shared/templates/kernel_build_config/template.py
def preprocess(data, lang):
if 'value' in data and 'variable' in data:
raise RuntimeError(
"ERROR: The template should not set both 'value' and 'variable'.\n"
"arg_name: {0}\n"
"arg_variable: {1}".format(data['value'], data['variable']))
if data.get('value', False) == 'n':
# A kernel configuration that is not set is not present in the config file
# or is commented out
data['should_check_absence'] = True
return data