晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 .
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Current File : //opt/imunify360/venv/lib64/python3.11/site-packages/pip/_internal/commands/__init__.py
"""
Package containing all pip commands
"""

import importlib
from collections import namedtuple
from typing import Any, Dict, Optional

from pip._internal.cli.base_command import Command

CommandInfo = namedtuple("CommandInfo", "module_path, class_name, summary")

# This dictionary does a bunch of heavy lifting for help output:
# - Enables avoiding additional (costly) imports for presenting `--help`.
# - The ordering matters for help display.
#
# Even though the module path starts with the same "pip._internal.commands"
# prefix, the full path makes testing easier (specifically when modifying
# `commands_dict` in test setup / teardown).
commands_dict: Dict[str, CommandInfo] = {
    "install": CommandInfo(
        "pip._internal.commands.install",
        "InstallCommand",
        "Install packages.",
    ),
    "download": CommandInfo(
        "pip._internal.commands.download",
        "DownloadCommand",
        "Download packages.",
    ),
    "uninstall": CommandInfo(
        "pip._internal.commands.uninstall",
        "UninstallCommand",
        "Uninstall packages.",
    ),
    "freeze": CommandInfo(
        "pip._internal.commands.freeze",
        "FreezeCommand",
        "Output installed packages in requirements format.",
    ),
    "inspect": CommandInfo(
        "pip._internal.commands.inspect",
        "InspectCommand",
        "Inspect the python environment.",
    ),
    "list": CommandInfo(
        "pip._internal.commands.list",
        "ListCommand",
        "List installed packages.",
    ),
    "show": CommandInfo(
        "pip._internal.commands.show",
        "ShowCommand",
        "Show information about installed packages.",
    ),
    "check": CommandInfo(
        "pip._internal.commands.check",
        "CheckCommand",
        "Verify installed packages have compatible dependencies.",
    ),
    "config": CommandInfo(
        "pip._internal.commands.configuration",
        "ConfigurationCommand",
        "Manage local and global configuration.",
    ),
    "search": CommandInfo(
        "pip._internal.commands.search",
        "SearchCommand",
        "Search PyPI for packages.",
    ),
    "cache": CommandInfo(
        "pip._internal.commands.cache",
        "CacheCommand",
        "Inspect and manage pip's wheel cache.",
    ),
    "index": CommandInfo(
        "pip._internal.commands.index",
        "IndexCommand",
        "Inspect information available from package indexes.",
    ),
    "wheel": CommandInfo(
        "pip._internal.commands.wheel",
        "WheelCommand",
        "Build wheels from your requirements.",
    ),
    "hash": CommandInfo(
        "pip._internal.commands.hash",
        "HashCommand",
        "Compute hashes of package archives.",
    ),
    "completion": CommandInfo(
        "pip._internal.commands.completion",
        "CompletionCommand",
        "A helper command used for command completion.",
    ),
    "debug": CommandInfo(
        "pip._internal.commands.debug",
        "DebugCommand",
        "Show information useful for debugging.",
    ),
    "help": CommandInfo(
        "pip._internal.commands.help",
        "HelpCommand",
        "Show help for commands.",
    ),
}


def create_command(name: str, **kwargs: Any) -> Command:
    """
    Create an instance of the Command class with the given name.
    """
    module_path, class_name, summary = commands_dict[name]
    module = importlib.import_module(module_path)
    command_class = getattr(module, class_name)
    command = command_class(name=name, summary=summary, **kwargs)

    return command


def get_similar_commands(name: str) -> Optional[str]:
    """Command name auto-correct."""
    from difflib import get_close_matches

    name = name.lower()

    close_commands = get_close_matches(name, commands_dict.keys())

    if close_commands:
        return close_commands[0]
    else:
        return None

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