reactions.py 文件源码

def __init__(self, bot):
        """Procedurablly build reaction commands."""

        with open("reactions.json") as fobject:
            self.data = json.load(fobject)

        # TODO Add a help field to this mess.
        for key in self.data:

            # Avoid duplicate commands.
            if key in bot.all_commands.keys():
                continue

            # Avoid non-dictionary values.
            # Make sure that there exists a value with key "images", and that it's a list.
            elif (not isinstance(self.data[key], dict) or
                  not isinstance(self.data[key].get("images"), list)):
                continue

            # This signifies the type of message to be sent.
            message_indicator = self.data[key].get("message")

            # No message.
            if message_indicator is None:
                helptext = f"{key.capitalize()}!"

                async def callback(self, ctx, *, args=None):
                    if args:
                        return
                    await _send_image(ctx, self.data[ctx.command.name]["images"])

            # Zero-length string.
            elif not message_indicator:
                helptext = f"{key.capitalize()} a user!"

                async def callback(self, ctx, *, user: str):
                    message = await _generate_message(ctx, ctx.command.name, user)
                    await _send_image(ctx, self.data[ctx.command.name]["images"], message)

            # Custom message.
            else:
                helptext = f"{key.capitalize()}!"

                async def callback(self, ctx, *, args=None):
                    if args:
                        return
                    await _send_image(ctx, self.data[ctx.command.name]["images"],
                                      self.data[ctx.command.name]["message"])

            # Ew, gross.
            aliases = self.data[key].get("aliases", [])
            for alias in aliases:
                if alias in bot.all_commands.keys():
                    aliases.remove(alias)
            command = commands.command(name=key, help=helptext, aliases=aliases)(callback)
            command = commands.cooldown(6, 12, commands.BucketType.channel)(command)
            command.instance = self
            setattr(self, key, command)