Why doesn't virtualenv on Windows associate .py/.pyw/.pyo/.pyc files with virtualenv's version of Python executables?

Question

What is the reason virtualenv does not associate .py(w) files with virtualenv\'s version of Python executables? This seems like an ideal task for virtualenv on

Answer 1

The Python launcher supports custom commands. Create a py.ini file in $env:LOCALAPPDATA with a section like this:

[commands]
venvpython=C:\Path\To\Virtualenv\Scripts\python.exe

Now, you can use venvpython in the #! line of your script:

#!venvpython
import sys
print(sys.executable)