format python, add poetry shell

Signed-off-by: ahuston-0 <aliceghuston@gmail.com>

flake.nix

@@ -23,7 +23,7 @@
       self,
       nixpkgs,
       flake-utils,
-      poetry2nix,
+      pre-commit-hooks,
       ...
     }@inputs:
     flake-utils.lib.eachDefaultSystem (
@@ -31,11 +31,30 @@
       let
         # see https://github.com/nix-community/poetry2nix/tree/master#api for more functions and examples.
         pkgs = nixpkgs.legacyPackages.${system};
-        inherit (poetry2nix.lib.mkPoetry2Nix { inherit pkgs; }) mkPoetryApplication;
+        poetry2nix = inputs.poetry2nix.lib.mkPoetry2Nix { inherit pkgs; };
+
+        overrides = poetry2nix.overrides.withDefaults (
+          _final: prev: {
+            # prefer binary wheels instead of source distributions for rust based dependencies
+            # avoids needing to build them from source. technically a security risk
+            polars = prev.polars.override { preferWheel = true; };
+            ruff = prev.ruff.override { preferWheel = true; };
+            greenlet = prev.greenlet.override { preferWheel = true; };
+            sqlalchemy = prev.sqlalchemy.override { preferWheel = true; };
+          }
+        );
+
+        poetryConfig = {
+          inherit overrides;
+          projectDir = self;
+          python = pkgs.python312;
+        };
       in
       rec {
         packages = {
-          myapp = mkPoetryApplication { projectDir = self; };
+          myapp = poetry2nix.mkPoetryApplication poetryConfig // {
+            develop = true;
+          };
           default = self.packages.${system}.myapp;
         };
 
@@ -44,6 +63,8 @@
         devShells = import ./shell.nix {
           inherit
             self
+            poetryConfig
+            poetry2nix
             inputs
             system
             checks