def validate_fields(ctx, param, value):
valid = Display.build_fields().keys()
possible = value.split(',') if value else []
for field in possible:
if field not in valid:
raise click.BadParameter(
'Field {} is not a valid field! Use {}'.format(
field, ','.join(valid)))
return possible
def validate_sort(ctx, param, value):
if value and value not in Display.build_fields().keys():
raise click.BadParameter(
'Sort parameter {} is not a valid field!'.format(value))
return value
