17 

    17 

    18 # import interfaces

    18 # import interfaces

    19 from pyams_form.interfaces.form import IFormSecurityContext, IFormContextPermissionChecker

    19 from pyams_form.interfaces.form import IFormSecurityContext, IFormContextPermissionChecker

    20 

    20 

    21 # import packages

    21 # import packages

    22 

    23 

    23 

    24 

    24 class ProtectedFormObjectMixin(object):

    25 class ProtectedFormObjectMixin(object):

    25     """Form object protected by a permission"""

    26     """Form object protected by a permission"""

    26 

    27 

    28     def permission(self):

    29     def permission(self):

    29         registry = self.request.registry

    30         registry = self.request.registry

    30         checker = None

    31         checker = None

    31         context = IFormSecurityContext(self, None)

    32         context = IFormSecurityContext(self, None)

    32         if context is None:

    33         if context is None: