utils.py 文件源码

def filter_keyed_by_status(keys, values_with_status, context=None, level=logbook.ERROR):
  """Filter `values_with_status` (a `list` of `(bool, value)`); return dict with corresponding keys.

  >>> dict(filter_keyed_by_status(['one', 'two'], [(True, 'foo'), (False, 'bar')]))
  {'one': 'foo'}

  """

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