103 lines
2.9 KiB
Python
103 lines
2.9 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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import asyncio
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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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import requests
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from telethon import TelegramClient, events
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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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bot = TelegramClient('xkcd', 6, 'eb06d4abfb49dc3eeb1aeb98ae0f581e')
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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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@bot.on(events.NewMessage(pattern='/start$'))
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async def start(event):
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"""Send a message when the command /start is issued."""
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# TODO
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await event.respond('Hi!')
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@bot.on(events.NewMessage(pattern='/help$'))
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async def help(event):
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"""Send a message when the command /help is issued."""
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# TODO
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await event.respond('Help!')
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@bot.on(events.InlineQuery)
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async def inlinequery(event):
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"""Handle the inline query."""
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# TODO show transcript in result but not message?
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builder = event.builder
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result = await asyncio.gather(*(builder.article(
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title=xkcd.title,
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url=xkcd.link,
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text=MSG_FMT_STR.format(number=xkcd.number, link=xkcd.link, title=xkcd.title, alt=xkcd.alt)
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) for xkcd in get_xkcds(event.text)))
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# FIXME get_xkcds returns duplicates, which lead to the same result ID
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# Build a dict by their ID to remove the duplicates
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result = list({r.id: r for r in result}.values())
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await event.answer(result)
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def main():
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bot.start(bot_token=environ['TOKEN'])
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with bot:
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bot.run_until_disconnected()
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if __name__ == '__main__':
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main()
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