python.exe 的路径

Question

I created a script for hundreds of users. It includes this line:

os.execute("C:\\InstallPython\\python.exe "Path-to-current-folder-with-python-script")

This line is written in Lua language, but language doesn't matter.

User can install Python in any folder. It might be on Disc C or D. I don't know this.
How to create a universal version that suits all users? Maybe I can get the path to python.exe by a program?

Answer 1

Check out this: https://www.lua.org/pil/22.2.html

Usually path to python is in PYTHON_PATH environment variable.
So you can try this in your Lua script before running the python script:

os.getenv("PYTHON_PATH")

Once you print this variable, you can see that it indeed includes the path where python was installed, the only thing you might do, is to add a python.exe to this string, as it might point to a directory, not to the python executable.

In my case PYTHON_PATH value is: C:\Python27\ when using Python2.7

Answer 2

import sys

sys.executable

Above should return the path to the executable.
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