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venv/
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config.sh
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Creative Commons Legal Code
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CC0 1.0 Universal
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CREATIVE COMMONS CORPORATION IS NOT A LAW FIRM AND DOES NOT PROVIDE
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LEGAL SERVICES. DISTRIBUTION OF THIS DOCUMENT DOES NOT CREATE AN
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ATTORNEY-CLIENT RELATIONSHIP. CREATIVE COMMONS PROVIDES THIS
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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from uuid import uuid4
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from os import environ
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from collections import namedtuple
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from json import loads
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import logging
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from telegram import InlineQueryResultArticle
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from telegram import InputTextMessageContent
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from telegram import ParseMode
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from telegram.ext import CommandHandler
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from telegram.ext import InlineQueryHandler
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from telegram.ext import Updater
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import requests
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from bs4 import BeautifulSoup
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# Enable logging
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logging.basicConfig(format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
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level=logging.INFO)
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logger = logging.getLogger(__name__)
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Xkcd = namedtuple('Xkcd', ['title', 'link', 'transcript', 'alt', 'number'])
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URL_FMT_STR = "http://www.ohnorobot.com/index.php?Search=Search&comic=56&s={}"
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# FIXME HTML parsemode + escaping
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MSG_FMT_STR = "[{number}]({link}): *{title}*\n\n_{alt}_"
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XKCD_JSON_FMT_STR = "https://xkcd.com/{}/info.0.json"
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MAX_SEARCH_RESULTS = 10
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# blockquote element -> Xkcd
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def parse_blockquote(elem):
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children = list(elem.children)
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title = children[0].text
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link = 'https' + children[-1].text[4:]
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number = link.rsplit('/', 2)[1]
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info = loads(requests.get(XKCD_JSON_FMT_STR.format(number)).text)
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alt = info['alt']
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# TODO markdown bold the <span> matches
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text = ''.join(
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[e.text if hasattr(e, 'text') else e
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for
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e in children[1:-1]]
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)
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return Xkcd(title, link, text, alt, number)
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# string -> [Xkcd]
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def get_xkcds(text):
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logger.info("getting %s", text)
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if text == '':
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return []
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# TODO return newest when empty
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soup = BeautifulSoup(requests.get(URL_FMT_STR.format(text)).text, "html.parser")
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bqs = soup.find_all("blockquote")[:MAX_SEARCH_RESULTS]
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logger.info(bqs)
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return (parse_blockquote(e) for e in bqs)
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# Define a few command handlers. These usually take the two arguments bot and
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# update. Error handlers also receive the raised TelegramError object in error.
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def start(bot, update):
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"""Send a message when the command /start is issued."""
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# TODO
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update.message.reply_text('Hi!')
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def help(bot, update):
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"""Send a message when the command /help is issued."""
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# TODO
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update.message.reply_text('Help!')
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def inlinequery(bot, update):
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"""Handle the inline query."""
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# TODO show transcript in result but not message?
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query = update.inline_query.query
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results = []
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for xkcd in get_xkcds(query):
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number = xkcd.number
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link = xkcd.link
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title = xkcd.title
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alt = xkcd.alt
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results.append(InlineQueryResultArticle(
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id=uuid4(),
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title=xkcd.title,
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url=xkcd.link,
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input_message_content=InputTextMessageContent(
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MSG_FMT_STR.format(number=number, link=link, title=title, alt=alt),
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parse_mode=ParseMode.MARKDOWN)))
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update.inline_query.answer(results)
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def error(bot, update, error):
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"""Log Errors caused by Updates."""
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logger.warning('Update "%s" caused error "%s"', update, error)
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def main():
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# Create the Updater and pass it your bot's token.
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updater = Updater(environ["TOKEN"])
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# Get the dispatcher to register handlers
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dp = updater.dispatcher
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# on different commands - answer in Telegram
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dp.add_handler(CommandHandler("start", start))
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dp.add_handler(CommandHandler("help", help))
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# on noncommand i.e message - echo the message on Telegram
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dp.add_handler(InlineQueryHandler(inlinequery))
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# log all errors
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dp.add_error_handler(error)
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# Start the Bot
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updater.start_polling()
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# Block until the user presses Ctrl-C or the process receives SIGINT,
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# SIGTERM or SIGABRT. This should be used most of the time, since
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# start_polling() is non-blocking and will stop the bot gracefully.
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updater.idle()
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if __name__ == '__main__':
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main()
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