add a flask server

.gitignore

@@ -1 +1,2 @@
 *.pdf
+__pycache__

flake.nix

@@ -7,14 +7,53 @@
     nixpkgs,
   } @ inputs: let
     system = "x86_64-linux";
-    pkgs = import nixpkgs { inherit system; config.allowUnfree = true;};
+    pkgs = import nixpkgs {
+      inherit system;
+      config.allowUnfree = true;
+    };
   in {
-    packages."${system}".default = pkgs.writeShellApplication {
-      name = "hello_world";
+    devShells.${system}.default = pkgs.mkShell {
+      packages = with pkgs; [
+        python313
+        python313Packages.flask
+        python313Packages.waitress
+      ];
+
+      shellHook = ''
+        python --version
+        exec zsh
+      '';
+    };
+    packages.${system} = let
+      scanbuddy = pkgs.writeShellApplication {
+        name = "scanbuddy-script";
 
         runtimeInputs = with pkgs; [sane-backends brscan5 ghostscript];
 
         text = builtins.readFile ./scanbuddy.bash;
       };
+      wrapper = pkgs.writeShellApplication {
+        name = "scanbuddy-wrapper";
+
+        text =
+          /*
+          bash
+          */
+          ''
+            #!/usr/bin/env bash
+            readarray -d '_' args < <(printf "%s" "$1")
+
+            scanbuddy "''${args[@]}"
+          '';
+      };
+      package = pkgs.symlinkJoin {
+        name = "scanbuddy";
+        paths = [scanbuddy wrapper];
+      };
+    in {
+      default = package;
+      inherit scanbuddy;
+      inherit wrapper;
+    };
   };
 }

server.py

@@ -0,0 +1,43 @@
+#!/usr/bin/env python3
+
+# Run this stuff with `waitress-serve --port=5000 --call server:create_app`
+
+import os
+import subprocess
+from flask import Flask, request
+
+app = Flask(__name__)
+
+@app.route("/")
+def hello_world():
+    return "Hello, World! Yoyoyo"
+
+@app.route("/scan")
+def scan():
+    command = ["bash", f"{os.getcwd()}/scanbuddy.bash", "scan"]
+
+    command += ["-d"] if (request.args.get("duplex", "n") == 'y') else []
+
+    result = subprocess.run(command, stdout=subprocess.PIPE, text=True)
+    output = result.stdout.strip()
+
+    print("Scanbuddy output: ")
+    print(output)
+
+    return output
+    # return f"Scanning {'duplex' if duplex == 'y' else ''}..."
+
+@app.route("/dispatch")
+def dispatch():
+    return "Dispatching..."
+
+@app.route("/unscan")
+def unscan():
+    return "Unscanning..."
+
+def create_app():
+   return app
+
+if __name__=='__main__':
+    from waitress import serve
+    serve(app, host="0.0.0.0", port=8080)