Add nix flake

flake.lock

@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1766651565,
+        "narHash": "sha256-QEhk0eXgyIqTpJ/ehZKg9IKS7EtlWxF3N7DXy42zPfU=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "3e2499d5539c16d0d173ba53552a4ff8547f4539",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,83 @@
+{
+  description = "Forgotten Robot";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs {
+          inherit system;
+        };
+        python3Packages = pkgs.python3Packages;
+
+        blackboxprotobuf = python3Packages.buildPythonPackage rec {
+          pname = "blackboxprotobuf";
+          version = "1.0.1";
+
+          src = python3Packages.fetchPypi {
+            inherit pname version;
+            sha256 = "sha256-IztxTmwkzp0cILhxRioiCvkXfk/sAcG3l6xauGoeHOo=";
+          };
+
+          propagatedBuildInputs = with python3Packages; [
+            protobuf
+          ];
+
+          pyproject = true;
+          build-system = [ python3Packages.setuptools ];
+
+          patchPhase = ''
+      sed 's/protobuf==3.10.0/protobuf/' requirements.txt > requirements.txt
+      '';
+
+          doCheck = false;
+        };
+        ebooklib = python3Packages.buildPythonPackage rec {
+          pname = "EbookLib";
+          version = "0.18";
+          src = python3Packages.fetchPypi {
+            inherit pname version;
+            sha256 = "sha256-OFYmQ6e8lNm/VumTC0kn5Ok7XR0JF/aXpkVNtaHBpTM=";
+          };
+          propagatedBuildInputs = with python3Packages; [
+            six
+            lxml
+          ];
+          pyproject = true;
+          build-system = [ python3Packages.setuptools ];
+        };
+      in
+      {
+        devShells.default = pkgs.mkShell {
+          buildInputs = [
+            (pkgs.python3.withPackages(ps: with ps; [
+              appdirs
+              beautifulsoup4
+              blackboxprotobuf
+              ebooklib
+              httpx
+              importlib-resources
+              lxml
+              pycryptodome
+              rich
+              tomli
+
+              # Test
+              pytest
+              mypy
+              types-requests
+              types-setuptools
+
+              # Build
+              build
+              setuptools
+              twine
+            ]))
+          ];
+        };
+      });
+}

shell.nix

@@ -1,62 +0,0 @@
-with import <nixpkgs> {};
-
-let
-  blackboxprotobuf = python3Packages.buildPythonPackage rec {
-    pname = "blackboxprotobuf";
-    version = "1.0.1";
-
-    src = python3Packages.fetchPypi {
-      inherit pname version;
-      sha256 = "sha256-IztxTmwkzp0cILhxRioiCvkXfk/sAcG3l6xauGoeHOo=";
-    };
-
-    propagatedBuildInputs = with python3Packages; [
-      protobuf
-    ];
-
-    patchPhase = ''
-      sed 's/protobuf==3.10.0/protobuf/' requirements.txt > requirements.txt
-    '';
-
-    doCheck = false;
-  };
-  ebooklib = python3Packages.buildPythonPackage rec {
-    pname = "EbookLib";
-    version = "0.18";
-    src = python3Packages.fetchPypi {
-      inherit pname version;
-      sha256 = "sha256-OFYmQ6e8lNm/VumTC0kn5Ok7XR0JF/aXpkVNtaHBpTM=";
-    };
-    propagatedBuildInputs = with python3Packages; [
-      six
-      lxml
-    ];
-  };
-in
-mkShell {
-  buildInputs = [
-    (python3.withPackages(ps: with ps; [
-      appdirs
-      beautifulsoup4
-      blackboxprotobuf
-      ebooklib
-      httpx
-      importlib-resources
-      lxml
-      pycryptodome
-      rich
-      tomli
-
-      # Test
-      pytest
-      mypy
-      types-requests
-      types-setuptools
-
-      # Build
-      build
-      setuptools
-      twine
-    ]))
-  ];
-}