python: improve ABI name detection

      else if isx86_32 then "i386"

      else parsed.cpu.name;

    pythonAbiName =

      # python's build doesn't differentiate between musl and glibc in its

      # abi detection, our wrapper should match.

      if stdenv.hostPlatform.isMusl then

        replaceStrings [ "musl" ] [ "gnu" ] parsed.abi.name

        else parsed.abi.name;

      # python's build doesn't support every gnu<extension>, and doesn't

      # differentiate between musl and glibc, so we list those supported in

      # here:

      # https://github.com/python/cpython/blob/e488e300f5c01289c10906c2e53a8e43d6de32d8/configure.ac#L724

      # Note: this is an approximation, as it doesn't take into account the CPU

      # family, or the nixpkgs abi naming conventions.

      if elem parsed.abi.name [

        "gnux32"

        "gnueabihf"

        "gnueabi"

        "gnuabin32"

        "gnuabi64"

        "gnuspe"

      ]

      then parsed.abi.name

      else "gnu";

    multiarch =

      if isDarwin then "darwin"

      else "${multiarchCpu}-${parsed.kernel.name}-${pythonAbiName}";