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newsbot.py
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import datetime
from SingletonByArgs import SingletonByArgs
from telegram.ext import Updater, CommandHandler, MessageHandler, Filters
from env import NEWS_API_KEY
from newsapi import NewsApiClient
newsapi = NewsApiClient(api_key=NEWS_API_KEY)
def start(update, context):
"""Send a message when the command /start is issued."""
update.message.reply_text('Hello type some keywords to start searching for news on the web.')
def help(update, context):
"""Send a message when the command /help is issued."""
update.message.reply_text('Hello type some keywords to start searching for news on the web.')
def reply(update, context):
"""Echo the user message."""
today = datetime.datetime.utcnow()
last_week = today - datetime.timedelta(weeks=3)
all_articles = newsapi.get_everything(q=update.message.text,
sources='bbc-news,the-verge,abc-news-au,bbc-sport,bloomberg,crypto-coins-news,engadget,espn,national-geographic',
from_param=today,
to=last_week,
language='en',
sort_by='relevancy')
for i in all_articles['articles'][:3]:
update.message.reply_text("%s\n\n%s" % (i['source']['name'], i['url']))
if len(all_articles['articles']) == 0:
update.message.reply_text("No related news has been found. Try to simplify what you want with keywords.")
class NewsBot(metaclass=SingletonByArgs):
def __init__(self, news_bot_api_key):
self.updater = Updater(news_bot_api_key, use_context=True)
# Get the dispatcher to register handlers
dp = self.updater.dispatcher
# on different commands - answer in Telegram
dp.add_handler(CommandHandler("start", start))
dp.add_handler(CommandHandler("help", help))
dp.add_handler(MessageHandler(Filters.text, reply))
def start(self):
print(self.updater)
# Start the Bot
return self.updater.start_polling(poll_interval=0.12)
def stop(self):
self.updater.stop()
def main():
pass
if __name__ == '__main__':
main()