def METHOD_NAME(self, cpython_fun_name):
    if cpython_fun_name in DOC_C_API_PAGES_SPECIAL_CASES:
        return DOC_C_API_PAGES_SPECIAL_CASES[cpython_fun_name] + '.html'
    first_underscore = cpython_fun_name.find('_')
    if cpython_fun_name.startswith('Py') and first_underscore != -1:
        prefix = cpython_fun_name[2:first_underscore].lower()
        return DOC_PREFIX_TABLE.get(prefix, prefix) + '.html'
    else:
        return 'abstract.html'