| #! /usr/bin/env python3 |
| # Copyright (C) 2016 The Android Open Source Project |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| # use this file except in compliance with the License. You may obtain a copy of |
| # the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| # License for the specific language governing permissions and limitations under |
| # the License. |
| |
| """The twilio client that initiates the call.""" |
| |
| # TODO(danielvernon):Generalize client to use any service including phone. |
| |
| from twilio.rest import Client |
| import yaml |
| |
| ACCOUNT_SID_KEY = 'account_sid' |
| AUTH_TOKEN_KEY = 'auth_token' |
| PHONE_NUMBER_KEY = 'phone_number' |
| MUSIC_URL = 'http://twimlets.com/holdmusic?Bucket=com.twilio.music.ambient' |
| URLS_KEY = 'urls' |
| |
| class TwilioClient: |
| """A class that wraps the Twilio Client class and can make calls. |
| |
| Attributes: |
| __account_sid: The account id |
| __auth_token: The authentication token |
| __phone_number: The phoone number |
| urls: urls that will be played during call |
| """ |
| |
| def __init__(self, cfg_path): |
| self.__account_sid = None |
| self.__auth_token = None |
| self.__phone_number = None |
| self.urls = None |
| |
| self.load_config(cfg_path) |
| self.client = Client(self.__account_sid, self.__auth_token) |
| self.call_handle = self.client.api.account.calls |
| |
| def load_config(self, cfg_path): |
| """Loads the config for twilio. |
| |
| Args: |
| cfg_path: A string, which is the path to the config file. |
| """ |
| with open(cfg_path) as cfg_file: |
| cfg = yaml.load(cfg_file) |
| self.__account_sid = cfg[ACCOUNT_SID_KEY] |
| self.__auth_token = cfg[AUTH_TOKEN_KEY] |
| self.__phone_number = cfg[PHONE_NUMBER_KEY] |
| self.urls = cfg[URLS_KEY] |
| |
| def call(self, to): |
| """Makes request to Twilio API to call number and play music. |
| |
| Must be registered with Twilio account in order to use this client. |
| Arguments: |
| to: the number to call (str). example -- '+12345678910' |
| |
| Returns: |
| call.sid: the sid of the call request. |
| """ |
| |
| call = self.call_handle.create(to=to, from_=self.__phone_number, |
| url=MUSIC_URL, status_callback=MUSIC_URL) |
| return call.sid |
