def _pfp__snapshot(self, recurse=True):
        """Save off the current value of the field
        """
        if hasattr(self, "_pfp__value"):
            self._pfp__snapshot_value = self._pfp__value
def _pfp__snapshot ( self , recurse = True ) : if hasattr ( self , "_pfp__value" ) : self . _pfp__snapshot_value = self . _pfp__value
Save off the current value of the field