Response class for Range Not Satisfiable responses (status code 416).
The request entity has a media type which the server or resource does not support.
References:
Response class for Locked (WebDAV) responses (status code 423).
The requested resource is locked.
References:
Response class for Upgrade Required responses (status code 426).
The client should switch to the protocol given in the Upgrade header field.
References:
Response class for Service Unavailable responses (status code 503).
The server cannot handle the request (because it is overloaded or down for maintenance).
References:
Response class for HTTP Version Not Supported responses (status code 505).
The server does not support the HTTP version used in the request.
References:
Response class for Insufficient Storage (WebDAV) responses (status code 507).
The server is unable to store the representation needed to complete the request.
References:
Response class for Loop Detected (WebDAV) responses (status code 508).
The server detected an infinite loop while processing the request.
References:
The writer adapter class
Base class of exceptions from OptionParser.