To work around this, you can pass the exception info as value and deal with it later in the main thread. import unittest2 import sys import eventlet def broken_fetch(url): print " Raising exception " try: raise RuntimeError except: return sys.exc_info() class TestPool...
File "/usr/lib/python3.6/threading.py", line 916, in _bootstrap_inner self.run() File "/usr/lib/python3.6/threading.py", line 864, in run self._target(*self._args, **self._kwargs) File "/usercode/file.py", line 8, in thread_text raise Exception(u'error') Exception: error 1...
# 抛出异常使用函数:raise,assert两种 # raise [Exception [, args [, traceback]]],语句中 Exception 是异常的类型(例如,NameError)参数标准异常中任一种,args 是自已提供的异常参数。 # 最后一个参数traceback是可选的(在实践中很少使用),如果存在,是跟踪异常对象。 # def seventh(x): # assert x != ...
thread_obj.join(0.1)ifthread_obj.isAlive():continueelse:breakif__name__ =='__main__':importsysimportthreadingimportQueueclassExcThread(threading.Thread):def__init__(self, bucket):super(ExcThread, self).__init__() self.bucket = bucketdefrun(self):try:raiseException('An error occured her...
ifhasattr(self,"_thread_id"):returnself._thread_id#no, look for it in the _active dictfortid, tobjinthreading._active.items():iftobjisself: self._thread_id=tidreturntidraiseAssertionError("could not determine the thread's id")defraise_exc(self, exctype):"""raises the given exception ...
class InputError(Exception): '''当输出有误时,抛出此异常''' #自定义异常类型的初始化 def __init__(self, value): self.value = value # 返回异常类对象的说明信息 def __str__(self): return ("{} is invalid input".format(repr(self.value))) try: raise InputError(1) # 抛出 MyInputErro...
for thread in threads: thread.join() if __name__ == "__main__": image_urls = ["url1", "url2", "url3", ...] # 替换为实际图片的URL downloader = ImageDownloader(image_urls) downloader.start_threads() 这个例子中,我们创建了一个ImageDownloader类,其中包含了一个worker方法,用于下载图片...
Exception in thred django-main-thread: [closed] Ask Question Asked 4 years, 10 months ago Modified 4 years, 10 months ago Viewed 1k times Report this ad 0 Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, ...
threading.Thread.__init__(self) self.name = name def run(self): for i in range(5): print(f"{self.name}: {i}") time.sleep(1) # 创建线程 thread1 = MyThread(name='Thread 1') thread2 = MyThread(name='Thread 2') # 启动线程 ...
old_raise = logging.raiseExceptionsold_stderr = sys.stderrtry: h.handle(r) self.assertIs(h.error_record, r) h = logging.StreamHandler(BadStream()) sys.stderr = sio = io.StringIO() h.handle(r) self.assertIn('\nRuntimeError: deliberate mistake\n', ...