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Validate presence and format of environment variables.

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Pyenv Validator

PyPI version

This package validates .env variables. You can configure validation rules by adding the appropriate comments to the .env.example file.

Installation

Install the package in the desired environment:

pip install pyenv-validator

Add the package to your requirements.txt file:

pyenv_validator~=0.2.0

In your pipeline, add:

from pyenv_validator import PyenvValidator
PyenvValidator.check()

Updating

Simply run:

pip install pyenv-validator --update

Configuring env variable

In your .env.example file, you can add comments to tell PyenvValidator how to validate the variable:

MY_REQUIRED_VAR=value #required
THIS_IS_AN_OPTIONAL_INT=123 #format=int
THIS_IS_A_REQUIRED_EMAIL=123 #required,format=email

Formats

  • str or string or String (accepts anything)
  • email (checks value against /[\w@] @[\w@] \.[\w@] /)
  • url (checks value against /https?:\/\/. /)
  • bool or boolean or Boolean (checks value against true or false, case sensitive)
  • uuid or UUID (checks value against /\A[\da-f]{32}\z/i or /\A[\da-f]{8}-([\da-f]{4}-){3}[\da-f]{12}\z/i)