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restrict user access to modeladmin via metaclass

Author:
code_shogan
Posted:
February 20, 2011
Language:
Python
Version:
Not specified
Score:
1 (after 1 ratings)

  • Include __metaclass__ = user_lock to your ModelAdmin class

  • Add __target__ = path_to_user_field somewhere in the ModelAdmin

  • done!

__target__ is what will be used in the filter call. examples 'user' or 'author' or 'message__user' e.t.c.

The result of __target__ is the field that is then checked against request.user

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class user_lock(type):
    @staticmethod
    def queryset(self, request):
        qs = super(self.__class__, self).queryset(request)
        if request.user.is_superuser:
            return qs
        return qs.filter(**{self.__target__:request.user})
    def __new__(self, name, bases, dic):
        dic['queryset'] = self.queryset
        return type(name, bases, dic)

class MyAdmin (ModelAdmin):
    __metaclass__ = user_lock
    __target__ = 'user'

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