EP Asynchrony
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109
[Test]/test.py
109
[Test]/test.py
@@ -13,103 +13,61 @@ class Test(Asynchronous):
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super().__init__(c={"timeout":2},b={"timeout":10})
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self.a = 1
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async def geta(obj:Test) -> int:
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# 字段a已在__init__中初始化,可以直接访问
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if obj.is_field_initialized('a'):
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print(f"geta:{obj.a}")
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return obj.a
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else:
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# 使用异步方法获取
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value = await obj.get_field_async('a')
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print(f"geta:{value}")
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return value
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async def getb(obj:Test) -> int:
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# 字段b有超时设置但未初始化,使用异步方法获取
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try:
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value = await obj.get_field_async('b')
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print(f"getb:{value}")
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return value
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except TimeoutError as e:
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print(f"getb timeout: {e}")
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raise
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async def getc(obj:Test) -> int:
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# 字段c有超时设置但未初始化,使用异步方法获取
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try:
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value = await obj.get_field_async('c')
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print(f"getc:{value}")
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return value
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except TimeoutError as e:
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print(f"getc timeout: {e}")
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raise
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async def seta(obj:Test, value:int, delay:float = 1) -> None:
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await asyncio.sleep(delay)
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obj.a = value
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async def setb(obj:Test, value:int, delay:float = 1) -> None:
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await asyncio.sleep(delay)
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obj.b = value
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async def setc(obj:Test, value:int, delay:float = 1) -> None:
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await asyncio.sleep(delay)
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obj.c = value
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async def run():
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print("=== 测试优化后的异步字段系统 ===")
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test = Test()
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# 测试字段状态检查
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print(f"字段初始化状态 - a: {test.is_field_initialized('a')}, b: {test.is_field_initialized('b')}, c: {test.is_field_initialized('c')}")
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# 测试超时设置查询
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print(f"字段超时设置 - b: {test.get_field_timeout('b')}s, c: {test.get_field_timeout('c')}s")
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assert test.is_field_initialized('a')
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assert not test.is_field_initialized('b')
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assert not test.is_field_initialized('c')
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print("\n=== 测试1:未设置值的情况(应该超时)===")
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try:
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print("开始并发获取字段值...")
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r = await asyncio.gather(geta(test), getb(test), getc(test))
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print(f"结果: {r}")
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print(f"失败: {test.a,test.b,test.c}")
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raise RuntimeError("测试1应该超时")
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except Exception as e:
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print(f"捕获到异常: {e}")
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print(f"成功: {e}")
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print("\n=== 测试2:在超时前设置字段b的值 ===")
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# 创建新的测试实例
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test2 = Test()
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print(f"设置前字段b初始化状态: {test2.is_field_initialized('b')}")
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assert not test2.is_field_initialized('b')
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try:
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# 启动并发任务:设置b的值和获取b的值
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print("启动并发任务:0.5秒后设置b=42,同时尝试获取b的值(超时10秒)")
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# 并发执行:设置b值(延迟0.5秒)和获取b值
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results = await asyncio.gather(
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setb(test2, 42, delay=0.5), # 0.5秒后设置b=42
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getb(test2), # 尝试获取b值(会等待直到被设置)
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return_exceptions=True
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)
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print(f"并发任务结果: {results}")
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print(f"设置后字段b初始化状态: {test2.is_field_initialized('b')}")
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# 再次访问b,应该能立即获取到值
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print("再次访问字段b(应该立即返回):")
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b_value = await test2.get_field_async('b')
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print(f"字段b的值: {b_value}")
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except Exception as e:
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print(f"测试2出现异常: {e}")
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# 启动并发任务:设置b的值和获取b的值
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# 并发执行:设置b值(延迟0.5秒)和获取b值
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await asyncio.gather(
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setb(test2, 42, delay=0.5), # 0.5秒后设置b=42
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return_exceptions=True
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)
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assert test2.b == 42
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assert test2.is_field_initialized('b')
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assert test2.b == 42
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print("\n=== 测试3:使用同步方式设置,异步方式获取 ===")
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test3 = Test()
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print("使用同步方式设置字段b = 100")
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test3.b = 100
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print(f"设置后字段b初始化状态: {test3.is_field_initialized('b')}")
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assert test3.is_field_initialized('b')
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assert test3.b == 100
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# 异步获取值
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b_sync_set_value = await test3.get_field_async('b')
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print(f"异步获取同步设置的值: {b_sync_set_value}")
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print("\n=== 测试4:测试字段c(短超时,应该仍然超时)===")
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print("\n=== 测试3:测试字段c(短超时,应该仍然超时)===")
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try:
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print("尝试单独访问字段c(2秒超时)...")
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c_value = await test.get_field_async('c')
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print(f"字段c的值: {c_value}")
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print(f"失败: {test.c}")
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except TimeoutError as timeout_e:
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print(f"字段c访问超时(预期): {timeout_e}")
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print(f"成功: {timeout_e}")
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def test_sync_access():
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"""测试同步访问(在非异步上下文中)"""
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@@ -118,15 +76,16 @@ def test_sync_access():
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# 测试已初始化字段的同步访问
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try:
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print(f"同步访问字段a: {test.a}")
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print(f"成功: a = {test.a}")
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except Exception as e:
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print(f"同步访问字段a失败: {e}")
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raise
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# 测试未初始化字段的同步访问(应该有更友好的错误提示)
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try:
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print(f"同步访问字段c: {test.c}")
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print(f"失败: c = {test.c}")
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raise RuntimeError("字段c此时不应该能够被访问")
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except Exception as e:
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print(f"同步访问字段c失败 (预期): {e}")
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print(f"成功: {e}")
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if __name__ == "__main__":
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# 测试同步访问
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