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51 lines
1.5 KiB
Python
51 lines
1.5 KiB
Python
# coding: utf-8
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# Copyright: (c) 2019, Ansible Project
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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# Make coding more python3-ish
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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from abc import ABCMeta, abstractmethod, abstractproperty
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class Command(metaclass=ABCMeta):
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"""
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Subcommands of :program:`build-ansible.py`.
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This defines an interface that all subcommands must conform to. :program:`build-ansible.py`
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will require that these things are present in order to proceed.
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"""
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@staticmethod
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@abstractproperty
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def name():
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"""Name of the subcommand. It's the string to invoked it via on the command line"""
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@staticmethod
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@abstractmethod
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def init_parser(add_parser):
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"""
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Initialize and register an argparse ArgumentParser
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:arg add_parser: function which creates an ArgumentParser for the main program.
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Implementations should first create an ArgumentParser using `add_parser` and then populate
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it with the command line arguments that are needed.
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.. seealso:
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`add_parser` information in the :py:meth:`ArgumentParser.add_subparsers` documentation.
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"""
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@staticmethod
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@abstractmethod
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def main(arguments):
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"""
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Run the command
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:arg arguments: The **parsed** command line args
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This is the Command's entrypoint. The command line args are already parsed but from here
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on, the command can do its work.
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"""
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