問題描述
在 discord.py 文檔中，有擴展:https://discordpy.readthedocs.io/en/stable/ext/commands/extensions.html和齒輪:https://discordpy.readthedocs.io/en/stable/ext/commands/cogs.html有什么區別?
In the discord.py documention, there are Extensions: https://discordpy.readthedocs.io/en/stable/ext/commands/extensions.html and Cogs: https://discordpy.readthedocs.io/en/stable/ext/commands/cogs.html what is the difference?
推薦答案
擴展是被加載的文件，當你調用 load_extension 時，將它們視為 discord.py 庫導入的模塊.導入發生后，一個 setup 函數被調用，并被傳遞給它被加載到的 Bot 實例......本質上是 module.setup(bot).就是這樣，沒有更多的擴展......通常這個設置函數調用 add_cog 將在下面描述，但是沒有要求他們這樣做.
Extensions are files that are loaded, think of them as modules that the discord.py library imports when you call load_extension. After the import happens, a setup function is called, and is passed the Bot instance that it was loaded into....essentially module.setup(bot). That is it, there is no more to extensions...typically this setup function calls add_cog which will be described next, however there is no requirement that they do so.
Cog 是從 commands.Cog 繼承的類，并通過 add_cog 添加到機器人的 cog 列表中，這些類通常包含命令并充當"類別"對于這些命令.它還可以容納諸如 on_message 或 on_member_join 等事件的偵聽器.
A Cog is a class that inherits from commands.Cog and is added to the bot's list of cogs through add_cog, these classes typically house commands and act as a "category" for these commands. It can also house listeners for events such as on_message or on_member_join, etc.
TL;DR - 擴展是導入的模塊，cogs 是類
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