[Feature] Nix Flake

.gitignore

@@ -19,3 +19,8 @@ stregsystem/*-tokens.json.bak
 
 # ignore default log file location
 stregsystem.log
+
+# nix
+.direnv
+.envrc
+result

README.md

@@ -31,6 +31,16 @@ For Ubuntu with virtual envs:
 5. ???
 6. Profit
 
+For systems running the Nix package manager:
+1. Configure Nix to use nix-command and flakes
+ - `echo "experimental-features = nix-command flakes" >> /etc/nix/nix.conf`
+2. Start shell
+ - `nix develop`
+2. Or run the system
+ - `nix run . testserver stregsystem/fixtures/testdata.json`
+3. ???
+4. Profit
+
 For Mac users with virtual envs:
 1. Install python3.11 with pip
  - `brew install [email protected]`
@@ -43,7 +53,6 @@ For Mac users with virtual envs:
 5. ???
 6. Profit
 
-
 Using Testdata
 --------
 In order to simplify development for all, we have included a test fixture.

flake.nix

@@ -0,0 +1,44 @@
+{
+    description = "F-klubbens Stregsystem";
+
+    # define nixpkgs version to use
+    inputs = {
+        nixpkgs.url = "nixpkgs/nixos-24.05";
+    };
+
+    outputs = { self, nixpkgs }: let 
+        system = "x86_64-linux";
+        pkgs = import nixpkgs { inherit system; };
+
+        dependencies = import ./nix-support { inherit pkgs; };
+
+    in {
+        # Define the shell, here we're just setting the packages required for the devshell
+        devShells.${system}.default = pkgs.mkShell {
+            packages = (dependencies pkgs.python311Packages) ++ [pkgs.mailhog pkgs.black];
+        };
+
+        # Default package for the stregsystem
+        packages.${system}.default = let
+            env = pkgs.python311.withPackages dependencies;
+        in pkgs.stdenv.mkDerivation {
+            pname = "stregsystemet";
+            version = "latest";
+            src = ./.;
+
+	          installPhase = ''
+		            mkdir -p $out/bin
+		            mkdir -p $out/share/stregsystemet
+
+                cp local.cfg.skel local.cfg
+                echo "${env.interpreter} $out/share/stregsystemet/manage.py \$@" > $out/bin/stregsystemet
+                sed -i '1 i #!${pkgs.bash}/bin/bash' $out/bin/stregsystemet
+                chmod +x $out/bin/stregsystemet
+
+                sed -i '1d' manage.py
+
+		            cp ./* $out/share/stregsystemet -r
+	          '';
+        };
+    };
+}

nix-support/default.nix

@@ -0,0 +1,8 @@
+{pkgs}: let
+    # Based on requirements.txt, determine dependencies to fetch from nixpkgs
+    requirements = ../requirements.txt;
+    # Read file and split it into lines
+    lines = pkgs.lib.lists.remove "" (pkgs.lib.strings.splitString "\n" (builtins.readFile requirements));
+    packages = map (pkg: builtins.elemAt (pkgs.lib.strings.splitString "==" pkg) 0) lines;
+    filteredPackages = builtins.filter (pkg: pkg != "Django-Select2") packages;
+in py: [(pkgs.callPackage ./django-select2.nix { inherit pkgs py; })] ++ map (pkg: py.${pkgs.lib.toLower pkg}) filteredPackages

nix-support/django-select2.nix

@@ -0,0 +1,20 @@
+{pkgs, py}:
+
+py.buildPythonPackage {
+    pname = "Django-Select2";
+    version = "8.1.2";
+    src = pkgs.fetchurl {
+        url = "https://files.pythonhosted.org/packages/7f/af/2fc371e1dea6686b588ab9cd445e55b63248a525f8c90550767a42dd77bb/django_select2-8.1.2.tar.gz";
+        sha256 = "sha256-9EaF7hw5CQqt4B4+vCVnAvBWIPPHijwmhECtmmYHCHY=";
+    };
+    format = "pyproject";
+    doCheck = false;
+    buildInputs = [];
+    checkInputs = [];
+    nativeBuildInputs = [];
+    propagatedBuildInputs = [
+        py.django-appconf
+        py.flit-scm
+    ];
+}
+