Add C++ runtime and Python API for NeMo Canary models (#2352)

sherpa-onnx/python/csrc/offline-canary-model-config.cc

@@ -0,0 +1,30 @@
+// sherpa-onnx/python/csrc/offline-canary-model-config.cc
+//
+// Copyright (c)  2025  Xiaomi Corporation
+
+#include "sherpa-onnx/csrc/offline-canary-model-config.h"
+
+#include <string>
+#include <vector>
+
+#include "sherpa-onnx/python/csrc/offline-canary-model-config.h"
+
+namespace sherpa_onnx {
+
+void PybindOfflineCanaryModelConfig(py::module *m) {
+  using PyClass = OfflineCanaryModelConfig;
+  py::class_<PyClass>(*m, "OfflineCanaryModelConfig")
+      .def(py::init<const std::string &, const std::string &,
+                    const std::string &, const std::string &, bool>(),
+           py::arg("encoder") = "", py::arg("decoder") = "",
+           py::arg("src_lang") = "", py::arg("tgt_lang") = "",
+           py::arg("use_pnc") = true)
+      .def_readwrite("encoder", &PyClass::encoder)
+      .def_readwrite("decoder", &PyClass::decoder)
+      .def_readwrite("src_lang", &PyClass::src_lang)
+      .def_readwrite("tgt_lang", &PyClass::tgt_lang)
+      .def_readwrite("use_pnc", &PyClass::use_pnc)
+      .def("__str__", &PyClass::ToString);
+}
+
+}  // namespace sherpa_onnx