110 lines
2.9 KiB
Python
110 lines
2.9 KiB
Python
import logging
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import json
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import requests
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import websocket
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from .. import Backend
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class PushbulletBackend(Backend):
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def _init(self, token, device):
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self.token = token
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self.device_name = device
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self.device_id = self.get_device_id()
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@staticmethod
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def _on_init(ws):
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logging.info('Connection opened')
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@staticmethod
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def _on_close(ws):
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logging.info('Connection closed')
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@staticmethod
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def _on_msg(ws, msg):
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ws.backend._on_push(msg)
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@staticmethod
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def _on_error(ws, e):
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logging.exception(e)
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self.ws.close()
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self._init_socket()
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def _on_push(self, data):
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try:
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data = json.loads(data) if isinstance(data, str) else push
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except Exception as e:
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logging.exception(e)
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return
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if data['type'] != 'push':
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return # Not a push notification
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push = data['push']
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logging.debug('Received push: {}'.format(push))
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if 'body' not in push:
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return
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body = push['body']
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try:
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body = json.loads(body)
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except ValueError as e:
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return
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self.on_msg(body)
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def _init_socket(self):
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self.ws = websocket.WebSocketApp(
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'wss://stream.pushbullet.com/websocket/' + self.token,
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on_open = self._on_init,
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on_message = self._on_msg,
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on_error = self._on_error,
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on_close = self._on_close)
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self.ws.backend = self
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def get_device_id(self):
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response = requests.get(
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u'https://api.pushbullet.com/v2/devices',
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headers = { 'Access-Token': self.token },
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).json()
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devices = [dev for dev in response['devices'] if 'nickname' in dev
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and dev['nickname'] == self.device_name]
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if not devices:
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raise RuntimeError('No such Pushbullet device: {}'
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.format(self.device_name))
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return devices[0]['iden']
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def send_msg(self, msg):
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if isinstance(msg, dict):
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msg = json.dumps(msg)
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if not isinstance(msg, str):
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raise RuntimeError('Invalid non-JSON message')
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response = requests.post(
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u'https://api.pushbullet.com/v2/pushes',
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headers = { 'Access-Token': self.token },
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json = {
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'type': 'note',
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'device_iden': self.device_id,
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'body': msg,
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}
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).json()
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if 'dismissed' not in response or response['dismissed'] is True:
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raise RuntimeError('Error while pushing the message: {}'.
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format(response))
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def run(self):
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self._init_socket()
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logging.info('Initialized Pushbullet backend - device_id: {}'
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.format(self.device))
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self.ws.run_forever()
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# vim:sw=4:ts=4:et:
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