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I am new to Python programming. Can anybody provide an explanation on what a *.pyw file is and how it works.
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Right-click the file, click properties, under general it says "opens with:"... Click the "Change" button to the right of that, and then click more options. On that menu there should be an option called "pythonw" click that. Then on the bottom-right click "apply", then "OK".
pyw script doesn't create any GUI windows, killing the python process is the only way to stop execution. If you don't want to use the console to run your script (using the . py extension), just double-click on it.
python.exe is associated with . py files and run in python terminal. pythonw.exe is associated with . pyw files and does not run in terminal.
A PYW is a Python script file that is executed to display the graphical user interface (GUI) of a Python application. It is associated with Python by Python Software Foundation and are executed/run using PythonW instead of Python. When executed, the PYW launches a GUI instead of a DOS console from popping up for displaying the output.
, right-click on any PYW file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.pyw files". Update your software that should actually open scripts.
Python scripts (files with the extension .py) will be executed by python.exe by default. This executable opens a terminal, which stays open even if the program uses a GUI.
Python scripts (files with the extension .py) will be executed by python.exe by default. This executable opens a terminal, which stays open even if the program uses a GUI. If you do not want this to happen, use the extension .pyw which will cause the script to be executed by pythonw.exe by default (both executables are located in the top-level of your Python installation directory). This suppresses the terminal window on startup.
You can also make all .py scripts execute with pythonw.exe, setting this through the usual facilities, for example (might require administrative rights):
https://docs.python.org/2/using/windows.html
So in practice the only difference is that one leaves a console window hanging around and the other doesn't. The most obvious usage for *.pyw are GUI apps since an app with an independent GUI obviously does not need or want the console window around.
There are some subtle implementation differences between python.exe and pythonw.exe see https://stackoverflow.com/a/30313091/3703989
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