Help with capturing error
Peter Otten
__peter__ at web.de
Fri Nov 28 03:58:35 EST 2008
tekion wrote:
> Hello,
> I am getting the following error and my script is bailing out because
> of it. I have tried capturing it but it does not seem to work. Below
> is the error:
>
> ValueError: I/O operation on closed file
>
>
> the above error is received when, the following code snippet is
> executed:
> try:
> 117 self.xml_file.close()
> 118 except ValueError:
> 119 print "file, %s is already closed" % self.seek_file
>
> Any idea why line 118, is not capturing the error? Thanks.
It seems you didn't read the traceback carefully. Line 117 doesn't cause
that error. You can close a file as often as you like, but you can't
read/write to a closed file:
>>> f = open("tmp.txt", "w")
>>> f.close()
>>> f.close()
>>> f.close()
>>> f.write("yadda")
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ValueError: I/O operation on closed file
Peter
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