Re: Python #ifdef

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From	Grant Edwards <invalid@invalid.invalid>
Newsgroups	comp.lang.python
Subject	Re: Python #ifdef
Date	Tue, 28 May 2013 20:12:59 +0000 (UTC)
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On 2013-05-28, Carlos Nepomuceno <carlosnepomuceno@outlook.com> wrote:

> Thank you! I made it run like the following. What do you think about
> that? IS there a better way?
>
> #The following runs on Python 2.7
> sc3='''
> # Python 3
> def original(n):
> ??? m = 0
> ??? for b in n.to_bytes(6, 'big'):
> ??????? m = 256*m + b
> ??? return m
> '''
> if sys.version_info[0] == 3:
> ??? exec(sc3) 		 	   		  

You're trying to make this a lot harder than it really is:

if sys.version_info[0] == 3:
    def original(n):
        m = 0
        for b in n.to_bytes(6, 'big'):
            m = 256*m + b
        return m
else:
    def original(n):
        <something else?>
        

-- 
Grant Edwards               grant.b.edwards        Yow! Am I having fun yet?
                                  at               
                              gmail.com

Thread

Re: Python #ifdef Joel Goldstick <joel.goldstick@gmail.com> - 2013-05-28 15:49 -0400
  Re: Python #ifdef Neil Cerutti <neilc@norwich.edu> - 2013-05-28 20:00 +0000
    RE: Python #ifdef Carlos Nepomuceno <carlosnepomuceno@outlook.com> - 2013-05-28 23:07 +0300
      Re: Python #ifdef Grant Edwards <invalid@invalid.invalid> - 2013-05-28 20:12 +0000
        RE: Python #ifdef Carlos Nepomuceno <carlosnepomuceno@outlook.com> - 2013-05-28 23:22 +0300
          Re: Python #ifdef Grant Edwards <invalid@invalid.invalid> - 2013-05-28 20:42 +0000
            RE: Python #ifdef Carlos Nepomuceno <carlosnepomuceno@outlook.com> - 2013-05-28 23:54 +0300
              Re: Python #ifdef Grant Edwards <invalid@invalid.invalid> - 2013-05-29 14:45 +0000
        RE: Python #ifdef Fábio Santos <fabiosantosart@gmail.com> - 2013-05-28 21:34 +0100
        RE: Python #ifdef Carlos Nepomuceno <carlosnepomuceno@outlook.com> - 2013-05-28 23:48 +0300
        RE: Python #ifdef Fábio Santos <fabiosantosart@gmail.com> - 2013-05-28 23:51 +0100
    RE: Python #ifdef Benjamin Kaplan <benjamin.kaplan@case.edu> - 2013-05-28 13:14 -0700

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