def __safe_name(self, method_name):
<EOL>safe_name = re.sub(r'<STR_LIT>', '<STR_LIT>', method_name)<EOL>safe_name = safe_name.lstrip('<STR_LIT:_>')<EOL>return safe_name[<NUM_LIT:0>:<NUM_LIT:1>].lower() + safe_name[<NUM_LIT:1>:]<EOL>
Restrict method name to a-zA-Z0-9_, first char lowercase.