Utils

Shortcuts

get_user_role(user)

Returns the role class of the user.

from rolepermissions.shortcuts import get_user_role

role = get_user_role(user)
assign_role(user, role)

Assigns a role to the user. Role parameter can be passed as string or role class object.

from rolepermissions.shortcuts import assign_role

assign_role(user, 'doctor')
remove_role(user)

Remove any role that was assigned to the specified user.

available_perm_status(user)

Returns a dictionary containg all permissions available to the role of the specified user. Permissions are the keys of the dictionary, and values are True or False indicating if the permission is granted or not.

from rolepermissions.shortcuts import available_perm_status

permissions = available_perm_status(user)

if permissions['create_medical_record']:
    print 'user can create medical record'
grant_permission(user, permission_name)

Grants a permission to a user. Will not grant a permission that is not listed in the role available_permissions.

from rolepermissions.shortcuts import grant_permission

grant_permission(user, 'create_medical_record')
revoke_permission(user, permission_name)

Revokes a permission.

from rolepermissions.shortcuts import revoke_permission

revoke_permission(user, 'create_medical_record')

Permission and role verification

The following functions will always return True for users with supper_user status.

has_role(user, roles)

Receives a user and a role and returns True if user has the specified role. Roles can be passed as object, snake cased string representation or inside a list.

from rolepermissions.verifications import has_role
from my_project.roles import Doctor

if has_role(user, [Doctor, 'nurse']):
    print 'User is a Doctor or a nurse'
has_permission(user, permission)

Receives a user and a permission and returns True is the user has ths specified permission.

from rolepermissions.verifications import has_permission
from my_project.roles import Doctor
from records.models import MedicalRecord

if has_permission(user, 'create_medical_record'):
    medical_record = MedicalRecord(...)
    medical_record.save()
has_object_permission(checker_name, user, obj)

Receives a string referencing the object permission checker, a user and the object to be verified.

from rolepermissions.verifications import has_object_permission
from clinics.models import Clinic

clinic = Clinic.objects.get(id=1)

if has_object_permission('access_clinic', user, clinic):
    print 'access granted'

Template tags

To load template tags use:

{% load permission_tags %}
*filter* has_role

Receives a camel case representation of a role or more than one separated by coma.

{% load permission_tags %}
{% if user|has_role:'doctor,nurse' %}
    the user is a doctor or a nurse
{% endif %}
*filter* can

Role permission filter.

{% load permission_tags %}
{% if user|can:'create_medical_record' %}
    <a href="/create_record">create record</a>
{% endif %}
*tag* can

If no user is passed to the tag, the logged user will be used in the verification.

{% load permission_tags %}

{% can "access_clinic" clinic user=user as can_access_clinic %}
{% if can_access_clinic %}
    <a href="/clinic/1/">Clinic</a>
{% endif %}