chore: import upstream snapshot with attribution

tensorflow/python/lite/toco_python_api_wrapper.cc

@@ -0,0 +1,42 @@
+/* Copyright 2015 The TensorFlow Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+==============================================================================*/
+
+#include "pybind11/pybind11.h"  // from @pybind11
+#include "tensorflow/lite/toco/python/toco_python_api.h"
+#include "tensorflow/python/lib/core/pybind11_lib.h"
+
+namespace py = pybind11;
+
+PYBIND11_MODULE(_pywrap_toco_api, m) {
+  m.def(
+      "TocoConvert",
+      [](py::object model_flags_proto_txt_raw,
+         py::object toco_flags_proto_txt_raw, py::object input_contents_txt_raw,
+         bool extended_return) {
+        return tensorflow::PyoOrThrow(toco::TocoConvert(
+            model_flags_proto_txt_raw.ptr(), toco_flags_proto_txt_raw.ptr(),
+            input_contents_txt_raw.ptr(), extended_return));
+      },
+      py::arg("model_flags_proto_txt_raw"), py::arg("toco_flags_proto_txt_raw"),
+      py::arg("input_contents_txt_raw"), py::arg("extended_return") = false,
+      R"pbdoc(
+      Convert a model represented in `input_contents`. `model_flags_proto`
+      describes model parameters. `toco_flags_proto` describes conversion
+      parameters (see relevant .protos for more information). Returns a string
+      representing the contents of the converted model. When extended_return
+      flag is set to true returns a dictionary that contains string representation
+      of the converted model and some statistics like arithmetic ops count.
+    )pbdoc");
+}