mirror of
https://github.com/YunoHost-Apps/ffsync_ynh.git
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76 lines
2.6 KiB
Python
76 lines
2.6 KiB
Python
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"""Primary application entrypoint.
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"""
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from __future__ import absolute_import
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import locale
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import logging
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import os
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import sys
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from pip._internal.cli.autocompletion import autocomplete
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from pip._internal.cli.main_parser import parse_command
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from pip._internal.commands import create_command
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from pip._internal.exceptions import PipError
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from pip._internal.utils import deprecation
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from pip._internal.utils.typing import MYPY_CHECK_RUNNING
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if MYPY_CHECK_RUNNING:
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from typing import List, Optional
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logger = logging.getLogger(__name__)
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# Do not import and use main() directly! Using it directly is actively
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# discouraged by pip's maintainers. The name, location and behavior of
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# this function is subject to change, so calling it directly is not
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# portable across different pip versions.
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# In addition, running pip in-process is unsupported and unsafe. This is
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# elaborated in detail at
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# https://pip.pypa.io/en/stable/user_guide/#using-pip-from-your-program.
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# That document also provides suggestions that should work for nearly
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# all users that are considering importing and using main() directly.
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# However, we know that certain users will still want to invoke pip
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# in-process. If you understand and accept the implications of using pip
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# in an unsupported manner, the best approach is to use runpy to avoid
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# depending on the exact location of this entry point.
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# The following example shows how to use runpy to invoke pip in that
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# case:
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#
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# sys.argv = ["pip", your, args, here]
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# runpy.run_module("pip", run_name="__main__")
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#
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# Note that this will exit the process after running, unlike a direct
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# call to main. As it is not safe to do any processing after calling
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# main, this should not be an issue in practice.
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def main(args=None):
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# type: (Optional[List[str]]) -> int
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if args is None:
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args = sys.argv[1:]
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# Configure our deprecation warnings to be sent through loggers
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deprecation.install_warning_logger()
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autocomplete()
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try:
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cmd_name, cmd_args = parse_command(args)
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except PipError as exc:
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sys.stderr.write("ERROR: {}".format(exc))
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sys.stderr.write(os.linesep)
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sys.exit(1)
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# Needed for locale.getpreferredencoding(False) to work
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# in pip._internal.utils.encoding.auto_decode
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try:
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locale.setlocale(locale.LC_ALL, '')
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except locale.Error as e:
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# setlocale can apparently crash if locale are uninitialized
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logger.debug("Ignoring error %s when setting locale", e)
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command = create_command(cmd_name, isolated=("--isolated" in cmd_args))
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return command.main(cmd_args)
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