spawn

When using multiprocessing and spawn in python, use self.a in __getattr__ cause infinite loop Question: The following code will recurrent the bug: from multiprocessing import Process, set_start_method class TestObject: def __init__(self) -> None: self.a = lambda *args: {} def __getattr__(self, item): return self.a class TestProcess(Process): def __init__(self, textobject, **kwargs): super(TestProcess, self).__init__(**kwargs) self.testobject = textobject def …

multiprocessing fork() vs spawn() Question: I was reading the description of the two from the python doc: spawn The parent process starts a fresh python interpreter process. The child process will only inherit those resources necessary to run the process objects run() method. In particular, unnecessary file descriptors and handles from the parent process will …

How to spawn a new independent process in Python Question: I have a some Python code that occasionally needs to span a new process to run a shell script in a “fire and forget” manner, i.e. without blocking. The shell script will not communicate with the original Python code and will in fact probably terminate …