mirror of
https://github.com/facebook/proxygen.git
synced 2025-08-10 05:22:59 +03:00
94b2d51ee7
Summary: This is the new getdeps entrypoint. It lives in `opensource/fbcode_builder` so that it is synced into the various opensource projects at FB. In the incarnation in this diff is has a single subcommand that can be used to validate a manifest file. Reviewed By: sinancepel Differential Revision: D14690995 fbshipit-source-id: 53f8ec9bafb7b1930970079e3ce20f496ac1c188
59 lines
1.6 KiB
Python
59 lines
1.6 KiB
Python
# Copyright (c) 2019-present, Facebook, Inc.
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# All rights reserved.
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#
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# This source code is licensed under the BSD-style license found in the
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# LICENSE file in the root directory of this source tree. An additional grant
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# of patent rights can be found in the PATENTS file in the same directory.
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from __future__ import absolute_import, division, print_function, unicode_literals
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class SubCmd(object):
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NAME = None
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HELP = None
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def run(self, args):
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""" perform the command """
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return 0
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def setup_parser(self, parser):
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# Subclasses should override setup_parser() if they have any
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# command line options or arguments.
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pass
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CmdTable = []
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def add_subcommands(parser, cmd_table=CmdTable):
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""" Register parsers for the defined commands with the provided parser """
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for cls in cmd_table:
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command = cls()
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command_parser = parser.add_parser(command.NAME, help=command.HELP)
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command.setup_parser(command_parser)
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command_parser.set_defaults(func=command.run)
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def cmd(name, help=None, cmd_table=CmdTable):
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"""
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@cmd() is a decorator that can be used to help define Subcmd instances
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Example usage:
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@subcmd('list', 'Show the result list')
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class ListCmd(Subcmd):
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def run(self, args):
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# Perform the command actions here...
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pass
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"""
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def wrapper(cls):
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class SubclassedCmd(cls):
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NAME = name
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HELP = help
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cmd_table.append(SubclassedCmd)
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return SubclassedCmd
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return wrapper
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