/usr/share/pyshared/RestrictedPython/Limits.py is in python-restrictedpython 3.6.0-0ubuntu4.
This file is owned by root:root, with mode 0o644.
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#
# Copyright (c) 2002 Zope Foundation and Contributors.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (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
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