Let exception fire or return None
davea at davea.name
Thu Apr 30 10:18:06 CEST 2015
On 04/30/2015 03:43 AM, Cecil Westerhof wrote:
> I have a function to fetch a message from a file:
> def get_indexed_message(message_filename, index):
> Get index message from a file, where 0 gets the first message
> return open(expanduser(message_filename), 'r').readlines()[index].rstrip()
> What is more the Python way: let the exception fire like this code
> when index is to big, or catching it and returning None?
> I suppose working zero based is OK.
Fire an exception.
One advantage is that the exception will pinpoint exactly which line of
the function had a problem.
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