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# coding=utf-8 |
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class PermissionLogic(object): |
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""" |
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Abstract permission logic class |
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""" |
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def get_full_permission_string(self, perm): |
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""" |
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Return full permission string (app_label.perm_model) |
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""" |
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if not getattr(self, 'model', None): |
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raise AttributeError("You need to use `add_permission_logic` to " |
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"register the instance to the model class " |
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"before calling this method.") |
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app_label = self.model._meta.app_label |
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model_name = self.model._meta.object_name.lower() |
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return "%s.%s_%s" % (app_label, perm, model_name) |
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def has_perm(self, user_obj, perm, obj=None): |
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""" |
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Check if user have permission (of object) |
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Parameters |
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---------- |
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user_obj : django user model instance |
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A django user model instance which be checked |
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perm : string |
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`app_label.codename` formatted permission string |
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obj : None or django model instance |
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None or django model instance for object permission |
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Returns |
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------- |
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boolean |
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Whether the specified user have specified permission (of specified |
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object). |
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.. note:: |
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Sub class must override this method. |
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""" |
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raise NotImplementedError( |
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"'%s' does not override `has_perm(user_obj, perm, obj=None)` " |
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"method. Sub class of `PermissionLogic` must override this " |
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"method.") |
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lambdalisue /
django-permission
