本文整理汇总了Python中theano.gof.python25.OrderedDict.items方法的典型用法代码示例。如果您正苦于以下问题：Python OrderedDict.items方法的具体用法？Python OrderedDict.items怎么用？Python OrderedDict.items使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类theano.gof.python25.OrderedDict的用法示例。
在下文中一共展示了OrderedDict.items方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: orderings
# 需要导入模块: from theano.gof.python25 import OrderedDict [as 别名]
# 或者: from theano.gof.python25.OrderedDict import items [as 别名]
def orderings(self):
"""
Return dict d s.t. d[node] is a list of nodes that must be evaluated
before node itself can be evaluated.
This is used primarily by the destroy_handler feature to ensure that
all clients of any destroyed inputs have already computed their
outputs.
:note: This only calls the orderings() fct on all features. It does not
take care of computing dependencies by itself.
"""
ords = OrderedDict()
assert isinstance(self._features, list)
for feature in self._features:
if hasattr(feature, 'orderings'):
orderings = feature.orderings(self)
if not isinstance(orderings, OrderedDict):
raise TypeError("Non-deterministic return value from " +
str(feature.orderings) +
". Nondeterministic object is " +
str(orderings))
for node, prereqs in orderings.items():
if not isinstance(prereqs, (list, OrderedSet)):
raise TypeError(
"prereqs must be a type with a "
"deterministic iteration order, or toposort "
" will be non-deterministic.")
ords.setdefault(node, []).extend(prereqs)
# eliminate duplicate prereqs
for (node, prereqs) in ords.items():
ords[node] = list(OrderedSet(prereqs))
return ords