本文整理汇总了Python中transaction.TransactionManager.savepoint方法的典型用法代码示例。如果您正苦于以下问题：Python TransactionManager.savepoint方法的具体用法？Python TransactionManager.savepoint怎么用？Python TransactionManager.savepoint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transaction.TransactionManager的用法示例。
在下文中一共展示了TransactionManager.savepoint方法的1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: test_explicit_mode
# 需要导入模块: from transaction import TransactionManager [as 别名]
# 或者: from transaction.TransactionManager import savepoint [as 别名]
def test_explicit_mode(self):
from .. import TransactionManager
from ..interfaces import AlreadyInTransaction, NoTransaction
tm = TransactionManager()
self.assertFalse(tm.explicit)
tm = TransactionManager(explicit=True)
self.assertTrue(tm.explicit)
for name in 'get', 'commit', 'abort', 'doom', 'isDoomed', 'savepoint':
with self.assertRaises(NoTransaction):
getattr(tm, name)()
t = tm.begin()
with self.assertRaises(AlreadyInTransaction):
tm.begin()
self.assertTrue(t is tm.get())
self.assertFalse(tm.isDoomed())
tm.doom()
self.assertTrue(tm.isDoomed())
tm.abort()
for name in 'get', 'commit', 'abort', 'doom', 'isDoomed', 'savepoint':
with self.assertRaises(NoTransaction):
getattr(tm, name)()
t = tm.begin()
self.assertFalse(tm.isDoomed())
with self.assertRaises(AlreadyInTransaction):
tm.begin()
tm.savepoint()
tm.commit()