Hey Guys,
Do you have any suggestions on a good way to grab error types during Model
Validation? I'm not using Forms or HTML. First, here's a simplified snippet
showing my current format for Model Data Validation.
my_object = MyModel(**data_dict)
try:
my_object.full_clean()
my_object.save()
return SuccessJSONResponse()
except ValidationError, e:
print e.message_dict # Testing
# ... build some custom JSON data from the error
return ErrorJSONResponse(json_data)
This works fine for properly validating the data and being able to print
out errors. It also allows me to easily see which fields threw errors.
Unfortunately, it doesn't provide me with the types of errors in a
"programmatic" fashion as far as I can tell. For example, a field can fail
because it's a duplicate entry or it can fail because it didn't meet the
criteria of the field-type (e.g. max_length).
What I'm hoping for is there's a way I can still easily validate my data
using my Model but get more specific information about the types of errors.
If it's an IntegrityError then I need to build a custom response indicating
which field had failed along with an "internal" (to the project) error code
and a description. If it's some other specific error (for example, maybe an
email address isn't a "valid" email address) then I'd like to identify the
error type, field name, and display that error accordingly. Hopefully that
makes sense :)
I'm not sure if I'm just over-looking something or trying to do things the
hard way but I'm up for suggestions. Keep in mind that Forms + HTML are out
of the question since this is an API-only application.
Thanks!
- Kurtis
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