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Telegram bot to convert webpage at given url into pdf
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| # -*- coding: utf-8 -*- | |
| # MyBot https://t.me/Urlsepdfbot | |
| #[if url doesn't work on desktop use mobile to open] | |
| # how to use | |
| # ========================================= | |
| # add auth token first | |
| # run the file | |
| # go to telegram | |
| # /start cmd : (optional) to see start msg | |
| # /help cmd : (optional) to get help | |
| # to convert url2pdf just type url (required) | |
| # dont type /start again to download file | |
| # =========================================== | |
| import logging | |
| import pdfkit | |
| from telegram.ext import Updater, CommandHandler, MessageHandler, Filters | |
| token ='YOUR_AUTH_TOKEN' | |
| logging.basicConfig(format='%(asctime)s - %(name)s - %(levelname)s - %(message)s', level=logging.INFO) | |
| logger = logging.getLogger('URL2PDF') | |
| # downloading pdf file | |
| def download(url): | |
| logger.info("pdf downloading") | |
| # wkhtl2pdf options | |
| options={ | |
| "load-error-handling": "ignore", | |
| "load-media-error-handling":"ignore", | |
| "stop-slow-scripts":"", | |
| "disable-local-file-access":"", | |
| "javascript-delay":10000, | |
| } | |
| #handling errors | |
| try: | |
| pdfkit.from_url(url, 'out.pdf' ,options=options) | |
| except : | |
| #handle any type of error occured during downloading pdf file | |
| error = sys.exc_info()[0] | |
| #these errors are thrown by pdfkit while using wkhtml2pdf under the hood | |
| logger.warning(error," : an error occured: pdf file may miss some content") | |
| finally: | |
| #finally pass the as much downloaded file further | |
| pass; | |
| # get url from user | |
| def geturl(update, context): | |
| """Accept url""" | |
| logger.info('Url2pdf') | |
| chat_id = update.message.chat_id | |
| url = update.message.text | |
| logger.info("url => {}".format(url)) | |
| download(url) | |
| logger.info("pdf downloaded") | |
| context.bot.send_document(chat_id=chat_id, document=open('out.pdf', 'rb')) | |
| logger.info('pdf sent') | |
| # start cmd | |
| def start(update,context): | |
| logger.info('starting cmd') | |
| # Shortcut for: bot.send_message(update.message.chat_id, *args, **kwargs) | |
| update.message.reply_text("👋 hey let\'s start...") | |
| # help cmd | |
| def help(update,context): | |
| logger.info("help cmd") | |
| update.message.reply_text("hey 👋\nhappy to help you...😊") | |
| # error handler callback | |
| def errorHandler(update, context): | |
| """Log Errors caused by Updates.""" | |
| logger.warning('Update "%s" caused error "%s"', update, context.error) | |
| update.message.reply_text("error:file too long") | |
| if __name__ == '__main__': | |
| print("welcome to url2pdf") | |
| #Updater: Its purpose is to receive the updates from Telegram and to deliver them to said dispatcher | |
| updater = Updater(token=token, use_context=True) | |
| # Get the dispatcher to register handlers | |
| # dispatches all kinds of updates to its registered handlers. | |
| dp = updater.dispatcher | |
| # error handling | |
| # log all errors | |
| dp.add_error_handler(errorHandler) | |
| # handling commands | |
| # commands starts with / in telegram | |
| dp.add_handler(CommandHandler(['start'], start)) #/start | |
| dp.add_handler(CommandHandler(['help'], help)) #/help | |
| # on noncommand i.e message - echo the message on Telegram | |
| #allow handling of text msgs only | |
| dp.add_handler(MessageHandler(Filters.text, geturl)) | |
| # Start the Bot | |
| # Starts polling updates from Telegram. | |
| updater.start_polling(timeout=60) | |
| updater.idle() |
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