1 files changed, 24 insertions, 0 deletions
diff --git a/coverage/backward.py b/coverage/backward.py
new file mode 100644
index 00000000..506649d2
--- /dev/null
+++ b/coverage/backward.py
@@ -0,0 +1,24 @@
+"""Add things to old Pythons so I can pretend they are newer."""
+
+# pylint: disable-msg=W0622
+# (Redefining built-in blah)
+# The whole point of this file is to redefine built-ins, so shut up about it.
+
+
+# Python 2.3 doesn't have `set`
+try:
+    set = set       # new in 2.4
+except NameError:
+    # (Redefining built-in 'set')
+    from sets import Set as set
+
+
+# Python 2.3 doesn't have `sorted`.
+try:
+    sorted = sorted
+except NameError:
+    def sorted(iterable):
+        """A 2.3-compatible implementation of `sorted`."""
+        lst = list(iterable)
+        lst.sort()
+        return lst