X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfa%2Futil%2Fxrn.py;h=0d5e6bf584c104625b112a58c0cb2bd9d493b145;hb=70c0126963dfa9599610cf45261ba380ddc84bfb;hp=71731d9e503f3bae295fefcdb9a641e8fb71bf73;hpb=0409ce2800654d094f31c70ec90e1eef889851a6;p=sfa.git

diff --git a/sfa/util/xrn.py b/sfa/util/xrn.py
index 71731d9e..0d5e6bf5 100644
--- a/sfa/util/xrn.py
+++ b/sfa/util/xrn.py
@@ -61,19 +61,17 @@ class Xrn:
     # self.path
     # provide either urn, or (hrn + type)
     def __init__ (self, xrn, type=None):
+        if not xrn: xrn = ""
         # user has specified xrn : guess if urn or hrn
-        if xrn is not None:
-            if xrn.startswith(Xrn.URN_PREFIX):
-                self.hrn=None
-                self.urn=xrn
-                self.urn_to_hrn()
-            else:
-                self.urn=None
-                self.hrn=xrn
-                self.type=type
-                self.hrn_to_urn()
+        if xrn.startswith(Xrn.URN_PREFIX):
+            self.hrn=None
+            self.urn=xrn
+            self.urn_to_hrn()
         else:
-            raise SfaAPIError,"Xrn.__init__"
+            self.urn=None
+            self.hrn=xrn
+            self.type=type
+            self.hrn_to_urn()
 # happens all the time ..
 #        if not type:
 #            sfa_logger().debug("type-less Xrn's are not safe")