Here’s a feature guide for , structured as a practical feature you might implement or document for a system administration tool, script, or internal knowledge base. Feature: Smart Python Upgrader for Linux Feature Overview Provide a command-line utility that safely upgrades Python to a specified version on Linux systems, handling multiple installation methods, preserving dependencies, and offering fallback mechanisms. Key Capabilities | Feature | Description | |---------|-------------| | Version Detection | Detects current Python version(s) installed (system & user) | | Multiple Installation Methods | Supports apt , yum , dnf , source compilation , and pyenv | | Dependency Backup | Backs up pip packages before upgrade | | Conflict Resolution | Prevents breaking system tools that rely on system Python (e.g., on Ubuntu, apt depends on Python 3) | | Parallel Version Support | Installs new version alongside old (no overwrite) using update-alternatives | | Rollback | Restore previous version and packages if upgrade fails | | Verification | Runs smoke tests (pip, venv, basic imports) after upgrade | Usage Example python-upgrader --target 3.11.5 --method auto Output: