add custom huggingface_hub packages (learning from hf-cli's authentication workflow)

hosts/packages/huggingface_hub/huggingface_hub.nix

@@ -0,0 +1,62 @@
+/*
+* WARNING: Just use `pkgs.python312Packages.huggingface-hub` (or change python version)
+* WARNING: I didn't realise it existed when I packaged this.
+*
+* Nix Resources:
+*   1. https://wiki.nixos.org/wiki/Python
+*   2. https://nixos.org/manual/nixpkgs/unstable/#developing-with-python
+*
+* Hugging Face Resources:
+*   1. https://github.com/huggingface/huggingface_hub
+*   2. https://huggingface.co/docs/huggingface_hub/main/en/guides/cli
+*/
+{
+  lib,
+  buildPythonPackage,
+  fetchPypi,
+  # build time dependencies
+  setuptools,
+  # runtime dependencies
+  filelock,
+  fsspec,
+  hf-xet,
+  pyyaml,
+  requests,
+  tqdm,
+  typing-extensions,
+}:
+buildPythonPackage rec {
+  pname = "huggingface_hub";
+  version = "0.34.3";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-1YEw/VqnQISAaBR1SRwKvX6DVEIIL7w+9NRbbDn4OFM=";
+  };
+
+  pyproject = true;
+  doCheck = false; # skip unit testing
+  pythonImportsCheck = ["huggingface_hub"];
+
+  # buildtime dependencies
+  build-system = [
+    setuptools
+  ];
+  # runtime dependencies
+  dependencies = [
+    filelock
+    fsspec
+    hf-xet
+    pyyaml
+    requests
+    tqdm
+    typing-extensions
+  ];
+
+  meta = rec {
+    description = "The official Python client for the Huggingface Hub.";
+    homepage = "https://github.com/huggingface/huggingface_hub";
+    changelog = "${homepage}/releases/tag/v${version}";
+    license = lib.licenses.asl20; # Apache License 2.0
+  };
+}