__init__.py 文件源码

def _map_exception(e):
    """Maps an exception from urlib3 to httplib2."""
    if isinstance(e, urllib3.exceptions.MaxRetryError):
        if not e.reason:
            return e
        e = e.reason
    message = e.args[0] if e.args else ''
    if isinstance(e, urllib3.exceptions.ResponseError):
        if 'too many redirects' in message:
            return httplib2.RedirectLimit(message)
    if isinstance(e, urllib3.exceptions.NewConnectionError):
        if ('Name or service not known' in message or
                'nodename nor servname provided, or not known' in message):
            return httplib2.ServerNotFoundError(
                'Unable to find hostname.')
        if 'Connection refused' in message:
            return socket.error((errno.ECONNREFUSED, 'Connection refused'))
    if isinstance(e, urllib3.exceptions.DecodeError):
        return httplib2.FailedToDecompressContent(
            'Content purported as compressed but not uncompressable.',
            httplib2.Response({'status': 500}), '')
    if isinstance(e, urllib3.exceptions.TimeoutError):
        return socket.timeout('timed out')
    if isinstance(e, urllib3.exceptions.SSLError):
        return ssl.SSLError(*e.args)

    return e