add py_reader may be deprecated msg, test=develop (#19891)

6 years ago · e237275017
parent cee0079a4d
commit e237275017
1 changed files with 3 additions and 0 deletions
--- a/python/paddle/fluid/layers/io.py
+++ b/python/paddle/fluid/layers/io.py
@ -665,6 +665,9 @@ def py_reader(capacity,
         except fluid.core.EOFException:
             test_reader.reset()
    """
+    logging.warn(
+        'paddle.fluid.layers.py_reader() may be deprecated in the near future. '
+        'Please use paddle.fluid.io.PyReader() instead.')
    return _py_reader(
        capacity=capacity,
        shapes=shapes,