Re: 64bit Python 32bit c library ...

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Mark Pryor wrote:
>
> --- On Thu, 3/26/09, Ben <abnormaliti@xxxxxxxxxxxxxxxxxxx> wrote:
>
>   
>> From: Ben <abnormaliti@xxxxxxxxxxxxxxxxxxx>
>> Subject:  64bit Python 32bit c library ...
>> To: "CentOS mailing list" <centos@xxxxxxxxxx>
>> Date: Thursday, March 26, 2009, 10:48 PM
>>
>> -----Inline Attachment Follows-----
>>
>> I have a closed-source 32bit
>> database application running on a 64bit 
>> CentOS 5.2 system which is running very well however i am
>> looking at 
>> developing some python applications that require access to
>> the data and 
>> the vendor only provides a 32bit c library.
>>
>> So while attempting to utilize the library in python with
>> ctypes it 
>> became obvious that the 64bit python cannot use the 32bit c
>> library.
>>
>> So what are my choices?
>>
>>     
>
> Yum and so many of the applets (system-config-*) are tied to Python that you can't mess with the base version or arch of Python.
>
> What about a 32 bit chroot using Mock? I've never done it, but that's what Mock is intended to do.
>
> Perl.i386 will run OK in x86_64 and there is a version of perl-Inline-CPP that will allow you to write most of what you want in CPP and wrap it with Perl.
>
>   

I am afraid we are stuck with Python.  A considerable amount of the work 
has already been done but it has been developed on a 32bit system and it 
wasn't until early testing revealed our 64bit issue.  One of the primary 
objectives is to develop a SOAP interface to the application and that 
has also been started using TurboGears.

The vendor has offered to port the library to 64bit for a 5 figure amount.

Ben
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