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Revision 2384

Added by Aaron Marcuse-Kubitza about 12 years ago

dicts.py: Added join()

View differences:

lib/dicts.py
40 40 
    if isinstance(value, list): value = tuple(value)
41 41 
    elif isinstance(value, dict): value = util.NamedTuple(**value)
42 42 
    return value
43 

  		




  
  44
  
    
def join(dict0, dict1):


  		




  
  45
  
    
    '''Joins dict0 (A->B mapping) to dict1 (B->C mapping) SQL-style.


  		




  
  46
  
    
    If a value in dict0 has no key in dict1, uses the value itself.


  		




  
  47
  
    
    '''


  		




  
  48
  
    
    new_dict = {}


  		




  
  49
  
    
    for out, in_ in dict0.iteritems():


  		




  
  50
  
    
        new_dict[out] = dict1.get(in_, in_) # use in_ if no match found


  		




  
  51
  
    
    return new_dict


  		












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