[Yt-svn] yt-commit r1355 - trunk/yt/lagos

[britton at wrangler.dreamhost.com]

Author: britton
Date: Mon Jun 29 17:05:21 2009
New Revision: 1355
URL: http://yt.spacepope.org/changeset/1355

Log:
Fixed bug related to checking for existence of a subgroup inside 
a group that also doesn't exist.


Modified:
   trunk/yt/lagos/HierarchyType.py

Modified: trunk/yt/lagos/HierarchyType.py
==============================================================================
--- trunk/yt/lagos/HierarchyType.py	(original)
+++ trunk/yt/lagos/HierarchyType.py	Mon Jun 29 17:05:21 2009
@@ -204,10 +204,18 @@
         if self._data_file == None:
             return None
         if node[0] != "/": node = "/%s" % node
-        full_name = "%s/%s" % (node, name)
-        if full_name not in self._data_file:
+
+        myGroup = self._data_file['/']
+        for group in node.split('/'):
+            if group:
+                if group not in myGroup.listnames():
+                    return None
+                myGroup = myGroup[group]
+        if name not in myGroup.listnames():
             return None
-        return self._data_file["%s/%s" % (node, name)]
+
+        full_name = "%s/%s" % (node, name)
+        return self._data_file[full_name]
 
     def _close_data_file(self):
         if self._data_file: