fix(pyodbc): manually add search path for unixODBC shared libs

overrides/default.nix

@@ -2306,6 +2306,14 @@ lib.composeManyExtensions [
           ++ [ pkgs.freetds ];
       });
 
+      pyodbc = super.pyodbc.overridePythonAttrs (
+        old: lib.optionalAttrs ((old.src.isWheel or false) && stdenv.isLinux) {
+          preFixup = old.preFixup or "" + ''
+            addAutoPatchelfSearchPath ${pkgs.unixODBC}
+          '';
+        }
+      );
+
       pyopencl = super.pyopencl.overridePythonAttrs (
         old: {
           nativeBuildInputs = (old.nativeBuildInputs or [ ]) ++ [ self.numpy ];

tests/default.nix

@@ -158,6 +158,7 @@ in
   orjson-test = callTest ./orjson-test { };
   ruff = callTest ./ruff { };
   colour = callTest ./colour { };
+  pyodbc-wheel = callTest ./pyodbc-wheel { };
 } // lib.optionalAttrs (!stdenv.isDarwin) {
   # pyqt5 = (callTest ./pyqt5 { });
   pyqt6 = callTest ./pyqt6 { };

tests/pyodbc-wheel/default.nix

@@ -0,0 +1,13 @@
+{ poetry2nix, python3, runCommand }:
+let
+  env = poetry2nix.mkPoetryEnv {
+    python = python3;
+    pyproject = ./pyproject.toml;
+    poetrylock = ./poetry.lock;
+    preferWheels = true;
+  };
+in
+assert env.python.pkgs.pyodbc.src.isWheel; runCommand "pyodbc-wheel-test" { } ''
+  ${env}/bin/python -c 'import pyodbc'
+  touch $out
+''

tests/pyodbc-wheel/pyproject.toml

@@ -0,0 +1,13 @@
+[tool.poetry]
+name = "test-pyodbc-wheel"
+version = "0.1.0"
+description = "Test of pyodbc as wheel"
+authors = ["Your Name <[email protected]>"]
+
+[tool.poetry.dependencies]
+python = "^3.9"
+pyodbc = "^5.0.1"
+
+[build-system]
+requires = ["poetry-core>=1"]
+build-backend = "poetry.core.masonry.api"