[EMAIL PROTECTED] wrote:
> I want to keep track of the number of different exception happens in
> my python program:
>
> ErrorHash = {}
>
> try:
>
> # come code ...
>
> except Exception, e:
> print e
> errcode = e
>
> if (ErrorHash.has_key(errcode)):
> ErrorFailNo = ErrorHash[errcode]
>
> ErrorHash[errcode] = ErrorFailNo + 1
>
> else:
> ErrorHash[errcode] = 1
>
>
> But when i print out the ErrorHash like this:
>
> print ErrorHash
>
> i get an empty string. Can you please tell me how can I put an
> Exception as the key of a hash table ? Or how can i dump out all the
> content of the hashtable.
>
> Thank you.
>
First, you may want
errcode = str(e)
instead of
errcode = e
Second, the empty string is probably because the Exception is
instantiated without a string. E.g.:
>>> str(Exception())
''
Third, you must not be showing us everything, because an Exception can
be used as a key, but does not give an empty string upon printing. You
are definitely not showing us what it looks like when you print
ErrorHash, which would be helpful.
Fourth, that you are creating a table of error codes means that you are
attempting to transmogrify the way python handles exceptions into some
paradigm you have used in a language like FORTRAN and thus are not using
exceptions in their intended way. You might describe the reason you are
generating error codes and gather suggestions about a more pythonic
(i.e. reasonable) approach.
James
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