mirror of https://github.com/Mikaela/Limnoria.git
Threaded RSS's announcements and made reloading/flushing work properly.
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0098784ffd
commit
0c2de453f2
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@ -39,12 +39,14 @@ import plugins
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import sets
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import time
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import threading
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from itertools import imap
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import rssparser
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import conf
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import utils
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import world
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import ircmsgs
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import ircutils
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import privmsgs
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@ -81,6 +83,8 @@ conf.registerGlobalValue(conf.supybot.plugins.RSS, 'waitPeriod',
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wait between retrieving RSS feeds; requests made within this period will
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return cached results."""))
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conf.registerGroup(conf.supybot.plugins.RSS, 'feeds')
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conf.supybot.plugins.RSS.feeds.help = utils.normalizeWhitespace("""These are
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the registered feeds for the RSS plugin.""")
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def registerFeed(name, url):
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conf.supybot.plugins.RSS.feeds.register(name, registry.String(url, ''))
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@ -92,7 +96,6 @@ class RSS(callbacks.Privmsg):
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self.feedNames = sets.Set()
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self.lastRequest = {}
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self.cachedFeeds = {}
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L = conf.supybot.plugins.RSS.feeds.getValues(fullNames=False)
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for (name, url) in registry._cache.iteritems():
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name = name.lower()
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if name.startswith('supybot.plugins.rss.feeds.'):
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@ -108,46 +111,60 @@ class RSS(callbacks.Privmsg):
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L = conf.supybot.plugins.RSS.announce.getValues(fullNames=False)
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for (channel, v) in L:
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feeds = v()
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bold = self.registryValue('bold', channel)
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sep = self.registryValue('headlineSeparator', channel)
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prefix = self.registryValue('announcementPrefix', channel)
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for name in feeds:
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if self.isCommand(callbacks.canonicalName(name)):
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url = self.getCommand(name).url
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else:
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url = name
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try:
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oldresults = self.cachedFeeds[url]
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oldheadlines = self.getHeadlines(oldresults)
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except KeyError:
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oldheadlines = []
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# TODO: This should be threaded.
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newresults = self.getFeed(url)
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newheadlines = self.getHeadlines(newresults)
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for headline in oldheadlines:
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try:
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newheadlines.remove(headline)
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except ValueError:
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pass
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if newheadlines:
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pre = '%s%s: ' % (prefix, name)
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if bold:
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pre = ircutils.bold(pre)
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irc.replies(newheadlines, prefixer=pre, joiner=sep,
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to=channel, prefixName=False)
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if self.willGetNewFeed(url):
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t = threading.Thread(target=self._newHeadlines,
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name='Fetching <%s>' % url,
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args=(irc, channel, name, url))
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self.log.info('Spawning thread to fetch <%s>', url)
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world.threadsSpawned += 1
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t.start()
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def _newHeadlines(self, irc, channel, name, url):
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try:
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oldresults = self.cachedFeeds[url]
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oldheadlines = self.getHeadlines(oldresults)
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except KeyError:
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oldheadlines = []
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newresults = self.getFeed(url)
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newheadlines = self.getHeadlines(newresults)
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for headline in oldheadlines:
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try:
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newheadlines.remove(headline)
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except ValueError:
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pass
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bold = self.registryValue('bold', channel)
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sep = self.registryValue('headlineSeparator', channel)
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prefix = self.registryValue('announcementPrefix', channel)
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if newheadlines:
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pre = '%s%s: ' % (prefix, name)
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if bold:
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pre = ircutils.bold(pre)
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irc.replies(newheadlines, prefixer=pre, joiner=sep,
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to=channel, prefixName=False)
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def getFeed(self, url):
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def willGetNewFeed(self, url):
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now = time.time()
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wait = self.registryValue('waitPeriod')
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if url not in self.lastRequest or now - self.lastRequest[url] > wait:
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return True
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else:
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return False
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def getFeed(self, url):
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if self.willGetNewFeed(url):
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try:
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self.log.info('Downloading new feed from %s', url)
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self.log.info('Downloading new feed from <%s>', url)
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results = rssparser.parse(url)
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except sgmllib.SGMLParseError:
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self.log.exception('Uncaught exception from rssparser:')
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raise callbacks.Error, 'Invalid (unparseable) RSS feed.'
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self.cachedFeeds[url] = results
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self.lastRequest[url] = now
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self.lastRequest[url] = time.time()
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return self.cachedFeeds[url]
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def getHeadlines(self, feed):
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@ -198,7 +215,7 @@ class RSS(callbacks.Privmsg):
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irc.replySuccess()
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def announce(self, irc, msg, args):
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"""[<channel>] <name|url> [<name|url> ...]
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"""[<channel>] [<name|url> ...]
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Sets the current list of announced feeds in the channel to the feeds
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given. Valid feeds include the names of registered feeds as well as
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@ -207,8 +224,11 @@ class RSS(callbacks.Privmsg):
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"""
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channel = privmsgs.getChannel(msg, args)
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conf.supybot.plugins.RSS.announce.get(channel).setValue(args)
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irc.replySuccess()
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if not args:
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irc.replySuccess('All previous announced feeds removed.')
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else:
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irc.replySuccess()
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def rss(self, irc, msg, args):
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"""<url>
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@ -50,6 +50,7 @@ import log
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import conf
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import drivers
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import ircutils
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import registry
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import schedule
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startedAt = time.time() # Just in case it doesn't get set later.
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@ -88,6 +89,9 @@ def upkeep():
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flushed = conf.supybot.flush()
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if flushed:
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flush()
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# This is so registry._cache gets filled.
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if registryFilename is not None:
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registry.open(registryFilename)
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if not dying:
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log.debug('Regexp cache size: %s', len(sre._cache))
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log.debug('Pattern cache size: %s'%len(ircutils._patternCache))
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