Why is python not written in C++ ?

Benjamin Kaplan benjamin.kaplan at case.edu
Tue Aug 3 20:16:25 CEST 2010


On Tue, Aug 3, 2010 at 10:44 AM, John Nagle <nagle at animats.com> wrote:

> On 8/1/2010 5:36 PM, Roy Smith wrote:
>
>> In article<4c55fe82$0$9111$426a34cc at news.free.fr>,
>>  candide<candide at free.invalid>  wrote:
>>
>> Python is an object oriented langage (OOL). The Python main
>>> implementation is written in pure and "old" C90. Is it for historical
>>> reasons?
>>>
>>> C is not an OOL and C++ strongly is. I wonder if it wouldn't be more
>>> suitable to implement an OOL with another one.
>>>
>>
>> One thing that comes to mind is that it's much easier to distribute C
>> libraries than C++ libraries.
>>
>> If I compile a main program with one C compiler and you compile a
>> dynamically loaded library with another C compiler on the same box, the
>> odds are pretty good they'll interoperate without any problems.
>>
>
>   Not for Python.  Extensions have to be built with essentially the
> same version of the same C compiler used for building Python.  This
> is a major headache.
>
>                                John Nagle
> --
>


Pretty sure that's only one Windows, and only because they need to be linked
to the same version of MSVC. It's not a compiler issue, it's incompatible
library versions.


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