Source Code for Module advene.model.exceptions

 1  """ 
 2  I define exceptions used in the model implementation. 
 3  """ 
 4   
 5 -class ModelError(Exception): 
 6      """ 
 7      Integrity constraints of the Advene model have been violated. 
 8      """ 
 9      pass 
10   
11 -class NoClaimingError(Exception): 
12      """Raised whenever no backend nor parser claims a package URL.""" 
13      pass 
14   
15 -class NoSuchElementError(KeyError): 
16      """Raised whenever an element cannot be found in a package.""" 
17      pass 
18   
19 -class UnreachableImportError(KeyError): 
20      """Raised whenever an element from an unreachable import is sought.""" 
21      pass 
22   
23 -class NoContentHandlerError(Exception): 
24      """Raised whenever a content can not be handled (view, query....).""" 
25      pass 
26   
27 -class ContentHandlingError(Exception): 
28      """Raised whenever a content handler has an internal error.""" 
29      pass 
30