def handle_exception(e): code = 500 if isinstance(e, Exception) else e.code return jsonify(error=str(e)), code @app.route("/api/risky") def risky_api(): try: # ... except SomeError as se: raise ApiException(se.message, status_code=400)4.4.2 数据库操作的异常处理策略 与数据库交...
import asyncio loop = asyncio.new_event_loop() asyncio.set_event_loop(loop) future = loop.create_future() handle = loop.call_later(1, lambda: future.set_result("Hello, world!")) result = loop.run_until_complete(future) print(result) loop.close() future本质上只是一个很简单的类,它的se...
msg['To']=self.to_addrwithsmtplib.SMTP(self.mailhost)asserver:server.sendmail(self.from_addr,[self.to_addr],msg.as_string())# 配置邮件处理程序 mail_handler=EmailHandler(mailhost='smtp.example.com',from_addr='sender@example.com',to_addr='recipient@example.com',subject='Error in the appl...
安全专家已经确定 Python 是一种用于开发信息安全工具包的语言,例如 w3af。模块化设计、易读的代码和完全开发的库套件使 Python 适合安全研究人员和专家编写脚本并构建安全测试工具。 基于Python 的工具包括各种类型的模糊测试工具、代理甚至偶尔的漏洞利用。Python 是当前几种开源渗透测试工具的主要语言,从用于内存分析的 ...
from multiprocessing import Pipe, Process def son_process(pipe): _out_pipe, _in_pipe = pipe # 关闭fork过来的输入端 _in_pipe.close() while True: try: msg = _out_pipe.recv() print('子进程通过管道获得消息:%s' % msg) except Exception as e: print('子进程中捕获到异常:%s' % e) # ...
fromconcurrent.futuresimportThreadPoolExecutor,FutureimporttracebackclassExceptionHandler:@staticmethoddefhandle_exception(e):print(f"Exception in thread:{e}")traceback.print_exc()classTaskWrapper:def__init__(self,func,args,kwargs):self.func=func ...
self.executor_pool.submit(self.handle_client, client) ThreadPoolExecutor的submit() 方法的第一个参数是要在线程内执行的方法的名称,第二个参数是要传递给执行方法的参数。 这样做非常简单,而且给我们带来了很多好处,比如: 充分利用底层基础设施提供的资源 处理多个请求的能力 增加了可扩展性,减少了客户端的...
() - startTime, 2) # ➍print('Lap #%s: %s (%s)' % (lapNum, totalTime, lapTime), end='') # ➎lapNum += 1lastTime = time.time() # reset the last lap timeexcept KeyboardInterrupt: # ➏# Handle the Ctrl-C exception to keep its error message from displaying.print('\n...
flush() except RecursionError: raise except Exception: self.handleError(record) def flush(self): self.acquire() try: if self.stream and hasattr(self.stream, "flush"): self.stream.flush() finally: self.release() StreamHandler默认的 stream是sys.stderr。只要我们在 basicConfig中给到的 stream...
client_socket, addr = server.accept() print(f"Accepted connection from {addr[0]}:{addr[1]}") # start a new thread to handle the client thread = threading.Thread(target=handle_client, args=(client_socket, addr,)) thread.start()except Exception as e: print(f"Error: {e...