initial commit

flake.nix

@@ -0,0 +1,41 @@
+{
+  description = "Flake using pyproject.toml metadata";
+
+  inputs.pyproject-nix.url = "github:pyproject-nix/pyproject.nix";
+  inputs.pyproject-nix.inputs.nixpkgs.follows = "nixpkgs";
+
+  outputs =
+    { nixpkgs, pyproject-nix, ... }:
+    let
+      inherit (nixpkgs) lib;
+      forAllSystems = lib.genAttrs lib.systems.flakeExposed;
+
+      project = pyproject-nix.lib.project.loadPyproject {
+        projectRoot = ./.;
+      };
+
+      pythonAttr = "python3";
+    in
+    {
+      devShells = forAllSystems (system: {
+        default =
+          let
+            pkgs = nixpkgs.legacyPackages.${system};
+            python = pkgs.${pythonAttr};
+            pythonEnv = python.withPackages (project.renderers.withPackages { inherit python; });
+          in
+          pkgs.mkShell { packages = [ pythonEnv ]; };
+      });
+
+      packages = forAllSystems (
+        system:
+        let
+          pkgs = nixpkgs.legacyPackages.${system};
+          python = pkgs.${pythonAttr};
+        in
+        {
+          default = python.pkgs.buildPythonPackage (project.renderers.buildPythonPackage { inherit python; });
+        }
+      );
+    };
+}