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78 lines
2.3 KiB
78 lines
2.3 KiB
##############################################################################
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#
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# Copyright (c) 2001 Zope Corporation and Contributors. All Rights Reserved.
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#
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# This software is subject to the provisions of the Zope Public License,
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# Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution.
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# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
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# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
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# FOR A PARTICULAR PURPOSE
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#
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##############################################################################
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__version__='$Revision: 1.7 $'[11:-2]
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import string, math, random
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import DocumentTemplate.sequence
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utility_builtins = {}
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utility_builtins['string'] = string
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utility_builtins['math'] = math
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utility_builtins['random'] = random
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utility_builtins['whrandom'] = random
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utility_builtins['sequence'] = DocumentTemplate.sequence
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try:
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import DateTime
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utility_builtins['DateTime']= DateTime.DateTime
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except: pass
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def same_type(arg1, *args):
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'''Compares the class or type of two or more objects.'''
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t = getattr(arg1, '__class__', type(arg1))
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for arg in args:
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if getattr(arg, '__class__', type(arg)) is not t:
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return 0
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return 1
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utility_builtins['same_type'] = same_type
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def test(*args):
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l=len(args)
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for i in range(1, l, 2):
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if args[i-1]: return args[i]
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if l%2: return args[-1]
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utility_builtins['test'] = test
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def reorder(s, with=None, without=()):
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# s, with, and without are sequences treated as sets.
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# The result is subtract(intersect(s, with), without),
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# unless with is None, in which case it is subtract(s, without).
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if with is None: with=s
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d={}
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tt=type(())
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for i in s:
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if type(i) is tt and len(i)==2: k, v = i
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else: k= v = i
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d[k]=v
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r=[]
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a=r.append
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h=d.has_key
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for i in without:
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if type(i) is tt and len(i)==2: k, v = i
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else: k= v = i
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if h(k): del d[k]
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for i in with:
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if type(i) is tt and len(i)==2: k, v = i
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else: k= v = i
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if h(k):
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a((k,d[k]))
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del d[k]
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return r
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utility_builtins['reorder'] = reorder
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