Implemented backward compatibility for slaproxy older them 1.0.1

slapos/slap/slap.py

@@ -42,6 +42,7 @@ import socket
 import ssl
 import urllib
 import urlparse
+from util import xml2dict
 
 from xml.sax import saxutils
 import zope.interface
@@ -520,8 +521,13 @@ class ComputerPartition(SlapRequester):
     return getattr(self, '_parameter_dict', None) or {}
 
   def getConnectionParameterDict(self):
-    return getattr(self, '_connection_dict', None) or {}
+    connection_dict = getattr(self, '_connection_dict', None)
+    if connection_dict is None:
+      # XXX Backward compatibility for older slapproxy (<= 1.0.0)
+      connection_dict = xml2dict(getattr(self, 'connection_xml', '')) 
 
+    return connection_dict or {}
+      
   def getSoftwareRelease(self):
     """
     Returns the software release associate to the computer partition.
@@ -548,7 +554,7 @@ class ComputerPartition(SlapRequester):
       raise NotFoundError("%s not found" % key)
 
   def getConnectionParameter(self, key):
-    connection_dict = getattr(self, '_connection_dict', None) or {}
+    connection_dict = self.getConnectionParameterDict()
     if key in connection_dict:
       return connection_dict[key]
     else:

slapos/slap/util.py

+from lxml import etree
+
+def xml2dict(xml):
+  result_dict = {}
+  if xml is not None and xml != '':
+    tree = etree.fromstring(xml.encode('utf-8'))
+    for element in tree.iter(tag=etree.Element):
+      if element.tag == 'parameter':
+        key = element.get('id')
+        value = result_dict.get(key, None)
+        if value is not None:
+          value = value + ' ' + element.text
+        else:
+          value = element.text
+        result_dict[key] = value
+  return result_dict