Add python/tools/print_selective_registration_header utility for printing a

header for use with 'selective registration' (see
core/framework/selective_registration.h), given an input model.
Change: 134659033

1 files changed, 57 insertions, 0 deletions

diff --git a/tensorflow/python/util/kernel_registry.cc b/tensorflow/python/util/kernel_registry.cc
new file mode 100644
index 0000000000..b05c2ef04b
--- /dev/null
+++ b/tensorflow/python/util/kernel_registry.cc
@@ -0,0 +1,57 @@
+/* Copyright 2016 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 "tensorflow/python/util/kernel_registry.h"
+
+#include "tensorflow/core/framework/node_def_util.h"
+#include "tensorflow/core/framework/op.h"
+#include "tensorflow/core/framework/op_kernel.h"
+#include "tensorflow/core/framework/types.h"
+#include "tensorflow/core/lib/core/status.h"
+#include "tensorflow/core/util/device_name_utils.h"
+
+namespace tensorflow {
+namespace swig {
+
+string TryFindKernelClass(const string& serialized_node_def) {
+  tensorflow::NodeDef node_def;
+  if (!node_def.ParseFromString(serialized_node_def)) {
+    LOG(WARNING) << "Error parsing node_def";
+    return "";
+  }
+
+  const tensorflow::OpRegistrationData* op_reg_data;
+  auto status =
+      tensorflow::OpRegistry::Global()->LookUp(node_def.op(), &op_reg_data);
+  if (!status.ok()) {
+    LOG(WARNING) << "Op " << node_def.op() << " not found: " << status;
+    return "";
+  }
+  AddDefaultsToNodeDef(op_reg_data->op_def, &node_def);
+
+  tensorflow::DeviceNameUtils::ParsedName parsed_name;
+  if (!tensorflow::DeviceNameUtils::ParseFullName(node_def.device(),
+                                                  &parsed_name)) {
+    LOG(WARNING) << "Failed to parse device from node_def: "
+                 << node_def.ShortDebugString();
+    return "";
+  }
+  string class_name = "";
+  tensorflow::FindKernelDef(tensorflow::DeviceType(parsed_name.type.c_str()),
+                            node_def, nullptr /* kernel_def */, &class_name);
+  return class_name;
+}
+
+}  // namespace swig
+}  // namespace tensorflow