How to import a model in Django given the name

Question

given a string identifying a Django model I have to obtain the associated object of type <class 'django.db.models.base.ModelBase'> or None.

I'm going to show my solution, that works fine but looks ugly. I'd be glad to know if there are better options to obtain the same result. Does something like a Django shortcut exist for that? Thanks.

>>> from django.utils.importlib import import_module
>>> model = 'sandbox.models.Category'
>>> full_name = model.split(".")
>>> module_name = ".".join(full_name[:-1])
>>> class_name = full_name[-1]
>>> model = getattr(import_module(module_name), class_name, None)
>>> type(model)
<class 'django.db.models.base.ModelBase'>

Aldarund · Accepted Answer · 2018-03-19 17:17:21Z

8

There exists a shorcut get_model.

from django.db.models import get_model

And here its signature:

def get_model(self, app_label, model_name, seed_cache=True):

And here how can you use it:

>>> from django.db.models import get_model
>>> model = 'amavisd.models.Domain'
>>> app_label, _, class_name  = model.split('.')
>>> model = get_model(app_label, class_name)
>>> type(model)
class 'django.db.models.base.ModelBase'

For django 1.8+ you can use following code

>>> from django.apps import apps
>>> apps.get_model('shop', 'Product')
<class 'shop.models.Product'>
>>>

edited Mar 19, 2018 at 17:17

answered Apr 4, 2011 at 19:13

Aldarund

17.6k6 gold badges76 silver badges106 bronze badges

Sign up to request clarification or add additional context in comments.

1 Comment

unlockme Over a year ago

I cant find get_model in django.db.models in django 2.0 or 1.11

Collectives™ on Stack Overflow

How to import a model in Django given the name

1 Answer 1

1 Comment

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

1 Comment

Your Answer

Sign up or log in

Post as a guest

Related