errorlogs.py 文件源码

def _on_command_error(self, error, ctx: commands.Context):
        """Fires when a command error occurs."""
        if not self.log_channels or not isinstance(error, commands.CommandInvokeError):
            return
        destinations = [c for c in self.bot.get_all_channels() if c.id in self.log_channels]
        destinations += [c for c in self.bot.private_channels if c.id in self.log_channels]
        error_title = "Exception in command `{}` ¯\_(?)_/¯".format(ctx.command.qualified_name)
        log = "".join(traceback.format_exception(type(error), error,
                                                    error.__traceback__))
        channel = ctx.message.channel
        embed = discord.Embed(title=error_title, colour=discord.Colour.red(), timestamp=ctx.message.timestamp)
        embed.add_field(name="Invoker", value="{}\n({})".format(ctx.message.author.mention, str(ctx.message.author)))
        embed.add_field(name="Content", value=ctx.message.content)
        _channel_disp = "Private channel" if channel.is_private else "{}\n({})".format(channel.mention, channel.name)
        embed.add_field(name="Channel", value=_channel_disp)
        if not channel.is_private:
            embed.add_field(name="Server", value=ctx.message.server.name)
        for channel in destinations:
            try:
                await self.bot.send_message(channel, embed=embed)
            except discord.errors.Forbidden: # If bot can't embed
                msg = ("Invoker: {}\n"
                       "Content: {}\n"
                       "Channel: {}".format(str(ctx.message.author), ctx.message.content, _channel_disp))
                if not channel.is_private:
                    msg += "\nServer : {}".format(ctx.message.server.name)
                await self.bot.send_message(channel, box(msg))
            for page in pagify(log):
                await self.bot.send_message(channel, box(page, lang="py"))