Issue #1771: Remove cmp parameter from list.sort() and builtin.sorted().

1 files changed, 11 insertions, 1 deletions

diff --git a/Lib/pstats.py b/Lib/pstats.py
index 39f1b64..3e6e994 100644
--- a/Lib/pstats.py
+++ b/Lib/pstats.py
@@ -238,7 +238,7 @@ class Stats:
             stats_list.append((cc, nc, tt, ct) + func +
                               (func_std_string(func), func))
 
-        stats_list.sort(TupleComp(sort_tuple).compare)
+        stats_list.sort(key=CmpToKey(TupleComp(sort_tuple).compare))
 
         self.fcn_list = fcn_list = []
         for tuple in stats_list:
@@ -470,6 +470,16 @@ class TupleComp:
                 return direction
         return 0
 
+def CmpToKey(mycmp):
+    'Convert a cmp= function into a key= function'
+    class K(object):
+        def __init__(self, obj):
+            self.obj = obj
+        def __lt__(self, other):
+            return mycmp(self.obj, other.obj) == -1
+    return K
+
+
 #**************************************************************************
 # func_name is a triple (file:string, line:int, name:string)