mirror of
https://github.com/Mikaela/Limnoria.git
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Merge branch 'rewrite-rss' into testing
Conflicts: src/utils/str.py
This commit is contained in:
Valentin Lorentz
commit
4a3d39e747
@ -50,19 +50,33 @@ class FeedItemSortOrder(registry.OnlySomeStrings):
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validStrings = ('asInFeed', 'oldestFirst', 'newestFirst')
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RSS = conf.registerPlugin('RSS')
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conf.registerChannelValue(RSS, 'bold', registry.Boolean(
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True, _("""Determines whether the bot will bold the title of the feed when
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it announces news.""")))
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conf.registerGlobalValue(RSS, 'feeds',
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FeedNames([], _("""Determines what feeds should be accessible as
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commands.""")))
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########
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# Format
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conf.registerChannelValue(RSS, 'headlineSeparator',
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registry.StringSurroundedBySpaces('|', _("""Determines what string is
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used to separate headlines in new feeds.""")))
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conf.registerChannelValue(RSS, 'announcementPrefix',
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registry.StringWithSpaceOnRight(_('News from '), _("""Determines what
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prefix is prepended (if any) to the news item announcements made in the
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channel.""")))
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conf.registerChannelValue(RSS, 'announcementSeparator',
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registry.StringWithSpaceOnRight(_(': '), _("""Determines what
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suffix is appended to the feed name in a news item.""")))
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conf.registerChannelValue(RSS, 'format',
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registry.String(_('$date: $title <$link>'), _("""The format the bot
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will use for displaying headlines of a RSS feed that is triggered
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manually. In addition to fields defined by feedparser ($published
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(the entry date), $title, $link, $description, $id, etc.), the following
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variables can be used: $feed_name, $date (parsed date, as defined in
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supybot.reply.format.time)""")))
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conf.registerChannelValue(RSS, 'announceFormat',
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registry.String(_('News from $feed_name: $title <$link>'),
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_("""The format the bot will use for displaying headlines of a RSS feed
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that is announced. See supybot.plugins.RSS.format for the available
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variables.""")))
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###########
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# Announces
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conf.registerChannelValue(RSS, 'announce',
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registry.SpaceSeparatedSetOfStrings([], _("""Determines which RSS feeds
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should be announced in the channel; valid input is a list of strings
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@ -75,25 +89,10 @@ conf.registerGlobalValue(RSS, 'sortFeedItems',
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FeedItemSortOrder('asInFeed', _("""Determines whether feed items should be
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sorted by their update timestamp or kept in the same order as they appear
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in a feed.""")))
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conf.registerGlobalValue(RSS, 'stripRedirect', registry.Boolean(
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True, """Determines whether the bot will attempt to strip url redirection
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from headline links, by taking things after the last http://."""))
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conf.registerGlobalValue(RSS, 'feeds',
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FeedNames([], _("""Determines what feeds should be accessible as
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commands.""")))
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conf.registerChannelValue(RSS, 'showLinks',
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registry.Boolean(True, _("""Determines whether the bot will list the link
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along with the title of the feed when the rss command is called.
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supybot.plugins.RSS.announce.showLinks affects whether links will be
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listed when a feed is automatically announced.""")))
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conf.registerChannelValue(RSS, 'showPubDate',
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registry.Boolean(False, """Determines whether the bot will list the
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publication datetime stamp along with the title of the feed when the rss
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command is called.
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supybot.plugins.RSS.announce.showPubDate affects whether this will be
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listed when a feed is automatically announced."""))
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conf.registerGlobalValue(RSS, 'defaultNumberOfHeadlines',
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####################
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# Headlines filtering
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conf.registerChannelValue(RSS, 'defaultNumberOfHeadlines',
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registry.PositiveInteger(1, _("""Indicates how many headlines an rss feed
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will output by default, if no number is provided.""")))
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conf.registerChannelValue(RSS, 'initialAnnounceHeadlines',
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@ -108,19 +107,5 @@ conf.registerChannelValue(RSS, 'keywordBlacklist',
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strings, lets you filter headlines to those not containing any items
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in this blacklist.""")))
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conf.registerGroup(RSS, 'announce')
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conf.registerChannelValue(RSS.announce, 'showLinks',
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registry.Boolean(True, _("""Determines whether the bot will list the link
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along with the title of the feed when a feed is automatically
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announced.""")))
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conf.registerChannelValue(RSS.announce, 'showPubDate',
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registry.Boolean(False, """Determines whether the bot will list the
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publication datetime stamp along with the title of the feed when a feed
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is automatically announced."""))
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conf.registerGlobalValue(RSS.announce, 'cachePeriod',
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registry.PositiveInteger(604800, """Maximum age of cached RSS headlines,
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in seconds. Headline cache is used to avoid re-announcing old news."""))
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# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79:
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@ -1,6 +1,7 @@
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###
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# Copyright (c) 2002-2004, Jeremiah Fincher
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# Copyright (c) 2008-2010, James McCoy
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# Copyright (c) 2014, Valentin Lorentz
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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@ -30,6 +31,7 @@
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import time
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import types
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import string
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import socket
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import threading
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import re
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@ -40,18 +42,68 @@ import supybot.conf as conf
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import supybot.utils as utils
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import supybot.world as world
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from supybot.commands import *
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import supybot.ircmsgs as ircmsgs
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import supybot.ircutils as ircutils
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import supybot.registry as registry
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import supybot.callbacks as callbacks
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from supybot.i18n import PluginInternationalization, internationalizeDocstring
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_ = PluginInternationalization('RSS')
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def getFeedName(irc, msg, args, state):
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def get_feedName(irc, msg, args, state):
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if not registry.isValidRegistryName(args[0]):
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state.errorInvalid('feed name', args[0],
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'Feed names must not include spaces.')
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state.args.append(callbacks.canonicalName(args.pop(0)))
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addConverter('feedName', getFeedName)
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addConverter('feedName', get_feedName)
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class Feed:
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__slots__ = ('url', 'name', 'data', 'last_update', 'entries',
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'lock', 'announced_entries')
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def __init__(self, name, url, plugin_is_loading=False):
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assert name, name
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if not url:
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assert utils.web.httpUrlRe.match(name), name
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url = name
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self.name = name
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self.url = url
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self.data = None
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# We don't want to fetch feeds right after the plugin is
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# loaded (the bot could be starting, and thus already busy)
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self.last_update = time.time() if plugin_is_loading else 0
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self.entries = []
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self.lock = threading.Lock()
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self.announced_entries = utils.structures.TruncatableSet()
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def get_command(self, plugin):
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docstring = format(_("""[<number of headlines>]
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Reports the titles for %s at the RSS feed %u. If
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<number of headlines> is given, returns only that many headlines.
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RSS feeds are only looked up every supybot.plugins.RSS.waitPeriod
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seconds, which defaults to 1800 (30 minutes) since that's what most
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websites prefer."""), self.name, self.url)
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def f(self2, irc, msg, args):
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args.insert(0, self.url)
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self2.rss(irc, msg, args)
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f = utils.python.changeFunctionName(f, self.name, docstring)
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f = types.MethodType(f, plugin)
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return f
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def sort_feed_items(items, order):
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"""Return feed items, sorted according to sortFeedItems."""
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if order not in ['oldestFirst', 'newestFirst']:
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return items
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if order == 'oldestFirst':
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reverse = False
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if order == 'newestFirst':
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reverse = True
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try:
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sitems = sorted(items, key=lambda i: i['updated'], reverse=reverse)
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except KeyError:
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# feedparser normalizes required timestamp fields in ATOM and RSS
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# to the "updated" field. Feeds missing it are unsortable by date.
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return items
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return sitems
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class RSS(callbacks.Plugin):
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"""This plugin is useful both for announcing updates to RSS feeds in a
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@ -62,326 +114,170 @@ class RSS(callbacks.Plugin):
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def __init__(self, irc):
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self.__parent = super(RSS, self)
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self.__parent.__init__(irc)
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# Schema is feed : [url, command]
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self.feedNames = callbacks.CanonicalNameDict()
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self.locks = {}
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self.lastRequest = {}
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self.cachedFeeds = {}
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self.cachedHeadlines = {}
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self.gettingLockLock = threading.Lock()
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# Scheme: {name: url}
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self.feed_names = callbacks.CanonicalNameDict()
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# Scheme: {url: feed}
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self.feeds = {}
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for name in self.registryValue('feeds'):
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self._registerFeed(name)
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self.assert_feed_does_not_exist(name)
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self.register_feed_config(name)
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try:
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url = self.registryValue(registry.join(['feeds', name]))
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except registry.NonExistentRegistryEntry:
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self.log.warning('%s is not a registered feed, removing.',name)
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continue
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self.makeFeedCommand(name, url)
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self.getFeed(url) # So announced feeds don't announce on startup.
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self.register_feed(name, url, True)
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##################
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# Feed registering
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def assert_feed_does_not_exist(self, name):
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if self.isCommandMethod(name):
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s = format('I already have a command in this plugin named %s.',name)
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raise callbacks.Error(s)
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def register_feed_config(self, name, url=''):
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self.registryValue('feeds').add(name)
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group = self.registryValue('feeds', value=False)
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conf.registerGlobalValue(group, name, registry.String(url, ''))
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def register_feed(self, name, url, plugin_is_loading):
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self.feed_names[name] = url
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self.feeds[url] = Feed(name, url, plugin_is_loading)
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def remove_feed(self, feed):
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del self.feed_names[feed.name]
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del self.feeds[feed.url]
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conf.supybot.plugins.RSS.feeds().remove(feed.name)
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conf.supybot.plugins.RSS.feeds.unregister(feed.name)
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##################
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# Methods handling
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def isCommandMethod(self, name):
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if not self.__parent.isCommandMethod(name):
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if name in self.feedNames:
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return True
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else:
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return False
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return bool(self.get_feed(name))
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else:
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return True
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def listCommands(self):
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return self.__parent.listCommands(self.feedNames.keys())
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return self.__parent.listCommands(self.feeds.keys())
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def getCommandMethod(self, command):
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try:
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return self.__parent.getCommandMethod(command)
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except AttributeError:
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return self.feedNames[command[0]][1]
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def _registerFeed(self, name, url=''):
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self.registryValue('feeds').add(name)
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group = self.registryValue('feeds', value=False)
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conf.registerGlobalValue(group, name, registry.String(url, ''))
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return self.get_feed(command[0]).get_command(self)
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def __call__(self, irc, msg):
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self.__parent.__call__(irc, msg)
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irc = callbacks.SimpleProxy(irc, msg)
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newFeeds = {}
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for channel in irc.state.channels:
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feeds = self.registryValue('announce', channel)
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for name in feeds:
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commandName = callbacks.canonicalName(name)
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if self.isCommandMethod(commandName):
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url = self.feedNames[commandName][0]
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else:
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url = name
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if self.willGetNewFeed(url):
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newFeeds.setdefault((url, name), []).append(channel)
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for ((url, name), channels) in newFeeds.iteritems():
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# We check if we can acquire the lock right here because if we
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# don't, we'll possibly end up spawning a lot of threads to get
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# the feed, because this thread may run for a number of bytecodes
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# before it switches to a thread that'll get the lock in
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# _newHeadlines.
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if self.acquireLock(url, blocking=False):
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try:
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t = threading.Thread(target=self._newHeadlines,
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name=format('Fetching %u', url),
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args=(irc, channels, name, url))
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self.log.info('Checking for announcements at %u', url)
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world.threadsSpawned += 1
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t.setDaemon(True)
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t.start()
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finally:
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self.releaseLock(url)
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time.sleep(0.1) # So other threads can run.
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self.update_feeds()
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def buildHeadlines(self, headlines, channel, linksconfig='announce.showLinks', dateconfig='announce.showPubDate'):
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newheadlines = []
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for headline in headlines:
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link = ''
|
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pubDate = ''
|
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if self.registryValue(linksconfig, channel):
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if headline[1]:
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if self.registryValue('stripRedirect'):
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link = re.sub('^.*http://', 'http://', headline[1])
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else:
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link = headline[1]
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if self.registryValue(dateconfig, channel):
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if headline[2]:
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pubDate = ' [%s]' % (headline[2],)
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if sys.version_info[0] < 3:
|
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if isinstance(headline[0], unicode):
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try:
|
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import charade.universaldetector
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u = charade.universaldetector.UniversalDetector()
|
||||
u.feed(headline[0])
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||||
u.close()
|
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encoding = u.result['encoding']
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||||
except ImportError:
|
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encoding = 'utf8'
|
||||
newheadlines.append(format('%s %u%s',
|
||||
headline[0].encode(encoding,'replace'),
|
||||
link,
|
||||
pubDate))
|
||||
else:
|
||||
newheadlines.append(format('%s %u%s',
|
||||
headline[0],
|
||||
link,
|
||||
pubDate))
|
||||
else:
|
||||
newheadlines.append(format('%s %u%s',
|
||||
headline[0],
|
||||
link,
|
||||
pubDate))
|
||||
return newheadlines
|
||||
|
||||
def _newHeadlines(self, irc, channels, name, url):
|
||||
try:
|
||||
# We acquire the lock here so there's only one announcement thread
|
||||
# in this code at any given time. Otherwise, several announcement
|
||||
# threads will getFeed (all blocking, in turn); then they'll all
|
||||
# want to send their news messages to the appropriate channels.
|
||||
# Note that we're allowed to acquire this lock twice within the
|
||||
# same thread because it's an RLock and not just a normal Lock.
|
||||
self.acquireLock(url)
|
||||
t = time.time()
|
||||
try:
|
||||
#oldresults = self.cachedFeeds[url]
|
||||
#oldheadlines = self.getHeadlines(oldresults)
|
||||
oldheadlines = self.cachedHeadlines[url]
|
||||
oldheadlines = list(filter(lambda x: t - x[3] <
|
||||
self.registryValue('announce.cachePeriod'), oldheadlines))
|
||||
except KeyError:
|
||||
oldheadlines = []
|
||||
newresults = self.getFeed(url)
|
||||
newheadlines = self.getHeadlines(newresults)
|
||||
if len(newheadlines) == 1:
|
||||
s = newheadlines[0][0]
|
||||
if s in ('Timeout downloading feed.',
|
||||
'Unable to download feed.'):
|
||||
self.log.debug('%s %u', s, url)
|
||||
return
|
||||
def normalize(headline):
|
||||
return (tuple(headline[0].lower().split()), headline[1])
|
||||
oldheadlinesset = set(map(normalize, oldheadlines))
|
||||
for (i, headline) in enumerate(newheadlines):
|
||||
if normalize(headline) in oldheadlinesset:
|
||||
newheadlines[i] = None
|
||||
newheadlines = list(filter(None, newheadlines)) # Removes Nones.
|
||||
number_of_headlines = len(oldheadlines)
|
||||
oldheadlines.extend(newheadlines)
|
||||
self.cachedHeadlines[url] = oldheadlines
|
||||
if newheadlines:
|
||||
def filter_whitelist(headline):
|
||||
v = False
|
||||
for kw in whitelist:
|
||||
if kw in headline[0] or kw in headline[1]:
|
||||
v = True
|
||||
break
|
||||
return v
|
||||
def filter_blacklist(headline):
|
||||
v = True
|
||||
for kw in blacklist:
|
||||
if kw in headline[0] or kw in headline[1]:
|
||||
v = False
|
||||
break
|
||||
return v
|
||||
for channel in channels:
|
||||
if number_of_headlines == 0:
|
||||
channelnewheadlines = newheadlines[:self.registryValue('initialAnnounceHeadlines', channel)]
|
||||
else:
|
||||
channelnewheadlines = newheadlines[:]
|
||||
whitelist = self.registryValue('keywordWhitelist', channel)
|
||||
blacklist = self.registryValue('keywordBlacklist', channel)
|
||||
if len(whitelist) != 0:
|
||||
channelnewheadlines = filter(filter_whitelist, channelnewheadlines)
|
||||
if len(blacklist) != 0:
|
||||
channelnewheadlines = filter(filter_blacklist, channelnewheadlines)
|
||||
channelnewheadlines = list(channelnewheadlines)
|
||||
if len(channelnewheadlines) == 0:
|
||||
return
|
||||
bold = self.registryValue('bold', channel)
|
||||
sep = self.registryValue('headlineSeparator', channel)
|
||||
prefix = self.registryValue('announcementPrefix', channel)
|
||||
suffix = self.registryValue('announcementSeparator', channel)
|
||||
pre = format('%s%s%s', prefix, name, suffix)
|
||||
if bold:
|
||||
pre = ircutils.bold(pre)
|
||||
sep = ircutils.bold(sep)
|
||||
headlines = self.buildHeadlines(channelnewheadlines, channel)
|
||||
irc.replies(headlines, prefixer=pre, joiner=sep,
|
||||
to=channel, prefixNick=False, private=True)
|
||||
finally:
|
||||
self.releaseLock(url)
|
||||
##################
|
||||
# Status accessors
|
||||
|
||||
def willGetNewFeed(self, url):
|
||||
now = time.time()
|
||||
wait = self.registryValue('waitPeriod')
|
||||
if url not in self.lastRequest or now - self.lastRequest[url] > wait:
|
||||
return True
|
||||
else:
|
||||
return False
|
||||
def get_feed(self, name):
|
||||
return self.feeds.get(self.feed_names.get(name, name), None)
|
||||
|
||||
def acquireLock(self, url, blocking=True):
|
||||
try:
|
||||
self.gettingLockLock.acquire()
|
||||
try:
|
||||
lock = self.locks[url]
|
||||
except KeyError:
|
||||
lock = threading.RLock()
|
||||
self.locks[url] = lock
|
||||
return lock.acquire(blocking=blocking)
|
||||
finally:
|
||||
self.gettingLockLock.release()
|
||||
def is_expired(self, feed):
|
||||
assert feed
|
||||
event_horizon = time.time() - self.registryValue('waitPeriod')
|
||||
return feed.last_update < event_horizon
|
||||
|
||||
def releaseLock(self, url):
|
||||
self.locks[url].release()
|
||||
###############
|
||||
# Feed fetching
|
||||
|
||||
def getFeed(self, url):
|
||||
def error(s):
|
||||
return {'items': [{'title': s}]}
|
||||
try:
|
||||
# This is the most obvious place to acquire the lock, because a
|
||||
# malicious user could conceivably flood the bot with rss commands
|
||||
# and DoS the website in question.
|
||||
self.acquireLock(url)
|
||||
if self.willGetNewFeed(url):
|
||||
results = {}
|
||||
try:
|
||||
self.log.debug('Downloading new feed from %u', url)
|
||||
results = feedparser.parse(url)
|
||||
if 'bozo_exception' in results and not results['entries']:
|
||||
raise results['bozo_exception']
|
||||
except feedparser.sgmllib.SGMLParseError:
|
||||
self.log.exception('Uncaught exception from feedparser:')
|
||||
raise callbacks.Error('Invalid (unparsable) RSS feed.')
|
||||
except socket.timeout:
|
||||
return error('Timeout downloading feed.')
|
||||
except Exception as e:
|
||||
# These seem mostly harmless. We'll need reports of a
|
||||
# kind that isn't.
|
||||
self.log.debug('Allowing bozo_exception %r through.', e)
|
||||
if results.get('feed', {}) and self.getHeadlines(results):
|
||||
self.cachedFeeds[url] = results
|
||||
self.lastRequest[url] = time.time()
|
||||
else:
|
||||
self.log.debug('Not caching results; feed is empty.')
|
||||
try:
|
||||
return self.cachedFeeds[url]
|
||||
except KeyError:
|
||||
wait = self.registryValue('waitPeriod')
|
||||
# If there's a problem retrieving the feed, we should back off
|
||||
# for a little bit before retrying so that there is time for
|
||||
# the error to be resolved.
|
||||
self.lastRequest[url] = time.time() - .5 * wait
|
||||
return error('Unable to download feed.')
|
||||
finally:
|
||||
self.releaseLock(url)
|
||||
def update_feed(self, feed):
|
||||
with feed.lock:
|
||||
d = feedparser.parse(feed.url)
|
||||
feed.data = d.feed
|
||||
feed.entries = d.entries
|
||||
feed.last_update = time.time()
|
||||
self.announce_feed(feed)
|
||||
|
||||
def update_feed_in_thread(self, feed):
|
||||
feed.last_update = time.time()
|
||||
t = world.SupyThread(target=self.update_feed,
|
||||
name=format('Fetching feed %u', feed.url),
|
||||
args=(feed,))
|
||||
t.setDaemon(True)
|
||||
t.start()
|
||||
|
||||
def update_feed_if_needed(self, feed):
|
||||
if self.is_expired(feed):
|
||||
self.update_feed(feed)
|
||||
|
||||
def update_feeds(self):
|
||||
announced_feeds = set()
|
||||
for irc in world.ircs:
|
||||
for channel in irc.state.channels:
|
||||
announced_feeds |= self.registryValue('announce', channel)
|
||||
for name in announced_feeds:
|
||||
self.update_feed_if_needed(self.get_feed(name))
|
||||
|
||||
def get_new_entries(self, feed):
|
||||
with feed.lock:
|
||||
entries = feed.entries
|
||||
new_entries = [entry for entry in entries
|
||||
if entry.id not in feed.announced_entries]
|
||||
if not new_entries:
|
||||
return []
|
||||
feed.announced_entries |= {entry.id for entry in new_entries}
|
||||
# We keep a little more because we don't want to re-announce
|
||||
# oldest entries if one of the newest gets removed.
|
||||
feed.announced_entries.truncate(2*len(entries))
|
||||
return new_entries
|
||||
|
||||
def announce_feed(self, feed):
|
||||
new_entries = self.get_new_entries(feed)
|
||||
|
||||
def _getConverter(self, feed):
|
||||
toText = utils.web.htmlToText
|
||||
if 'encoding' in feed:
|
||||
def conv(s):
|
||||
# encode() first so there implicit encoding doesn't happen in
|
||||
# other functions when unicode and bytestring objects are used
|
||||
# together
|
||||
s = s.encode(feed['encoding'], 'replace')
|
||||
s = toText(s).strip()
|
||||
return s
|
||||
return conv
|
||||
else:
|
||||
return lambda s: toText(s).strip()
|
||||
def _sortFeedItems(self, items):
|
||||
"""Return feed items, sorted according to sortFeedItems."""
|
||||
order = self.registryValue('sortFeedItems')
|
||||
if order not in ['oldestFirst', 'newestFirst']:
|
||||
return items
|
||||
if order == 'oldestFirst':
|
||||
reverse = False
|
||||
if order == 'newestFirst':
|
||||
reverse = True
|
||||
try:
|
||||
sitems = sorted(items, key=lambda i: i['updated'], reverse=reverse)
|
||||
except KeyError:
|
||||
# feedparser normalizes required timestamp fields in ATOM and RSS
|
||||
# to the "updated" field. Feeds missing it are unsortable by date.
|
||||
return items
|
||||
return sitems
|
||||
new_entries = sort_feed_items(new_entries, order)
|
||||
for irc in world.ircs:
|
||||
for channel in irc.state.channels:
|
||||
if feed.name not in self.registryValue('announce', channel):
|
||||
continue
|
||||
for entry in new_entries:
|
||||
self.announce_entry(irc, channel, feed, entry)
|
||||
|
||||
def getHeadlines(self, feed):
|
||||
headlines = []
|
||||
t = time.time()
|
||||
conv = self._getConverter(feed)
|
||||
for d in self._sortFeedItems(feed['items']):
|
||||
if 'title' in d:
|
||||
title = conv(d['title'])
|
||||
link = d.get('link')
|
||||
pubDate = d.get('pubDate', d.get('updated'))
|
||||
headlines.append((title, link, pubDate, t))
|
||||
return headlines
|
||||
|
||||
@internationalizeDocstring
|
||||
def makeFeedCommand(self, name, url):
|
||||
docstring = format("""[<number of headlines>]
|
||||
#################
|
||||
# Entry rendering
|
||||
|
||||
Reports the titles for %s at the RSS feed %u. If
|
||||
<number of headlines> is given, returns only that many headlines.
|
||||
RSS feeds are only looked up every supybot.plugins.RSS.waitPeriod
|
||||
seconds, which defaults to 1800 (30 minutes) since that's what most
|
||||
websites prefer.
|
||||
""", name, url)
|
||||
if url not in self.locks:
|
||||
self.locks[url] = threading.RLock()
|
||||
if self.isCommandMethod(name):
|
||||
s = format('I already have a command in this plugin named %s.',name)
|
||||
raise callbacks.Error(s)
|
||||
def f(self, irc, msg, args):
|
||||
args.insert(0, url)
|
||||
self.rss(irc, msg, args)
|
||||
f = utils.python.changeFunctionName(f, name, docstring)
|
||||
f = types.MethodType(f, self)
|
||||
self.feedNames[name] = (url, f)
|
||||
self._registerFeed(name, url)
|
||||
def should_send_entry(self, channel, entry):
|
||||
whitelist = self.registryValue('keywordWhitelist', channel)
|
||||
blacklist = self.registryValue('keywordBlacklist', channel)
|
||||
if whitelist:
|
||||
if all(kw not in entry.title and kw not in entry.description
|
||||
for kw in whitelist):
|
||||
return False
|
||||
if blacklist:
|
||||
if any(kw in entry.title or kw in entry.description
|
||||
for kw in blacklist):
|
||||
return False
|
||||
return True
|
||||
|
||||
def format_entry(self, channel, feed, entry, is_announce):
|
||||
if is_announce:
|
||||
template = self.registryValue('announceFormat', channel)
|
||||
else:
|
||||
template = self.registryValue('format', channel)
|
||||
date = entry.get('published_parsed', entry.get('updated_parsed'))
|
||||
date = utils.str.timestamp(date)
|
||||
return string.Template(template).safe_substitute(template,
|
||||
feed_name=feed.name,
|
||||
date=date,
|
||||
**entry)
|
||||
|
||||
def announce_entry(self, irc, channel, feed, entry):
|
||||
if self.should_send_entry(channel, entry):
|
||||
s = self.format_entry(channel, feed, entry, True)
|
||||
irc.queueMsg(ircmsgs.privmsg(channel, s))
|
||||
|
||||
|
||||
##########
|
||||
# Commands
|
||||
|
||||
@internationalizeDocstring
|
||||
def add(self, irc, msg, args, name, url):
|
||||
@ -390,7 +286,9 @@ class RSS(callbacks.Plugin):
|
||||
Adds a command to this plugin that will look up the RSS feed at the
|
||||
given URL.
|
||||
"""
|
||||
self.makeFeedCommand(name, url)
|
||||
self.assert_feed_does_not_exist(name)
|
||||
self.register_feed_config(name, url)
|
||||
self.register_feed(name, url, False)
|
||||
irc.replySuccess()
|
||||
add = wrap(add, ['feedName', 'url'])
|
||||
|
||||
@ -401,12 +299,11 @@ class RSS(callbacks.Plugin):
|
||||
Removes the command for looking up RSS feeds at <name> from
|
||||
this plugin.
|
||||
"""
|
||||
if name not in self.feedNames:
|
||||
feed = self.get_feed(name)
|
||||
if not feed:
|
||||
irc.error(_('That\'s not a valid RSS feed command name.'))
|
||||
return
|
||||
del self.feedNames[name]
|
||||
conf.supybot.plugins.RSS.feeds().remove(name)
|
||||
conf.supybot.plugins.RSS.feeds.unregister(name)
|
||||
self.remove_feed(feed)
|
||||
irc.replySuccess()
|
||||
remove = wrap(remove, ['feedName'])
|
||||
|
||||
@ -434,10 +331,14 @@ class RSS(callbacks.Plugin):
|
||||
"""
|
||||
announce = conf.supybot.plugins.RSS.announce
|
||||
S = announce.get(channel)()
|
||||
for feed in feeds:
|
||||
S.add(feed)
|
||||
plugin = irc.getCallback('RSS')
|
||||
for name in feeds:
|
||||
S.add(name)
|
||||
announce.get(channel).setValue(S)
|
||||
irc.replySuccess()
|
||||
for name in feeds:
|
||||
feed = plugin.get_feed(name)
|
||||
plugin.announce_feed(feed)
|
||||
add = wrap(add, [('checkChannelCapability', 'op'),
|
||||
many(first('url', 'feedName'))])
|
||||
|
||||
@ -467,23 +368,25 @@ class RSS(callbacks.Plugin):
|
||||
If <number of headlines> is given, return only that many headlines.
|
||||
"""
|
||||
self.log.debug('Fetching %u', url)
|
||||
feed = self.getFeed(url)
|
||||
feed = self.get_feed(url)
|
||||
if not feed:
|
||||
feed = Feed(url, url)
|
||||
if irc.isChannel(msg.args[0]):
|
||||
channel = msg.args[0]
|
||||
else:
|
||||
channel = None
|
||||
headlines = self.getHeadlines(feed)
|
||||
if not headlines:
|
||||
self.update_feed_if_needed(feed)
|
||||
entries = feed.entries
|
||||
if not entries:
|
||||
irc.error(_('Couldn\'t get RSS feed.'))
|
||||
return
|
||||
headlines = self.buildHeadlines(headlines, channel, 'showLinks', 'showPubDate')
|
||||
if n:
|
||||
headlines = headlines[:n]
|
||||
else:
|
||||
headlines = headlines[:self.registryValue('defaultNumberOfHeadlines')]
|
||||
n = n or self.registryValue('defaultNumberOfHeadlines', channel)
|
||||
entries = list(filter(lambda e:self.should_send_entry(channel, e),
|
||||
feed.entries))
|
||||
entries = entries[:n]
|
||||
headlines = map(lambda e:self.format_entry(channel, feed, e, False),
|
||||
entries)
|
||||
sep = self.registryValue('headlineSeparator', channel)
|
||||
if self.registryValue('bold', channel):
|
||||
sep = ircutils.bold(sep)
|
||||
irc.replies(headlines, joiner=sep)
|
||||
rss = wrap(rss, ['url', additional('int')])
|
||||
|
||||
@ -498,9 +401,11 @@ class RSS(callbacks.Plugin):
|
||||
url = self.registryValue('feeds.%s' % url)
|
||||
except registry.NonExistentRegistryEntry:
|
||||
pass
|
||||
feed = self.getFeed(url)
|
||||
conv = self._getConverter(feed)
|
||||
info = feed.get('feed')
|
||||
feed = self.get_feed(url)
|
||||
if not feed:
|
||||
feed = Feed(url, url)
|
||||
self.update_feed_if_needed(feed)
|
||||
info = feed.data
|
||||
if not info:
|
||||
irc.error(_('I couldn\'t retrieve that RSS feed.'))
|
||||
return
|
||||
@ -510,10 +415,10 @@ class RSS(callbacks.Plugin):
|
||||
now = time.mktime(time.gmtime())
|
||||
when = utils.timeElapsed(now - seconds) + ' ago'
|
||||
else:
|
||||
when = 'time unavailable'
|
||||
title = conv(info.get('title', 'unavailable'))
|
||||
desc = conv(info.get('description', 'unavailable'))
|
||||
link = conv(info.get('link', 'unavailable'))
|
||||
when = _('time unavailable')
|
||||
title = info.get('title', _('unavailable'))
|
||||
desc = info.get('description', _('unavailable'))
|
||||
link = info.get('link', _('unavailable'))
|
||||
# The rest of the entries are all available in the channel key
|
||||
response = format(_('Title: %s; URL: %u; '
|
||||
'Description: %s; Last updated: %s.'),
|
||||
|
||||
@ -374,7 +374,8 @@ registerChannelValue(supybot.reply.format, 'time',
|
||||
def timestamp(t):
|
||||
if t is None:
|
||||
t = time.time()
|
||||
t = time.localtime(t)
|
||||
elif isinstance(t, float):
|
||||
t = time.localtime(t)
|
||||
format = get(supybot.reply.format.time, dynamic.channel)
|
||||
return time.strftime(format, t)
|
||||
utils.str.timestamp = timestamp
|
||||
|
||||
@ -454,5 +454,40 @@ class CacheDict(collections.MutableMapping):
|
||||
def __len__(self):
|
||||
return len(self.d)
|
||||
|
||||
class TruncatableSet(collections.MutableSet):
|
||||
"""A set that keeps track of the order of inserted elements so
|
||||
the oldest can be removed."""
|
||||
def __init__(self, iterable=[]):
|
||||
self._ordered_items = list(iterable)
|
||||
self._items = set(self._ordered_items)
|
||||
def __contains__(self, item):
|
||||
return item in self._items
|
||||
def __iter__(self):
|
||||
return iter(self._items)
|
||||
def __len__(self):
|
||||
return len(self._items)
|
||||
def add(self, item):
|
||||
if item not in self._items:
|
||||
self._items.add(item)
|
||||
self._ordered_items.append(item)
|
||||
def discard(self, item):
|
||||
self._items.discard(item)
|
||||
self._ordered_items.remove(item)
|
||||
def truncate(self, size):
|
||||
assert size >= 0
|
||||
removed_size = len(self)-size
|
||||
# I make two different cases depending on removed_size<size
|
||||
# in order to make if faster if one is significantly bigger than the
|
||||
# other.
|
||||
if removed_size <= 0:
|
||||
return
|
||||
elif removed_size < size:
|
||||
# If there are more kept items than removed items
|
||||
for old_item in self._ordered_items[0:-size]:
|
||||
self.discard(old_item)
|
||||
self._ordered_items = self._ordered_items[-size:]
|
||||
else:
|
||||
self._ordered_items = self._ordered_items[-size:]
|
||||
self._items = set(self._ordered_items)
|
||||
|
||||
# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79:
|
||||
|
||||
@ -1133,6 +1133,32 @@ class TestCacheDict(SupyTestCase):
|
||||
self.failUnless(i in d)
|
||||
self.failUnless(d[i] == i)
|
||||
|
||||
class TestTruncatableSet(SupyTestCase):
|
||||
def testBasics(self):
|
||||
s = TruncatableSet(['foo', 'bar', 'baz', 'qux'])
|
||||
self.assertEqual(s, {'foo', 'bar', 'baz', 'qux'})
|
||||
self.failUnless('foo' in s)
|
||||
self.failUnless('bar' in s)
|
||||
self.failIf('quux' in s)
|
||||
s.discard('baz')
|
||||
self.failUnless('foo' in s)
|
||||
self.failIf('baz' in s)
|
||||
s.add('quux')
|
||||
self.failUnless('quux' in s)
|
||||
|
||||
def testTruncate(self):
|
||||
s = TruncatableSet(['foo', 'bar'])
|
||||
s.add('baz')
|
||||
s.add('qux')
|
||||
s.truncate(3)
|
||||
self.assertEqual(s, {'bar', 'baz', 'qux'})
|
||||
|
||||
def testTruncateUnion(self):
|
||||
s = TruncatableSet(['bar', 'foo'])
|
||||
s |= {'baz', 'qux'}
|
||||
s.truncate(3)
|
||||
self.assertEqual(s, {'foo', 'baz', 'qux'})
|
||||
|
||||
|
||||
# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79:
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user