Merge pull request #301972 from twitchy0/ngrid

ngrid: init at 0.1.0

pkgs/by-name/ng/ngrid/package.nix

@@ -0,0 +1,69 @@
+{ lib
+, fetchFromGitHub
+, python3
+, expect
+}:
+
+python3.pkgs.buildPythonApplication rec {
+  pname = "ngrid";
+  version = "0.1.0";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "twosigma";
+    repo = "ngrid";
+    rev = version;
+    hash = "sha256-69icp0m+bAHBsQFIDGd8NjfMsMYsB1sUfzuP/OBl5jc=";
+  };
+
+  nativeBuildInputs = [
+    python3.pkgs.setuptools
+    python3.pkgs.wheel
+  ];
+
+  propagatedBuildInputs = [
+    python3.pkgs.six
+    python3.pkgs.numpy
+    python3.pkgs.pytz
+    python3.pkgs.pandas
+  ];
+
+  pythonImportsCheck = [ "ngrid.main" ];
+
+  nativeCheckInputs = [ python3.pkgs.pytest expect ];
+  checkPhase = ''
+    runHook preCheck
+
+    pytest test/formatters.py
+
+    echo -e "a,b,c\n1.98423,some string,5824.2" > test.csv
+
+    expect <<EOD
+      exp_internal 1
+      set timeout 3
+      spawn $out/bin/ngrid test.csv
+
+      expect {
+        "Traceback" { exit 1 }
+        timeout { }
+      }
+
+      send "q"
+
+      expect {
+        "Traceback" { exit 1 }
+        eof { exit 0 }
+      }
+    EOD
+
+    runHook postCheck
+  '';
+
+  meta = with lib; {
+    description = "It's \"less\" for data";
+    homepage = "https://github.com/twosigma/ngrid";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ twitchy0 ];
+    mainProgram = "ngrid";
+  };
+}