def _replace_path(self, path):
if path in self._field_to_key:<EOL><INDENT>return self._field_to_key[path]<EOL><DEDENT>next_key = "<STR_LIT>" % self._next_field<EOL>self._next_field += <NUM_LIT:1><EOL>self._field_to_key[path] = next_key<EOL>self._fields[next_key] = path<EOL>return next_key<EOL>
Get the replacement value for a path