parameters: (self, dict)
docstring: Update the option values from an arbitrary dictionary, but only
          use keys from dict that already have a corresponding attribute
          in self.  Any keys in dict without a corresponding attribute
          are silently ignored.
docstring_summary: Update the option values from an arbitrary dictionary, but only
          use keys from dict that already have a corresponding attribute
          in self.  Any keys in dict without a corresponding attribute
          are silently ignored.
docstring_tokens: Update the option values from an arbitrary dictionary but only use keys from dict that already have a corresponding attribute in self . Any keys in dict without a corresponding attribute are silently ignored .
function: def _update_careful(self, dict):
          """
          Update the option values from an arbitrary dictionary, but only
          use keys from dict that already have a corresponding attribute
          in self.  Any keys in dict without a corresponding attribute
          are silently ignored.
          """
          for attr in dir(self):
              if attr in dict:
                  dval = dict[attr]
                  if dval is not None:
                      setattr(self, attr, dval)
function_tokens: def _update_careful ( self , dict ) : for attr in dir ( self ) : if attr in dict : dval = dict [ attr ] if dval is not None : setattr ( self , attr , dval )