def _validate(self, data):
if not data.variables:
raise DataError('FOR loop has no loop variables.')
for var in data.variables:
if not is_scalar_var(var):
raise DataError("Invalid FOR loop variable '%s'." % var)
if not data.values:
raise DataError('FOR loop has no loop values.')
if not data.keywords:
raise DataError('FOR loop contains no keywords.')
def _format_arg(self, arg):
if not is_scalar_var(arg):
self._raise_invalid_spec("Invalid argument syntax '%s'." % arg)
return arg[2:-1]
def _format_arg(self, arg):
if not is_scalar_var(arg):
self._raise_invalid_spec("Invalid argument syntax '%s'." % arg)
return arg[2:-1]