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import os, sys |
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import time |
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import rsudp.raspberryshake as rs |
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from rsudp import printM, printW, printE, helpers |
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from rsudp.test import TEST |
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import telegram as tg |
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class Telegrammer(rs.ConsumerThread): |
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''' |
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.. versionadded:: 0.4.2 |
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.. |telegram| raw:: html |
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<a href="https://t.me/" target="_blank">Telegram</a> |
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.. |sasmex_use| raw:: html |
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<a href="https://t.me/sasmex" target="_blank">Mexican Early Warning System (SASMEX)</a> |
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|telegram| is a free messaging service which, |
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among other things, is suited to quickly broadcasting automatic |
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notifications via an API. |
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It is used by the |sasmex_use| and PanamaIGC. |
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:param str token: bot token from Telegram bot creation |
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:param str chat_id: Telegram chat ID number that this module will post to |
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:param bool send_images: whether or not to send images. if False, only alerts will be sent. |
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:param queue.Queue q: queue of data and messages sent by :class:`rsudp.c_consumer.Consumer` |
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''' |
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def __init__(self, token, chat_id, testing=False, |
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q=False, send_images=False, extra_text=False, |
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sender='Telegram'): |
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""" |
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Initializing the Telegram message posting thread. |
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""" |
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super().__init__() |
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self.queue = q |
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self.sender = sender |
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self.alive = True |
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self.send_images = send_images |
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self.token = token |
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self.chat_id = chat_id |
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self.testing = testing |
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self.fmt = '%Y-%m-%d %H:%M:%S.%f' |
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self.region = ' - region: %s' % rs.region.title() if rs.region else '' |
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self._resolve_extra_text(extra_text) |
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self.auth() |
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self.livelink = u'live feed ➡️ https://stationview.raspberryshake.org/#?net=%s&sta=%s' % (rs.net, rs.stn) |
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self.message0 = '(Raspberry Shake station %s.%s%s) Event detected at' % (rs.net, rs.stn, self.region) |
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self.last_message = False |
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printM('Starting.', self.sender) |
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View Code Duplication |
def _resolve_extra_text(self, extra_text): |
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allowable_len = 4096 - (280-103) # length of string allowable given maximum message text & region |
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if ((extra_text == '') or (extra_text == None) or (extra_text == False)): |
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self.extra_text = '' |
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else: |
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extra_text = str(extra_text) |
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len_ex_txt = len(extra_text) |
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if len_ex_txt > allowable_len: |
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printW('extra_text parameter is longer than allowable (%s chars) and will be truncated. Please keep extra_text at or below %s characters.' % (len_ex_txt, allowable_len), sender=self.sender) |
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extra_text = extra_text[:allowable_len] |
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self.extra_text = ' %s' % (extra_text) |
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def auth(self): |
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if not self.testing: |
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self.telegram = tg.Bot(token=self.token) |
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else: |
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printW('The Telegram module will not post to Telegram in Testing mode.', |
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self.sender, announce=False) |
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def getq(self): |
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d = self.queue.get() |
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self.queue.task_done() |
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if 'TERM' in str(d): |
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self.alive = False |
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printM('Exiting.', self.sender) |
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sys.exit() |
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else: |
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return d |
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def _when_alarm(self, d): |
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''' |
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Send a telegram in an alert scenario. |
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:param bytes d: queue message |
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''' |
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event_time = helpers.fsec(helpers.get_msg_time(d)) |
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self.last_event_str = '%s' % (event_time.strftime(self.fmt)[:22]) |
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message = '%s %s UTC%s - %s' % (self.message0, self.last_event_str, self.extra_text, self.livelink) |
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response = None |
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try: |
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printM('Sending alert...', sender=self.sender) |
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printM('Telegram message: %s' % (message), sender=self.sender) |
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if not self.testing: |
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response = self.telegram.sendMessage(chat_id=self.chat_id, text=message) |
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else: |
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TEST['c_telegram'][1] = True |
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except Exception as e: |
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printE('Could not send alert - %s' % (e)) |
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try: |
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printE('Waiting 5 seconds and trying to send again...', sender=self.sender, spaces=True) |
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time.sleep(5) |
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self.auth() |
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printM('Telegram message: %s' % (message), sender=self.sender) |
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if not self.testing: |
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response = self.telegram.sendMessage(chat_id=self.chat_id, text=message) |
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else: |
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# if you are here in testing mode, there is a problem |
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TEST['c_telegram'][1] = False |
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except Exception as e: |
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printE('Could not send alert - %s' % (e)) |
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response = None |
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self.last_message = message |
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def _when_img(self, d): |
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''' |
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Send a telegram image in when you get an ``IMGPATH`` message. |
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:param bytes d: queue message |
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''' |
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if self.send_images: |
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imgpath = helpers.get_msg_path(d) |
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response = None |
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if os.path.exists(imgpath): |
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with open(imgpath, 'rb') as image: |
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try: |
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if not self.testing: |
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printM('Uploading image to Telegram %s' % (imgpath), self.sender) |
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response = self.telegram.sendPhoto(chat_id=self.chat_id, photo=image) |
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printM('Sent image', sender=self.sender) |
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else: |
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printM('Image ready to send - %s' % (imgpath), self.sender) |
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TEST['c_telegramimg'][1] = True |
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except Exception as e: |
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printE('Could not send image - %s' % (e)) |
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try: |
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if not self.testing: |
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printM('Waiting 5 seconds and trying to send again...', sender=self.sender) |
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time.sleep(5.1) |
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self.auth() |
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printM('Uploading image to Telegram (2nd try) %s' % (imgpath), self.sender) |
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response = self.telegram.sendPhoto(chat_id=self.chat_id, photo=image) |
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printM('Sent image', sender=self.sender) |
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else: |
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# if you are here in testing mode, there is a problem |
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TEST['c_telegramimg'][1] = False |
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except Exception as e: |
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printE('Could not send image - %s' % (e)) |
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response = None |
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else: |
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printM('Could not find image: %s' % (imgpath), sender=self.sender) |
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View Code Duplication |
def run(self): |
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""" |
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Reads data from the queue and sends a message if it sees an ALARM or IMGPATH message |
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""" |
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while True: |
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d = self.getq() |
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if 'ALARM' in str(d): |
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self._when_alarm(d) |
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elif 'IMGPATH' in str(d): |
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self._when_img(d) |
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raspishake /
rsudp
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