config.py 文件源码

def get_settings():
    """
    Returns a settings object or module that supplies runtime configuration
    via the typical "settings.UPPER_CASE_PARAM" style. The default is to
    simply return the settings.py module, but allowing injection may allow
    greater integration flexibility in some environments.

    :return: a settings object or module
    """
    with _settings_lock:
        global _settings
        if not _settings:
            import settings
            _settings = settings
        return _settings