The most common way to read these variables is by using the python-dotenv library. pip install python-dotenv Use code with caution. Copied to clipboard Implementation in your code:

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# Ignore local environment overrides .env.python.local .env.local .env.*.local Use code with caution. Loading Specific Environment Files in Python

Add environment variables to both .env and .env.python.local files in the format KEY=VALUE . For example:

: Variables set directly in the operating system shell or container configuration take the highest priority.

load_dotenv('.env.python.local', override=True)

A .venv (or venv ) folder is a self-contained directory that houses a and specific library versions for one project.

Alex tested it. The laptop showed beautiful, detailed error pages. The work computer (which had no .env.python.local file) quietly used DEBUG=False as before.

New developers often confuse .env.python.local (config file) with venv (virtual environment folder). They are unrelated. The virtual environment folder is typically called .venv or venv , not .env.python.local .

For larger enterprise applications, pydantic-settings provides advanced validation, type casting, and structured management of environment variables. Install the required library modules: pip install pydantic-settings Use code with caution.

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