yet again resort to complex file name completer more often

IPython/Extensions/ipy_stock_completers.py

@@ -184,7 +184,7 b" ip.set_hook('complete_command', runlistpy, str_key = '%run')"
 
 def cd_completer(self, event):
     relpath = event.symbol
-    # print event # dbg
+    #print event # dbg
     if '-b' in event.line:
         # return only bookmark completions
         bkms = self.db.get('bookmarks',{})
@@ -198,20 +198,20 b' def cd_completer(self, event):'
             return ents
         return []
         
-    if sys.platform != 'win32':
-        protect = lambda n: n
-    else:
-        def protect(n):                    
-            return n.replace('\\' ,'/').replace(' ', '\\ ')
-        
     if relpath.startswith('~'):
         relpath = os.path.expanduser(relpath).replace('\\','/')
-    found =  [protect(f)+'/' for f in glob.glob(relpath+'*') if os.path.isdir(f)]
-    # print "f",found # dbg
+    found = []
+    for d in [f + '/' for f in glob.glob(relpath+'*') if os.path.isdir(f)]:	
+        if ' ' in d:
+            # we don't want to deal with any of that, complex code
+            # for this is elsewhere
+            raise IPython.ipapi.TryNext
+        found.append( d )
+
     if not found:
         if os.path.isdir(relpath):
             return [relpath]
-        raise IPython.ipapi.TryNext
+    	raise IPython.ipapi.TryNext
     return found
 
 ip.set_hook('complete_command', cd_completer, str_key = '%cd')