How can I recover the return value of a function passed to multiprocessing.Process?
Use shared variable to communicate. For example like this:
python-multiprocessing
Python multiprocessing.Pool: AttributeError
Error 1: AttributeError: Can’t pickle local object ‘SomeClass.some_method..single’ You solved this error yourself by moving the nested target-function single() out to the top-level. Background: Pool needs to pickle (serialize) everything it sends to its worker-processes (IPC). Pickling actually only saves the name of a function and unpickling requires re-importing the function by name. For that … Read more