utils.py 文件源码

def filter_by_status(values_with_status, context=None, level=logbook.ERROR):
  """Filter a `list` of `(bool, value)` pairs on the `bool` value, warning on `False` values.

  >>> filter_by_status([(True, 'foo'), (False, 'bar')])
  ['foo']

  """
  values = list()
  for (status, value_or_traceback) in values_with_status:
    if not status:
      logger.log(level, "[{!s}] failed to retrieve data:\n{!s}", context, value_or_traceback)
    else:
      values.append(value_or_traceback)
  return values