18.24.6 ProtocolError Objects

A ProtocolError object describes a protocol error in the underlying transport layer (such as a 404 `not found' error if the server named by the URI does not exist). It has the following members:

url

The URI or URL that triggered the error.

errcode

The error code.

errmsg

The error message or diagnostic string.

headers

A string containing the headers of the HTTP/HTTPS request that triggered the error.