Parse a user-supplied URL, accepting only http: and https: (a blank or malformed
value, or another scheme, is an OparlValidationError). Any user:password@
part is removed: OParl access is anonymous, and credentials in a URL would
otherwise be sent as Basic auth to whatever server the URL names and be echoed in
error messages.
Parse a user-supplied URL, accepting only http: and https: (a blank or malformed value, or another scheme, is an OparlValidationError). Any
user:password@part is removed: OParl access is anonymous, and credentials in a URL would otherwise be sent as Basic auth to whatever server the URL names and be echoed in error messages.