try to fix strange issue with upload

jm2l/upload.py

@@ -100,44 +100,48 @@ class MediaPath():
                 slug = Place.by_id(linked_id).slug
             if media_table=='salle':
                 slug = SallePhy.by_id(linked_id).slug
-            p = IMAGEPATH + [ media_table ] + [ slug ]
+            p = IMAGEPATH + [ media_table, slug ]
         elif media_table=='presse':
             # Use Year in linked_id
-            p = IMAGEPATH + [ media_table ] + [ linked_id ]
+            p = IMAGEPATH + [ media_table, linked_id ]
         elif media_table=='tasks':
             # Use Current Year
-            p = IMAGEPATH + [ str(CurrentYear), media_table ] + [ linked_id ]
+            p = IMAGEPATH + [ str(CurrentYear), media_table, linked_id ]
         elif media_table=='poles':
             # Use Current Year
-            p = IMAGEPATH + [ str(CurrentYear), media_table ] + [ linked_id ]
+            p = IMAGEPATH + [ str(CurrentYear), media_table, linked_id ]
         elif media_table in ['RIB', 'Justif']:
             slug = User.by_id(linked_id).slug
-            p = IMAGEPATH + ['users'] + [ slug ] + [ self.media_table ]
+            p = IMAGEPATH + ['users', slug , media_table ]
         elif media_table=='users':
             user = User.by_id(linked_id)
             if not user:
                 raise HTTPNotFound()
             else:
                 slug = user.slug
-            p = IMAGEPATH + ['users'] + [ slug ]
+            p = IMAGEPATH + ['users', slug ]
         elif media_table=='badge':
             user = User.by_id(linked_id)
             if not user:
                 raise HTTPNotFound()
             else:
                 slug = user.slug
-            p = IMAGEPATH + ['badge'] + [ slug ]
+            p = IMAGEPATH + ['badge', slug ]
         elif media_table=='event':
             ev = Event.by_id(linked_id)
             slug = ev.slug
             year = ev.for_year
-            p = IMAGEPATH + ['event'] + [ str(year) ] + [ slug ]
+            p = IMAGEPATH + ['event', str(year), slug ]
 
         if name:
             p += [ name ]
         TargetPath = os.path.join('jm2l/upload', *p)
         if not os.path.isdir(os.path.dirname(TargetPath)):
-            os.makedirs(os.path.dirname(TargetPath))
+            try:
+                os.makedirs(os.path.dirname(TargetPath))
+            except OSError, e:
+                if e.errno != 17:
+                    raise e
         return os.path.join('jm2l/upload', *p) 
 
     def ExtMimeIcon(self, mime):