meme_command.py

    # -- Commands -- #
    async def command_meme(self, keywords: list, channel: discord.Channel):
        """Sends closest matching meme to channel"""

        matching = []
        Meme = collections.namedtuple("Meme", ["matches", "filename", "path"])

        # Populate list of matching memes with `Meme` named tuples
        for meme_path in self.memes:

            meme_filename = meme_path.split(os.path.sep)[-1]
            matches = filename_matches(keywords, meme_filename)

            if matches > 0:

                matching.append(Meme(matches, meme_filename, meme_path))

        # Sort matching
        matching.sort(key=lambda x: x.matches)
        matching.reverse()  # Make item with highest matches first instead of last

        # Meme with most matches
        matching_meme = matching[0] if len(matching) > 0 else None

        # Send the meme with the most matches
        if matching_meme:

            print("Sending meme \"{0}\"...".format(matching_meme.filename))

            try:
                await self.send_file(channel, matching[0].path)
                print("... meme \"{0}\" successfully sent!".format(matching_meme.filename))

            # Catch any exceptions from discord, e.g no permission, file too large
            except discord.DiscordException:
                print("Error sending meme \"{0}\": \n{1}".format(matching_meme.filename, traceback.format_exc()))
                print("Was the file too large? Do you have permission to send files?")

                # TODO make gui alert

        else:
            print("No matching memes")  # TODO make gui alert