def grantPermissionToRole(self, permission_id, role_id):
"""Bind the permission to the role.
"""
s = select( [rpm.c.permission_id ],
and_( rpm.c.object_id == self.oid,
rpm.c.permission_id == permission_id,
rpm.c.role_id == role_id,
rpm.c.object_type == self.object_type )
)
if s.execute().fetchone():
self.unsetPermissionFromRole( permission_id, role_id )
rpm.insert(
values = dict( permission_id = permission_id,
role_id = role_id,
object_id = self.oid,
object_type = self.object_type )
).execute()