fixed anydbm sorting with None values [SF#952853]

Author: Richard Jones

CHANGES.txt

@@ -7,6 +7,11 @@ Feature:
 - added support for HTTP charset selection
 
 
+2004-05-?? 0.7.2
+Fixed:
+- fixed anydbm sorting with None values (sf bug 952853)
+
+
 2004-05-10 0.7.1
 Fixed:
 - several temp files made it into the source distribution (sf bug 949243)

doc/index.txt

@@ -121,6 +121,7 @@ Jeffrey P Shell,
 Klamer Schutte,
 Joel Shprentz,
 Terrel Shumway,
+Alexander Smishlajev,
 Nathaniel Smith,
 Mike Thompson,
 Darryl VanDorp,

roundup/backends/back_anydbm.py

@@ -15,7 +15,7 @@
 # BASIS, AND THERE IS NO OBLIGATION WHATSOEVER TO PROVIDE MAINTENANCE,
 # SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
 # 
-#$Id: back_anydbm.py,v 1.146 2004-05-05 01:52:34 richard Exp $
+#$Id: back_anydbm.py,v 1.147 2004-05-12 22:27:17 richard Exp $
 '''This module defines a backend that saves the hyperdatabase in a
 database chosen by anydbm. It is guaranteed to always be available in python
 versions >2.1.1 (the dumbdbm fallback in 2.1.1 and earlier has several
@@ -1766,6 +1766,11 @@ def filter(self, search_matches, filterspec, sort=(None,None),
                             entry.insert(0, v)
                             continue
 
+                        # missing (None) values are always sorted first
+                        if v is None:
+                            entry.insert(0, v)
+                            continue
+
                         if isinstance(propclass, String):
                             # it might be a string that's really an integer
                             try: tv = int(v)