Module slack_sdk.proxy_env_variable_loader

Internal module for loading proxy-related env variables

Functions

def load_http_proxy_from_env(logger: logging.Logger = <Logger slack_sdk.proxy_env_variable_loader (WARNING)>) ‑> str | None

Expand source code

def load_http_proxy_from_env(logger: logging.Logger = _default_logger) -> Optional[str]:
    proxy_url = (
        os.environ.get("HTTPS_PROXY")
        or os.environ.get("https_proxy")
        or os.environ.get("HTTP_PROXY")
        or os.environ.get("http_proxy")
    )
    if proxy_url is None:
        return None
    if len(proxy_url.strip()) == 0:
        # If the value is an empty string, the intention should be unsetting it
        logger.debug("The Slack SDK ignored the proxy env variable as an empty value is set.")
        return None

    logger.debug(f"HTTP proxy URL has been loaded from an env variable: {proxy_url}")
    return proxy_url