build(nix): Refactor gguf-py derivation to take in exact deps

Author: ditsuke

.devops/nix/package-gguf-py.nix

@@ -1,15 +1,17 @@
 {
   lib,
   llamaVersion,
-  python3,
+  numpy,
+  poetry-core,
+  buildPythonPackage,
 }@inputs:
 
-python3.pkgs.buildPythonPackage rec {
+buildPythonPackage {
   pname = "gguf";
   version = llamaVersion;
   pyproject = true;
-  nativeBuildInputs = with python3.pkgs; [ poetry-core ];
-  propagatedBuildInputs = with python3.pkgs; [ numpy ];
+  nativeBuildInputs = [ poetry-core ];
+  propagatedBuildInputs = [ numpy ];
   src = lib.cleanSource ../../gguf-py;
   doCheck = false;
   meta = with lib; {

.devops/nix/scope.nix

@@ -1,16 +1,25 @@
 {
   lib,
   newScope,
+  python3,
   llamaVersion ? "0.0.0",
 }:
 
+let
+  pythonPackages = python3.pkgs;
+  buildPythonPackage = pythonPackages.buildPythonPackage;
+  numpy = pythonPackages.numpy;
+  poetry-core = pythonPackages.poetry-core;
+in
+
 # We're using `makeScope` instead of just writing out an attrset
 # because it allows users to apply overlays later using `overrideScope'`.
 # Cf. https://noogle.dev/f/lib/makeScope
 
 lib.makeScope newScope (self: {
   inherit llamaVersion;
-  gguf-py = self.callPackage ./package-gguf-py.nix { };
+  pp = python3.pkgs;
+  gguf-py = self.callPackage ./package-gguf-py.nix { inherit buildPythonPackage; };
   llama-cpp = self.callPackage ./package.nix { };
   docker = self.callPackage ./docker.nix { };
   docker-min = self.callPackage ./docker.nix { interactive = false; };