Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/pip/_internal/cli/main.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 """Primary application entrypoint. |
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2 """ |
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3 import locale |
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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 |
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8 from pip._internal.cli.autocompletion import autocomplete |
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9 from pip._internal.cli.main_parser import parse_command |
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10 from pip._internal.commands import create_command |
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11 from pip._internal.exceptions import PipError |
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12 from pip._internal.utils import deprecation |
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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 typing import List, Optional |
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17 |
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18 logger = logging.getLogger(__name__) |
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19 |
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20 |
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21 # Do not import and use main() directly! Using it directly is actively |
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22 # discouraged by pip's maintainers. The name, location and behavior of |
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23 # this function is subject to change, so calling it directly is not |
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24 # portable across different pip versions. |
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25 |
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26 # In addition, running pip in-process is unsupported and unsafe. This is |
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27 # elaborated in detail at |
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28 # https://pip.pypa.io/en/stable/user_guide/#using-pip-from-your-program. |
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29 # That document also provides suggestions that should work for nearly |
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30 # all users that are considering importing and using main() directly. |
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31 |
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32 # However, we know that certain users will still want to invoke pip |
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33 # in-process. If you understand and accept the implications of using pip |
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34 # in an unsupported manner, the best approach is to use runpy to avoid |
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35 # depending on the exact location of this entry point. |
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36 |
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37 # The following example shows how to use runpy to invoke pip in that |
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38 # case: |
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39 # |
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40 # sys.argv = ["pip", your, args, here] |
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41 # runpy.run_module("pip", run_name="__main__") |
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42 # |
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43 # Note that this will exit the process after running, unlike a direct |
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44 # call to main. As it is not safe to do any processing after calling |
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45 # main, this should not be an issue in practice. |
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46 |
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47 def main(args=None): |
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48 # type: (Optional[List[str]]) -> int |
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49 if args is None: |
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50 args = sys.argv[1:] |
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51 |
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52 # Configure our deprecation warnings to be sent through loggers |
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53 deprecation.install_warning_logger() |
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54 |
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55 autocomplete() |
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56 |
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57 try: |
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58 cmd_name, cmd_args = parse_command(args) |
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59 except PipError as exc: |
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60 sys.stderr.write(f"ERROR: {exc}") |
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61 sys.stderr.write(os.linesep) |
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62 sys.exit(1) |
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63 |
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64 # Needed for locale.getpreferredencoding(False) to work |
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65 # in pip._internal.utils.encoding.auto_decode |
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66 try: |
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67 locale.setlocale(locale.LC_ALL, '') |
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68 except locale.Error as e: |
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69 # setlocale can apparently crash if locale are uninitialized |
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70 logger.debug("Ignoring error %s when setting locale", e) |
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71 command = create_command(cmd_name, isolated=("--isolated" in cmd_args)) |
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72 |
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73 return command.main(cmd_args) |