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https://github.com/thegeeklab/ansible-later.git
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38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
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from __future__ import absolute_import
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from pip._internal.cli.base_command import Command
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from pip._internal.cli.status_codes import SUCCESS
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from pip._internal.exceptions import CommandError
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class HelpCommand(Command):
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"""Show help for commands"""
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name = 'help'
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usage = """
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%prog <command>"""
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summary = 'Show help for commands.'
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ignore_require_venv = True
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def run(self, options, args):
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from pip._internal.commands import commands_dict, get_similar_commands
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try:
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# 'pip help' with no args is handled by pip.__init__.parseopt()
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cmd_name = args[0] # the command we need help for
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except IndexError:
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return SUCCESS
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if cmd_name not in commands_dict:
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guess = get_similar_commands(cmd_name)
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msg = ['unknown command "%s"' % cmd_name]
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if guess:
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msg.append('maybe you meant "%s"' % guess)
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raise CommandError(' - '.join(msg))
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command = commands_dict[cmd_name]()
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command.parser.print_help()
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return SUCCESS
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