push sheeet

pkgs/development/interpreters/python/tests/test_nix_pythonprefix/default.nix

@@ -0,0 +1,35 @@
+{
+  interpreter,
+  writeText,
+  runCommand,
+}:
+
+let
+
+  python =
+    let
+      packageOverrides = self: super: {
+        typeddep = self.callPackage ./typeddep { };
+      };
+    in
+    interpreter.override {
+      inherit packageOverrides;
+      self = python;
+    };
+
+  pythonEnv = python.withPackages (ps: [
+    ps.typeddep
+    ps.mypy
+  ]);
+
+  pythonScript = writeText "myscript.py" ''
+    from typeddep import util
+    s: str = util.echo("hello")
+    print(s)
+  '';
+
+in
+runCommand "${interpreter.name}-site-prefix-mypy-test" { } ''
+  ${pythonEnv}/bin/mypy ${pythonScript}
+  touch $out
+''