68 lines
2.2 KiB
Python
68 lines
2.2 KiB
Python
# Copyright 2020 Mycroft AI Inc.
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#
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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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"""Skill Api
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The skill api allows skills interact with eachother over the message bus
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just like interacting with any other object.
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"""
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from mycroft.messagebus.message import Message
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class SkillApi():
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"""SkillApi providing a simple interface to exported methods from skills
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Methods are built from a method_dict provided when initializing the skill.
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"""
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bus = None
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@classmethod
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def connect_bus(cls, mycroft_bus):
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"""Registers the bus object to use."""
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cls.bus = mycroft_bus
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def __init__(self, method_dict):
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self.method_dict = method_dict
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for key in method_dict:
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def get_method(k):
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def method(*args, **kwargs):
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m = self.method_dict[k]
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data = {'args': args, 'kwargs': kwargs}
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method_msg = Message(m['type'], data)
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response = SkillApi.bus.wait_for_response(method_msg)
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if (response and response.data and
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'result' in response.data):
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return response.data['result']
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else:
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return None
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return method
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self.__setattr__(key, get_method(key))
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@staticmethod
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def get(skill):
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"""Generate api object from skill id.
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Args:
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skill (str): skill id for target skill
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Returns:
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SkillApi
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"""
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public_api_msg = '{}.public_api'.format(skill)
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api = SkillApi.bus.wait_for_response(Message(public_api_msg))
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if api:
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return SkillApi(api.data)
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else:
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return None
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