本文整理汇总了Python中sqlalchemy.mapper.iterate_properties方法的典型用法代码示例。如果您正苦于以下问题:Python mapper.iterate_properties方法的具体用法?Python mapper.iterate_properties怎么用?Python mapper.iterate_properties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.mapper
的用法示例。
在下文中一共展示了mapper.iterate_properties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: _setup_composite_listener
# 需要导入模块: from sqlalchemy import mapper [as 别名]
# 或者: from sqlalchemy.mapper import iterate_properties [as 别名]
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
# 需要导入模块: from sqlalchemy import mapper [as 别名]
# 或者: from sqlalchemy.mapper import iterate_properties [as 别名]
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
# 需要导入模块: from sqlalchemy import mapper [as 别名]
# 或者: from sqlalchemy.mapper import iterate_properties [as 别名]
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)