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#!/usr/bin/env python3
from urllib.request import urlopen, Request
from datetime import datetime
from bs4 import BeautifulSoup
import sys
def _format_date(dt):
"""convert a datetime into an RFC 822 formatted date
Input date must be in GMT.
Stolen from PyRSS2Gen.
"""
# Looks like:
# Sat, 07 Sep 2002 00:00:01 GMT
# Can't use strftime because that's locale dependent
#
# Isn't there a standard way to do this for Python? The
# rfc822 and email.Utils modules assume a timestamp. The
# following is based on the rfc822 module.
return "%s, %02d %s %04d %02d:%02d:%02d GMT" % (
["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"][dt.weekday()],
dt.day,
["Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"][dt.month-1],
dt.year, dt.hour, dt.minute, dt.second)
def telegram(channel):
url = 'https://t.me/s/' + channel
res = urlopen(Request(url))
soup = BeautifulSoup(res, features="html.parser")
# messages = soup.find_all('div', attrs={'class': 'tgme_widget_message_wrap'})
messages = soup.find_all('div', attrs={'class': 'tgme_widget_message_bubble'})
for message in messages:
date = message.find('time', attrs={'class': 'time'})['datetime']
html = message.find('div', attrs={'class': 'tgme_widget_message_text'})
# preview = message.find('div', attrs={'class': 'tgme_widget_message_bubble'})
link = message.find('a', attrs={'class': 'tgme_widget_message_date'})
title = html.text if html else 'No text'
description = str(message) # if preview else '?'
link = link['href']
yield title, description, link, date
def main(channel):
url = 'https://t.me/s/' + channel
print("""<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0">
<channel>
<title>Telegram: """ + channel + """</title>
<link>""" + url + """</link>
<description>The latest entries of the telegram channel of """ +channel + """</description>
<lastBuildDate>""" + _format_date(datetime.now()) + """</lastBuildDate>""")
for title, description, link, date in telegram(channel):
print(' <item>')
print(' <title><![CDATA[' + title + ']]></title>')
print(' <link>' + link + '</link>')
print(' <description><![CDATA[' + description + ']]></description>')
print(' <pubDate>' + date + '</pubDate>')
# print(' <media:content url="' + thumbnail + b'" type="image/jpeg" />')
print(' </item>')
print(' </channel>')
print('</rss>')
if __name__ == "__main__":
if len(sys.argv) != 2:
print('Usage:', sys.argv[0], '<telegram channel>')
sys.exit(1)
main(sys.argv[1])
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