2 files changed, 44 insertions, 5 deletions
diff --git a/src/engine/SCons/Util.py b/src/engine/SCons/Util.py
index e2399a8..998a01b 100644
--- a/src/engine/SCons/Util.py
+++ b/src/engine/SCons/Util.py
@@ -98,15 +98,39 @@ _altsep = os.altsep
 if _altsep is None and sys.platform == 'win32':
     # My ActivePython 2.0.1 doesn't set os.altsep!  What gives?
     _altsep = '/'
+if _altsep:
+    def rightmost_separator(path, sep, _altsep=_altsep):
+        rfind = string.rfind
+        return max(rfind(path, sep), rfind(path, _altsep))
+else:
+    rightmost_separator = string.rfind
+
+# First two from the Python Cookbook, just for completeness.
+# (Yeah, yeah, YAGNI...)
+def containsAny(str, set):
+    """Check whether sequence str contains ANY of the items in set."""
+    for c in set:
+        if c in str: return 1
+    return 0
+
+def containsAll(str, set):
+    """Check whether sequence str contains ALL of the items in set."""
+    for c in set:
+        if c not in str: return 0
+    return 1
+
+def containsOnly(str, set):
+    """Check whether sequence str contains ONLY items in set."""
+    for c in str:
+        if c not in set: return 0
+    return 1
 
 def splitext(path):
     "Same as os.path.splitext() but faster."
-    if _altsep:
-        sep = max(string.rfind(path, os.sep), string.rfind(path, _altsep))
-    else:
-        sep = string.rfind(path, os.sep)
+    sep = rightmost_separator(path, os.sep)
     dot = string.rfind(path, '.')
-    if dot > sep:
+    # An ext is only real if it has at least one non-digit char
+    if dot > sep and not containsOnly(path[dot:], "0123456789."):
         return path[:dot],path[dot:]
     else:
         return path,""
diff --git a/src/engine/SCons/UtilTests.py b/src/engine/SCons/UtilTests.py
index 713f522..1bce1af 100644
--- a/src/engine/SCons/UtilTests.py
+++ b/src/engine/SCons/UtilTests.py
@@ -1509,6 +1509,21 @@ class UtilTestCase(unittest.TestCase):
         r = adjustixes('dir/file', 'pre-', '-suf')
         assert r == os.path.join('dir', 'pre-file-suf'), r
 
+    def test_containsAny(self):
+        """Test the containsAny() function"""
+        assert containsAny('*.py', '*?[]')
+        assert not containsAny('file.txt', '*?[]')
+
+    def test_containsAll(self):
+        """Test the containsAll() function"""
+        assert containsAll('43221', '123')
+        assert not containsAll('134', '123')
+
+    def test_containsOnly(self):
+        """Test the containsOnly() function"""
+        assert containsOnly('.83', '0123456789.')
+        assert not containsOnly('43221', '123')
+
 if __name__ == "__main__":
     suite = unittest.makeSuite(UtilTestCase, 'test_')
     if not unittest.TextTestRunner().run(suite).wasSuccessful():