The manylinux1 platform only supports x86-64 and x86-32 (i686) architectures. A quote from PEP 513:

Because CentOS 5 is only available for x86_64 and i686 architectures, these are the only architectures currently supported by the manylinux1 policy.

If support is to be extended to other architectures, it requires a new standard (which has recently been discussed on this ML).

Paul Moore kirjoitti 12.03.2018 klo 16:31:
On 12 March 2018 at 14:26, Matt McCormick <> wrote:

I created a wheel for Linux / ppc64le (built on CentOS 7). When I try
to upload to PyPI via twine, the error message results:

   unsupported platform tag 'linux_ppc64le'

What is the status of the ppc64le wheel support? Is pip / PyPI support
expected soon?
PyPI supports Linux wheels in the form of "manylinux" builds. I don't
think there's any plan to support platform or distribution specific
Linux wheels beyond that. Having said that, I'm sure the Lunux
specialists will be able to give more detail (maybe one of the
manylinux versions handles ppc64le?)

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