Web Reference: I'm trying to make a non blocking subprocess call to run a slave.py script from my main.py program. I need to pass args from main.py to slave.py once when it (slave.py) is first started via subprocess. Mar 22, 2024 · In contrast to blocking subprocess calls, non-blocking subprocess calls allow the parent process to continue its execution while the child process is running. This can be useful when you want to perform other tasks concurrently or when you don’t want to wait for the child process to finish. Oct 29, 2025 · Exploring multiple methods in Python to execute external commands without halting the main script execution, focusing on subprocess and os modules.
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