hlmtre / pybot

        except AttributeError:

            pass

        try:

            if_url = re.search(if_regex, quote).group("url")

        except AttributeError:

            pass

        if not tsd_url and not if_url:

            return quote

        if tsd_url:

          url = tsd_url

        if if_url:

          url = if_url

        repl = self._imgurify(url)

        if tsd_url:

          new_quote = re.sub(tsd_regex, repl[0]['link'], quote)

        if if_url:

          new_quote = re.sub(if_regex, repl[0]['link'], quote)

        return new_quote

    def strip_formatting(self, msg):

        """Uses regex to replace any special formatting in IRC (bold, colors) with nothing"""

        return re.sub('([\x02\x1D\x1F\x16\x0F]|\x03([0-9]{2})?)', '', msg)

    def add_buffer(self, event=None, debug=False): 

        """Takes a channel name and line passed to it and stores them in the bot's mem_store dict

        for future access. The dict will have channel as key. The value to that key will be a list

        of formatted lines of activity. 

        If the buffer size is not yet exceeded, lines are just added. If the buffer

        is maxed out, the oldest line is removed and newest one inserted at the beginning.

        """

        if debug:

            print "Line: " + event.line

            print "Verb: " + event.verb

            print "Channel: " + event.channel

            print ""

        if not event:

            return

        #there are certain things we want to record in history, like nick changes and quits

        #these often add to the humor of a quote. however, these are not specific to a channel

        #in IRC and our bot does not maintain a userlist per channel. Therefore, when nick

        #changes and quits occur, we will add them to every buffer. This is not technically

        #correct behavior and could very well lead to quits/nick changes that are not visible

        #showing up in a quote, but it's the best we can do at the moment

        if not event.channel:

            #discard events with unwanted verbs 

            if event.verb not in ["QUIT", "NICK"]:

                return

            try:

                for chan in self.bot.mem_store['qdb'].keys():

                    if chan != '_recent':

                        if len(self.bot.mem_store['qdb'][chan]) >= self.MAX_BUFFER_SIZE:

                            self.bot.mem_store['qdb'][chan].pop()

    self.MAX_BUFFER_SIZE = 300 

    self.MAX_HISTORY_SIZE = 10

  def add_buffer(self, event=None, debug=False): 

    """Takes a channel name and line passed to it and stores them in the bot's mem_store dict

    for future access. The dict will have channel as key. The value to that key will be a list

    of formatted lines of activity. 

    If the buffer size is not yet exceeded, lines are just added. If the buffer

    is maxed out, the oldest line is removed and newest one inserted at the beginning.

    """

    if debug:

      print "Line: " + event.line

      print "Verb: " + event.verb

      print "Channel: " + event.channel

      print ""

    if not event:

      return

    #there are certain things we want to record in history, like nick changes and quits

    #these often add to the humor of a quote. however, these are not specific to a channel

    #in IRC and our bot does not maintain a userlist per channel. Therefore, when nick

    #changes and quits occur, we will add them to every buffer. This is not technically

    #correct behavior and could very well lead to quits/nick changes that are not visible

    #showing up in a quote, but it's the best we can do at the moment

    if not event.channel:

      #discard events with unwanted verbs 

      if event.verb not in ["QUIT", "NICK"]:

        return

      try:

        for chan in self.bot.mem_store['replace'].keys():

          if len(self.bot.mem_store['replace'][chan]) >= self.MAX_BUFFER_SIZE:

            self.bot.mem_store['replace'][chan].pop()

          line = self.format_line(event)

          if line:

            self.bot.mem_store['replace'][chan].insert(0, line)

      except KeyError, IndexError:

        print "Replace add_buffer() error when no event channel"

    #now we continue with normal, per channel line addition

    #create a dictionary associating the channel with an empty list if it doesn't exist yet

    # END if not event.channel:

    else:

      if event.channel not in self.bot.mem_store['replace']:

        self.bot.mem_store['replace'][event.channel] = []

      try:

      #check for the length of the buffer. if it's too long, pop the last item

        if len(self.bot.mem_store['replace'][event.channel]) >= self.MAX_BUFFER_SIZE:

          self.bot.mem_store['replace'][event.channel].pop()

        #get a line by passing event to format_line

        #insert the line into the first position in the list

        line = self.format_line(event) 

        if line:

          self.bot.mem_store['replace'][event.channel].insert(0, line)

      except IndexError:

        print "Replace add_buffer() error. Couldn't access the list index."

  def format_line(self, event):

    """Takes an event and formats a string appropriate for quotation from it"""