1 files changed, 43 insertions, 0 deletions
diff --git a/infra/libkookie/nixpkgs/pkgs/development/python-modules/libcst/default.nix b/infra/libkookie/nixpkgs/pkgs/development/python-modules/libcst/default.nix
new file mode 100644
index 000000000000..e0ea0e332af6
--- /dev/null
+++ b/infra/libkookie/nixpkgs/pkgs/development/python-modules/libcst/default.nix
@@ -0,0 +1,43 @@
+{ lib, buildPythonPackage, fetchFromGitHub, pythonOlder, black, isort
+, pytestCheckHook, pyyaml, typing-extensions, typing-inspect }:
+
+buildPythonPackage rec {
+  pname = "libcst";
+  version = "0.3.13";
+
+  # Some files for tests missing from PyPi
+  # https://github.com/Instagram/LibCST/issues/331
+  src = fetchFromGitHub {
+    owner = "instagram";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0pbddjrsqj641mr6zijk2phfn15dampbx268zcws4bhhhnrxlj65";
+  };
+
+  disabled = pythonOlder "3.6";
+
+  propagatedBuildInputs = [ pyyaml typing-inspect ];
+
+  checkInputs = [ black isort pytestCheckHook ];
+
+  # https://github.com/Instagram/LibCST/issues/346
+  # https://github.com/Instagram/LibCST/issues/347
+  preCheck = ''
+    python -m libcst.codegen.generate visitors
+    python -m libcst.codegen.generate return_types
+    rm libcst/tests/test_fuzz.py
+    rm libcst/tests/test_pyre_integration.py
+    rm libcst/metadata/tests/test_full_repo_manager.py
+    rm libcst/metadata/tests/test_type_inference_provider.py
+  '';
+
+  pythonImportsCheck = [ "libcst" ];
+
+  meta = with lib; {
+    description =
+      "A Concrete Syntax Tree (CST) parser and serializer library for Python.";
+    homepage = "https://github.com/Instagram/libcst";
+    license = with licenses; [ mit asl20 psfl ];
+    maintainers = with maintainers; [ maintainers.ruuda ];
+  };
+}