Python

Question

所以在过去的那些日子里，我一直在努力弄清楚如何开始使用线程，我终于让它开始工作了！我现在遇到的问题是我希望他们同时运行。我听说有不同的说法，例如 GIL 不起作用。有人说它适用于 multiprocessing 等。但是我转过这里看看是否可行，怎么说呢？

基本上我的代码现在看起来像这样：

带Thread的代码

def start(config):
    NameUrl = config["Url"]
    myNote = config["My-Note"]
    checkoutNames(Nameurl, MyNote)

if __name__ == '__main__':
    with open('config.json', 'r', encoding='UTF-8') as json_data:
        config = json.load(json_data)
    threads = []
    for i, e in enumerate(config):
        threads.append(threading.Thread(target=start, args=(config[i] or e)))

如您在 if __name__ == '__main__': 中所见，这就是线程所在的位置。然而，此时它所做的是它首先执行线程 1，当它完成后它转向线程 2 并继续这样，我希望将它变成 concurrently/simultaneously 如果可能的话？

编辑

代码

if __name__ == '__main__':
    with open('config.json', 'r', encoding='UTF-8') as json_data:
        config = json.load(json_data)
    jobs = []
    for i, e in enumerate(config):
        c = (config[i] or e)
        p = multiprocessing.Process(target=start, args=(c))
        jobs.append(p)
        p.start()

上面代码出现的错误：

[<Process(Process-1, initial)>]
<Process(Process-1, initial)>
{'Email': '123o@gmail.com', 'PersonNumber': '4234', 'ZipCode': '1241234', 'Name': 'Guess', 'LastName': 'TheyKnow'}
[<Process(Process-1, started)>, <Process(Process-2, initial)>]
<Process(Process-2, initial)>
{'Email': 'Hello@hotmail.com', 'PersonNumber': '1234', 'ZipCode': '56431', 'Name': 'Stack', 'LastName': 'Overflow'}
Process Process-1:
Traceback (most recent call last):
  File "C:\Users\AppData\Local\Programs\Python\Python36\lib\multiprocessing\process.py", line 249, in _bootstrap
    self.run()
  File "C:\Users\AppData\Local\Programs\Python\Python36\lib\multiprocessing\process.py", line 93, in run
    self._target(*self._args, **self._kwargs)
TypeError: start() takes 1 positional argument but 16 were given
Process Process-2:
Traceback (most recent call last):
  File "C:\Users\AppData\Local\Programs\Python\Python36\lib\multiprocessing\process.py", line 249, in _bootstrap
    self.run()
  File "C:\Users\AppData\Local\Programs\Python\Python36\lib\multiprocessing\process.py", line 93, in run
    self._target(*self._args, **self._kwargs)
TypeError: start() takes 1 positional argument but 16 were given

Answer 1

我认为您需要修复 args 参数：

...
jobs = []
for i, e in enumerate(config):
    c = (config[i] or e)
    p = multiprocessing.Process(target=start, args=(c,))
    jobs.append(p)
    p.start()

注意 args 参数中使用的语法：

args=(c,))  # <=== (c,) means that we are assigning the tuple (c,) to args
            # which gets translated into start(c)

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