[Distutils] platform specific python only wheels

[Ronald Oussoren]

On 30 Jan 2014, at 19:36, Daniel Holth <dholth at gmail.com> wrote:

> On Thu, Jan 30, 2014 at 1:29 PM, Ronald Oussoren <ronaldoussoren at mac.com> wrote:
>> 
>> On 30 Jan 2014, at 19:19, Daniel Holth <dholth at gmail.com> wrote:
>> 
>>> Your best bet currently is to execute the "mv" command to change the
>>> filename of the wheel.
>>> 
>>> I think bdist_wheel should probably accept a setup() argument to set
>>> the tags. Currently you can just set a "universal" flag which means
>>> pure 2+3 python.
>> 
>> There's also --plat-name argument for the setuptools command, but that doesn't work.
>> 
>> I'd have to rename the platform tag from "any" to a list of supported platforms, is that correct?
>> 
>> That would give a pretty convoluted filename, because the platform tag doesn't allow for wildcards. That is, there is no way to specify "any linux", only something like "linux_x86_64" (to borrow a tag from PEP 425).
> 
> My position has been that if there is no alternative that works on a
> different platform, then at least the wheel metadata should say
> nothing. It's only there to allow the installer to pick among the best
> of several alternatives.

The py2app setup.py file currently hardcodes a platform check because users did install py2app on other platforms (mostly Windows) and then complained that it didn’t work. It is much nicer to tell the user that a package won’t work during installation.

Ronald