scheme=scheme, |
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792 req_description=str(self.req), |
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793 pycompile=pycompile, |
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794 warn_script_location=warn_script_location, |
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795 direct_url=direct_url, |
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796 requested=self.user_supplied, |
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797 ) |
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798 self.install_succeeded = True |
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799 return |
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800 |
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801 # TODO: Why don't we do this for editable installs? |
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802 |
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803 # Extend the list of global and install options passed on to |
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804 # the setup.py call with the ones from the requirements file. |
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805 # Options specified in requirements file override those |
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806 # specified on the command line, since the last option given |
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807 # to setup.py is the one that is used. |
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808 global_options = list(global_options) + self.global_options |
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809 install_options = list(install_options) + self.install_options |
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810 |
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811 try: |
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812 success = install_legacy( |
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813 install_options=install_options, |
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814 global_options=global_options, |
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815 root=root, |
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816 home=home, |
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817 prefix=prefix, |
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818 use_user_site=use_user_site, |
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819 pycompile=pycompile, |
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820 scheme=scheme, |
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821 setup_py_path=self.setup_py_path, |
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822 isolated=self.isolated, |
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823 req_name=self.name, |
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824 build_env=self.build_env, |
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825 unpacked_source_directory=self.unpacked_source_directory, |
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826 req_description=str(self.req), |
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827 ) |
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828 except LegacyInstallFailure as exc: |
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829 self.install_succeeded = False |
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830 six.reraise(*exc.parent) |
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831 except Exception: |
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832 self.install_succeeded = True |
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833 raise |
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834 |
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835 self.install_succeeded = success |
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836 |
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837 if success and self.legacy_install_reason == 8368: |
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838 deprecated( |
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839 reason=( |
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840 "{} was installed using the legacy 'setup.py install' " |
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841 "method, because a wheel could not be built for it.". |
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842 format(self.name) |
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843 ), |
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844 replacement="to fix the wheel build issue reported above", |
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845 gone_in=None, |
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846 issue=8368, |
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847 ) |
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848 |
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849 |
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850 def check_invalid_constraint_type(req): |
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851 # type: (InstallRequirement) -> str |
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852 |
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853 # Check for unsupported forms |
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854 problem = "" |
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855 if not req.name: |
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856 problem = "Unnamed requirements are not allowed as constraints" |
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857 elif req.link: |
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858 problem = "Links are not allowed as constraints" |
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859 elif req.extras: |
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860 problem = "Constraints cannot have extras" |
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861 |
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862 if problem: |
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863 deprecated( |
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864 reason=( |
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865 "Constraints are only allowed to take the form of a package " |
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866 "name and a version specifier. Other forms were originally " |
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867 "permitted as an accident of the implementation, but were " |
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868 "undocumented. The new implementation of the resolver no " |
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869 "longer supports these forms." |
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870 ), |
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871 replacement=( |
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872 "replacing the constraint with a requirement." |
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873 ), |
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874 # No plan yet for when the new resolver becomes default |
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875 gone_in=None, |
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876 issue=8210 |
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877 ) |
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878 |
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879 return problem |