Python

I had lots of issues with pending, orphaned Python stuff recently.  See this section and this section to read about it.

After a lot of patience, I had a clean Windows 10 environment related to Python.

I then downloaded version 3.14.5 and installed it with the following options set:

• Custom installation

• Install with admin rights

• Install PyLauncher

• Install for all users

• Adapt installation path variable

• Precompile standard library

• Download debug info for the standard library

Being curious - and honestly, also a bit anxious - I was waiting for a successful installation.  And luckily, it was.

The first thing I did, was opening a random DOS command window in a random directory and run the command python --version.

If that works, it means the PATH variable contains the location of the Python executable and I can start Python from everywhere on my computer.

And indeed, the result was:

C:\Users\Geert>python --version

Python 3.14.5

Neat, huh???

Since I also wrote an auto-com-port-reconnect application (see this section), I tested out this application.  But to get it correctly working, I knew I still had to install the Python module pyserial, since the app was using serial communication functionality.

So, I ran the command pip install serial and after that was done my serial communication application worked fine!

I then tried to create an executable from my Python script.  You therefor need pyinstaller, so I ran the command pip install pyinstaller.

This installation needed a bit more side components to get stuff right, so it took a bit longer.  But in the end, this was installed correctly too.

To create an executable, run the command pyinstaller --onelevel --windowed <Python_Script>.  An example is given in this section.

If you create a GUI application, add the command --windowed, since that one prevents a console window from appearing.

If you create just a command line executable, then --windowed must not be given. 
So, then the command is pyinstaller --onelevel <Python_script>.