[issue19946] Have multiprocessing raise ImportError when spawning a process that can't find the "main" module

[Antoine Pitrou]

Antoine Pitrou added the comment:

Let's reopen, shall we? If not for 3.4, at least for 3.5.

It's likely that multiprocessing needs a __main__ simply because it needs a way to replicate the parent process' state in the child (for example, the set of imported modules, the logging configuration, etc.). Perhaps Richard can elaborate.

But, AFAIU, the __main__ could be imported as a script rather than a "proper" module from sys.path.

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assignee: brett.cannon -> 
status: closed -> open

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<http://bugs.python.org/issue19946>
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