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From: Stefan Behnel <python-de@behnel.de>
Newsgroups: de.comp.lang.python
Subject: Re: [Python-de] War die Idee mit Iteratoren/Generatoren wirklich so super?
Date: Tue, 25 Jul 2017 12:23:36 +0200
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Achim Domma schrieb am 25.07.2017 um 11:35:
> def worker_factory():
>     # hier steht der setup code
>     con = open_connection()
> 
>     def worker(doc):
>         return mache_etwas(doc, con)
>     yield worker
> 
>     # teardown code
>     con.close()

Und wenn du daran jetzt noch einen Dekorator "@contextlib.contextmanager"
setzt, dann wird das Ganze auch noch so richtig sauber in with-Blöcken nutzbar.

Stefan