A helper for rt.bat, copied (but with path adjustment) from PCbuild.

PC/VC6/rmpyc.py

+# Remove all the .pyc and .pyo files under ../Lib.
+
+
+def deltree(root):
+    import os
+    from os.path import join
+
+    npyc = npyo = 0
+    for root, dirs, files in os.walk(root):
+        for name in files:
+            delete = False
+            if name.endswith('.pyc'):
+                delete = True
+                npyc += 1
+            elif name.endswith('.pyo'):
+                delete = True
+                npyo += 1
+
+            if delete:
+                os.remove(join(root, name))
+
+    return npyc, npyo
+
+npyc, npyo = deltree("../../Lib")
+print npyc, ".pyc deleted,", npyo, ".pyo deleted"