本文整理汇总了Python中sqlalchemy.ext.mutable.Mutable方法的典型用法代码示例。如果您正苦于以下问题：Python mutable.Mutable方法的具体用法？Python mutable.Mutable怎么用？Python mutable.Mutable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sqlalchemy.ext.mutable的用法示例。
在下文中一共展示了mutable.Mutable方法的3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: coerce
# 需要导入模块: from sqlalchemy.ext import mutable [as 别名]
# 或者: from sqlalchemy.ext.mutable import Mutable [as 别名]
def coerce(cls, key, value):
if not isinstance(value, MutableList):
if isinstance(value, list):
return MutableList(value)
return mutable.Mutable.coerce(key, value)
else:
return value 示例2: coerce
# 需要导入模块: from sqlalchemy.ext import mutable [as 别名]
# 或者: from sqlalchemy.ext.mutable import Mutable [as 别名]
def coerce(cls, key, value):
"""Convert plain lists to MutableList."""
if not isinstance(value, MutableList):
if isinstance(value, list):
return MutableList(value)
# this call will raise ValueError
return mutable.Mutable.coerce(key, value)
return value 示例3: changed
# 需要导入模块: from sqlalchemy.ext import mutable [as 别名]
# 或者: from sqlalchemy.ext.mutable import Mutable [as 别名]
def changed(self, message=None, *args):
"""Marks the object as changed.
If a `parent` attribute is set, the `changed()` method on the parent
will be called, propagating the change notification up the chain.
The message (if provided) will be debug logged.
"""
if message is not None:
logger.debug('%s: %s', self._repr(), message % args)
logger.debug('%s: changed', self._repr())
if self.parent is not None:
self.parent.changed()
elif isinstance(self, Mutable):
super(TrackedObject, self).changed()