1 files changed, 42 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/preshed/default.nix b/nixpkgs/pkgs/development/python-modules/preshed/default.nix
new file mode 100644
index 000000000000..287b1294b5fe
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/preshed/default.nix
@@ -0,0 +1,42 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+, pytest
+, cython
+, cymem
+, python
+}:
+buildPythonPackage rec {
+  pname = "preshed";
+  version = "2.0.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1rd943zp4gyspajqm5qxzndxziyh51grx0zcw23w8r9r65s1rq6s";
+  };
+
+  propagatedBuildInputs = [
+   cython
+   cymem
+  ];
+
+  buildInputs = [
+    pytest
+  ];
+
+  prePatch = ''
+    substituteInPlace setup.py \
+      --replace "wheel>=0.32.0,<0.33.0" "wheel>=0.31.0"
+  '';
+
+  checkPhase = ''
+    ${python.interpreter} setup.py test
+  '';
+  
+  meta = with stdenv.lib; {
+    description = "Cython hash tables that assume keys are pre-hashed";
+    homepage = https://github.com/explosion/preshed;
+    license = licenses.mit;
+    maintainers = with maintainers; [ sdll ];
+    };
+}