Python Cheatsheet¶

Windows Python Setup¶

# Type `python` in shell and install via Windows Store
pip install pipenv

# Add pipenv `Scripts` directory to Path environment variables


# Refresh env vars
RefreshEnv.cmd

Python Development Notes¶

pipenv¶

Installation¶

WSL¶

apt update && apt install pipenv

Importing requirements.txt¶

# Importing from a requirements.txt
pipenv install -r requirements.txt

Windows Setup¶

• Follow: https://realpython.com/intro-to-pyenv/#installing-pyenv

$ sudo apt-get install -y make build-essential libssl-dev zlib1g-dev \
libbz2-dev libreadline-dev libsqlite3-dev wget curl llvm libncurses5-dev \
libncursesw5-dev xz-utils tk-dev libffi-dev liblzma-dev python-openssl

curl https://pyenv.run | bash

Introduction¶

When starting a Python project, you don't want to use the system Python interpreter. You want to have a separate, isolated install for your project.

This is done using pyenv.

pipenv --python 3.9.7
pipenv install <dependencies>

git init .
git add . 
git commit -m "Initial commit."

Obsolete¶

References - https://packaging.python.org/guides/installing-using-pip-and-virtual-environments/

Windows Installation python -m pip install --upgrade pip python -m pip install --user virtualenv python -m venv env

Mac Installation python3 -m pip install --upgrade pip python3 -m pip install --user virtualenv python3 -m venv env

Usage .\env\Scripts\activateWindows Python Setup

References - https://packaging.python.org/guides/installing-using-pip-and-virtual-environments/

Installation python -m pip install --upgrade pip python -m pip install --user virtualenv python -m venv env

Usage .\env\Scripts\activate