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# -*- coding: utf-8 -*-

# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2021 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# http://cloudlinux.com/docs/LICENSE.TXT

from __future__ import absolute_import

import argparse
from typing import Tuple, List, Dict, Any
from clcommon.lib.cledition import is_cl_shared_pro_edition


class CustomFormatter(argparse.ArgumentDefaultsHelpFormatter, argparse.HelpFormatter):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs, width=200, max_help_position=30)


class ArgumentParser:
    """Helper to create parsers."""
    def __init__(self, *args, **kwargs):
        self._parser = argparse.ArgumentParser(*args, **kwargs)
        self._subparser = self._parser.add_subparsers(dest='command', required=True)
        self._subparsers = {}

        # to allow global arguments addition
        self.add_argument = self._parser.add_argument

    def command(self, only_for_shared_pro=None, allow_abbrev=False, **kwargs):
        def decorator(method):
            if is_cl_shared_pro_edition() or not only_for_shared_pro:
                self._subparsers[method.__name__] = self._subparser.add_parser(
                    method.__name__.replace("_", "-"),
                    allow_abbrev=allow_abbrev,
                    **kwargs
                )
            return method

        return decorator

    def argument(self, *args, **kwargs):
        def decorator(method):
            self._subparsers[method.__name__].add_argument(*args, **kwargs)
            return method

        return decorator

    def mutual_exclusive_group(
            self,
            arguments_params: List[Tuple[List[Any], Dict[str, Any]]],
            **kwargs,
    ):
        """
        Create mutually exclusive group with arguments
        `argument_params` is a list of tuples with *args and **kwargs to create arguments in the group
        """
        def decorator(method):
            group = self._subparsers[method.__name__].add_mutually_exclusive_group(**kwargs)
            for argument in arguments_params:
                group.add_argument(*argument[0], **argument[1])

            return method

        return decorator

    def parse_args(self, args):
        return self._parser.parse_args(args)
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