Fixed warnings on Windows (#407)

Now builds clean on MSVC: cl version 19.51.36260 for x64, from Visual
Studio 2026 Build Tools 18.10.3.

Major items:

- [[maybe_unused]] instead of gcc/clang specific pragmas
- Removed names variables that weren't used
- Cast + explicit uing64

python/src/file.hpp

@@ -21,11 +21,6 @@
 namespace py = pybind11;
 using namespace ::aare;
 
-// Disable warnings for unused parameters, as we ignore some
-// in the __exit__ method
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wunused-parameter"
-
 void define_file_io_bindings(py::module &m) {
 
     PYBIND11_NUMPY_DTYPE(DetectorHeader, frameNumber, expLength, packetNumber,
@@ -122,9 +117,12 @@ void define_file_io_bindings(py::module &m) {
              })
         .def("__enter__", [](File &self) { return &self; })
         .def("__exit__",
-             [](File &self, const std::optional<pybind11::type> &exc_type,
-                const std::optional<pybind11::object> &exc_value,
-                const std::optional<pybind11::object> &traceback) {
+             []([[maybe_unused]] File &self,
+                [[maybe_unused]] const std::optional<pybind11::type> &exc_type,
+                [[maybe_unused]] const std::optional<pybind11::object>
+                    &exc_value,
+                [[maybe_unused]] const std::optional<pybind11::object>
+                    &traceback) {
                  //  self.close();
              })
         .def("__iter__", [](File &self) { return &self; })
@@ -146,7 +144,7 @@ void define_file_io_bindings(py::module &m) {
                 self.read_into(
                     reinterpret_cast<std::byte *>(image.mutable_data()));
                 return image;
-            } catch (std::runtime_error &e) {
+            } catch (std::runtime_error &) {
                 throw py::stop_iteration();
             }
         });
@@ -160,6 +158,4 @@ void define_file_io_bindings(py::module &m) {
         .def_property_readonly("start", &ScanParameters::start)
         .def_property_readonly("stop", &ScanParameters::stop)
         .def_property_readonly("step", &ScanParameters::step);
-
-#pragma GCC diagnostic pop
 }