DALProtocolError

exception pyvo.dal.DALProtocolError(reason=None, cause=None, url=None)

a base exception indicating that a DAL service responded with an error. This can be either an HTTP protocol error or a response format error; both of these are handled by separate subclasses. This base class captures an underlying exception clause.

initialize with a string message and an optional HTTP response code

Parameters:

reasonstr

a message describing the cause of the error

codeint

the HTTP error code (as an integer)

causestr

an exception issued as the underlying cause. A value of None indicates that no underlying exception was caught.

urlstr

the query URL that produced the error