ElementTree in Python 2.5 and 2.6 didn't include a register_namespace…

… function. Including a try/catch for backward compatibility.
biopython · Feb 15, 2013 · fe2170e · fe2170e
1 parent c48e289
commit fe2170e
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/Bio/Phylo/NeXMLIO.py b/Bio/Phylo/NeXMLIO.py
@@ -33,7 +33,11 @@
 
 
 for prefix, uri in XML_NAMESPACES.items():
-    ET.register_namespace(prefix, uri)
+    try:
+        ET.register_namespace(prefix, uri)
+    except AttributeError:
+        # for portability with Python <= 2.6
+        ET._namespace_map[uri] = prefix
 
 
 def qUri(s):