o: "Django users" <django-users@googlegroups.com>
Sent: Wednesday, June 30, 2010 10:01:11 AM GMT -05:00 US/Canada Eastern
Subject: Re: Proper approach to updating model object with 100 attributes.
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"Djang
The frozenset wasn't any commentary on your approach or speed of
parsing, I just like to use them where-ever possible.
My only concern with your approach was that you were expecting every
field on the model to be in the dictionary. Looping over the
dictionary's items and ignoring any fields that
I'd stick to setattr and maybe verify that the key in the dictionary
is one of the model's fields. I think there is a method on _meta
called get_all_field_names. I've used this before to validate such
actions.
If that's the case, you can tweak the above to something like
for name in
I'd probably be a bit more cautious, since get_all_field_names gets
foreign keys and all sorts and the field might not be in the
dictionary.
I'd suggest:
# Make a frozenset of the fields for fast access:
allowed_fields = frozenset(obj._meta.get_all_field_names())
for field, value in
On 06/30/2010 02:10 AM, euan.godd...@googlemail.com wrote:
I think you need to be careful messing with __dict__ as Django turns
most fields in descriptors behind the scenes so setting them in the
__dict__ could break these.
Yeah, that was somewhat my assumption (and thus my caveat).
Well,
I think you need to be careful messing with __dict__ as Django turns
most fields in descriptors behind the scenes so setting them in the
__dict__ could break these.
I'd stick to setattr and maybe verify that the key in the dictionary
is one of the model's fields. I think there is a method on
"Ray Cote"<rgac...@appropriatesolutions.com>
Sent: Tuesday, June 29, 2010 2:03:05 PM GMT -05:00 US/Canada Eastern
Subject: Re: Proper approach to updating model object with 100 attributes.
On 06/29/2010 12:01 PM, Ray Cote wrote:
Hi List:
I have a Django model with over 100 fields in it
esolutions.com>
Sent: Tuesday, June 29, 2010 2:03:05 PM GMT -05:00 US/Canada Eastern
Subject: Re: Proper approach to updating model object with 100 attributes.
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
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
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