def __init__(self, model_class=None, keys_only=False, compile=True,
               cursor=None):
    self._model_class = model_class
    self._keys_only = keys_only
    self._compile = compile
    if cursor is not None:
      self.with_cursor(cursor)
    else:
      self._cursor = None
Extract image disks from a compute node XML representation.
dataset/ETHPy150Open CollabQ/CollabQ/.google_appengine/google/appengine/ext/db/__init__.py/_BaseQuery.__init__--crossover with--dataset/ETHPy150Open apache/libcloud/libcloud/compute/drivers/opennebula.py/OpenNebula_2_0_NodeDriver._extract_images