python

Python Multiprocess Pool. How to exit the script when one of the worker process determines no more work needs to be done?

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mp.set_start_method('spawn') total_count = Counter(0) pool = mp.Pool(initializer=init, initargs=(total_count,), processes=num_proc) pool.map(part_crack_helper, product(seed_str, repeat=4)) pool.close() pool.join() So I have a pool of worker process that does some work. It just needs to find one solution. Therefore, when one of the worker processes finds the solution, I want to stop everything. One way I thought of was just … Read more

assigning class variable as default value to class method argument

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I would like to build a method inside a class with default values arguments taken from this class. In general I do filtering on some data. Inside my class I have a method where normally I pass vector of data. Sometimes I don’t have the vector and I take simulated data. Every time I do not pass a particular vector I would like to take simulated data by default. I thought it should be an easy construction where inside my method definition I say a=self.vector. But for some reason I have an error NameError: name 'self' is not defined. The simplified construction is: