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Name	Size	Permission	Date
__init__.py	132 B	-rw-r--r--	2021-01-30 08:57
__init__.pyc	243 B	-rw-r--r--	2021-01-30 08:57
autocompletion.py	6.39 KB	-rw-r--r--	2021-01-30 08:57
autocompletion.pyc	5.32 KB	-rw-r--r--	2021-01-30 08:57
base_command.py	9.12 KB	-rw-r--r--	2021-01-30 08:57
base_command.pyc	7.84 KB	-rw-r--r--	2021-01-30 08:57
cmdoptions.py	27.95 KB	-rw-r--r--	2021-01-30 08:57
cmdoptions.pyc	24.44 KB	-rw-r--r--	2021-01-30 08:57
command_context.py	975 B	-rw-r--r--	2021-01-30 08:57
command_context.pyc	1.58 KB	-rw-r--r--	2021-01-30 08:57
main.py	2.55 KB	-rw-r--r--	2021-01-30 08:57
main.pyc	1.7 KB	-rw-r--r--	2021-01-30 08:57
main_parser.py	2.76 KB	-rw-r--r--	2021-01-30 08:57
main_parser.pyc	2.59 KB	-rw-r--r--	2021-01-30 08:57
parser.py	10.14 KB	-rw-r--r--	2021-01-30 08:57
parser.pyc	10.48 KB	-rw-r--r--	2021-01-30 08:57
progress_bars.py	8.91 KB	-rw-r--r--	2021-01-30 08:57
progress_bars.pyc	9.62 KB	-rw-r--r--	2021-01-30 08:57
req_command.py	16.07 KB	-rw-r--r--	2021-01-30 08:57
req_command.pyc	12.45 KB	-rw-r--r--	2021-01-30 08:57
spinners.py	5.38 KB	-rw-r--r--	2021-01-30 08:57
spinners.pyc	6.01 KB	-rw-r--r--	2021-01-30 08:57
status_codes.py	156 B	-rw-r--r--	2021-01-30 08:57
status_codes.pyc	407 B	-rw-r--r--	2021-01-30 08:57

Rename

"""A single place for constructing and exposing the main parser
"""

import os
import sys

from pip._internal.cli import cmdoptions
from pip._internal.cli.parser import ConfigOptionParser, UpdatingDefaultsHelpFormatter
from pip._internal.commands import commands_dict, get_similar_commands
from pip._internal.exceptions import CommandError
from pip._internal.utils.misc import get_pip_version, get_prog
from pip._internal.utils.typing import MYPY_CHECK_RUNNING

if MYPY_CHECK_RUNNING:
    from typing import List, Tuple

__all__ = ["create_main_parser", "parse_command"]

def create_main_parser():
    # type: () -> ConfigOptionParser
    """Creates and returns the main parser for pip's CLI
    """

parser_kw = {
        'usage': '\n%prog <command> [options]',
        'add_help_option': False,
        'formatter': UpdatingDefaultsHelpFormatter(),
        'name': 'global',
        'prog': get_prog(),
    }

parser = ConfigOptionParser(**parser_kw)
    parser.disable_interspersed_args()

parser.version = get_pip_version()

# add the general options
    gen_opts = cmdoptions.make_option_group(cmdoptions.general_group, parser)
    parser.add_option_group(gen_opts)

# so the help formatter knows
    parser.main = True  # type: ignore

# create command listing for description
    description = [''] + [
        '{name:27} {command_info.summary}'.format(**locals())
        for name, command_info in commands_dict.items()
    ]
    parser.description = '\n'.join(description)

return parser

def parse_command(args):
    # type: (List[str]) -> Tuple[str, List[str]]
    parser = create_main_parser()

# Note: parser calls disable_interspersed_args(), so the result of this
    # call is to split the initial args into the general options before the
    # subcommand and everything else.
    # For example:
    #  args: ['--timeout=5', 'install', '--user', 'INITools']
    #  general_options: ['--timeout==5']
    #  args_else: ['install', '--user', 'INITools']
    general_options, args_else = parser.parse_args(args)

# --version
    if general_options.version:
        sys.stdout.write(parser.version)  # type: ignore
        sys.stdout.write(os.linesep)
        sys.exit()

# pip || pip help -> print_help()
    if not args_else or (args_else[0] == 'help' and len(args_else) == 1):
        parser.print_help()
        sys.exit()

# the subcommand name
    cmd_name = args_else[0]

if cmd_name not in commands_dict:
        guess = get_similar_commands(cmd_name)

msg = ['unknown command "{}"'.format(cmd_name)]
        if guess:
            msg.append('maybe you meant "{}"'.format(guess))

raise CommandError(' - '.join(msg))

# all the args without the subcommand
    cmd_args = args[:]
    cmd_args.remove(cmd_name)

return cmd_name, cmd_args