You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
47 lines
1.7 KiB
47 lines
1.7 KiB
##############################################################################
|
|
#
|
|
# 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
|