[GitHub] anirudhacharya commented on a change in pull request #10605: [MXNET-310] [ONNX-MXNet] API to import ONNX models into Gluon.

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anirudhacharya commented on a change in pull request #10605: [MXNET-310] [ONNX-MXNet] API to import ONNX models into Gluon.
URL: https://github.com/apache/incubator-mxnet/pull/10605#discussion_r191867452
 
 

 ##########
 File path: python/mxnet/contrib/onnx/_import/import_model.py
 ##########
 @@ -52,3 +52,28 @@ def import_model(model_file):
     model_proto = onnx.load(model_file)
     sym, arg_params, aux_params = graph.from_onnx(model_proto.graph)
     return sym, arg_params, aux_params
+
+def get_model_metadata(model_file):
+    """
+    Returns the name and shape information of input and output tensors of the given ONNX model file.
+
+    Parameters
+    ----------
+    model_file : str
+        ONNX model file name
+
+    Returns
+    -------
+    model_metadata : dict
+        A dictionary object mapping various metadata to its corresponding value.
+    """
+    graph = GraphProto()
+    try:
+        import onnx
+    except ImportError:
+        raise ImportError("Onnx and protobuf need to be installed. "
+                          + "Instructions to install - https://github.com/onnx/onnx")
+    model_proto = onnx.load(model_file)
 
 Review comment:
   i will add the file check

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