.python Version ⇒ [ Best ]

The file .python-version is a configuration file primarily used by version managers like pyenv to automatically switch between different Python environments based on the directory you are in.

Docker: Hardcodes the version in the FROM instruction of a Dockerfile. .python version

Modern software projects often depend on specific versions of the Python interpreter. A mismatch between local development and production environments can lead to "works on my machine" errors. The .python-version file serves as a manifest that enforces a specific version requirement within a project's root directory. 2. Implementation and Tooling The file

Listing Available Versions

To see which versions you can use:

If you use pyenv, you can set a local version for your current directory with a single command: pyenv local 3.11.5 Use code with caution. Best Practices for Python Versioning

PYENV_VERSION=3.9.18 python scripts/legacy_script.py

Best Practices for Python Versioning