1 files changed, 60 insertions, 0 deletions
diff --git a/pkgs/development/python-modules/spacy-alignments/default.nix b/pkgs/development/python-modules/spacy-alignments/default.nix
new file mode 100644
index 000000000000..0ac1edfd5034
--- /dev/null
+++ b/pkgs/development/python-modules/spacy-alignments/default.nix
@@ -0,0 +1,60 @@
+{ lib
+, stdenv
+, fetchPypi
+, fetchpatch
+, buildPythonPackage
+, isPy3k
+, rustPlatform
+, setuptools-rust
+, libiconv
+}:
+
+buildPythonPackage rec {
+  pname = "spacy-alignments";
+  version = "0.8.3";
+
+  disabled = !isPy3k;
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-zrqBjaIjtF6bJMbmw7Zo+BeApN6sxxfLkrzsDjdvC78=";
+  };
+
+  cargoDeps = rustPlatform.fetchCargoTarball {
+    inherit patches src;
+    name = "${pname}-${version}";
+    hash = "sha256-YRyG2yflEXKklNqXiDD9oK3J1lq4o704+Eeu2hyY3xI=";
+  };
+
+  patches = [
+    # Add Cargo.lock, from upstream PR:
+    # https://github.com/explosion/spacy-alignments/pull/3
+    (fetchpatch {
+      url = "https://github.com/explosion/spacy-alignments/commit/7b0ba13ff0d245bfbbe344a36fb7bbd311dd4906.diff";
+      sha256 = "sha256-jx97SSC+3z+ByInNs8Uq58H50eCo4fDCwEi6VKxRs2k=";
+      excludes = [ ".gitignore" ];
+    })
+  ];
+
+  nativeBuildInputs = [
+    setuptools-rust
+  ] ++ (with rustPlatform; [
+    cargoSetupHook
+    rust.cargo
+    rust.rustc
+  ]);
+
+  buildInputs = lib.optionals stdenv.isDarwin [ libiconv ];
+
+  # Fails because spacy_alignments module cannot be loaded correctly.
+  doCheck = false;
+
+  pythonImportsCheck = [ "spacy_alignments" ];
+
+  meta = with lib; {
+    description = "Align tokenizations for spaCy and transformers";
+    homepage = "https://github.com/explosion/spacy-alignments";
+    license = licenses.mit;
+    maintainers = with maintainers; [ danieldk ];
+  };
+}