Mercurial > repos > shellac > sam_consensus_v3
diff env/lib/python3.9/site-packages/pip/_internal/commands/help.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/env/lib/python3.9/site-packages/pip/_internal/commands/help.py Mon Mar 22 18:12:50 2021 +0000 @@ -0,0 +1,44 @@ +from pip._internal.cli.base_command import Command +from pip._internal.cli.status_codes import SUCCESS +from pip._internal.exceptions import CommandError +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from optparse import Values + from typing import List + + +class HelpCommand(Command): + """Show help for commands""" + + usage = """ + %prog <command>""" + ignore_require_venv = True + + def run(self, options, args): + # type: (Values, List[str]) -> int + 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 = [f'unknown command "{cmd_name}"'] + if guess: + msg.append(f'maybe you meant "{guess}"') + + raise CommandError(' - '.join(msg)) + + command = create_command(cmd_name) + command.parser.print_help() + + return SUCCESS