Third party proprietary tools like bintray/artifactory manage to do it without too much trouble. Honestly, there aren't really that many formats to support for Python these days— if you don't mind kicking some legacy to the curb, sdist, bdist, and whl pretty much covers it— any other splintering of the ecosystem is on the tooling side, but all the tools that matter still generate one or more of those three formats as the archive.
Actually bdist is legacy is not even used anymore you basically use whl (bdist_wheel), generate packages for specific platform and also provide sdist (source) so people that use platform you forgot about still can use your package. If you're lazy you can just upload sdist.
