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Brandon Rozek 2021-03-15 18:16:16 -04:00
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---
title: "Detect Python Version"
date: 2021-03-15T18:09:38-04:00
draft: false
tags: []
---
I was working on a distribution recently where `python` was mapped to `python2`. It mixed me up for a bit since I was writing a script for `python3` but it ran partially under `python2`. To lower confusion in the future, I think it's a great idea to check the python version and exit if it isn't the version you expect.
```python
from sys import version_info, exit
if version_info.major != 3:
print("This script only supports Python 3")
print("Curent version: " + \
str(version_info.major) + "." + \
str(version_info.minor) + "." + \
str(version_info.micro)
)
print("Exiting...")
exit(1)
```