Add SageMath kernel

examples/sage/standart/default.nix

@@ -0,0 +1,9 @@
+{
+  self,
+  system,
+  ...
+}: {
+  kernel.sage.standard = {
+    enable = true;
+  };
+}

modules/default.nix

@@ -85,6 +85,7 @@ in {
     ./../modules/kernels/typescript
     ./../modules/kernels/zsh
     ./../modules/kernels/dotnet
+    ./../modules/kernels/sage
   ];
   # TODO: add kernels
   #++ map (name: ./. + "/../modules/kernels/${name}/module.nix") (builtins.attrNames (builtins.readDir ./../modules/kernels));

modules/kernels/sage/default.nix

@@ -0,0 +1,106 @@
+{
+  self,
+  system,
+  config,
+  lib,
+  mkKernel,
+  ...
+}: let
+  inherit (lib) types;
+
+  kernelName = "sage";
+  kernelOptions = {
+    config,
+    name,
+    ...
+  }: let
+    overlay = final: prev: rec {
+      sage = prev.sage.override {
+        requireSageTests = false;
+      };
+    };
+    pkgs = import self.inputs.nixpkgs {
+      inherit system;
+      overlays = [overlay];
+    };
+    requiredRuntimePackages = with pkgs; [
+      sage
+      python3
+      gnused
+    ];
+    args = {inherit self system lib config name kernelName requiredRuntimePackages;};
+    kernelModule = import ./../../kernel.nix args;
+    kernelFunc = {
+      self,
+      system,
+      # custom arguments
+      pkgs ? pkgs,
+      name ? "sage",
+      displayName ? "Sage",
+      requiredRuntimePackages ? requiredRuntimePackages,
+      runtimePackages ? [],
+    }: let
+      allRuntimePackages = requiredRuntimePackages ++ runtimePackages;
+
+      env = pkgs.sage;
+      wrappedEnv =
+        pkgs.runCommand "wrapper-${env.name}"
+        {nativeBuildInputs = [pkgs.makeWrapper];}
+        ''
+          mkdir -p $out/bin
+          for i in ${env}/bin/*; do
+            filename=$(basename $i)
+            ln -s ${env}/bin/$filename $out/bin/$filename
+            wrapProgram $out/bin/$filename \
+              --set PATH "${pkgs.lib.makeSearchPath "bin" allRuntimePackages}"
+          done
+        '';
+    in {
+      inherit name displayName;
+      language = "python";
+      argv = [
+        "${wrappedEnv}/bin/sage"
+        "--python"
+        "-m"
+        "sage.repl.ipython_kernel"
+        "-f"
+        "{connection_file}"
+      ];
+      codemirrorMode = "python";
+      logo64 = ./logo64.png;
+      logo32 = ./logo32.png;
+    };
+  in {
+    options =
+      {
+      }
+      // kernelModule.options;
+    config = lib.mkIf config.enable {
+      build = mkKernel (kernelFunc config.kernelArgs);
+      kernelArgs =
+        kernelModule.kernelArgs
+        // {
+          inherit (config);
+          pkgs = import config.nixpkgs.path {
+            inherit system;
+            overlays = [
+              overlay
+            ];
+          };
+        };
+    };
+  };
+in {
+  options.kernel.${kernelName} = lib.mkOption {
+    type = types.attrsOf (types.submodule kernelOptions);
+    default = {};
+    example = lib.literalExpression ''
+      {
+        kernel.${kernelName}."example".enable = true;
+      }
+    '';
+    description = lib.mdDoc ''
+      A ${kernelName} kernel for IPython.
+    '';
+  };
+}