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Re: Understanding and dealing with an exception

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  Re: Understanding and dealing with an exception Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-10-14 09:20 +0100

#31242 — Re: Understanding and dealing with an exception

On 14/10/2012 05:23, Vincent Davis wrote:
> I am working on a script to find bad image files. I am using PIL
> and specifically image.verify() I have a set of known to be bad image files
> to test. I also what to be able to test any file for example a .txt and
> deal with the exception.
> Currently my code is basically
>
> try:
>      im = Image.open(ifile)
>      try:
>          print(im.verify())
>      except:
>          print('Pil image.verify() failed: ' + afile)
> except IOError:
>      print('PIL cannot identify image file: ' + afile)
> except:
>      print(ifile)
>      print("Unexpected error doing PIL.Image.open():", sys.exc_info()[0])
>      raise

[snip]

>
> Vincent
>

You've already had some advice so I'll just point out that a bare except 
is a bad idea as you wouldn't even be able to catch a user interrupt. 
Try (groan!) catching StandardError instead.

-- 
Cheers.

Mark Lawrence.

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