Inspect object attributes

List public attributes of any Python object

python3 -c "import json; print([x for x in dir(json) if not x.startswith('_')])"

More python commands

Create virtual environment

python3 -m venv .venv && source .venv/bin/activate

Create and activate an isolated Python environment
Install from requirements

pip install -r requirements.txt --no-cache-dir

Install dependencies without using pip cache
Freeze installed packages

pip freeze > requirements.txt

Save exact versions of all installed packages
Show outdated packages

pip list --outdated --format=columns

List packages with newer versions available
Run module as script

python3 -m http.server 8080

Serve current directory over HTTP on port 8080