[Distutils] How to make easy_install handle platlibs?

[Tres Seaver]

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zooko wrote:
>> It would probably be a lot easier to improve the platform string  
>> generation and comparison logic, as has been done for OS X.
> 
> As PJE has mentioned, the intent is that the egg name should contain  
> enough information to decide if that egg will work on your platform.   
> For example, if it says "py2.5-win32" then you know it will work on  
> your Python 2.5 on 32-bit Windows, and if it says "py2.5-macosx-10.3- 
> ppc" then you know it will work on your PowerPC-based Mac with Python  
> 2.5.  This can be used for example by easy_install to get a directory  
> listing of eggs and choose which one will work on the local platform  
> based solely on its filename.
> 
> As PJE mentioned, it would be nice if this same technique worked on  
> Linux.
> 
> However, it currently doesn't.  Eggs built on Linux are named  
> something like py2.5-Linux-x86_64.  To know whether such an egg would  
> actually work on your Linux system, you would also need to know  
> whether the Python was compiled with UCS-2 or UCS-4 internal unicode  
> representation, as well as what version of glibc you have.  Is there  
> anything else that would need to be added into the egg name?

Better:  just don't distribute binary eggs for Linux at all:

 - Developers have the tools (or can install them) to build from
   'sdists'.

 - Systems without tools are "locked down", which means that they
   shouldn't be installing from public distributions anyway:
   the folks who run them should be able to build *private* eggs
   from 'sdists' which are known to work for their systems.


Tres.
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Tres Seaver          +1 540-429-0999          tseaver at palladion.com
Palladion Software   "Excellence by Design"    http://palladion.com
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