Django ORM Adapter for PyCasbin

Django ORM Adapter is the Django's ORM adapter for PyCasbin. With this library, Casbin can load policy from Django ORM supported database or save policy to it.

Based on Officially Supported Databases, The current supported databases are:

• PostgreSQL
• MariaDB
• MySQL
• Oracle
• SQLite
• IBM DB2
• Microsoft SQL Server
• Firebird
• ODBC

Installation

pip install casbin-django-orm-adapter

Add casbin_adapter.apps.CasbinAdapterConfig to your INSTALLED_APPS

# settings.py
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))

INSTALLED_APPS = [
    ...
    'casbin_adapter.apps.CasbinAdapterConfig',
    ...
]

CASBIN_MODEL = os.path.join(BASE_DIR, 'casbin.conf')

To run schema migration, execute python manage.py migrate casbin_adapter

Simple Example

# views.py
from casbin_adapter.enforcer import enforcer

def hello(request):
    sub = "alice"  # the user that wants to access a resource.
    obj = "data1"  # the resource that is going to be accessed.
    act = "read"  # the operation that the user performs on the resource.

    if e.enforce(sub, obj, act):
        # permit alice to read data1casbin_django_orm_adapter
        pass
    else:
        # deny the request, show an error
        pass

Configuration

CASBIN_MODEL

A string containing the file location of your casbin model.

CASBIN_ADAPTER

A string containing the adapter import path. Default to the django adapter shipped with this package: casbin_adapter.adapter.Adapter

CASBIN_ADAPTER_ARGS

A tuple of arguments to be passed into the constructor of the adapter specified in CASBIN_ADAPTER. Refer to adapters to see available arguments.

E.g. if you wish to use the file adapter set the adapter to casbin.persist.adapters.FileAdapter and use CASBIN_ADAPTER_ARGS = ('path/to/policy_file.csv',)

CASBIN_DB_ALIAS

The database the adapter uses. Default to "default".

CASBIN_WATCHER

Watcher instance to be set as the watcher on the enforcer instance.

CASBIN_ROLE_MANAGER

Role manager instance to be set as the role manager on the enforcer instance.

Getting Help

• PyCasbin

License

This project is licensed under the Apache 2.0 license.