188 lines
7.0 KiB
Python
188 lines
7.0 KiB
Python
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# -*- coding: utf-8 -*-
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# Copyright (C) 2011, 2014, 2020 kaliko <kaliko@azylum.org>
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# Copyright (C) 2020 Adrien Bourmault <neox@os-k.eu>
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, version 3 only.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import datetime
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import threading
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import bs4
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import time
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import traceback
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from urllib.error import URLError
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from feedparser import parse as feed_parse
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from sid.plugin import Plugin, botcmd
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html_escape_table = {
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"&": "&",
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'"': """,
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"'": "'",
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">": ">",
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"<": "<",
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}
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def html_escape(text):
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"""Produce entities within text."""
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return ''.join(html_escape_table.get(c, c) for c in text)
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def strtm_to_dtm(struc_time):
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return datetime.datetime(*struc_time[:6])
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class FeedMonitor(threading.Thread):
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def __init__(self, plugin):
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threading.Thread.__init__(self)
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self.feeds_list = plugin.FEEDS
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self.tempo = plugin.TEMPO
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self.plugin = plugin
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self.last_check = datetime.datetime.utcnow()
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self.seen = dict()
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self.thread_killed = False
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def _update_cache(self, feed, parsed):
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self.seen[feed].update({'ids': {p.id for p in parsed.entries} or {}})
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# Common HTTP caching
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if parsed.get('etag', False):
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self.seen[feed].update({'cache': {'etag': parsed.etag}})
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if parsed.get('modified', False):
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self.seen[feed].update({'cache': {'modified': parsed.modified}})
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def new_posts(self, feed):
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"""Send new posts in feed"""
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self.plugin.log.debug('feed: : "%s"', feed)
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if self.seen.get(feed) and self.seen.get(feed).get('cache'):
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parsed_feed = feed_parse(feed, **self.seen[feed]['cache'])
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else:
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if self.seen.get(feed):
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self.plugin.log.debug('No cache headers set (etag/modified)')
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parsed_feed = feed_parse(feed)
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# Cannot resolve address
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if 'status' not in parsed_feed:
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self.plugin.log.error('Error from "%s": %s.',
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feed, parsed_feed.bozo_exception.__repr__())
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return
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# http caching
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if parsed_feed.status == 304:
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self.plugin.log.debug('Got 304 not modified')
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return
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# unusual return http code
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if parsed_feed.status != 200:
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self.plugin.log.warning(
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'Got code %(status)d from "%(href)s" (please update).',
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parsed_feed)
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return
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if not self.seen.setdefault(feed):
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# Fills with post id when first started (prevent from posting all
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# entries at startup)
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self.seen[feed] = {'cache': None}
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self._update_cache(feed, parsed_feed)
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return
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title = '[%s]' % parsed_feed.feed.get('title', 'n/a')
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xtitle = '<strong>%s</strong>:' % html_escape(
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parsed_feed.feed.get('title', 'n/a'))
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text = [title]
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xhtml = [xtitle]
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# Detecting new post
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entries = {p.id for p in parsed_feed.entries}
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seen_ids = self.seen.get(feed).get('ids')
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new_entries = [p for p in parsed_feed.entries
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if p.id in entries - seen_ids]
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for post in new_entries:
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self.plugin.log.info(post.title)
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self.plugin.log.info(post.title)
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body = '%(title)s ' % post
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try:
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body += "\nSummary: " + bs4.BeautifulSoup('%(summary)s' % post).select(".blockquote")[0].get_text()
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except IndexError:
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pass
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body += '\n%(link)s' % post
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text.append(bs4.BeautifulSoup(body).get_text())
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xpost = {'title': html_escape(post.get('title', 'n/a'))}
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xpost['link'] = html_escape(post.get('link',))
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xbody = '<a href="{link}">{title}</a>'.format(**xpost)
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xhtml.append(xbody)
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# Updating self.seen, entries and cache headers
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self._update_cache(feed, parsed_feed)
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if len(text) > 1:
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self.plugin.send(self.plugin.bot.room,
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{'mhtml': '<br />'.join(xhtml), 'mbody': '\n'.join(text)},
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mtype='groupchat')
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def run(self):
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while not self.thread_killed:
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self.plugin.log.debug('feeds check')
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for feed in self.feeds_list:
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try:
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self.new_posts(feed)
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except ConnectionError as err: # Non fatal exception
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self.plugin.log.error('connection error on %s: %s', feed, err)
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except URLError as err: # Non fatal exception
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self.plugin.log.error('error for "%s": %s', feed, err.reason)
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except Exception as err: # Unknown execption, killing thread anyway
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self.plugin.log.error('feeds thread crashed: %s', err)
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self.plugin.log.error(''.join(traceback.format_exc()))
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self.thread_killed = True
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self.last_check = datetime.datetime.utcnow()
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for _ in list(range(self.tempo)):
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time.sleep(1)
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if self.thread_killed:
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return
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class Feeds(Plugin):
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"""
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.. note::
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Feeds plugin depends on external module: **feedparser**
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"""
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TEMPO = 1
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FEEDS = [ 'https://gitlab.os-k.eu/os-k-team/os-k.atom?feed_token=En-15azki1VriEgkCQHN',
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'https://gitlab.os-k.eu/os-k-team/kvisc.atom?feed_token=En-15azki1VriEgkCQHN',
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'https://gitlab.os-k.eu/os-k-team/sid-xmpp-bot.atom?feed_token=En-15azki1VriEgkCQHN',
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'https://gitlab.os-k.eu/os-k-team/cross-cc-builder.atom?feed_token=En-15azki1VriEgkCQHN'
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]
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def __init__(self, bot):
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Plugin.__init__(self, bot)
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self.last_check = None
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self.th_mon = FeedMonitor(self)
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self.th_mon.start()
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def shutdown(self):
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self.th_mon.thread_killed = True
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@botcmd
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def feeds(self, rcv, args):
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"""Monitors project related feeds.
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* ``!feeds`` : registred feeds list
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* ``!feeds last`` : last check time"""
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if 'last' in args:
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date = '{:%Y-%m-%d %H:%M} (utc)'.format(self.th_mon.last_check)
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self.reply(rcv, f'Last feeds check: {date}')
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return
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html = ['<a href="{0}">{1}</a>'.format(html_escape(u),
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html_escape(u[7:])
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) for u in Feeds.FEEDS]
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msg = {'mbody': 'Feeds:\n' + '\n'.join(Feeds.FEEDS),
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'mhtml': 'Feeds:<br />' + '<br />'.join(html)}
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self.reply(rcv, msg)
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