let's make this a haskell project

- I got fed up with Python in a simple project, why use it again?

setup.py

@@ -1,22 +0,0 @@
-from setuptools import setup
-
-requires = [
-    'aiohttp',
-    'aiofiles',
-    'aiodns'
-]
-
-setup(
-    name='chandelorean',
-    version='0.0.1',
-    description="Imageboard style forum that lets you time travel. Meant to be an archive.",
-    classifiers=[
-        "Programming Language :: Python",
-        "Topic :: Internet :: WWW/HTTP",
-    ],
-    author='Zer0-',
-    author_email='paul_cockshott@protonmail.com',
-    packages=['chandelorean'],
-    include_package_data=True,
-    install_requires=requires,
-)

shell.nix

@@ -1,15 +1,34 @@
-{ pkgs ? import <nixpkgs> {} }:
-
+{ nixpkgs ? import <nixpkgs> {}, compiler ? "default", doBenchmark ? false }: 
 let
-  shell = pkgs.mkShell {
-    buildInputs = with pkgs;
-      [
-        python3
-        postgresql
-        #python3Packages.regex
+
+  inherit (nixpkgs) pkgs;
+
+  f = { mkDerivation, base, stdenv, cabal-install,
+        aeson
+      }:
+      mkDerivation {
+        pname = "chan-delorean";
+        version = "0.0.0.0";
+        src = ./.;
+        isLibrary = false;
+        isExecutable = true;
+        executableHaskellDepends = [
+          base safe-exceptions aeson
         ];
+        testHaskellDepends = [ cabal-install ];
+        license = "unknown";
       };
 
+  haskellPackages = if compiler == "default"
+                       then pkgs.haskellPackages
+                       else pkgs.haskell.packages.${compiler};
+
+  variant = if doBenchmark then pkgs.haskell.lib.doBenchmark else pkgs.lib.id;
+
+  drv = variant (haskellPackages.callPackage f {
+    req = req;
+  });
+
 in
 
-  shell
+  if pkgs.lib.inNixShell then drv.env else drv