move implementation independent constants to xmlext

and make the tests work (many of them).

pisi-cli

@@ -26,7 +26,7 @@ _ = __trans.ugettext
 def handle_exception(exception, value, tb):
 
     ui = pisi.cli.CLI() # make a temporary UI
-    show_traceback = False
+    show_traceback = True
     if exception == exceptions.KeyboardInterrupt:
         ui.error(_("Keyboard Interrupt: Exiting..."))
         sys.exit(1)

pisi/xml/xmlext.py

@@ -20,3 +20,8 @@ except:
     except:
         print 'xmlext: cDomlette/piksemel implementation cannot be loaded, falling back to minidom'
         from xmlextmdom import *
+
+
+from xml.dom import XHTML_NAMESPACE, XML_NAMESPACE
+XHTML_NS = unicode(XHTML_NAMESPACE)
+XML_NS = unicode(XML_NAMESPACE)

pisi/xml/xmlextcdom.py

@@ -35,10 +35,6 @@ import Ft
 from Ft.Xml.Domlette import implementation
 from Ft.Xml import ParsePath
 from Ft.Xml.Domlette import NonvalidatingReader
-from xml.dom import XHTML_NAMESPACE, XML_NAMESPACE
-
-XHTML_NS = unicode(XHTML_NAMESPACE)
-XML_NS = unicode(XML_NAMESPACE)
 
 import pisi