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python311
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python3.11
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pip
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_internal
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commands
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""" 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.", ), "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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