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python_cheatsheet.md

Python Cheatsheet

N. P. O'Donnell, 2020

Virtual Environments

Create venv:

virtualenv -p python venv

Start it:

source venv/bin/activate

To quit venv:

deactivate

Destroy it:

rm -fr ./venv

Find out if you're currently in a venv:

python -c 'import sys; print(sys.prefix != sys.base_prefix)'

Pip

Install from requirements.txt file:

pip install -r ./requirements.txt

Tox

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