本文整理匯總了Python中sqlalchemy.orm.collections.collection.removes方法的典型用法代碼示例。如果您正苦於以下問題：Python collection.removes方法的具體用法？Python collection.removes怎麽用？Python collection.removes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.orm.collections.collection的用法示例。
在下文中一共展示了collection.removes方法的2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: removes
# 需要導入模塊: from sqlalchemy.orm.collections import collection [as 別名]
# 或者: from sqlalchemy.orm.collections.collection import removes [as 別名]
def removes(arg):
"""Mark the method as removing an entity in the collection.
Adds "remove from collection" handling to the method. The decorator
argument indicates which method argument holds the SQLAlchemy-relevant
value to be removed. Arguments can be specified positionally (i.e.
integer) or by name::
@collection.removes(1)
def zap(self, item): ...
For methods where the value to remove is not known at call-time, use
collection.removes_return.
"""
def decorator(fn):
fn._sa_instrument_before = ('fire_remove_event', arg)
return fn
return decorator 示例2: removes
# 需要導入模塊: from sqlalchemy.orm.collections import collection [as 別名]
# 或者: from sqlalchemy.orm.collections.collection import removes [as 別名]
def removes(arg):
"""Mark the method as removing an entity in the collection.
Adds "remove from collection" handling to the method. The decorator
argument indicates which method argument holds the SQLAlchemy-relevant
value to be removed. Arguments can be specified positionally (i.e.
integer) or by name::
@collection.removes(1)
def zap(self, item): ...
For methods where the value to remove is not known at call-time, use
collection.removes_return.
"""
def decorator(fn):
fn._sa_instrument_before = ("fire_remove_event", arg)
return fn
return decorator