Try-except for flow control in reading Sqlite
Victor Hooi
victorhooi at gmail.com
Mon Oct 28 02:57:16 EDT 2013
Hi,
We're on Python 2.6 (RHEL based system...) - I don't believe this exposes FileNotFoundError =(.
Cheers,
Victor
On Monday, 28 October 2013 17:36:05 UTC+11, Chris Angelico wrote:
> On Mon, Oct 28, 2013 at 2:43 PM, Victor Hooi <victorhooi at gmail.com> wrote:
>
> > Is it acceptable to use try-except in order to achieve this? E.g.:
>
> >
>
> > try:
>
> > # Try to open up the SQLite file, and lookup the required entries
>
> > except OSError:
>
> > # Open an empty SQLite file, and create the schema
>
> >
>
> >
>
> > My thinking is that it is (easier to ask forgiveness than permission), but I just wanted to check if there is a better way of achieving this?
>
>
>
> That looks fine as a model, but is OSError what you want to be
>
> catching? I'd go with FileNotFoundError if that's what you're looking
>
> for - OSError would also catch quite a bit else, like permissions
>
> errors.
>
>
>
> ChrisA
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