On 06/29/2010 12:01 PM, Ray Cote wrote:
Hi List:
I have a Django model with over 100 fields in it that is loaded from a data
feed.
Each row in the model has a unique field, let's call it item_id.
When loading new data, I'm first checking to see if item_id is in the table,
if it is, I want to update it with the new data from the new 100 fields.
To date, I've done things like:
obj = Model.objects.get(item_id = item_id_from_field)
and then.
obj.field1 = new_field1
etc.
However, for 100 fields, I'd like to find something a bit cleaner than listing
100 fieldnames.
The data for the new 100 fields is in a nice dictionary.
When I create a new item, I'm able to do this:
obj = MyModel(**dictionary_of_field_values)
Is there something similar I can do with my obj once the data is retrieved?
Well, you could do something like
for name, value in dictionary_of_field_values.items():
setattr(obj, name, value)
or possibly even just
obj.__dict__.update(dictionary_of_field_values)
(I'm not sure how this interacts with Django's meta-class
yumminess, but it works for regular Python classes)
-tkc
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