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"""
Package containing all pip commands
"""
# The following comment should be removed at some point in the future.
# mypy: disallow-untyped-defs=False
from __future__ import absolute_import
import importlib
from collections import OrderedDict, namedtuple
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import Any
from pip._internal.cli.base_command import Command
CommandInfo = namedtuple('CommandInfo', 'module_path, class_name, summary')
# The ordering matters for help display.
# Also, even though the module path starts with the same
# "pip._internal.commands" prefix in each case, we include the full path
# because it makes testing easier (specifically when modifying commands_dict
# in test setup / teardown by adding info for a FakeCommand class defined
# in a test-related module).
# Finally, we need to pass an iterable of pairs here rather than a dict
# so that the ordering won't be lost when using Python 2.7.
commands_dict = OrderedDict([
('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.',
)),
('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.',
)),
]) # type: OrderedDict[str, CommandInfo]
def create_command(name, **kwargs):
# type: (str, **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):
"""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 False