> On Apr 14, 2018, at 4:57 PM, Matthew Brett <matthew.br...@gmail.com> wrote: > > Is the suggestion to use the `_internal` import, or carry a copy of > the pep425tags code myself, that I have to keep up to date with the > internal pip copy? That would also involve me copying the `glibc` > part of the code. I see that the `wheel` package has an old copy of > that code too, which doesn't deal with manylinux wheels. You > probably saw that `pip-tools` ended up vendoring the whole of pip9 > .
The best solution is to figure out what APIs people need, and either add them to packaging and have pip consume that as well as anyone else, or make a new library for the same. If that’s unacceptable, vendoring or version pinning is probably the best option.