programs: Add paperwork

users/simon/modules/programs.nix

@@ -23,6 +23,31 @@ let
       --model-dir ${waifu2x-photo-models} \
       $@
   '';
+
+  # making paperwork only depend on the tesseract language models I need (< 40
+  # MiB) than all models (1 GiB) is hard
+  paperwork =
+    let
+      paperwork-backend = (pkgs.python3Packages.paperwork-backend.override {
+        pyocr = pkgs.python3Packages.pyocr.override {
+          tesseract = pkgs.tesseract.override {
+            enableLanguages = [ "deu" "eng" ];
+          };
+        };
+      }).overrideAttrs (o: o // {
+        # !!! HACK test test_guess_orientation fails and I found no easy way to
+        # disable it
+        setuptoolsCheckPhase = "echo disabled";
+      });
+    in
+    pkgs.paperwork.override {
+      python3Packages = pkgs.python3Packages // {
+        inherit paperwork-backend;
+        paperwork-shell = pkgs.python3Packages.paperwork-shell.override {
+          inherit paperwork-backend;
+        };
+      };
+    };
 in
 {
   home.packages = with pkgs; [
@@ -201,6 +226,7 @@ in
 
     # office
     jameica # application framework (used for hibiscus online banking)
+    paperwork # document management system
     pdfarranger # pdf multitool
     textidote # LaTeX document linter
   ] ++ lib.optionals (nixosConfig.sbruder.gui.enable && !nixosConfig.sbruder.full) [