diff --git a/bcfg2/plugins/Python.py b/bcfg2/plugins/Python.py
index 0ffa2cde..a4ea4553 100644
--- a/bcfg2/plugins/Python.py
+++ b/bcfg2/plugins/Python.py
@@ -144,14 +144,15 @@ class Python(Bcfg2.Server.Plugin.Plugin):
         except Exception, e:
             log_traceback(fname, 'exec', e)
 	    raise Bcfg2.Server.Plugin.PluginExecutionError
-	if env["info"]['encoding'] == 'base64':
+	info = env["info"]
+	if info.get('encoding', 'base64') == 'base64':
 	    text = binascii.b2a_base64(text)
 	entry.text = text
 	debug(entry.text)
-        entry.attrib['owner'] = env["info"]['owner']
-        entry.attrib['group'] = env["info"]['group']
-        entry.attrib['perms'] = oct(env["info"]['perms'])
-        entry.attrib['encoding'] = env["info"]['encoding']
+        entry.attrib['owner'] = info.get('owner', 'root')
+        entry.attrib['group'] = info.get('group', 'root')
+        entry.attrib['perms'] = oct(info.get('perms', 0644))
+        entry.attrib['encoding'] = info.get('encoding', 'base64')
 
     def HandleEvent(self, event):
         '''Traitement des événements de FAM'''