[Chicago] List revolution
Joshua Herman
zitterbewegung at gmail.com
Sat Sep 10 18:43:19 CEST 2011
Massimo you are a gentleman and a scholar!
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http://www.google.com/profiles/zitterbewegung
On Sat, Sep 10, 2011 at 11:29 AM, Massimo Di Pierro
<mdipierro at cs.depaul.edu> wrote:
> I have a proposal to resolve the issue
> class List(list):
> """
>
>
> >>> a=List()
>
>
> >>> for i in range(100000): a.append(i)
>
>
> >>> print a.first
>
>
> 0
>
>
> >>> print a.second
>
>
> 1
>
>
> >>> print a.third
>
>
> 2
>
>
> >>> print a.twentieth
>
>
> 19
>
>
> >>> print a.twentysecond
>
>
> 21
>
>
> >>> print a.onehundredthirtyfifth
>
>
> 134
>
>
> >>> print a.onethousandfivehundredandthirtyeighth
>
>
> 1537
>
>
> """
> def __getattr__(self,name):
> import re
> if name.endswith('first'): name = name[:-5]+'one'
> elif name.endswith('second'): name = name[:-6]+'two'
> elif name.endswith('third'): name = name[:-5]+'three'
> elif name.endswith('fth'): name = name[:-3]+'ve'
> elif name.endswith('hth'): name = name[:-3]+'th'
> elif name.endswith('ieth'): name = name[:-4]+'y'
> elif name.endswith('th'): name = name[:-2]
> subs = {
> 'one':'+1',
> 'two':'+2',
> 'three':'+3',
> 'four':'+4',
> 'five':'+5',
> 'six':'+6',
> 'seven':'+7',
> 'eigth':'+8',
> 'nine':'+9',
> 'ten':'+10',
> 'eleven':'+11',
> 'twelve':'+12',
> 'thirteen':'+13',
> 'fourteen':'+14',
> 'fiftheen':'+15',
> 'sixteen':'+16',
> 'seventeen':'+17',
> 'eighteen':'+18',
> 'nineteen':'+19',
> 'ten':'+10',
> 'twenty':'+20',
> 'thirty':'+30',
> 'fourty':'+40',
> 'fifthy':'+50',
> 'sixtith':'+60',
> 'seventy':'+70',
> 'eighty':'+80',
> 'ninety':'+90',
> 'hundred':')*100+(',
> 'thousand':')*1000+(',
> 'million':')*1000000+(',
> 'billion':')*1000000000+(',
> 'trillion':')*100000000000+(',
> 'and',''}
> for key,value in subs.items(): name = name.replace(key,value)
> if '(' in name: name='('+name+')'
> name.replace('()','1')
> if not re.compile('[\d\+\*\(\)]+').match(name): return
> AttributeError
> try: return self[eval(name)-1]
> except: raise AttributeError
>
> On Sep 10, 2011, at 10:15 AM, Sal Lara wrote:
>
> I think it's super-overdue. I honestly can't even think of that many places
> in my code where I depend on the actual numerical index value of a list
> element. That in and of itself isn't very pythonic, right? However, were the
> first list element actually 1, many who answer yes to my question might feel
> differently.
>
> -Sal
>
> On Sat, Sep 10, 2011 at 10:03 AM, Tathagata Dasgupta <tathagatadg at gmail.com>
> wrote:
>>
>> What do guys think of list revolution?
>>
>> http://mail.python.org/pipermail/python-ideas/2011-September/011448.html
>>
>>
>> --
>> Cheers,
>> T
>> _______________________________________________
>> Chicago mailing list
>> Chicago at python.org
>> http://mail.python.org/mailman/listinfo/chicago
>
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