code: def make_compare(key, value, obj):
      "Map a key name to a specific comparison function"
      if '__' not in key:
          # If no __ exists, default to doing an "exact" comparison
          key, comp = key, 'exact'
      else:
          key, comp = key.rsplit('__', 1)
      # Check if comp is valid
      if hasattr(Compare, comp):
          return getattr(Compare, comp)(key, value, obj)
      raise AttributeError("No comparison '%s'" % compf make_compare(key, value, obj):
      "Map a key name to a specific comparison function"
      if '__' not in key:
          # If no __ exists, default to doing an "exact" comparison
          key, comp = key, 'exact'
      else:
          key, comp = key.rsplit('__', 1)
      # Check if comp is valid
      if hasattr(Compare, comp):
          return getattr(Compare, comp)(key, value, obj)
      raise AttributeError("No comparison '%s'" % comp)
docs: Map a key name to a specific comparison function