1 files changed, 12 insertions, 0 deletions
diff --git a/tensorflow/python/framework/common_shapes.py b/tensorflow/python/framework/common_shapes.py
index 3c5aebbce8..40788e24c4 100644
--- a/tensorflow/python/framework/common_shapes.py
+++ b/tensorflow/python/framework/common_shapes.py
@@ -28,6 +28,18 @@ from tensorflow.python.framework import tensor_shape
 from tensorflow.python.framework import tensor_util
 
 
+def has_fully_defined_shape(tensor):
+  """Returns true if tensor has a fully defined shape."""
+  return isinstance(tensor, ops.EagerTensor) or tensor.shape.is_fully_defined()
+
+
+def rank(tensor):
+  """Return a rank if it is a tensor, else return None."""
+  if isinstance(tensor, ops.Tensor):
+    return tensor._rank()  # pylint: disable=protected-access
+  return None
+
+
 def scalar_shape(unused_op):
   """Shape function for ops that output a scalar value."""
   return [tensor_shape.scalar()]