Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/pip/_internal/operations/install/legacy.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 """Legacy installation process, i.e. `setup.py install`. |
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2 """ |
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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 sys |
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7 from distutils.util import change_root |
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8 |
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9 from pip._internal.exceptions import InstallationError |
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10 from pip._internal.utils.logging import indent_log |
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11 from pip._internal.utils.misc import ensure_dir |
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12 from pip._internal.utils.setuptools_build import make_setuptools_install_args |
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13 from pip._internal.utils.subprocess import runner_with_spinner_message |
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14 from pip._internal.utils.temp_dir import TempDirectory |
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15 from pip._internal.utils.typing import MYPY_CHECK_RUNNING |
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16 |
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17 if MYPY_CHECK_RUNNING: |
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18 from typing import List, Optional, Sequence |
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19 |
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20 from pip._internal.build_env import BuildEnvironment |
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21 from pip._internal.models.scheme import Scheme |
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22 |
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23 |
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24 logger = logging.getLogger(__name__) |
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25 |
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26 |
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27 class LegacyInstallFailure(Exception): |
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28 def __init__(self): |
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29 # type: () -> None |
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30 self.parent = sys.exc_info() |
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31 |
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32 |
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33 def install( |
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34 install_options, # type: List[str] |
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35 global_options, # type: Sequence[str] |
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36 root, # type: Optional[str] |
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37 home, # type: Optional[str] |
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38 prefix, # type: Optional[str] |
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39 use_user_site, # type: bool |
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40 pycompile, # type: bool |
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41 scheme, # type: Scheme |
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42 setup_py_path, # type: str |
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43 isolated, # type: bool |
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44 req_name, # type: str |
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45 build_env, # type: BuildEnvironment |
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46 unpacked_source_directory, # type: str |
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47 req_description, # type: str |
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48 ): |
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49 # type: (...) -> bool |
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50 |
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51 header_dir = scheme.headers |
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52 |
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53 with TempDirectory(kind="record") as temp_dir: |
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54 try: |
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55 record_filename = os.path.join(temp_dir.path, 'install-record.txt') |
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56 install_args = make_setuptools_install_args( |
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57 setup_py_path, |
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58 global_options=global_options, |
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59 install_options=install_options, |
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60 record_filename=record_filename, |
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61 root=root, |
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62 prefix=prefix, |
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63 header_dir=header_dir, |
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64 home=home, |
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65 use_user_site=use_user_site, |
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66 no_user_config=isolated, |
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67 pycompile=pycompile, |
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68 ) |
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69 |
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70 runner = runner_with_spinner_message( |
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71 f"Running setup.py install for {req_name}" |
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72 ) |
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73 with indent_log(), build_env: |
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74 runner( |
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75 cmd=install_args, |
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76 cwd=unpacked_source_directory, |
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77 ) |
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78 |
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79 if not os.path.exists(record_filename): |
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80 logger.debug('Record file %s not found', record_filename) |
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81 # Signal to the caller that we didn't install the new package |
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82 return False |
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83 |
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84 except Exception: |
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85 # Signal to the caller that we didn't install the new package |
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86 raise LegacyInstallFailure |
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87 |
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88 # At this point, we have successfully installed the requirement. |
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89 |
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90 # We intentionally do not use any encoding to read the file because |
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91 # setuptools writes the file using distutils.file_util.write_file, |
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92 # which does not specify an encoding. |
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93 with open(record_filename) as f: |
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94 record_lines = f.read().splitlines() |
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95 |
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96 def prepend_root(path): |
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97 # type: (str) -> str |
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98 if root is None or not os.path.isabs(path): |
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99 return path |
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100 else: |
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101 return change_root(root, path) |
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102 |
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103 for line in record_lines: |
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104 directory = os.path.dirname(line) |
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105 if directory.endswith('.egg-info'): |
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106 egg_info_dir = prepend_root(directory) |
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107 break |
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108 else: |
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109 message = ( |
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110 "{} did not indicate that it installed an " |
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111 ".egg-info directory. Only setup.py projects " |
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112 "generating .egg-info directories are supported." |
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113 ).format(req_description) |
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114 raise InstallationError(message) |
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115 |
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116 new_lines = [] |
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117 for line in record_lines: |
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118 filename = line.strip() |
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119 if os.path.isdir(filename): |
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120 filename += os.path.sep |
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121 new_lines.append( |
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122 os.path.relpath(prepend_root(filename), egg_info_dir) |
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123 ) |
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124 new_lines.sort() |
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125 ensure_dir(egg_info_dir) |
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126 inst_files_path = os.path.join(egg_info_dir, 'installed-files.txt') |
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127 with open(inst_files_path, 'w') as f: |
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128 f.write('\n'.join(new_lines) + '\n') |
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129 |
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130 return True |