| 1234567891011121314151617181920212223242526272829303132333435363738394041 |
- # The following comment should be removed at some point in the future.
- # mypy: disallow-untyped-defs=False
- from __future__ import absolute_import
- from pip._internal.cli.base_command import Command
- from pip._internal.cli.status_codes import SUCCESS
- from pip._internal.exceptions import CommandError
- class HelpCommand(Command):
- """Show help for commands"""
- usage = """
- %prog <command>"""
- ignore_require_venv = True
- def run(self, options, args):
- from pip._internal.commands import (
- commands_dict, create_command, get_similar_commands,
- )
- try:
- # 'pip help' with no args is handled by pip.__init__.parseopt()
- cmd_name = args[0] # the command we need help for
- except IndexError:
- return SUCCESS
- if cmd_name not in commands_dict:
- guess = get_similar_commands(cmd_name)
- msg = ['unknown command "%s"' % cmd_name]
- if guess:
- msg.append('maybe you meant "%s"' % guess)
- raise CommandError(' - '.join(msg))
- command = create_command(cmd_name)
- command.parser.print_help()
- return SUCCESS
|
