From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Fri, 10 Mar 2006 04:22:59 +0000 (+0000)
Subject: HistoryArrayList checks internal list as a list or dict to clear it
X-Git-Tag: rel_0_1_4~17
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=be4373c92d586ea60771f7e7b6e7d6535d812c55;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

HistoryArrayList checks internal list as a list or dict to clear it
---

diff --git a/lib/sqlalchemy/util.py b/lib/sqlalchemy/util.py
index d60166a0c1..2b522d5711 100644
--- a/lib/sqlalchemy/util.py
+++ b/lib/sqlalchemy/util.py
@@ -365,14 +365,19 @@ class HistoryArraySet(UserList.UserList):
         for key, status in self.records.iteritems():
             if status is False or status is None:
                 list.append(key)
-        self.data[:] = []
+        self._clear_data()
         self.records = {}
         for l in list:
             self.append_nohistory(l)
     def clear(self):
         """clears the list and removes all history."""
-        self.data[:] = []
+        self._clear_data()
         self.records = {}
+    def _clear_data(self):
+        if isinstance(self.data, dict):
+            self.data.clear()
+        else:
+            self.data[:] = []
     def added_items(self):
         """returns a list of items that have been added since the last "committed" state."""
         return [key for key in self.data if self.records[key] is True]