1 files changed, 49 insertions, 0 deletions
diff --git a/pkgs/development/python-modules/promise/default.nix b/pkgs/development/python-modules/promise/default.nix
new file mode 100644
index 00000000000..68668812fc8
--- /dev/null
+++ b/pkgs/development/python-modules/promise/default.nix
@@ -0,0 +1,49 @@
+{ buildPythonPackage
+, fetchPypi
+, lib
+
+, coveralls
+, gevent
+, mock
+, pytest-asyncio
+, pytest-benchmark
+, pytestcov
+, six
+}:
+
+buildPythonPackage rec {
+  pname = "promise";
+  version = "2.3";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1l4kknj97dj5pxfpsz3ln78x9a843561c740b1m4pfi3qlvq7lfz";
+  };
+
+  patchPhase = ''
+    substituteInPlace setup.py \
+      --replace '"futures",' ""
+  '';
+
+  propagatedBuildInputs = [
+    gevent
+    six
+  ];
+
+  checkInputs = [
+    coveralls
+    mock
+    pytest-asyncio
+    pytest-benchmark
+    pytestcov
+  ];
+
+  meta = with lib; {
+    description = "Ultra-performant Promise implementation in Python";
+    homepage = "https://github.com/syrusakbary/promise";
+    license = licenses.mit;
+    maintainers = with maintainers; [
+      kamadorueda
+    ];
+  };
+}