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bbcbot.py
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bbcbot.py
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#!/usr/bin/env python
#
# Semaphore: A simple (rule-based) bot library for Signal Private Messenger.
# Copyright (C) 2020 Lazlo Westerhof <semaphore@lazlo.me>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
"""
Signal Bot example, replies with latest BBC headlines.
"""
import os
import re
import asks # type: ignore
import feedparser # type: ignore
from semaphore import Bot, ChatContext
async def bbc_info(ctx: ChatContext) -> None:
info = """BBC News Bot
!bbc world - BBC World news
!bbc business - BBC Business news
!bbc politics - BBC Politics news
!bbc tech - BBC Technology news"""
await ctx.message.reply(body=info)
FEEDS = {
"world": "http://feeds.bbci.co.uk/news/world/rss.xml",
"politics": "http://feeds.bbci.co.uk/news/politics/rss.xml",
"business": "http://feeds.bbci.co.uk/news/business/rss.xml",
"tech": "http://feeds.bbci.co.uk/news/technology/rss.xml",
}
DEFAULT_FEED = "http://feeds.bbci.co.uk/news/rss.xml"
async def bbc_feed(ctx: ChatContext):
# Find out which news feed to parse.
news = ctx.match.group(1)
feed = FEEDS.get(news, DEFAULT_FEED)
# Parse news feed.
Feed = feedparser.parse((await asks.get(feed)).text)
# Create message with 3 latest headlines.
reply = []
for x in range(3):
pointer = Feed.entries[x]
reply.append(f"{pointer.title} ({pointer.link})")
if x < 2:
reply.append("\n")
await ctx.message.reply("\n".join(reply))
async def main():
"""Start the bot."""
# Connect the bot to number.
async with Bot(os.environ["SIGNAL_PHONE_NUMBER"]) as bot:
bot.register_handler("!bbc info", bbc_info)
bot.register_handler(re.compile("!bbc (.*)"), bbc_feed)
bot.register_handler("!bbc", bbc_feed)
# Run the bot until you press Ctrl-C.
await bot.start()
if __name__ == '__main__':
import anyio
anyio.run(main)