src/environment_variable_checker.py

import os
from fastapi import HTTPException, status

class EnvironmentVariableChecker:

    def validate_environment_variables(self): 

        variables = ['AUTHENTICATION_TOKEN', 'HUGGINGFACE_TOKEN', 'HUGGINGFACE_ORGANIZATION']

        for variable in variables:
            if os.getenv(variable) is None:
                raise HTTPException(
                    status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
                    detail=f"Environment variable {variable} not set, please set the {variable} environment variable",
                )

    def get_authentication_token(self):
        return os.getenv('AUTHENTICATION_TOKEN')
    
    def get_huggingface_token(self): 
        return os.getenv('HUGGINGFACE_TOKEN'); 
                         
    def get_huggingface_organization(self):
        return os.getenv('HUGGINGFACE_ORGANIZATION');