1 files changed, 46 insertions, 0 deletions
diff --git a/lib/kross/python/scripts/RestrictedPython/Limits.py b/lib/kross/python/scripts/RestrictedPython/Limits.py
new file mode 100644
index 00000000..3b782e65
--- /dev/null
+++ b/lib/kross/python/scripts/RestrictedPython/Limits.py
@@ -0,0 +1,46 @@
+##############################################################################
+#
+# Copyright (c) 2001 Zope Corporation and Contributors. All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.0 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE
+#
+##############################################################################
+
+__version__='$Revision: 1.5 $'[11:-2]
+
+limited_builtins = {}
+
+def limited_range(iFirst, *args):
+    # limited range function from Martijn Pieters
+    RANGELIMIT = 1000
+    if not len(args):
+        iStart, iEnd, iStep = 0, iFirst, 1
+    elif len(args) == 1:
+        iStart, iEnd, iStep = iFirst, args[0], 1
+    elif len(args) == 2:
+        iStart, iEnd, iStep = iFirst, args[0], args[1]
+    else:
+        raise AttributeError, 'range() requires 1-3 int arguments'
+    if iStep == 0: raise ValueError, 'zero step for range()'
+    iLen = int((iEnd - iStart) / iStep)
+    if iLen < 0: iLen = 0
+    if iLen >= RANGELIMIT: raise ValueError, 'range() too large'
+    return range(iStart, iEnd, iStep)
+limited_builtins['range'] = limited_range
+
+def limited_list(seq):
+    if isinstance(seq, str):
+        raise TypeError, 'cannot convert string to list'
+    return list(seq)
+limited_builtins['list'] = limited_list
+
+def limited_tuple(seq):
+    if isinstance(seq, str):
+        raise TypeError, 'cannot convert string to tuple'
+    return tuple(seq)
+limited_builtins['tuple'] = limited_tuple