Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/pip/_internal/commands/uninstall.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 from pip._vendor.packaging.utils import canonicalize_name |
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2 |
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3 from pip._internal.cli.base_command import Command |
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4 from pip._internal.cli.req_command import SessionCommandMixin |
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5 from pip._internal.cli.status_codes import SUCCESS |
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6 from pip._internal.exceptions import InstallationError |
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7 from pip._internal.req import parse_requirements |
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8 from pip._internal.req.constructors import ( |
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9 install_req_from_line, |
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10 install_req_from_parsed_requirement, |
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11 ) |
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12 from pip._internal.utils.misc import protect_pip_from_modification_on_windows |
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13 from pip._internal.utils.typing import MYPY_CHECK_RUNNING |
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14 |
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15 if MYPY_CHECK_RUNNING: |
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16 from optparse import Values |
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17 from typing import List |
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18 |
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19 |
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20 class UninstallCommand(Command, SessionCommandMixin): |
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21 """ |
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22 Uninstall packages. |
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23 |
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24 pip is able to uninstall most installed packages. Known exceptions are: |
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25 |
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26 - Pure distutils packages installed with ``python setup.py install``, which |
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27 leave behind no metadata to determine what files were installed. |
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28 - Script wrappers installed by ``python setup.py develop``. |
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29 """ |
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30 |
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31 usage = """ |
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32 %prog [options] <package> ... |
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33 %prog [options] -r <requirements file> ...""" |
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34 |
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35 def add_options(self): |
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36 # type: () -> None |
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37 self.cmd_opts.add_option( |
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38 '-r', '--requirement', |
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39 dest='requirements', |
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40 action='append', |
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41 default=[], |
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42 metavar='file', |
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43 help='Uninstall all the packages listed in the given requirements ' |
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44 'file. This option can be used multiple times.', |
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45 ) |
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46 self.cmd_opts.add_option( |
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47 '-y', '--yes', |
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48 dest='yes', |
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49 action='store_true', |
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50 help="Don't ask for confirmation of uninstall deletions.") |
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51 |
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52 self.parser.insert_option_group(0, self.cmd_opts) |
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53 |
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54 def run(self, options, args): |
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55 # type: (Values, List[str]) -> int |
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56 session = self.get_default_session(options) |
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57 |
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58 reqs_to_uninstall = {} |
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59 for name in args: |
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60 req = install_req_from_line( |
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61 name, isolated=options.isolated_mode, |
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62 ) |
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63 if req.name: |
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64 reqs_to_uninstall[canonicalize_name(req.name)] = req |
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65 for filename in options.requirements: |
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66 for parsed_req in parse_requirements( |
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67 filename, |
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68 options=options, |
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69 session=session): |
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70 req = install_req_from_parsed_requirement( |
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71 parsed_req, |
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72 isolated=options.isolated_mode |
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73 ) |
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74 if req.name: |
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75 reqs_to_uninstall[canonicalize_name(req.name)] = req |
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76 if not reqs_to_uninstall: |
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77 raise InstallationError( |
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78 'You must give at least one requirement to {self.name} (see ' |
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79 '"pip help {self.name}")'.format(**locals()) |
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80 ) |
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81 |
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82 protect_pip_from_modification_on_windows( |
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83 modifying_pip="pip" in reqs_to_uninstall |
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84 ) |
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85 |
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86 for req in reqs_to_uninstall.values(): |
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87 uninstall_pathset = req.uninstall( |
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88 auto_confirm=options.yes, verbose=self.verbosity > 0, |
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89 ) |
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90 if uninstall_pathset: |
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91 uninstall_pathset.commit() |
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92 |
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93 return SUCCESS |