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I create custom user and Group model inherit the Abstract user modeland auth Group model.

But I create the staff member and give some permission the same error trigger. then check the user permission the same error trigger.

Put some code or error . How to figure out this error?? `

(Pdb) user=request.user
(Pdb) user
<SimpleLazyObject: <User: Gaurav@gmail.com>>
(Pdb) user.groups.first()
<UserGroup: Test>
(Pdb) g1=user.groups.first()
(Pdb) g1.permissions.all()
<QuerySet [<Permission: auth | group | Can add group>, <Permission: auth | group | Can change group>, <Permission: auth | group | Can delete group>, <Permission: auth | group | Can view group>, <Permission: camera | CameraGroup | Can add CameraGroup>, <Permission: camera | CameraGroup | Can change CameraGroup>, <Permission: camera | CameraGroup | Can delete CameraGroup>, <Permission: camera | CameraGroup | Can view CameraGroup>]>
(Pdb) user.has_perm('view_cameragroup')
*** ValueError: Cannot query "Gaurav@gmail.com": Must be "Group" instance.`
Gaurav Goyal
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1 Answers1

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Your parameter in has_perm() method seems incorrect. Parameter for checking permission made from app label, permission code and model name. For example your app name is blog and your model name is Post. If you want user have view permission then you can check it by user.has_perm('blog.view_post').

You can get further guidance from django documentation : https://docs.djangoproject.com/en/3.0/topics/auth/default/#default-permissions

I hope this will help you :)

PyMaster
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