Python - environment storage

In

Dotenv storage

Install

Setup

  • create a .env file
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    # a comment that will be ignored.
    REDIS_ADDRESS=localhost:6379
    MEANING_OF_LIFE=42
    MULTILINE_VAR="hello\nworld"
    # you may prefix each line with the word export
    # which is totally ignored by this library
    CONFIG_PATH=${HOME}/.config/foo
    DOMAIN=example.org
    EMAIL=admin@${DOMAIN}
    DEBUG=${DEBUG:-false}
  • Load environment variables from a file named .env in the current directory or any of its parents or from the path specificied
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    load_dotenv()
    # after this any call from os.getenv will get them

Usage example

  • Add to settings.py

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    # settings.py
    from dotenv import load_dotenv
    load_dotenv()

    # OR, the same with increased verbosity
    load_dotenv(verbose=True)

    # OR, explicitly providing path to '.env'
    from pathlib import Path  # Python 3.6+ only
    env_path = Path('.') / '.env'
    load_dotenv(dotenv_path=env_path)

  • After load, you may call the environment variables using getenv

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    # settings.py
    import os
    SECRET_KEY = os.getenv("EMAIL")
    DATABASE_PASSWORD = os.getenv("DATABASE_PASSWORD")