On 9 February 2012 15:45, Anthony <[email protected]> wrote:

> I do not understand this properly.
>>
>> After explicitly importing 'current' in the controller, I made some
>> progress.  But why is the class definition necessary and how does it
>> initialise db when db is not available in the module?
>>
>
> You don't necessarily need a class. The point is just that you need to
> pass in the db instance, either via an __init__ method of a class, or
> simply as an argument to your function. In your case:
>
> def number_of_records(db, table):
>
> And when you call that function, pass in your db object as the first
> argument. Another option is to add the db object to "current" -- for
> example, in the db.py model file:
>
> from gluon import current
> current.db = db
>
> Then when you import current in your module, you can refer to current.db.
>
>
Thanks Anthony.  That clears up a few things for me.

Regards
Johann

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