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alerts.py
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304 lines (261 loc) · 7.62 KB
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# -*- coding: utf-8 -*-
"""
Alert模块
参考：http://open.duer.baidu.com/doc/dueros-conversational-service/device-interface/alerts_markdown
"""
import os
import datetime
import dateutil.parser
from threading import Timer
import uuid
class Alerts(object):
'''
Alert类
'''
STATES = {'IDLE', 'FOREGROUND', 'BACKGROUND'}
def __init__(self, dueros, player):
'''
类初始化
:param dueros:DuerOS核心处理模块
:param player: 播放器
'''
self.namespace = 'ai.dueros.device_interface.alerts'
self.dueros = dueros
self.player = player
self.player.add_callback('eos', self.stop)
self.player.add_callback('error', self.stop)
alarm = os.path.realpath(os.path.join(os.path.dirname(__file__), '../resources/alarm.wav'))
self.alarm_uri = 'file://{}'.format(alarm)
self.all_alerts = {}
self.active_alerts = {}
def stop(self):
"""
停止所有激活的Alert
"""
for token in self.active_alerts.keys():
self.__alert_stopped(token)
self.active_alerts = {}
def set_alert(self, directive):
'''
设置闹钟(云端directive name方法)
:param directive:云端下发的directive
:return:
'''
payload = directive['payload']
token = payload['token']
scheduled_time = dateutil.parser.parse(payload['scheduledTime'])
# Update the alert
if token in self.all_alerts:
pass
self.all_alerts[token] = payload
interval = scheduled_time - datetime.datetime.now(scheduled_time.tzinfo)
Timer(interval.seconds, self.__start_alert, (token,)).start()
self.__set_alert_succeeded(token)
def delete_alert(self, directive):
'''
删除闹钟(云端directive name方法)
:param directive: 云端下发的directive
:return:
'''
token = directive['payload']['token']
if token in self.active_alerts:
self.__alert_stopped(token)
if token in self.all_alerts:
del self.all_alerts[token]
self.__delete_alert_succeeded(token)
def __start_alert(self, token):
'''
开始响铃
:param self:
:param token:
:return:
'''
if token in self.all_alerts:
self.__alert_started(token)
# TODO: repeat play alarm until user stops it or timeout
self.player.play(self.alarm_uri)
# {
# "directive": {
# "header": {
# "namespace": "Alerts",
# "name": "SetAlert",
# "messageId": "{{STRING}}",
# "dialogRequestId": "{{STRING}}"
# },
# "payload": {
# "token": "{{STRING}}",
# "type": "{{STRING}}",
# "scheduledTime": "2017-08-07T09:02:58+0000",
# }
# }
# }
def __set_alert_succeeded(self, token):
'''
闹铃设置成功事件上报
:param token:
:return:
'''
event = {
"header": {
"namespace": self.namespace,
"name": "SetAlertSucceeded",
"messageId": uuid.uuid4().hex
},
"payload": {
"token": token
}
}
self.dueros.send_event(event)
def __set_alert_failed(self, token):
'''
闹铃设置失败事件上报
:param token:
:return:
'''
event = {
"header": {
"namespace": self.namespace,
"name": "SetAlertFailed",
"messageId": uuid.uuid4().hex
},
"payload": {
"token": token
}
}
self.dueros.send_event(event)
# {
# "directive": {
# "header": {
# "namespace": "Alerts",
# "name": "DeleteAlert",
# "messageId": "{{STRING}}",
# "dialogRequestId": "{{STRING}}"
# },
# "payload": {
# "token": "{{STRING}}"
# }
# }
# }
def __delete_alert_succeeded(self, token):
'''
删除闹铃成功事件上报
:param token:
:return:
'''
event = {
"header": {
"namespace": self.namespace,
"name": "DeleteAlertSucceeded",
"messageId": uuid.uuid4().hex
},
"payload": {
"token": token
}
}
self.dueros.send_event(event)
def __delete_alert_failed(self, token):
'''
删除闹铃失败事件上传
:param token:
:return:
'''
event = {
"header": {
"namespace": self.namespace,
"name": "DeleteAlertFailed",
"messageId": uuid.uuid4().hex
},
"payload": {
"token": token
}
}
self.dueros.send_event(event)
def __alert_started(self, token):
'''
响铃开始事件上报
:param token:
:return:
'''
self.active_alerts[token] = self.all_alerts[token]
event = {
"header": {
"namespace": self.namespace,
"name": "AlertStarted",
"messageId": uuid.uuid4().hex
},
"payload": {
"token": token
}
}
self.dueros.send_event(event)
def __alert_stopped(self, token):
'''
响铃结束事件上报
:param token:
:return:
'''
if token in self.active_alerts:
del self.active_alerts[token]
if token in self.all_alerts:
del self.all_alerts[token]
event = {
"header": {
"namespace": self.namespace,
"name": "AlertStopped",
"messageId": "{STRING}"
},
"payload": {
"token": token
}
}
self.dueros.send_event(event)
def __alert_entered_foreground(self, token):
'''
响铃进入前台事件上报
:param token:
:return:
'''
event = {
"header": {
"namespace": self.namespace,
"name": "AlertEnteredForeground",
"messageId": uuid.uuid4().hex
},
"payload": {
"token": token
}
}
self.dueros.send_event(event)
def __alert_entered_background(self, token):
'''
响铃进入后台事件上报
:param token:
:return:
'''
event = {
"header": {
"namespace": self.namespace,
"name": "AlertEnteredBackground",
"messageId": uuid.uuid4().hex
},
"payload": {
"token": token
}
}
self.dueros.send_event(event)
@property
def context(self):
'''
获取模块上下文(模块状态)
:return:
'''
return {
"header": {
"namespace": self.namespace,
"name": "AlertsState"
},
"payload": {
"allAlerts": list(self.all_alerts.values()),
"activeAlerts": list(self.active_alerts.values())
}
}