add pt2tf tool

pt2tf/onnx-tensorflow/onnx_tf/handlers/backend/max.py

@@ -0,0 +1,34 @@
+import tensorflow as tf
+
+from onnx_tf.handlers.backend_handler import BackendHandler
+from onnx_tf.handlers.handler import onnx_op
+from onnx_tf.handlers.handler import tf_func
+
+
+@onnx_op("Max")
+@tf_func(tf.reduce_max)
+class Max(BackendHandler):
+
+  @classmethod
+  def get_attrs_processor_param(cls):
+    return {"default": {"axis": 0}}
+
+  @classmethod
+  def _common(cls, node, **kwargs):
+    values = [kwargs["tensor_dict"][inp] for inp in node.inputs]
+    return [
+        cls.make_tensor_from_onnx_node(
+            node, inputs=[tf.stack(values)], **kwargs)
+    ]
+
+  @classmethod
+  def version_1(cls, node, **kwargs):
+    return cls._common(node, **kwargs)
+
+  @classmethod
+  def version_6(cls, node, **kwargs):
+    return cls._common(node, **kwargs)
+
+  @classmethod
+  def version_8(cls, node, **kwargs):
+    return cls._common(node, **kwargs)