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Re: 'generator ignored GeneratorExit''

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  Re: 'generator ignored GeneratorExit'' MRAB <python@mrabarnett.plus.com> - 2012-10-20 23:22 +0100

#31824 — Re: 'generator ignored GeneratorExit''

On 2012-10-20 21:03, Charles Hixson wrote:
> If I run the following code in the same module, it works correctly, but
> if I import it I get the message:
> Exception RuntimeError: 'generator ignored GeneratorExit' in <generator
> object getNxtFile at 0x7f932f884f50> ignored
>
> def getNxtFile (startDir, exts = ["txt", "utf8"]):
>       try:
>           for    path    in    getNxtPath (startDir, exts):
>               try:
>                   fil    =    open (path, encoding = "utf-8-sig")
>                   yield    fil
>               except:
>                   print ("Could not read:  ", path)
>       except    GeneratorExit:
>           raise    StopIteration
>
> The message appears to be purely informational, but I *would* like to
> fix whatever problem it's reporting, and none of the changes that I've
> tried have worked.  What *should* I be doing?
>
That code has a bare except, which is virtually always a bad idea
because it swallows _all_ exceptions. Maybe, in this case, it's
swallowing an exception that would tell you the cause of the problem.

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