add py module

flake.nix

@@ -24,6 +24,8 @@
             lib,
             eigen,
             gtest,
+            python313,
+            python313Packages,
             withTests ? false,
           }:
           let
@@ -39,6 +41,8 @@
                 ./include
                 ./CMakeLists.txt
                 ./tests
+                ./src
+                ./pysrc
               ];
             };
 
@@ -48,6 +52,13 @@
               cmake
               ninja
               eigen
+              (python313.withPackages (
+                ps: with ps; [
+                  nanobind
+                  matplotlib
+                  numpy
+                ]
+              ))
             ];
           };
       in