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I have been trying to code a python script which reads data from a serial port. It worked well from the command line but I need it to run as a background process without any command line interface. The script has a while loop which reads the next byte of data from a serial port and simulates a key press accordingly. For the keypresses to be focused on the current window, instead of python command line, I need the script to run as a background process. I have read few answers here but nothing rang a bell for me. Please point me in the right direction.
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You can run multiple instances of a python script from a shell however from within a python program without the use of multithreading/multiprocessing the GIL limitation will impact what you are trying to do.
If you want to run any Python script in Background in Windows operating System then all you are required to do is to rename the extension of your existing Python script that you want to run in background to '. pyw'.
It will directly put the output in the file you have selected.
On Windows, you can run a Python script in the background using the pythonw.exe executable, which will run your program with no visible process or way to interact with it. You also cannot terminate it without a system monitor. More information on pythonw.exe can be found in the answers to the question: pythonw.exe or python.exe?
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