[Django]-Adding attributes into Django Model's Meta class

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64👍

✅

I don’t know about elegant, but one pragmatic way is:

import django.db.models.options as options

options.DEFAULT_NAMES = options.DEFAULT_NAMES + ('schema',)

Obviously, this would break if Django ever added a ‘schema’ attribute of its own. But hey, it’s a thought…you could always pick an attribute name which is less likely to clash.

👤Vinay Sajip

4👍

Not a direct answer, but I did not like the idea of adding it in every model where I need it to the options, so I did:

class MyModel(models.Model):
    
    class Meta:
        ordering = ["myfield"]

    class MyPrefixMeta:
        my_value = "Abc"

You could even put this to a abstract model and validate the set class properties in __init__ function or do things like adding a _myprefix_meta property to the model. So you had your own meta class.

👤user1383029

3👍

This works for me for setting extra fields in meta for a Django model.

class Vendor(CustomModel):

    def __init__(self, *args, **kwargs):
        cls = self.__class__
        meta = getattr(cls, '_meta', None)
        setattr(meta, 'exclude_logging', ["otp", "is_otp_verified"])
        super().__init__(*args, **kwargs)

This exclude_logging field can be accessed as below.

class CustomModel(models.Model):

    objects = UpdateManager()

    class Meta:
        abstract = True

    def save(self, *args, **kwargs):
        print(self._meta.exclude_logging)

I hope this solves the problem.

👤Nihal Sharma

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