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Date: Tue, 22 Oct 2013 03:04:31 +0100
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Subject: Re: Using "with" context handler, and catching specific exception?
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Xref: csiph.com comp.lang.python:57220

On 22/10/2013 02:43, Victor Hooi wrote:
> Hi,
>
> I suspect I'm holding
>
> How should I use the "with" context handler as well as handling specific exceptions?
>
> For example, for a file:
>
>      with open('somefile.log', 'wb') as f:
>          f.write("hello there")
>
> How could I specifically catch IOError in the above, and handle that? Should I wrap the whole thing in a try-except block?
>
Yes, it's as simple as that.

> (For example, if I wanted to try a different location, or if I wanted to print a specific error message to the logfile).
>
>      try:
>          with open('somefile.log', 'wb' as f:
>              f.write("hello there")
>      except IOError as e:
>          logger.error("Uhoh, the file wasn't there").
>