[Mailman-Developers] Query regarding plugin integration with mailman3

[Aanand Shekhar Roy]

I am a bit under confusion here, I thought Chain handlers and rules were
to be used to create the modules that implement the plug-ins (which i had
mentioned in my previous mail, subject:"Approach for plugin ideas"), what
I was seeking was how to integrate it with the existing src of mailman in
a user's computer. I was wondering how the modules will get connected to
mailman src after they are downloaded and installed.
Which is by making a config file and setup.py file.
Am i missing something here

> See
>
> src/Mailman/mailman/src/mailman/core/chains.py
> src/Mailman/mailman/src/mailman/core/pipelines.py
>
> [@Barry This stuff seems kinda underdocumented, at least in this module?]
>
> This is not the way to create a plugin for a Python program.  The
> chains and pipelines code show the right way to do that: create a
> simple module that Python can import given its name, and then have
> that module do any further loading of code necessary for the plugin
> implementation.
>
> The question that remains is whether a chain (which is used to check
> whether a message should be distributed at all) or a pipeline handler
> (which manipulates messages) is sufficient for the plugins you
> envision.  I don't see why they would not be -- they are quite general
> mechanisms -- but there may be edge cases I haven't thought of.
>
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