Improve code readability by removing some "continue"s.

Tiny inner loop optimisation on list append.
Remvoe unneeded (obvious) comments.


git-svn-id: https://svn.erp5.org/repos/neo/branches/prototype3@649 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/client/app.py

@@ -841,39 +841,28 @@ class Application(object):
         logging.info("UndoLog, tids %s", ordered_tids)
         # For each transaction, get info
         undo_info = []
+        append = undo_info.append
         for tid in ordered_tids:
             cell_list = self._getCellListForID(tid, readable=True)
             shuffle(cell_list)
             for cell in cell_list:
                 conn = self.cp.getConnForCell(cell)
-                if conn is None:
-                    continue
-
+                if conn is not None:
                     self.local_var.txn_info = 0
                     try:
                         self._askStorage(conn, protocol.askTransactionInformation(tid))
                     except NEOStorageConnectionFailure:
                         continue
-
-                if self.local_var.txn_info == -1:
-                    # TID not found, go on with next node
-                    continue
-                elif isinstance(self.local_var.txn_info, dict):
+                    if isinstance(self.local_var.txn_info, dict):
                         break
 
             if self.local_var.txn_info in (-1, 0):
                 # TID not found at all
                 continue
 
-            # Filter result if needed
-            if filter is not None:
-                # Filter method return True if match
-                if not filter(self.local_var.txn_info):
-                    continue
-
-            # Append to returned list
+            if filter is None or filter(self.local_var.txn_info):
                 self.local_var.txn_info.pop("oids")
-            undo_info.append(self.local_var.txn_info)
+                append(self.local_var.txn_info)
                 if len(undo_info) >= last - first:
                     break
         # Check we return at least one element, otherwise call