Source Code for Module turbogears.hooks

 1  """Standard TurboGears request hooks for CherryPy.""" 
 2  
 
 3  __all__ = ['NestedVariablesHook'] 
 4  
 
 5  from cherrypy import request 
 6  from formencode.variabledecode import NestedVariables 
 7  
 
 8  
 
 9 -def NestedVariablesHook(): 
10      """Request filter for handling nested variables.
 
11  
 
12      Turns request parameters with names in special dotted notation into
 
13      nested dictionaries via the FormEncode NestedVariables validator.
 
14  
 
15      Stores the original parameters in the 'original_params' attribute.
 
16  
 
17      """ 
18      try: 
19          params = request.params 
20      except AttributeError: 
21          pass 
22      else: 
23          request.original_params = params 
24          request.params = NestedVariables.to_python(params or {}) 
25