203 lines
9.6 KiB
Python
Executable file
203 lines
9.6 KiB
Python
Executable file
#!/usr/bin/env python3
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# vim:ts=4:sw=4:ft=python:fileencoding=utf-8
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# Copyright © 2015-2017 Carl Chenet <carl.chenet@ohmytux.com>
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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, either version 3 of the License, or
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# any later version.
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#
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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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#
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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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"""Checks an RSS feed and posts new entries to Mastodon."""
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# standard libraires imports
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import codecs
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import importlib
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import logging
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import logging.handlers
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import os
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import sys
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# 3rd party libraries imports
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import feedparser
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# app libraries imports
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from feed2toot.addtags import AddTags
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from feed2toot.cliparse import CliParse
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from feed2toot.confparse import ConfParse
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from feed2toot.filterentry import FilterEntry
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from feed2toot.removeduplicates import RemoveDuplicates
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from feed2toot.tootpost import TootPost
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from feed2toot.feedcache import FeedCache
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class Main(object):
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'''Main class of Feed2toot'''
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def __init__(self):
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self.main()
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def setup_logging(self, options):
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if options.syslog:
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sl = logging.handlers.SysLogHandler(address='/dev/log')
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sl.setFormatter(logging.Formatter('feed2toot[%(process)d]: %(message)s'))
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# convert syslog argument to a numeric value
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loglevel = getattr(logging, options.syslog.upper(), None)
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if not isinstance(loglevel, int):
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raise ValueError('Invalid log level: %s' % loglevel)
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sl.setLevel(loglevel)
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logging.getLogger('').addHandler(sl)
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logging.debug('configured syslog level %s' % loglevel)
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logging.getLogger('').setLevel(logging.DEBUG)
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sh = logging.StreamHandler()
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sh.setLevel(options.log_level.upper())
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logging.getLogger('').addHandler(sh)
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logging.debug('configured stdout level %s' % sh.level)
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def main(self):
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"""The main function."""
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clip = CliParse()
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clioptions = clip.options
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self.setup_logging(clioptions)
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# iterating over the different configuration files
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cfgp = ConfParse(clioptions)
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confs = cfgp.confvalues
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for conf in confs:
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options = conf[0]
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config = conf[1]
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tweetformat = conf[2]
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feeds = conf[3]
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plugins = conf[4]
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# create link to the persistent list
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cache = FeedCache(options)
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if options['hashtaglist']:
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severalwordshashtags = codecs.open(options['hashtaglist'],
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encoding='utf-8').readlines()
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severalwordshashtags = [i.rstrip('\n') for i in severalwordshashtags]
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# reverse feed entries because most recent one should be sent as the last one in Mastodon
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for feed in feeds:
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# store the patterns by rss
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if 'patterns' in feed:
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patterns = feed['patterns']
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entries = feed['feed']['entries'][0:clioptions.limit]
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entries.reverse()
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# --rss-sections option: print rss sections and exit
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if clioptions.rsssections:
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if entries:
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print('The following sections are available in this RSS feed: {}'.format([j for j in entries[0]]))
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sys.exit(0)
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else:
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sys.exit('Could not parse the section of the rss feed')
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totweet = []
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# cache the ids of last rss feeds
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if not clioptions.all:
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for i in entries:
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if 'id' in i and i['id'] not in cache.getdeque():
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totweet.append(i)
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else:
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totweet = entries
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for entry in totweet:
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if 'id' not in entry:
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# malformed feed entry, skip
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continue
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logging.debug('found feed entry {entryid}'.format(entryid=entry['id']))
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rss = {
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'id': entry['id'],
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}
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severalwordsinhashtag = False
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# lets see if the rss feed has hashtag
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if 'tags' in entry:
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hastags = True
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else:
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hastags = False
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if hastags:
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rss['hashtags'] = []
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for i, _ in enumerate(entry['tags']):
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if 'hashtaglist' in options:
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prehashtags = entry['tags'][i]['term']
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tmphashtags = entry['tags'][i]['term']
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for element in severalwordshashtags:
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if element in prehashtags:
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severalwordsinhashtag = True
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tmphashtags = prehashtags.replace(element,
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''.join(element.split()))
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# replace characters stopping a word from being a hashtag
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if severalwordsinhashtag:
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# remove ' from hashtag
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tmphashtags = tmphashtags.replace("'", "")
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# remove - from hashtag
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tmphashtags = tmphashtags.replace("-", "")
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# remove . from hashtag
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tmphashtags = tmphashtags.replace(".", "")
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# remove space from hashtag
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finalhashtags = tmphashtags.replace(" ", "")
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rss['hashtags'].append('#{}'.format(finalhashtags))
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else:
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nospace = ''.join(entry['tags'][i]['term'])
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# remove space from hashtag
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nospace = nospace.replace(" ", "")
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rss['hashtags'].append('#{}'.format(nospace))
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elements=[]
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for i in tweetformat.split(' '):
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tmpelement = ''
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# if i is not an empty string
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if i:
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if i.startswith('{') and i.endswith('}'):
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tmpelement = i.strip('{}')
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elements.append(tmpelement)
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# match elements of the tweet format string with available element in the RSS feed
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fe = FilterEntry(elements, entry, options, feed['patterns'], feed['rssobject'])
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entrytosend = fe.finalentry
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if entrytosend:
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tweetwithnotag = tweetformat.format(**entrytosend)
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# remove duplicates from the final tweet
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dedup = RemoveDuplicates(tweetwithnotag)
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# only append hashtags if they exist
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# remove last tags if tweet too long
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if 'hashtags' in rss:
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addtag = AddTags(dedup.finaltweet, rss['hashtags'])
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finaltweet = addtag.finaltweet
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else:
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finaltweet = dedup.finaltweet
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if clioptions.dryrun:
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if entrytosend:
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logging.warning('Tweet should have been sent: {tweet}'.format(tweet=finaltweet))
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else:
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logging.debug('This rss entry did not meet pattern criteria. Should have not been sent')
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else:
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storeit = True
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if entrytosend and not clioptions.populate:
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logging.debug('sending the following tweet:{tweet}'.format(tweet=finaltweet))
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twp = TootPost(config, finaltweet)
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storeit = twp.storeit()
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else:
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logging.debug('populating RSS entry {}'.format(rss['id']))
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# in both cas we store the id of the sent tweet
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if storeit:
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cache.append(rss['id'])
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# plugins
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if plugins and entrytosend:
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for plugin in plugins:
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capitalizedplugin = plugin.title()
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pluginclassname = '{plugin}Plugin'.format(plugin=capitalizedplugin)
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pluginmodulename = 'feed2toot.plugins.{pluginmodule}'.format(pluginmodule=pluginclassname.lower())
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try:
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pluginmodule = importlib.import_module(pluginmodulename)
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pluginclass = getattr(pluginmodule, pluginclassname)
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pluginclass(plugins[plugin], finaltweet)
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except ImportError as err:
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print(err)
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# do not forget to close cache (shelf object)
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cache.close()
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