150 lines
5.2 KiB
Python
150 lines
5.2 KiB
Python
# Copyright 2017 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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#
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from subprocess import call
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from threading import Event
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from time import time as get_time, sleep
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from os.path import expanduser, isfile
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from pkg_resources import get_distribution
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from mycroft.configuration import Configuration
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from mycroft.messagebus.message import Message
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from mycroft.skills.core import FallbackSkill
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from mycroft.util.log import LOG
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class PadatiousService(FallbackSkill):
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instance = None
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def __init__(self, bus, service):
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FallbackSkill.__init__(self)
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if not PadatiousService.instance:
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PadatiousService.instance = self
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self.padatious_config = Configuration.get()['padatious']
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self.service = service
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intent_cache = expanduser(self.padatious_config['intent_cache'])
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try:
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from padatious import IntentContainer
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except ImportError:
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LOG.error('Padatious not installed. Please re-run dev_setup.sh')
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try:
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call(['notify-send', 'Padatious not installed',
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'Please run build_host_setup and dev_setup again'])
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except OSError:
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pass
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return
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self.container = IntentContainer(intent_cache)
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self._bus = bus
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self.bus.on('padatious:register_intent', self.register_intent)
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self.bus.on('padatious:register_entity', self.register_entity)
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self.bus.on('detach_intent', self.handle_detach_intent)
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self.bus.on('detach_skill', self.handle_detach_skill)
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self.bus.on('mycroft.skills.initialized', self.train)
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self.register_fallback(self.handle_fallback, 5)
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self.finished_training_event = Event()
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self.finished_initial_train = False
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self.train_delay = self.padatious_config['train_delay']
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self.train_time = get_time() + self.train_delay
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self.registered_intents = []
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def train(self, message=None):
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if message is None:
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single_thread = False
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else:
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single_thread = message.data.get('single_thread', False)
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self.finished_training_event.clear()
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LOG.info('Training... (single_thread={})'.format(single_thread))
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self.container.train(single_thread=single_thread)
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LOG.info('Training complete.')
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self.finished_training_event.set()
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if not self.finished_initial_train:
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LOG.info("Mycroft is all loaded and ready to roll!")
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self.bus.emit(Message('mycroft.ready'))
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self.finished_initial_train = True
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def wait_and_train(self):
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if not self.finished_initial_train:
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return
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sleep(self.train_delay)
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if self.train_time < 0.0:
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return
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if self.train_time <= get_time() + 0.01:
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self.train_time = -1.0
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self.train()
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def __detach_intent(self, intent_name):
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self.registered_intents.remove(intent_name)
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self.container.remove_intent(intent_name)
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def handle_detach_intent(self, message):
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self.__detach_intent(message.data.get('intent_name'))
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def handle_detach_skill(self, message):
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skill_id = message.data['skill_id']
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remove_list = [i for i in self.registered_intents if skill_id in i]
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for i in remove_list:
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self.__detach_intent(i)
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def _register_object(self, message, object_name, register_func):
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file_name = message.data['file_name']
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name = message.data['name']
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LOG.debug('Registering Padatious ' + object_name + ': ' + name)
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if not isfile(file_name):
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LOG.warning('Could not find file ' + file_name)
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return
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register_func(name, file_name)
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self.train_time = get_time() + self.train_delay
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self.wait_and_train()
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def register_intent(self, message):
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self.registered_intents.append(message.data['name'])
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self._register_object(message, 'intent', self.container.load_intent)
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def register_entity(self, message):
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self._register_object(message, 'entity', self.container.load_entity)
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def handle_fallback(self, message):
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if not self.finished_training_event.is_set():
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LOG.debug('Waiting for Padatious training to finish...')
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return False
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utt = message.data.get('utterance')
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LOG.debug("Padatious fallback attempt: " + utt)
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data = self.calc_intent(utt)
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if data.conf < 0.5:
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return False
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data.matches['utterance'] = utt
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self.service.add_active_skill(data.name.split(':')[0])
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self.bus.emit(message.reply(data.name, data=data.matches))
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return True
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def calc_intent(self, utt):
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return self.container.calc_intent(utt)
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