mustel 0.1.0

Simple Python environment inspector - see what's installed across all your Python versions

mustel 🦦

A simple Python environment inspector. See what's installed across all your Python versions.

Why?

Ever had this happen?

pip install numpy
import numpy  # ❌ ModuleNotFoundError

That's because you have multiple Python versions, and pip installed it in a different one!

mustel helps you see exactly what's installed where.

Install

pip install mustel

Usage

mustel           # Show packages in current Python
mustel all       # Show all Python installations
mustel diff      # Compare packages across Pythons
mustel check X   # Check if package X exists
mustel updates   # Show outdated packages
mustel help      # Show help

Examples

See all your Pythons

> mustel all

🦦 mustel — all pythons

Found 3 Python(s):

------------------------------------------------------------
★ Python 3.13.7 (current)
  Path: C:\Users\...\Python313\python.exe
  Packages: 151

  Python 3.14.0 
  Path: C:\Users\...\Python314\python.exe
  Packages: 8
------------------------------------------------------------

Use with a specific Python

C:\Python314\python.exe -m mustel

Why "mustel"?

Named after the Mustelidae family (otters, weasels, ferrets) - small but effective hunters that find things in hidden places! 🦦

License

Proprietary - All Rights Reserved.
Copyright © 2025 Ameya Kulkarni, Raunak Nayak

See LICENSE for details.