[Python-Dev] Think a dead import finding script would be handy?

[Georg Brandl]

Brett Cannon schrieb:
> After Christian mentioned how we could speed up interpreter start-up
> by removing some dead imports he found, I decided to write up a quick
> script that generates the AST for a source file and (very roughly)
> tries to find imports that are never used. People think it's worth
> tossing into Tools, even if it is kind of rough? Otherwise I might
> toss it into the sandbox or make a quick Google code project out of
> it.
> 
> Regardless, one interesting side-effect of the script is that beyond
> finding some extraneous imports in various places, it also found some
> holes in __all__. I have the script look for the definition of __all__
> and consider an import used if it is listed there.

pylint already finds unused imports. It finds tons of other, relatively
useless, stuff in the default configuration, but I'm sure it can be
coaxed into only showing unused imports too.

Georg

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