本文整理匯總了Python中sqlalchemy.ext.mutable.Mutable方法的典型用法代碼示例。如果您正苦於以下問題:Python mutable.Mutable方法的具體用法?Python mutable.Mutable怎麽用?Python mutable.Mutable使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類sqlalchemy.ext.mutable
的用法示例。
在下文中一共展示了mutable.Mutable方法的3個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: coerce
# 需要導入模塊: from sqlalchemy.ext import mutable [as 別名]
# 或者: from sqlalchemy.ext.mutable import Mutable [as 別名]
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
# 需要導入模塊: from sqlalchemy.ext import mutable [as 別名]
# 或者: from sqlalchemy.ext.mutable import Mutable [as 別名]
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
# 需要導入模塊: from sqlalchemy.ext import mutable [as 別名]
# 或者: from sqlalchemy.ext.mutable import Mutable [as 別名]
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()