From ff0d724f321bb286c6a5ad59ed96463b5c054ee1 Mon Sep 17 00:00:00 2001 From: Rahiel Kasim Date: Thu, 12 Nov 2015 17:26:25 +0100 Subject: [PATCH] improve echobot with cleaner code and basic exception handling --- examples/echobot.py | 58 +++++++++++++++++++++++++-------------------- 1 file changed, 32 insertions(+), 26 deletions(-) diff --git a/examples/echobot.py b/examples/echobot.py index c9e9992e343..949b0255adb 100644 --- a/examples/echobot.py +++ b/examples/echobot.py @@ -1,6 +1,7 @@ #!/usr/bin/env python +# -*- coding: utf-8 -*- # -# Simple Bot to reply Telegram messages +# Simple Bot to reply to Telegram messages # Copyright (C) 2015 Leandro Toledo de Souza # # This program is free software: you can redistribute it and/or modify @@ -19,13 +20,16 @@ import logging import telegram +from time import sleep - -LAST_UPDATE_ID = None +try: + from urllib.error import URLError +except ImportError: + from urllib2 import URLError # python 2 def main(): - global LAST_UPDATE_ID + update_id = None logging.basicConfig( format='%(asctime)s - %(name)s - %(levelname)s - %(message)s') @@ -33,33 +37,35 @@ def main(): # Telegram Bot Authorization Token bot = telegram.Bot('TOKEN') - # This will be our global variable to keep the latest update_id when requesting - # for updates. It starts with the latest update_id if available. - try: - LAST_UPDATE_ID = bot.getUpdates()[-1].update_id - except IndexError: - LAST_UPDATE_ID = None - while True: - echo(bot) - - -def echo(bot): - global LAST_UPDATE_ID - - # Request updates after the last updated_id - for update in bot.getUpdates(offset=LAST_UPDATE_ID, timeout=10): - # chat_id is required to reply any message + try: + update_id = echo(bot, update_id) + except telegram.TelegramError as e: + # These are network problems with Telegram. + if e.message in ("Bad Gateway", "Timed out"): + sleep(1) + else: + raise e + except URLError as e: + # These are network problems on our end. + sleep(1) + + +def echo(bot, update_id): + + # Request updates after the last update_id + for update in bot.getUpdates(offset=update_id, timeout=10): + # chat_id is required to reply to any message chat_id = update.message.chat_id - reply_text = update.message.text + update_id = update.update_id + 1 + message = update.message.text - if reply_text: - # Reply the message + if message: + # Reply to the message bot.sendMessage(chat_id=chat_id, - text=reply_text) + text=message) - # Updates global offset to get the new updates - LAST_UPDATE_ID = update.update_id + 1 + return update_id if __name__ == '__main__': pFad - Phonifier reborn

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