defrun_isolated_task(interp_id): """在每个子解释器中运行独立任务""" interp = interpreters.create() code = f""" import time import random def heavy_computation(): # 模拟CPU密集型任务 result = 0 for i in range(10**6): result += i * i return result start = time.time() result = heavy_computation() execution_time = time.time() - start print(f"子解释器 {interp_id}: 计算结果 {{result}}, 耗时 {{execution_time:.3f}}秒") """ interp.exec(code) return interp
defadvanced_data_processing(data): """增强的模式匹配数据处理""" match data: # 嵌套模式匹配 case {"type": "user", "profile": {"name": str(name), "age": int(age)}} if age >= 18: print(f"成年用户: {name}") # 序列模式匹配 case ["calculate", "sum", *numbers] ifall(isinstance(n, (int, float)) for n in numbers): result = sum(numbers) print(f"求和结果: {result}") # 类实例模式匹配 case Point(x=0, y=0): print("原点") case Point(x=x, y=y) if x == y: print(f"对角线上的点: ({x}, {y})") case _: print("未匹配的数据结构")
classPoint: def__init__(self, x, y): self.x = x self.y = y def__match_args__(self): return ("x", "y")
defvalidate_user(data: dict) -> TypeIs[UserProfile]: """类型守卫函数,帮助类型检查器推断具体类型""" required_keys = {"username", "email", "age", "status"} return ( isinstance(data, dict) and all(key in data for key in required_keys) and isinstance(data.get("status"), str) and data["status"] in ["active", "inactive", "suspended"] )
defdemonstrate_improved_errors(): """展示改进的错误信息""" # 1. 更清晰的NameError defcalculate_total(): return price * quantity # 改进前:NameError: name 'price' is not defined # 改进后:NameError: name 'price' is not defined. Did you mean 'prices'? # 2. 更精确的AttributeError defaccess_property(): data = {"name": "test"} return data.nme # 改进前:AttributeError: 'dict' object has no attribute 'nme' # 改进后:AttributeError: 'dict' object has no attribute 'nme'. Did you mean 'name'? # 3. 更详细的TypeError deftype_safe_operation(): numbers = [1, 2, "3", 4] returnsum(x * 2for x in numbers) # 精确指向 "x * 2" 的类型错误 # 4. 更友好的SyntaxError defsyntax_example(): ifTrue print("missing colon") # 更清晰的位置指示和建议 print("=== 改进的错误信息 ===") print("这些改进让调试时间减少50%以上!")