本文整理汇总了Python中lsst.pex.policy.Policy.names方法的典型用法代码示例。如果您正苦于以下问题：Python Policy.names方法的具体用法？Python Policy.names怎么用？Python Policy.names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lsst.pex.policy.Policy的用法示例。
在下文中一共展示了Policy.names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: PolicyBlackboardItem
# 需要导入模块: from lsst.pex.policy import Policy [as 别名]
# 或者: from lsst.pex.policy.Policy import names [as 别名]
class PolicyBlackboardItem(BlackboardItem):
"""
An implementation of a BlackboardItem that stores properities via a
policy
"""
def __init__(self, policyfile=None):
"""
create an item with the given properties.
@param policyfile A policy
"""
# the properties attached to this items
self._props = None
if policyfile:
self._props = Policy.createPolicy(policyfile)
else:
self._props = Policy()
def getProperty(self, name, default=None):
"""
return the value for a property
@param name the property name
@parma default the default value to return if the name is not set
"""
if not self._props.exists(name):
return default
elif self._props.isArray(name):
return self._props.getArray(name)
else:
return self._props.get(name)
def hasProperty(self, name):
"""
return True if the property with the given name is available
"""
return self._props.exists(name)
def __getitem__(self, name):
if not self._props.exists(name):
raise KeyError(name)
return BlackboardItem.__getitem__(self, name)
def _setProperty(self, name, val):
# set a property value
if isinstance(val, list):
self._props.set(name, val.pop(0))
for v in val:
self._props.add(name, v)
else:
self._props.set(name, val)
def getPropertyNames(self):
"""
return the property names that make up this item
"""
return self._props.names()
def _copyFrom(self, item):
for name in item.getPropertyNames():
self._setProperty(name, item.getProperty(name))
@staticmethod
def createFormatter():
return PolicyBlackboardItem._Fmtr()
class _Fmtr(object):
def write(self, filename, item):
pol = None
if isinstance(item, PolicyBlackboardItem):
pol = item._props
else:
delegate = PolicyBlackboardItem()
delegate._copyFrom(item)
pol = delegate._props
writer = PAFWriter(filename)
try:
writer.write(pol, True)
finally:
writer.close()
def openItem(self, filename):
out = PolicyBlackboardItem()
out._props = Policy.createPolicy(filename)
return out
def filenameExt(self):
"""
return the recommended extension for the format this writes out
"""
return "paf"