def confirm_environment_valid()

in files/validate_config.py [0:0]

• 5 lines of code
• 3 McCabe index (conditional complexity)

    def confirm_environment_valid(self):
        """
        The 'environment' config item is required to determine
        whether prod or dev URLs are used for installing packages.
        """
        if "environment" not in self.config:
            raise ValidationError
        if self.config["environment"] not in ("prod", "dev", "staging"):
            raise ValidationError(f"Invalid environment: {self.config['environment']}")