[nimh-dev] Message problem

[Joel Uckelman <uckelman@xxxxxxxxx>]

I've encountered a problem with Message that I don't know how to solve.
What I'd written for the nimh.Message class wasn't actually being called,
due to there being no openessage() method in nimh.Folder. Once I added
that, I found that I can't properly construct a nimh.Message.

Here's the problem: nimh.Message is a subclass of email.Message. There are
only three ways to create an email.Message, by using email.message_from_file(),
by using email.Parser, or by using email.Message's ctor directly.

email.message_from_file() just calls email.Parser, so effectively those two
are the same. email.Parser returns an email.Message, not an nimh.Message, so
I don't see how that could be used to get a nimh.Message. The ctor for
email.Message takes no arguments---it creates an empty message---and none of
the member functions will read in a file. So I don't see how one could ever
usefully subclass email.Message without completely rewriting email.Parser
to return the subclass.

I don't get it. I'm going to commit what I have right now so you guys can
see it.


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