57 lines
2.2 KiB
Python
57 lines
2.2 KiB
Python
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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#
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# Copyright (c) 2023 Huawei Device Co., Ltd.
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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from abc import ABCMeta
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from containers.arg import Arg
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from exceptions.ohos_exception import OHOSException
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from containers.status import throw_exception
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class ArgsResolverInterface(metaclass=ABCMeta):
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def __init__(self, args_dict: dict):
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self._args_to_function = dict()
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self._map_args_to_function(args_dict)
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@throw_exception
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def resolve_arg(self, target_arg: Arg, module):
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if target_arg.arg_name not in self._args_to_function.keys():
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raise OHOSException(
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'You are tring to call {} resolve function, but it has not been defined yet', '0000')
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if not hasattr(self._args_to_function[target_arg.arg_name], '__call__'):
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raise OHOSException()
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resolve_function = self._args_to_function[target_arg.arg_name]
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return resolve_function(target_arg, module)
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@throw_exception
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def _map_args_to_function(self, args_dict: dict):
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for entity in args_dict.values():
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if isinstance(entity, Arg):
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args_name = entity.arg_name
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function_name = entity.resolve_function
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if not hasattr(self, function_name) or \
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not hasattr(self.__getattribute__(function_name), '__call__'):
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raise OHOSException(
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'There is no resolution function for arg: {}'.format(
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args_name),
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"0004")
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entity.resolve_function = self.__getattribute__(function_name)
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self._args_to_function[args_name] = self.__getattribute__(
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function_name)
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