710 lines
27 KiB
Python
710 lines
27 KiB
Python
# -*- coding: utf-8 -*-
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###
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# Copyright (c) 2015, PrgmrBill
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# All rights reserved.
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#
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#
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###
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import supybot.utils as utils
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from supybot.commands import *
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import supybot.plugins as plugins
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import supybot.ircmsgs as ircmsgs
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import supybot.ircutils as ircutils
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import supybot.callbacks as callbacks
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import re
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import requests
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from urlparse import urlparse
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from bs4 import BeautifulSoup
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import random
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import json
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import cgi
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import datetime
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from jinja2 import Template
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from urllib import urlencode
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from datetime import timedelta
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import timeout_decorator
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try:
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from supybot.i18n import PluginInternationalization
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_ = PluginInternationalization("SpiffyTitles")
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except ImportError:
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# Placeholder that allows to run the plugin on a bot
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# without the i18n module
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_ = lambda x: x
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class SpiffyTitles(callbacks.Plugin):
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"""Displays link titles when posted in a channel"""
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threaded = True
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callBefore = ["Web"]
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link_cache = []
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handlers = {}
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wall_clock_timeout = 8
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def __init__(self, irc):
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self.__parent = super(SpiffyTitles, self)
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self.__parent.__init__(irc)
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self.youtube_developer_key = self.registryValue("youtubeDeveloperKey")
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self.wall_clock_timeout = self.registryValue("wallClockTimeoutInSeconds")
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youtube_handler_enabled = self.registryValue("youtubeHandlerEnabled")
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imgur_handler_enabled = self.registryValue("imgurHandlerEnabled")
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imdb_handler_enabled = self.registryValue("imdbHandlerEnabled")
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self.default_handler_enabled = self.registryValue("defaultHandlerEnabled")
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"""
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Check if imgur client id or secret are set, and if so initialize
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imgur API client
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"""
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imgur_client_id = self.registryValue("imgurClientID")
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imgur_client_secret = self.registryValue("imgurClientSecret")
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if imgur_handler_enabled and imgur_client_id and imgur_client_secret:
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self.log.info("SpiffyTitles: enabling imgur handler")
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# Images mostly
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self.handlers["i.imgur.com"] = self.handler_imgur_image
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# Albums, galleries, etc
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self.handlers["imgur.com"] = self.handler_imgur
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# Initialize API client
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try:
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from imgurpython import ImgurClient
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from imgurpython import ImgurClientError
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try:
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self.imgur_client = client = ImgurClient(imgur_client_id, imgur_client_secret)
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except ImgurClientError as e:
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self.log.error("SpiffyTitles: imgur client error: %s" % (e.error_message))
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except ImportError, e:
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self.log.error("SpiffyTitles ImportError: %s" % str(e))
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if youtube_handler_enabled and self.youtube_developer_key:
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self.log.info("SpiffyTitles: enabling youtube handler")
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self.add_youtube_handlers()
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if imdb_handler_enabled:
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self.add_imdb_handlers()
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def doPrivmsg(self, irc, msg):
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"""
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Observe each channel message and look for links
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"""
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channel = msg.args[0].lower()
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is_channel = irc.isChannel(channel)
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is_ctcp = ircmsgs.isCtcp(msg)
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message = msg.args[1]
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now = datetime.datetime.now()
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title = None
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if is_channel and not is_ctcp:
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channel_is_allowed = self.is_channel_allowed(channel)
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url = self.get_url_from_message(message)
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if url:
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# Check if channel is allowed based on white/black list restrictions
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if not channel_is_allowed:
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self.log.info("SpiffyTitles: not responding to link in %s due to black/white list restrictions" % (channel))
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return
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info = urlparse(url)
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domain = info.netloc
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is_ignored = self.is_ignored_domain(domain)
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if is_ignored:
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self.log.info("SpiffyTitles: ignoring url due to pattern match: %s" % (url))
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return
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"""
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Check if we have this link cached according to the cache lifetime. If so, serve
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link from the cache instead of calling handlers.
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"""
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cached_link = self.get_link_from_cache(url)
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if cached_link is not None:
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title = cached_link["title"]
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else:
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if domain in self.handlers:
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handler = self.handlers[domain]
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title = handler(url, info)
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else:
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if self.default_handler_enabled:
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title = self.handler_default(url)
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if title is not None and title:
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self.log.info("SpiffyTitles: title found: %s" % (title))
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formatted_title = self.get_formatted_title(title)
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# Update link cache
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if cached_link is None:
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self.log.info("SpiffyTitles: caching %s" % (url))
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self.link_cache.append({
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"url": url,
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"timestamp": now,
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"title": title
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})
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irc.reply(formatted_title)
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else:
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if self.default_handler_enabled:
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self.log.error("SpiffyTitles: could not get a title for %s" % (url))
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else:
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self.log.error("SpiffyTitles: could not get a title for %s but default handler is disabled" % (url))
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def get_link_from_cache(self, url):
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"""
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Looks for a URL in the link cache and returns info about if it's not stale
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according to the configured cache lifetime, or None.
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If linkCacheLifetimeInSeconds is 0, then cache is disabled and we can
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immediately return
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"""
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cache_lifetime_in_seconds = int(self.registryValue("linkCacheLifetimeInSeconds"))
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if cache_lifetime_in_seconds == 0:
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return
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# No cache yet
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if len(self.link_cache) == 0:
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return
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cached_link = None
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now = datetime.datetime.now()
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stale = False
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seconds = 0
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for link in self.link_cache:
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if link["url"] == url:
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cached_link = link
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break
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# Found link, check timestamp
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if cached_link is not None:
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seconds = (now - cached_link["timestamp"]).total_seconds()
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stale = seconds >= cache_lifetime_in_seconds
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if stale:
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self.log.info("SpiffyTitles: %s was sent %s seconds ago" % (url, seconds))
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else:
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self.log.info("SpiffyTitles: serving link from cache: %s" % (url))
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return cached_link
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def add_imdb_handlers(self):
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"""
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Enables meta info about IMDB links through the OMDB API
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"""
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self.handlers["www.imdb.com"] = self.handler_imdb
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self.handlers["imdb.com"] = self.handler_imdb
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def add_youtube_handlers(self):
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"""
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Adds handlers for Youtube videos. The handler is matched based on the
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domain used in the URL.
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"""
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self.handlers["youtube.com"] = self.handler_youtube
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self.handlers["www.youtube.com"] = self.handler_youtube
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self.handlers["youtu.be"] = self.handler_youtube
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self.handlers["m.youtube.com"] = self.handler_youtube
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def is_channel_allowed(self, channel):
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"""
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Checks channel whitelist and blacklist to determine if the current
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channel is allowed to display titles.
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"""
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channel = channel.lower()
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is_allowed = False
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white_list = self.filter_empty(self.registryValue("channelWhitelist"))
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black_list = self.filter_empty(self.registryValue("channelBlacklist"))
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white_list_empty = len(white_list) == 0
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black_list_empty = len(black_list) == 0
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# Most basic case, which is that both white and blacklist are empty. Any channel is allowed.
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if white_list_empty and black_list_empty:
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is_allowed = True
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# If there is a white list, blacklist is ignored.
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if white_list:
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is_allowed = channel in white_list
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# Finally, check blacklist
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if not white_list and black_list:
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is_allowed = channel not in black_list
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return is_allowed
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def filter_empty(self, input):
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"""
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Remove all empty strings from a list
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"""
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return set([channel for channel in input if len(channel.strip())])
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def is_ignored_domain(self, domain):
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"""
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Checks domain against a regular expression
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"""
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pattern = self.registryValue("ignoredDomainPattern")
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if pattern:
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self.log.debug("SpiffyTitles: matching %s against %s" % (domain, str(pattern)))
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try:
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pattern_search_result = re.search(pattern, domain)
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if pattern_search_result is not None:
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match = pattern_search_result.group()
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return match
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except re.Error:
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self.log.error("SpiffyTitles: invalid regular expression: %s" % (pattern))
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def get_video_id_from_url(self, url, info):
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"""
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Get YouTube video ID from URL
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"""
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try:
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path = info.path
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domain = info.netloc
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video_id = ""
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if domain == "youtu.be":
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video_id = path.split("/")[1]
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else:
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parsed = cgi.parse_qsl(info.query)
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params = dict(parsed)
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if "v" in params:
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video_id = params["v"]
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if video_id:
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return video_id
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else:
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self.log.error("SpiffyTitles: error getting video id from %s" % (url))
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except IndexError, e:
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self.log.error("SpiffyTitles: error getting video id from %s (%s)" % (url, str(e)))
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def handler_youtube(self, url, domain):
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"""
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Uses the Youtube API to provide additional meta data about
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Youtube Video links posted.
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"""
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self.log.info("SpiffyTitles: calling Youtube handler for %s" % (url))
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video_id = self.get_video_id_from_url(url, domain)
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yt_template = Template(self.registryValue("youtubeTitleTemplate"))
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title = ""
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if video_id:
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options = {
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"part": "snippet,statistics,contentDetails",
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"maxResults": 1,
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"key": self.youtube_developer_key,
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"id": video_id
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}
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encoded_options = urlencode(options)
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api_url = "https://www.googleapis.com/youtube/v3/videos?%s" % (encoded_options)
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agent = self.get_user_agent()
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headers = {
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"User-Agent": agent
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}
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self.log.info("SpiffyTitles: requesting %s" % (api_url))
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request = requests.get(api_url, headers=headers)
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ok = request.status_code == requests.codes.ok
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if ok:
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response = json.loads(request.text)
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if response:
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try:
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items = response["items"]
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video = items[0]
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title = video["snippet"]["title"]
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statistics = video["statistics"]
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view_count = "{:,}".format(int(statistics["viewCount"]))
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duration_seconds = self.get_total_seconds_from_duration(video["contentDetails"]["duration"])
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"""
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#23 - If duration is zero, then it"s a LIVE video
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"""
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if duration_seconds > 0:
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m, s = divmod(duration_seconds, 60)
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h, m = divmod(m, 60)
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duration = "%02d:%02d" % (m, s)
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# Only include hour if the video is at least 1 hour long
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if h > 0:
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duration = "%02d:%s" % (h, duration)
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else:
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duration = "LIVE"
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compiled_template = yt_template.render({
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"title": title,
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"duration": duration,
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"view_count": view_count
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})
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title = compiled_template
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except IndexError, e:
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self.log.error("SpiffyTitles: IndexError parsing Youtube API JSON response: %s" % (str(e)))
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else:
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self.log.error("SpiffyTitles: Error parsing Youtube API JSON response")
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else:
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self.log.error("SpiffyTitles: Youtube API HTTP %s: %s" % (request.status_code,
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request.text))
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# If we found a title, return that. otherwise, use default handler
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if title:
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return title
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else:
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self.log.info("SpiffyTitles: falling back to default handler")
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return self.handler_default(url)
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def get_total_seconds_from_duration(self, input):
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"""
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Duration comes in a format like this: PT4M41S which translates to
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4 minutes and 41 seconds. This method returns the total seconds
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so that the duration can be parsed as usual.
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"""
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pattern = regex = re.compile('(?P<sign>-?)P(?:(?P<years>\d+)Y)?(?:(?P<months>\d+)M)?(?:(?P<days>\d+)D)?(?:T(?:(?P<hours>\d+)H)?(?:(?P<minutes>\d+)M)?(?:(?P<seconds>\d+)S)?)?')
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duration = regex.match(input).groupdict(0)
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delta = timedelta(hours=int(duration['hours']),
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minutes=int(duration['minutes']),
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seconds=int(duration['seconds']))
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return delta.total_seconds()
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def handler_default(self, url):
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"""
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Default handler for websites
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"""
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default_handler_enabled = self.registryValue("defaultHandlerEnabled")
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if default_handler_enabled:
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self.log.info("SpiffyTitles: calling default handler for %s" % (url))
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default_template = Template(self.registryValue("defaultTitleTemplate"))
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html = self.get_source_by_url(url)
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if html is not None and html:
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title = self.get_title_from_html(html)
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if title is not None:
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title_template = default_template.render(title=title)
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return title_template
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else:
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self.log.info("SpiffyTitles: default handler fired but doing nothing because disabled")
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def handler_imdb(self, url, info):
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"""
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Handles imdb.com links, querying the OMDB API for additional info
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Typical IMDB URL: http://www.imdb.com/title/tt2467372/
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"""
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headers = self.get_headers()
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result = None
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# Don't care about query strings
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if "?" in url:
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url = url.split("?")[0]
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# We can only accommodate a specific format of URL here
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if "/title/" in url:
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imdb_id = url.split("/title/")[1].rstrip("/")
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omdb_url = "http://www.omdbapi.com/?i=%s&plot=short&r=json" % (imdb_id)
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try:
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request = requests.get(omdb_url, timeout=10, headers=headers)
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if request.status_code == requests.codes.ok:
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response = json.loads(request.text)
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result = None
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imdb_template = Template(self.registryValue("imdbTemplate"))
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not_found = "Error" in response
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unknown_error = response["Response"] != "True"
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if not_found or unknown_error:
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self.log.info("SpiffyTitles: OMDB error for %s" % (omdb_url))
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else:
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result = imdb_template.render(response)
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else:
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self.log.error("SpiffyTitles OMDB API %s - %s" % (request.status_code, request.text))
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except requests.exceptions.Timeout, e:
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self.log.error("SpiffyTitles imdb Timeout: %s" % (str(e)))
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except requests.exceptions.ConnectionError, e:
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self.log.error("SpiffyTitles imdb ConnectionError: %s" % (str(e)))
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except requests.exceptions.HTTPError, e:
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self.log.error("SpiffyTitles imdb HTTPError: %s" % (str(e)))
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if result is not None:
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return result
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else:
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self.log.info("SpiffyTitles: IMDB handler failed. calling default handler")
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return self.handler_default(url)
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def is_valid_imgur_id(self, input):
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"""
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Tests if input matches the typical imgur id, which seems to be alphanumeric. Images, galleries,
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and albums all share their format in their identifier.
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"""
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match = re.match(r"[a-z0-9]+", input, re.IGNORECASE)
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return match is not None
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def handler_imgur(self, url, info):
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"""
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Queries imgur API for additional information about imgur links.
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This handler is for any imgur.com domain.
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"""
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is_album = info.path.startswith("/a/")
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is_gallery = info.path.startswith("/gallery/")
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is_image_page = not is_album and not is_gallery and re.match(r"^\/[a-zA-Z0-9]+", info.path)
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result = None
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if is_album:
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result = self.handler_imgur_album(url, info)
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#elif is_image_page:
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# result = self.handler_imgur_image(url, info)
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else:
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result = self.handler_default(url)
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return result
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def handler_imgur_album(self, url, info):
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"""
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Handles retrieving information about albums from the imgur API.
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imgur provides the following information about albums: https://api.imgur.com/models/album
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"""
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from imgurpython.helpers.error import ImgurClientRateLimitError
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from imgurpython.helpers.error import ImgurClientError
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album_id = info.path.split("/a/")[1]
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""" If there is a query string appended, remove it """
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if "?" in album_id:
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album_id = album_id.split("?")[0]
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if self.is_valid_imgur_id(album_id):
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self.log.info("SpiffyTitles: found imgur album id %s" % (album_id))
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try:
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album = self.imgur_client.get_album(album_id)
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if album:
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imgur_album_template = Template(self.registryValue("imgurAlbumTemplate"))
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compiled_template = imgur_album_template.render({
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"title": album.title,
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"section": album.section,
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"view_count": "{:,}".format(album.views),
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"image_count": "{:,}".format(album.images_count),
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"nsfw": album.nsfw
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})
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return compiled_template
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else:
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self.log.error("SpiffyTitles: imgur album API returned unexpected results!")
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except ImgurClientRateLimitError as e:
|
|
self.log.error("SpiffyTitles: imgur rate limit error: %s" % (e.error_message))
|
|
except ImgurClientError as e:
|
|
self.log.error("SpiffyTitles: imgur client error: %s" % (e.error_message))
|
|
else:
|
|
self.log.info("SpiffyTitles: unable to determine album id for %s" % (url))
|
|
|
|
def handler_imgur_image(self, url, info):
|
|
"""
|
|
Handles retrieving information about images from the imgur API.
|
|
|
|
Used for both direct images and imgur.com/some_image_id_here type links, as
|
|
they're both single images.
|
|
"""
|
|
from imgurpython.helpers.error import ImgurClientRateLimitError
|
|
from imgurpython.helpers.error import ImgurClientError
|
|
title = None
|
|
|
|
"""
|
|
If there is a period in the path, it's a direct link to an image. If not, then
|
|
it's a imgur.com/some_image_id_here type link
|
|
"""
|
|
if "." in info.path:
|
|
path = info.path.lstrip("/")
|
|
image_id = path.split(".")[0]
|
|
else:
|
|
image_id = info.path.lstrip("/")
|
|
|
|
if self.is_valid_imgur_id(image_id):
|
|
self.log.info("SpiffyTitles: found image id %s" % (image_id))
|
|
|
|
try:
|
|
image = self.imgur_client.get_image(image_id)
|
|
|
|
if image:
|
|
imgur_template = Template(self.registryValue("imgurTemplate"))
|
|
readable_file_size = self.get_readable_file_size(image.size)
|
|
compiled_template = imgur_template.render({
|
|
"title": image.title,
|
|
"type": image.type,
|
|
"nsfw": image.nsfw,
|
|
"width": image.width,
|
|
"height": image.height,
|
|
"view_count": "{:,}".format(image.views),
|
|
"file_size": readable_file_size,
|
|
"section": image.section
|
|
})
|
|
|
|
title = compiled_template
|
|
else:
|
|
self.log.error("SpiffyTitles: imgur API returned unexpected results!")
|
|
except ImgurClientRateLimitError as e:
|
|
self.log.error("SpiffyTitles: imgur rate limit error: %s" % (e.error_message))
|
|
except ImgurClientError as e:
|
|
self.log.error("SpiffyTitles: imgur client error: %s" % (e.error_message))
|
|
else:
|
|
self.log.error("SpiffyTitles: error retrieving image id for %s" % (url))
|
|
|
|
if title is not None:
|
|
return title
|
|
else:
|
|
return self.handler_default(url)
|
|
|
|
def get_readable_file_size(self, num, suffix="B"):
|
|
"""
|
|
Returns human readable file size
|
|
"""
|
|
for unit in ["","Ki","Mi","Gi","Ti","Pi","Ei","Zi"]:
|
|
if abs(num) < 1024.0:
|
|
return "%3.1f%s%s" % (num, unit, suffix)
|
|
num /= 1024.0
|
|
return "%.1f%s%s" % (num, "Yi", suffix)
|
|
|
|
def get_formatted_title(self, title):
|
|
"""
|
|
Remove cruft from title and apply bold if applicable
|
|
"""
|
|
useBold = self.registryValue("useBold")
|
|
|
|
# Replace anywhere in string
|
|
title = title.replace("\n", "")
|
|
title = title.replace("\t", "")
|
|
title = re.sub(" +", " ", title)
|
|
|
|
if useBold:
|
|
title = ircutils.bold(title)
|
|
|
|
title = title.strip()
|
|
|
|
return title
|
|
|
|
def get_title_from_html(self, html):
|
|
"""
|
|
Retrieves value of <title> tag from HTML
|
|
"""
|
|
soup = BeautifulSoup(html)
|
|
|
|
if soup is not None:
|
|
# TODO: What should happen if there is more than one <title> tag?
|
|
title = soup.find("title")
|
|
|
|
if title is not None:
|
|
title_text = title.get_text()
|
|
|
|
if len(title_text):
|
|
stripped_title = title_text.strip()
|
|
|
|
return stripped_title
|
|
|
|
@timeout_decorator.timeout(wall_clock_timeout)
|
|
def get_source_by_url(self, url):
|
|
"""
|
|
Get the HTML of a website based on a URL
|
|
"""
|
|
try:
|
|
headers = self.get_headers()
|
|
|
|
self.log.info("SpiffyTitles: requesting %s" % (url))
|
|
|
|
request = requests.get(url, headers=headers, timeout=5, allow_redirects=True)
|
|
|
|
if request.status_code == requests.codes.ok:
|
|
# Check the content type which comes in the format: "text/html; charset=UTF-8"
|
|
content_type = request.headers.get("content-type").split(";")[0].strip()
|
|
acceptable_types = self.registryValue("mimeTypes")
|
|
|
|
self.log.info("SpiffyTitles: content type %s" % (content_type))
|
|
|
|
if content_type in acceptable_types:
|
|
text = request.content
|
|
|
|
if text:
|
|
return text
|
|
else:
|
|
self.log.info("SpiffyTitles: empty content from %s" % (url))
|
|
|
|
else:
|
|
self.log.debug("SpiffyTitles: unacceptable mime type %s for url %s" % (content_type, url))
|
|
else:
|
|
self.log.error("SpiffyTitles HTTP response code %s - %s" % (request.status_code,
|
|
request.content))
|
|
|
|
except timeout_decorator.TimeoutError:
|
|
self.log.error("SpiffyTitles: wall timeout!")
|
|
except requests.exceptions.MissingSchema, e:
|
|
urlWithSchema = "http://%s" % (url)
|
|
self.log.error("SpiffyTitles missing schema. Retrying with %s" % (urlWithSchema))
|
|
return self.get_source_by_url(urlWithSchema)
|
|
except requests.exceptions.Timeout, e:
|
|
self.log.error("SpiffyTitles Timeout: %s" % (str(e)))
|
|
except requests.exceptions.ConnectionError, e:
|
|
self.log.error("SpiffyTitles ConnectionError: %s" % (str(e)))
|
|
except requests.exceptions.HTTPError, e:
|
|
self.log.error("SpiffyTitles HTTPError: %s" % (str(e)))
|
|
except requests.exceptions.InvalidURL, e:
|
|
self.log.error("SpiffyTitles InvalidURL: %s" % (str(e)))
|
|
|
|
def get_headers(self):
|
|
agent = self.get_user_agent()
|
|
self.accept_language = self.registryValue("language")
|
|
|
|
headers = {
|
|
"User-Agent": agent,
|
|
"Accept-Language": ";".join((self.accept_language, "q=1.0"))
|
|
}
|
|
|
|
return headers
|
|
|
|
def get_user_agent(self):
|
|
"""
|
|
Returns a random user agent from the ones available
|
|
"""
|
|
agents = self.registryValue("userAgents")
|
|
|
|
return random.choice(agents)
|
|
|
|
def get_url_from_message(self, input):
|
|
"""
|
|
Find the first string that looks like a URL from the message
|
|
"""
|
|
url_re = self.registryValue("urlRegularExpression")
|
|
match = re.search(url_re, input)
|
|
|
|
if match:
|
|
return match.group(0).strip()
|
|
|
|
Class = SpiffyTitles
|
|
|
|
# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79:
|