本文整理汇总了Python中lp.services.database.interfaces.IStore.one方法的典型用法代码示例。如果您正苦于以下问题：Python IStore.one方法的具体用法？Python IStore.one怎么用？Python IStore.one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lp.services.database.interfaces.IStore的用法示例。
在下文中一共展示了IStore.one方法的2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: hasDatabaseBeenWrittenTo
# 需要导入模块: from lp.services.database.interfaces import IStore [as 别名]
# 或者: from lp.services.database.interfaces.IStore import one [as 别名]
def hasDatabaseBeenWrittenTo(self, test_token):
"""Is the object made by `writeToDatabase` present in the database?
:param test_token: The return value from `writeToDatabase`.
:return: Has the change represented by `test_token` been made to the
database?
"""
query = IStore(Person).find(Person, Person.name == test_token)
return query.one() is not None示例2: getOrCreateDeviceClass
# 需要导入模块: from lp.services.database.interfaces import IStore [as 别名]
# 或者: from lp.services.database.interfaces.IStore import one [as 别名]
def getOrCreateDeviceClass(self, main_class, sub_class=None):
"""See `IHWDevice.`"""
result_set = IStore(HWDeviceClass).find(
HWDeviceClass,
HWDeviceClass.device == self.id,
HWDeviceClass.main_class == main_class,
HWDeviceClass.sub_class == sub_class,
)
existing_record = result_set.one()
if existing_record is not None:
return existing_record
return HWDeviceClass(device=self, main_class=main_class, sub_class=sub_class)