Going straight ahead!

flake.nix

@@ -4,21 +4,104 @@
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
     flake-utils.url = "github:numtide/flake-utils";
-    quebec-osm-data.url =
-      "https://download.geofabrik.de/north-america/canada/quebec-240828.osm.pbf";
-    quebec-osm-data.flake = false;
+    quebec-osm-data = {
+      url =
+        "https://static.home.all-dressed-programming.com/download.geofabrik.de/north-america/canada/quebec-241223.osm.pbf";
+      flake = false;
+    };
+    quebec-cities-poly = {
+      url = "github:didiercrunch/cities";
+      flake = false;
+    };
   };
-
-  outputs = { self, nixpkgs, flake-utils, quebec-osm-data }:
+  outputs = { self, nixpkgs, flake-utils, quebec-osm-data, quebec-cities-poly }:
     flake-utils.lib.eachDefaultSystem (system:
       let
         pkgs = nixpkgs.legacyPackages.${system};
-        default = pkgs.hello;
+
+        poly2geojson = pkgs.rustPlatform.buildRustPackage rec {
+          pname = "poly2geojson";
+          version = "0.1.3";
+
+          src = pkgs.fetchFromGitHub {
+            owner = "frafra";
+            repo = pname;
+            rev = "2fbf2383765fe043d43d53b91ddbfe50c0129bb1";
+            hash = "sha256-BMRl6fRqQlibuGxg5hBHz7r1cvionNYEZe9YcZuL0oU=";
+          };
+          cargoHash = "sha256-pCegHF6SsCIsCQ/b+N34xTMjw2PjPB0pi30Y9sWIcV4=";
+        };
+
+        osmosis = pkgs.stdenv.mkDerivation {
+          name = "osmosis";
+          src = pkgs.fetchzip {
+            url =
+              "https://github.com/openstreetmap/osmosis/releases/download/0.49.2/osmosis-0.49.2.zip";
+            hash = "sha256-hmD/pnEEJsl2NkODon4XZcZ3ZQ7+fx/JvWTR4xrRoug=";
+          };
+          buildInputs = [ ];
+          buildPhase = "";
+          installPhase = ''
+            cp -r . $out
+          '';
+        };
+
+        data-dir = pkgs.stdenv.mkDerivation {
+          name = "data-dir";
+          src = ./scripts;
+          buildInputs = [ poly2geojson ];
+          buildPhase = ''
+            mkdir -p cities/canada/quebec
+            ${pkgs.babashka}/bin/bb  to-geojson.clj ${quebec-cities-poly}/canada/québec/* > cities.json
+          '';
+          installPhase = ''
+            mkdir -p $out/data
+            cp ${quebec-osm-data} $out/data/quebec.osm.pbf
+            cp cities.json $out/data
+          '';
+        };
+
+        dati = pkgs.stdenv.mkDerivation {
+          name = "data-dir";
+          src = ./scripts;
+          buildInputs = [ poly2geojson pkgs.jdk23 osmosis ];
+          buildPhase = ''
+            mkdir -p cities/canada/quebec
+            cp ${quebec-cities-poly}/canada/quebec/* cities/canada/quebec
+            chmod u+w cities/canada/quebec
+            ${pkgs.babashka}/bin/bb  to-geojson.clj --osm-file ${quebec-osm-data} --paths cities/canada/quebec/*.poly
+          '';
+          installPhase = ''
+            cp -r cities $out
+          '';
+        };
+
+        python-virtual-env = pkgs.python312.withPackages (ps: [
+          ps.matplotlib
+          ps.jupyter
+          ps.duckdb
+          ps.pandas
+          ps.unidecode
+          ps.geopy
+        ]);
       in {
-        packages = { default = default; };
+        packages = {
+          default = data-dir;
+          dati = dati;
+          poly2geojson = poly2geojson;
+          osmosis = osmosis;
+        };
         devShell = pkgs.mkShell {
           name = "spacial-data-experiments";
-          buildInputs = with pkgs; [ duckdb ];
+          buildInputs = with pkgs; [
+            duckdb
+            http-server
+            sqlfluff
+            poly2geojson
+            gdal
+            osmosis
+            python-virtual-env
+          ];
         };
       });
 }