XMLRPC
XMLRPC is a technical way to do a "Remote Procedure Call"... that is, call a function from one machine on another. XMLRPC is used, for instance, to create an interface with blog systems like WordPress from Python.
DokuWiki
Documentation: http://www.dokuwiki.org/devel:xmlrpc
import xmlrpclib
WIKIURL = "http://pzwart2.wdka.hro.nl/~somebody/doku/lib/exe/xmlrpc.php"
s = xmlrpclib.ServerProxy(XMLRPC)
s.wiki.getWikiPage("PageName")