def main(self, config_filename):
self._read_configuration_file(config_filename)<EOL>if self._wrapper_class_name:<EOL><INDENT>self._io.title('<STR_LIT>')<EOL>self.__generate_wrapper_class()<EOL><DEDENT>else:<EOL><INDENT>self._io.log_verbose('<STR_LIT>')<EOL><DEDENT>return <NUM_LIT:0><EOL>
The "main" of the wrapper generator. Returns 0 on success, 1 if one or more errors occurred.

:param str config_filename: The name of the configuration file.

:rtype: int