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python从子进程丢失全局列表内容_Python_List_Scope_Global - Fatal编程技术网
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python从子进程丢失全局列表内容

python list

python从子进程丢失全局列表内容,python,list,scope,global,Python,List,Scope,Global,我有一个在子进程中附加的全局列表。同时，调用子进程的函数正在列表中迭代。退出子进程时，全局列表为空，即使我附加了它 urlsToCheck = list() def crawler(): while limit != 0 and urlsToCheck.__len__() > 0: curUrl = urlsToCheck.pop(0) processLink(curUrl) limit -= 1 def processLink(

我有一个在子进程中附加的全局列表。同时，调用子进程的函数正在列表中迭代。退出子进程时，全局列表为空，即使我附加了它

urlsToCheck = list()

def crawler():
    while limit != 0 and urlsToCheck.__len__() > 0:
        curUrl = urlsToCheck.pop(0)
        processLink(curUrl)
        limit -= 1

def processLink(url):
    ...
    for i in validLinks:
        urlsToCheck.append(i)
    ...
除非明确使用共享数据结构，否则变量不会在进程之间共享

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