sfa-import was failing at set_issuer as se_issuer expets the subject as a string

[sfa.git] / sfa / util / namespace.py

diff --git a/sfa/util/namespace.py b/sfa/util/namespace.py
index 61b05b9..cc140d5 100644 (file)
--- a/sfa/util/namespace.py
+++ b/sfa/util/namespace.py
@@ -57,8 +57,9 @@ def urn_to_hrn(urn):
     """
 
     # if this is already a hrn dont do anything
-    if not urn.startswith(URN_PREFIX):
+    if not urn or not urn.startswith(URN_PREFIX):
         return urn, None
+
     name = urn[len(URN_PREFIX):]
     hrn_parts = name.split("+")
     
@@ -71,7 +72,7 @@ def urn_to_hrn(urn):
     # join list elements using '.'
     hrn = '.'.join([part.replace(':', '.') for part in hrn_parts if part]) 
    
-    return hrn, type 
+    return str(hrn), str(type) 
     
     
 def hrn_to_urn(hrn, type=None):
@@ -79,7 +80,7 @@ def hrn_to_urn(hrn, type=None):
     convert an hrn and type to a urn string
     """
     # if  this is already a urn dont do anything 
-    if hrn.startswith(URN_PREFIX):
+    if not hrn or hrn.startswith(URN_PREFIX):
         return hrn
 
     authority = get_authority(hrn)