474         There are two ways to call this method, which may be used together :

   474         There are two ways to call this method, which may be used together :

   475 

   475 

   476         * using positional argument(s):

   476         * using positional argument(s):

   477 

   477 

   478           .. sourcecode:: python

   478           .. sourcecode:: python

   479                 rdef = self.schema['CWUser'].rdef('login')

   480                 rdef = self.schema['CWUser'].rdef('login')

   480                 with self.temporary_permissions((rdef, {'read': ()})):

   481                 with self.temporary_permissions((rdef, {'read': ()})):

   481                     ...

   482                     ...

   482 

   483 

   483 

   484 

   484         * using named argument(s):

   485         * using named argument(s):

   485 

   486 

   486           .. sourcecode:: python

   487           .. sourcecode:: python

   487                 rdef = self.schema['CWUser'].rdef('login')

   489                 rdef = self.schema['CWUser'].rdef('login')

   488                 with self.temporary_permissions(CWUser={'read': ()}):

   490                 with self.temporary_permissions(CWUser={'read': ()}):

   489                     ...

   491                     ...

   490 

   492 

   491         Usually the former will be prefered to override permissions on a

   493         Usually the former will be prefered to override permissions on a