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annotate lib/python3.8/site-packages/pip/_internal/operations/prepare.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 """Prepares a distribution for installation
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2 """
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3
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4 # The following comment should be removed at some point in the future.
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5 # mypy: strict-optional=False
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6
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7 import logging
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8 import mimetypes
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9 import os
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10 import shutil
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11 import sys
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12
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13 from pip._vendor import requests
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14 from pip._vendor.six import PY2
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15
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16 from pip._internal.distributions import (
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17 make_distribution_for_install_requirement,
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18 )
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19 from pip._internal.distributions.installed import InstalledDistribution
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20 from pip._internal.exceptions import (
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21 DirectoryUrlHashUnsupported,
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22 HashMismatch,
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23 HashUnpinned,
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24 InstallationError,
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25 PreviousBuildDirError,
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26 VcsHashUnsupported,
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27 )
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28 from pip._internal.utils.filesystem import copy2_fixed
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29 from pip._internal.utils.hashes import MissingHashes
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30 from pip._internal.utils.logging import indent_log
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31 from pip._internal.utils.marker_files import write_delete_marker_file
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32 from pip._internal.utils.misc import (
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33 ask_path_exists,
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34 backup_dir,
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35 display_path,
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36 hide_url,
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37 path_to_display,
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38 rmtree,
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39 )
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40 from pip._internal.utils.temp_dir import TempDirectory
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41 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
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42 from pip._internal.utils.unpacking import unpack_file
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43 from pip._internal.vcs import vcs
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44
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45 if MYPY_CHECK_RUNNING:
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46 from typing import (
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47 Callable, List, Optional, Tuple,
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48 )
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49
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50 from mypy_extensions import TypedDict
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51
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52 from pip._internal.distributions import AbstractDistribution
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53 from pip._internal.index.package_finder import PackageFinder
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54 from pip._internal.models.link import Link
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55 from pip._internal.network.download import Downloader
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56 from pip._internal.req.req_install import InstallRequirement
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57 from pip._internal.req.req_tracker import RequirementTracker
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58 from pip._internal.utils.hashes import Hashes
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59
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60 if PY2:
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61 CopytreeKwargs = TypedDict(
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62 'CopytreeKwargs',
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63 {
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64 'ignore': Callable[[str, List[str]], List[str]],
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65 'symlinks': bool,
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66 },
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67 total=False,
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68 )
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69 else:
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70 CopytreeKwargs = TypedDict(
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71 'CopytreeKwargs',
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72 {
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73 'copy_function': Callable[[str, str], None],
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74 'ignore': Callable[[str, List[str]], List[str]],
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75 'ignore_dangling_symlinks': bool,
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76 'symlinks': bool,
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77 },
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78 total=False,
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79 )
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80
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81 logger = logging.getLogger(__name__)
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82
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83
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84 def _get_prepared_distribution(
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85 req, # type: InstallRequirement
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86 req_tracker, # type: RequirementTracker
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87 finder, # type: PackageFinder
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88 build_isolation # type: bool
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89 ):
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90 # type: (...) -> AbstractDistribution
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91 """Prepare a distribution for installation.
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92 """
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93 abstract_dist = make_distribution_for_install_requirement(req)
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94 with req_tracker.track(req):
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95 abstract_dist.prepare_distribution_metadata(finder, build_isolation)
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96 return abstract_dist
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97
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98
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99 def unpack_vcs_link(link, location):
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100 # type: (Link, str) -> None
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101 vcs_backend = vcs.get_backend_for_scheme(link.scheme)
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102 assert vcs_backend is not None
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103 vcs_backend.unpack(location, url=hide_url(link.url))
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104
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105
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106 def _copy_file(filename, location, link):
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107 # type: (str, str, Link) -> None
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108 copy = True
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109 download_location = os.path.join(location, link.filename)
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110 if os.path.exists(download_location):
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111 response = ask_path_exists(
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112 'The file {} exists. (i)gnore, (w)ipe, (b)ackup, (a)abort'.format(
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113 display_path(download_location)
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114 ),
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115 ('i', 'w', 'b', 'a'),
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116 )
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117 if response == 'i':
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118 copy = False
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119 elif response == 'w':
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120 logger.warning('Deleting %s', display_path(download_location))
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121 os.remove(download_location)
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122 elif response == 'b':
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123 dest_file = backup_dir(download_location)
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124 logger.warning(
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125 'Backing up %s to %s',
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126 display_path(download_location),
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127 display_path(dest_file),
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128 )
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129 shutil.move(download_location, dest_file)
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130 elif response == 'a':
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131 sys.exit(-1)
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132 if copy:
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133 shutil.copy(filename, download_location)
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134 logger.info('Saved %s', display_path(download_location))
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135
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136
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137 def unpack_http_url(
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138 link, # type: Link
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139 location, # type: str
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140 downloader, # type: Downloader
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141 download_dir=None, # type: Optional[str]
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142 hashes=None, # type: Optional[Hashes]
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143 ):
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144 # type: (...) -> str
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145 temp_dir = TempDirectory(kind="unpack", globally_managed=True)
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146 # If a download dir is specified, is the file already downloaded there?
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147 already_downloaded_path = None
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148 if download_dir:
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149 already_downloaded_path = _check_download_dir(
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150 link, download_dir, hashes
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151 )
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152
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153 if already_downloaded_path:
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154 from_path = already_downloaded_path
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155 content_type = mimetypes.guess_type(from_path)[0]
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156 else:
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157 # let's download to a tmp dir
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158 from_path, content_type = _download_http_url(
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159 link, downloader, temp_dir.path, hashes
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160 )
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161
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162 # unpack the archive to the build dir location. even when only
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163 # downloading archives, they have to be unpacked to parse dependencies
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164 unpack_file(from_path, location, content_type)
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165
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166 return from_path
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167
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168
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169 def _copy2_ignoring_special_files(src, dest):
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170 # type: (str, str) -> None
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171 """Copying special files is not supported, but as a convenience to users
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172 we skip errors copying them. This supports tools that may create e.g.
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173 socket files in the project source directory.
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174 """
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175 try:
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176 copy2_fixed(src, dest)
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177 except shutil.SpecialFileError as e:
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178 # SpecialFileError may be raised due to either the source or
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179 # destination. If the destination was the cause then we would actually
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180 # care, but since the destination directory is deleted prior to
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181 # copy we ignore all of them assuming it is caused by the source.
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182 logger.warning(
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183 "Ignoring special file error '%s' encountered copying %s to %s.",
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184 str(e),
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185 path_to_display(src),
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186 path_to_display(dest),
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187 )
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188
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189
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190 def _copy_source_tree(source, target):
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191 # type: (str, str) -> None
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192 def ignore(d, names):
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193 # type: (str, List[str]) -> List[str]
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194 # Pulling in those directories can potentially be very slow,
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195 # exclude the following directories if they appear in the top
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196 # level dir (and only it).
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197 # See discussion at https://github.com/pypa/pip/pull/6770
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198 return ['.tox', '.nox'] if d == source else []
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199
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200 kwargs = dict(ignore=ignore, symlinks=True) # type: CopytreeKwargs
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201
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202 if not PY2:
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203 # Python 2 does not support copy_function, so we only ignore
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204 # errors on special file copy in Python 3.
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205 kwargs['copy_function'] = _copy2_ignoring_special_files
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206
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207 shutil.copytree(source, target, **kwargs)
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208
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209
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210 def unpack_file_url(
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211 link, # type: Link
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212 location, # type: str
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213 download_dir=None, # type: Optional[str]
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214 hashes=None # type: Optional[Hashes]
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215 ):
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216 # type: (...) -> Optional[str]
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217 """Unpack link into location.
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218 """
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219 link_path = link.file_path
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220 # If it's a url to a local directory
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221 if link.is_existing_dir():
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222 if os.path.isdir(location):
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223 rmtree(location)
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224 _copy_source_tree(link_path, location)
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225 return None
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226
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227 # If a download dir is specified, is the file already there and valid?
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228 already_downloaded_path = None
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229 if download_dir:
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230 already_downloaded_path = _check_download_dir(
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231 link, download_dir, hashes
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232 )
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233
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234 if already_downloaded_path:
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235 from_path = already_downloaded_path
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236 else:
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237 from_path = link_path
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238
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239 # If --require-hashes is off, `hashes` is either empty, the
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240 # link's embedded hash, or MissingHashes; it is required to
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241 # match. If --require-hashes is on, we are satisfied by any
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242 # hash in `hashes` matching: a URL-based or an option-based
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243 # one; no internet-sourced hash will be in `hashes`.
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244 if hashes:
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245 hashes.check_against_path(from_path)
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246
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247 content_type = mimetypes.guess_type(from_path)[0]
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248
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249 # unpack the archive to the build dir location. even when only downloading
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250 # archives, they have to be unpacked to parse dependencies
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251 unpack_file(from_path, location, content_type)
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252
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253 return from_path
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254
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255
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256 def unpack_url(
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257 link, # type: Link
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258 location, # type: str
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259 downloader, # type: Downloader
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260 download_dir=None, # type: Optional[str]
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261 hashes=None, # type: Optional[Hashes]
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262 ):
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263 # type: (...) -> Optional[str]
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264 """Unpack link into location, downloading if required.
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265
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266 :param hashes: A Hashes object, one of whose embedded hashes must match,
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267 or HashMismatch will be raised. If the Hashes is empty, no matches are
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268 required, and unhashable types of requirements (like VCS ones, which
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269 would ordinarily raise HashUnsupported) are allowed.
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270 """
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271 # non-editable vcs urls
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272 if link.is_vcs:
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273 unpack_vcs_link(link, location)
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274 return None
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275
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276 # file urls
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277 elif link.is_file:
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278 return unpack_file_url(link, location, download_dir, hashes=hashes)
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279
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280 # http urls
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281 else:
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282 return unpack_http_url(
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283 link,
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284 location,
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285 downloader,
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286 download_dir,
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287 hashes=hashes,
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288 )
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289
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290
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291 def _download_http_url(
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292 link, # type: Link
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293 downloader, # type: Downloader
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294 temp_dir, # type: str
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295 hashes, # type: Optional[Hashes]
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296 ):
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297 # type: (...) -> Tuple[str, str]
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298 """Download link url into temp_dir using provided session"""
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299 download = downloader(link)
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300
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301 file_path = os.path.join(temp_dir, download.filename)
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302 with open(file_path, 'wb') as content_file:
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303 for chunk in download.chunks:
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304 content_file.write(chunk)
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305
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306 if hashes:
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307 hashes.check_against_path(file_path)
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308
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309 return file_path, download.response.headers.get('content-type', '')
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310
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311
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312 def _check_download_dir(link, download_dir, hashes):
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313 # type: (Link, str, Optional[Hashes]) -> Optional[str]
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314 """ Check download_dir for previously downloaded file with correct hash
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315 If a correct file is found return its path else None
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316 """
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317 download_path = os.path.join(download_dir, link.filename)
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318
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319 if not os.path.exists(download_path):
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320 return None
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321
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322 # If already downloaded, does its hash match?
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323 logger.info('File was already downloaded %s', download_path)
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324 if hashes:
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325 try:
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326 hashes.check_against_path(download_path)
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327 except HashMismatch:
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328 logger.warning(
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329 'Previously-downloaded file %s has bad hash. '
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330 'Re-downloading.',
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331 download_path
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332 )
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333 os.unlink(download_path)
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334 return None
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335 return download_path
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336
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337
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338 class RequirementPreparer(object):
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339 """Prepares a Requirement
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340 """
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341
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342 def __init__(
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343 self,
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344 build_dir, # type: str
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345 download_dir, # type: Optional[str]
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346 src_dir, # type: str
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347 wheel_download_dir, # type: Optional[str]
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348 build_isolation, # type: bool
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349 req_tracker, # type: RequirementTracker
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350 downloader, # type: Downloader
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351 finder, # type: PackageFinder
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352 require_hashes, # type: bool
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353 use_user_site, # type: bool
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354 ):
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355 # type: (...) -> None
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356 super(RequirementPreparer, self).__init__()
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357
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358 self.src_dir = src_dir
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359 self.build_dir = build_dir
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360 self.req_tracker = req_tracker
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361 self.downloader = downloader
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362 self.finder = finder
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363
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364 # Where still-packed archives should be written to. If None, they are
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365 # not saved, and are deleted immediately after unpacking.
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366 self.download_dir = download_dir
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367
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368 # Where still-packed .whl files should be written to. If None, they are
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369 # written to the download_dir parameter. Separate to download_dir to
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370 # permit only keeping wheel archives for pip wheel.
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371 self.wheel_download_dir = wheel_download_dir
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372
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373 # NOTE
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374 # download_dir and wheel_download_dir overlap semantically and may
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375 # be combined if we're willing to have non-wheel archives present in
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376 # the wheelhouse output by 'pip wheel'.
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377
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378 # Is build isolation allowed?
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379 self.build_isolation = build_isolation
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380
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381 # Should hash-checking be required?
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diff changeset
382 self.require_hashes = require_hashes
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
383
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
384 # Should install in user site-packages?
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
385 self.use_user_site = use_user_site
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
386
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
387 @property
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
388 def _download_should_save(self):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
389 # type: () -> bool
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
390 if not self.download_dir:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
391 return False
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
392
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
393 if os.path.exists(self.download_dir):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
394 return True
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
395
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
396 logger.critical('Could not find download directory')
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
397 raise InstallationError(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
398 "Could not find or access download directory '{}'"
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
399 .format(self.download_dir))
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
400
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
401 def prepare_linked_requirement(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
402 self,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
403 req, # type: InstallRequirement
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
404 ):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
405 # type: (...) -> AbstractDistribution
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
406 """Prepare a requirement that would be obtained from req.link
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
407 """
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
408 assert req.link
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
409 link = req.link
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
410
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
411 # TODO: Breakup into smaller functions
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
412 if link.scheme == 'file':
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
413 path = link.file_path
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
414 logger.info('Processing %s', display_path(path))
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
415 else:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
416 logger.info('Collecting %s', req.req or req)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
417
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
418 with indent_log():
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
419 # @@ if filesystem packages are not marked
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
420 # editable in a req, a non deterministic error
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
421 # occurs when the script attempts to unpack the
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
422 # build directory
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
423 # Since source_dir is only set for editable requirements.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
424 assert req.source_dir is None
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
425 req.ensure_has_source_dir(self.build_dir)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
426 # If a checkout exists, it's unwise to keep going. version
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
427 # inconsistencies are logged later, but do not fail the
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
428 # installation.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
429 # FIXME: this won't upgrade when there's an existing
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
430 # package unpacked in `req.source_dir`
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
431 if os.path.exists(os.path.join(req.source_dir, 'setup.py')):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
432 raise PreviousBuildDirError(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
433 "pip can't proceed with requirements '{}' due to a"
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
434 " pre-existing build directory ({}). This is "
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
435 "likely due to a previous installation that failed"
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
436 ". pip is being responsible and not assuming it "
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
437 "can delete this. Please delete it and try again."
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
438 .format(req, req.source_dir)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
439 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
440
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
441 # Now that we have the real link, we can tell what kind of
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
442 # requirements we have and raise some more informative errors
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
443 # than otherwise. (For example, we can raise VcsHashUnsupported
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
444 # for a VCS URL rather than HashMissing.)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
445 if self.require_hashes:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
446 # We could check these first 2 conditions inside
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
447 # unpack_url and save repetition of conditions, but then
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
448 # we would report less-useful error messages for
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
449 # unhashable requirements, complaining that there's no
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
450 # hash provided.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
451 if link.is_vcs:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
452 raise VcsHashUnsupported()
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
453 elif link.is_existing_dir():
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
454 raise DirectoryUrlHashUnsupported()
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
455 if not req.original_link and not req.is_pinned:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
456 # Unpinned packages are asking for trouble when a new
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
457 # version is uploaded. This isn't a security check, but
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
458 # it saves users a surprising hash mismatch in the
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
459 # future.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
460 #
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
461 # file:/// URLs aren't pinnable, so don't complain
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
462 # about them not being pinned.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
463 raise HashUnpinned()
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
464
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
465 hashes = req.hashes(trust_internet=not self.require_hashes)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
466 if self.require_hashes and not hashes:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
467 # Known-good hashes are missing for this requirement, so
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
468 # shim it with a facade object that will provoke hash
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
469 # computation and then raise a HashMissing exception
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
470 # showing the user what the hash should be.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
471 hashes = MissingHashes()
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
472
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
473 download_dir = self.download_dir
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
474 if link.is_wheel and self.wheel_download_dir:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
475 # when doing 'pip wheel` we download wheels to a
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
476 # dedicated dir.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
477 download_dir = self.wheel_download_dir
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
478
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
479 try:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
480 local_path = unpack_url(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
481 link, req.source_dir, self.downloader, download_dir,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
482 hashes=hashes,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
483 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
484 except requests.HTTPError as exc:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
485 logger.critical(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
486 'Could not install requirement %s because of error %s',
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
487 req,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
488 exc,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
489 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
490 raise InstallationError(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
491 'Could not install requirement {} because of HTTP '
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
492 'error {} for URL {}'.format(req, exc, link)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
493 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
494
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
495 # For use in later processing, preserve the file path on the
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
496 # requirement.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
497 if local_path:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
498 req.local_file_path = local_path
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
499
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
500 if link.is_wheel:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
501 if download_dir:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
502 # When downloading, we only unpack wheels to get
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
503 # metadata.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
504 autodelete_unpacked = True
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
505 else:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
506 # When installing a wheel, we use the unpacked
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
507 # wheel.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
508 autodelete_unpacked = False
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
509 else:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
510 # We always delete unpacked sdists after pip runs.
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guerler
parents:
diff changeset
511 autodelete_unpacked = True
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guerler
parents:
diff changeset
512 if autodelete_unpacked:
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guerler
parents:
diff changeset
513 write_delete_marker_file(req.source_dir)
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guerler
parents:
diff changeset
514
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
515 abstract_dist = _get_prepared_distribution(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
516 req, self.req_tracker, self.finder, self.build_isolation,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
517 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
518
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
519 if download_dir:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
520 if link.is_existing_dir():
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
521 logger.info('Link is a directory, ignoring download_dir')
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guerler
parents:
diff changeset
522 elif local_path and not os.path.exists(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
523 os.path.join(download_dir, link.filename)
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guerler
parents:
diff changeset
524 ):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
525 _copy_file(local_path, download_dir, link)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
526
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
527 if self._download_should_save:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
528 # Make a .zip of the source_dir we already created.
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guerler
parents:
diff changeset
529 if link.is_vcs:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
530 req.archive(self.download_dir)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
531 return abstract_dist
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guerler
parents:
diff changeset
532
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guerler
parents:
diff changeset
533 def prepare_editable_requirement(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
534 self,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
535 req, # type: InstallRequirement
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
536 ):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
537 # type: (...) -> AbstractDistribution
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
538 """Prepare an editable requirement
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
539 """
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
540 assert req.editable, "cannot prepare a non-editable req as editable"
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guerler
parents:
diff changeset
541
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guerler
parents:
diff changeset
542 logger.info('Obtaining %s', req)
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guerler
parents:
diff changeset
543
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
544 with indent_log():
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guerler
parents:
diff changeset
545 if self.require_hashes:
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guerler
parents:
diff changeset
546 raise InstallationError(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
547 'The editable requirement {} cannot be installed when '
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
548 'requiring hashes, because there is no single file to '
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
549 'hash.'.format(req)
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guerler
parents:
diff changeset
550 )
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guerler
parents:
diff changeset
551 req.ensure_has_source_dir(self.src_dir)
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guerler
parents:
diff changeset
552 req.update_editable(not self._download_should_save)
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guerler
parents:
diff changeset
553
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guerler
parents:
diff changeset
554 abstract_dist = _get_prepared_distribution(
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guerler
parents:
diff changeset
555 req, self.req_tracker, self.finder, self.build_isolation,
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guerler
parents:
diff changeset
556 )
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guerler
parents:
diff changeset
557
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
558 if self._download_should_save:
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guerler
parents:
diff changeset
559 req.archive(self.download_dir)
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guerler
parents:
diff changeset
560 req.check_if_exists(self.use_user_site)
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guerler
parents:
diff changeset
561
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guerler
parents:
diff changeset
562 return abstract_dist
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guerler
parents:
diff changeset
563
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guerler
parents:
diff changeset
564 def prepare_installed_requirement(
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guerler
parents:
diff changeset
565 self,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
566 req, # type: InstallRequirement
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
567 skip_reason # type: str
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guerler
parents:
diff changeset
568 ):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
569 # type: (...) -> AbstractDistribution
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
570 """Prepare an already-installed requirement
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guerler
parents:
diff changeset
571 """
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
572 assert req.satisfied_by, "req should have been satisfied but isn't"
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
573 assert skip_reason is not None, (
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
574 "did not get skip reason skipped but req.satisfied_by "
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
575 "is set to {}".format(req.satisfied_by)
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guerler
parents:
diff changeset
576 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
577 logger.info(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
578 'Requirement %s: %s (%s)',
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
579 skip_reason, req, req.satisfied_by.version
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
580 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
581 with indent_log():
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
582 if self.require_hashes:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
583 logger.debug(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
584 'Since it is already installed, we are trusting this '
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
585 'package without checking its hash. To ensure a '
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
586 'completely repeatable environment, install into an '
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
587 'empty virtualenv.'
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
588 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
589 abstract_dist = InstalledDistribution(req)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
590
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
591 return abstract_dist