本文整理匯總了Python中sqlalchemy.mapper.iterate_properties方法的典型用法代碼示例。如果您正苦於以下問題：Python mapper.iterate_properties方法的具體用法？Python mapper.iterate_properties怎麽用？Python mapper.iterate_properties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.mapper的用法示例。
在下文中一共展示了mapper.iterate_properties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: _setup_composite_listener
# 需要導入模塊: from sqlalchemy import mapper [as 別名]
# 或者: from sqlalchemy.mapper import iterate_properties [as 別名]
def _setup_composite_listener():
def _listen_for_type(mapper, class_):
for prop in mapper.iterate_properties:
if (hasattr(prop, 'composite_class') and
isinstance(prop.composite_class, type) and
issubclass(prop.composite_class, MutableComposite)):
prop.composite_class._listen_on_attribute(
getattr(class_, prop.key), False, class_)
if not event.contains(Mapper, "mapper_configured", _listen_for_type):
event.listen(Mapper, 'mapper_configured', _listen_for_type) 示例2: _setup_composite_listener
# 需要導入模塊: from sqlalchemy import mapper [as 別名]
# 或者: from sqlalchemy.mapper import iterate_properties [as 別名]
def _setup_composite_listener():
def _listen_for_type(mapper, class_):
for prop in mapper.iterate_properties:
if (
hasattr(prop, "composite_class")
and isinstance(prop.composite_class, type)
and issubclass(prop.composite_class, MutableComposite)
):
prop.composite_class._listen_on_attribute(
getattr(class_, prop.key), False, class_
)
if not event.contains(Mapper, "mapper_configured", _listen_for_type):
event.listen(Mapper, "mapper_configured", _listen_for_type) 示例3: _setup_composite_listener
# 需要導入模塊: from sqlalchemy import mapper [as 別名]
# 或者: from sqlalchemy.mapper import iterate_properties [as 別名]
def _setup_composite_listener():
def _listen_for_type(mapper, class_):
for prop in mapper.iterate_properties:
if (hasattr(prop, 'composite_class') and
isinstance(prop.composite_class, type) and
issubclass(prop.composite_class, MutableComposite)):
prop.composite_class._listen_on_attribute(
getattr(class_, prop.key), False, class_)
if not event.contains(Mapper, "mapper_configured", _listen_for_type):
event.listen(Mapper, 'mapper_configured', _listen_for_type)