sync to 1.8 (#2087)

doc/fluid/user_guides/cv_case/gan/README.cn.md

@@ -312,8 +312,8 @@ batch是一个特殊的decorator，它的输入是一个reader，输出是一个
 ```python
 batch_size = 128   # Minibatch size
 
-train_reader = paddle.batch(
-    paddle.reader.shuffle(
+train_reader = fluid.io.batch(
+    fluid.io.shuffle(
         paddle.dataset.mnist.train(), buf_size=60000),
     batch_size=batch_size)
 ```

doc/fluid/user_guides/cv_case/gan/README.md

@@ -311,8 +311,8 @@ Batch is a special decorator. Its input is a reader and its output is a batched
 ```python
 batch_size = 128   # Minibatch size
 
-train_reader = paddle.batch(
-    paddle.reader.shuffle(
+train_reader = fluid.io.batch(
+    fluid.io.shuffle(
         paddle.dataset.mnist.train(), buf_size=60000),
     batch_size=batch_size)
 ```

doc/fluid/user_guides/cv_case/gan/dc_gan.py

@@ -93,13 +93,12 @@ def train(args):
         exe = fluid.Executor(fluid.CUDAPlace(0))
     exe.run(fluid.default_startup_program())
     if args.enable_ce:
-        train_reader = paddle.batch(
+        train_reader = fluid.io.batch(
             paddle.dataset.mnist.train(), batch_size=args.batch_size)
     else:
 
-        train_reader = paddle.batch(
-            paddle.reader.shuffle(
-                paddle.dataset.mnist.train(), buf_size=60000),
+        train_reader = fluid.io.batch(
+            fluid.io.shuffle(paddle.dataset.mnist.train(), buf_size=60000),
             batch_size=args.batch_size)
 
     NUM_TRAIN_TIMES_OF_DG = 2

doc/fluid/user_guides/cv_case/gan/index.cn.html

@@ -354,8 +354,8 @@ batch是一个特殊的decorator，它的输入是一个reader，输出是一个
 ```python
 batch_size = 128   # Minibatch size
 
-train_reader = paddle.batch(
-    paddle.reader.shuffle(
+train_reader = fluid.io.batch(
+    fluid.io.shuffle(
         paddle.dataset.mnist.train(), buf_size=60000),
     batch_size=batch_size)
 ```

doc/fluid/user_guides/cv_case/gan/index.html

@@ -353,8 +353,8 @@ Batch is a special decorator. Its input is a reader and its output is a batched
 ```python
 batch_size = 128   # Minibatch size
 
-train_reader = paddle.batch(
-    paddle.reader.shuffle(
+train_reader = fluid.io.batch(
+    fluid.io.shuffle(
         paddle.dataset.mnist.train(), buf_size=60000),
     batch_size=batch_size)
 ```

doc/fluid/user_guides/simple_case/fit_a_line/README.cn.md

@@ -143,13 +143,13 @@ import sys
 ```python
 BATCH_SIZE = 20
 
-train_reader = paddle.batch(
-    paddle.reader.shuffle(
+train_reader = fluid.io.batch(
+    fluid.io.shuffle(
         paddle.dataset.uci_housing.train(), buf_size=500),
         batch_size=BATCH_SIZE)
 
-test_reader = paddle.batch(
-    paddle.reader.shuffle(
+test_reader = fluid.io.batch(
+    fluid.io.shuffle(
         paddle.dataset.uci_housing.test(), buf_size=500),
         batch_size=BATCH_SIZE)
 ```
@@ -179,13 +179,13 @@ def reader_creator(train_data):
             yield d[:-1], d[-1:]  
     return reader
 
-train_reader = paddle.batch(
-    paddle.reader.shuffle(
+train_reader = fluid.io.batch(
+    fluid.io.shuffle(
         reader_creator(train_data), buf_size=500),
         batch_size=BATCH_SIZE)
 
-test_reader = paddle.batch(
-    paddle.reader.shuffle(
+test_reader = fluid.io.batch(
+    fluid.io.shuffle(
         reader_creator(test_data), buf_size=500),
         batch_size=BATCH_SIZE)
 ```
@@ -349,7 +349,7 @@ with fluid.scope_guard(inference_scope):
      fetch_targets] = fluid.io.load_inference_model(params_dirname, infer_exe) # 载入预训练模型
     batch_size = 10
 
-    infer_reader = paddle.batch(
+    infer_reader = fluid.io.batch(
         paddle.dataset.uci_housing.test(), batch_size=batch_size) # 准备测试集
 
     infer_data = next(infer_reader())

doc/fluid/user_guides/simple_case/fit_a_line/README.md

@@ -145,13 +145,13 @@ Next we define the data feeder for training. The data feeder reads a batch of da
 ```python
 BATCH_SIZE = 20
 
-train_reader = paddle.batch(
-    paddle.reader.shuffle(
+train_reader = fluid.io.batch(
+    fluid.io.shuffle(
         paddle.dataset.uci_housing.train(), buf_size=500),
         batch_size=BATCH_SIZE)
 
-test_reader = paddle.batch(
-    paddle.reader.shuffle(
+test_reader = fluid.io.batch(
+    fluid.io.shuffle(
         paddle.dataset.uci_housing.test(), buf_size=500),
         batch_size=BATCH_SIZE)
 ```
@@ -181,13 +181,13 @@ def reader_creator(train_data):
             yield d[:-1], d[-1:]  
     return reader
 
-train_reader = paddle.batch(
-    paddle.reader.shuffle(
+train_reader = fluid.io.batch(
+    fluid.io.shuffle(
         reader_creator(train_data), buf_size=500),
         batch_size=BATCH_SIZE)
 
-test_reader = paddle.batch(
-    paddle.reader.shuffle(
+test_reader = fluid.io.batch(
+    fluid.io.shuffle(
         reader_creator(test_data), buf_size=500),
         batch_size=BATCH_SIZE)
 ```
@@ -351,7 +351,7 @@ with fluid.scope_guard(inference_scope):
      fetch_targets] = fluid.io.load_inference_model(params_dirname, infer_exe) # load pre-predict model
     batch_size = 10
 
-    infer_reader = paddle.batch(
+    infer_reader = fluid.io.batch(
         paddle.dataset.uci_housing.test(), batch_size=batch_size) # prepare test dataset
 
     infer_data = next(infer_reader())

doc/fluid/user_guides/simple_case/fit_a_line/index.cn.html

@@ -185,13 +185,13 @@ import sys
 ```python
 BATCH_SIZE = 20
 
-train_reader = paddle.batch(
-    paddle.reader.shuffle(
+train_reader = fluid.io.batch(
+    fluid.io.shuffle(
         paddle.dataset.uci_housing.train(), buf_size=500),
         batch_size=BATCH_SIZE)
 
-test_reader = paddle.batch(
-    paddle.reader.shuffle(
+test_reader = fluid.io.batch(
+    fluid.io.shuffle(
         paddle.dataset.uci_housing.test(), buf_size=500),
         batch_size=BATCH_SIZE)
 ```
@@ -221,13 +221,13 @@ def reader_creator(train_data):
             yield d[:-1], d[-1:]  
     return reader
 
-train_reader = paddle.batch(
-    paddle.reader.shuffle(
+train_reader = fluid.io.batch(
+    fluid.io.shuffle(
         reader_creator(train_data), buf_size=500),
         batch_size=BATCH_SIZE)
 
-test_reader = paddle.batch(
-    paddle.reader.shuffle(
+test_reader = fluid.io.batch(
+    fluid.io.shuffle(
         reader_creator(test_data), buf_size=500),
         batch_size=BATCH_SIZE)
 ```
@@ -391,7 +391,7 @@ with fluid.scope_guard(inference_scope):
      fetch_targets] = fluid.io.load_inference_model(params_dirname, infer_exe) # 载入预训练模型
     batch_size = 10
 
-    infer_reader = paddle.batch(
+    infer_reader = fluid.io.batch(
         paddle.dataset.uci_housing.test(), batch_size=batch_size) # 准备测试集
 
     infer_data = next(infer_reader())

doc/fluid/user_guides/simple_case/fit_a_line/index.html

@@ -187,13 +187,13 @@ Next we define the data feeder for training. The data feeder reads a batch of da
 ```python
 BATCH_SIZE = 20
 
-train_reader = paddle.batch(
-    paddle.reader.shuffle(
+train_reader = fluid.io.batch(
+    fluid.io.shuffle(
         paddle.dataset.uci_housing.train(), buf_size=500),
         batch_size=BATCH_SIZE)
 
-test_reader = paddle.batch(
-    paddle.reader.shuffle(
+test_reader = fluid.io.batch(
+    fluid.io.shuffle(
         paddle.dataset.uci_housing.test(), buf_size=500),
         batch_size=BATCH_SIZE)
 ```
@@ -223,13 +223,13 @@ def reader_creator(train_data):
             yield d[:-1], d[-1:]  
     return reader
 
-train_reader = paddle.batch(
-    paddle.reader.shuffle(
+train_reader = fluid.io.batch(
+    fluid.io.shuffle(
         reader_creator(train_data), buf_size=500),
         batch_size=BATCH_SIZE)
 
-test_reader = paddle.batch(
-    paddle.reader.shuffle(
+test_reader = fluid.io.batch(
+    fluid.io.shuffle(
         reader_creator(test_data), buf_size=500),
         batch_size=BATCH_SIZE)
 ```
@@ -393,7 +393,7 @@ with fluid.scope_guard(inference_scope):
      fetch_targets] = fluid.io.load_inference_model(params_dirname, infer_exe) # load pre-predict model
     batch_size = 10
 
-    infer_reader = paddle.batch(
+    infer_reader = fluid.io.batch(
         paddle.dataset.uci_housing.test(), batch_size=batch_size) # prepare test dataset
 
     infer_data = next(infer_reader())

doc/fluid/user_guides/simple_case/fit_a_line/train.py

@@ -74,18 +74,16 @@ def main():
     batch_size = 20
 
     if args.enable_ce:
-        train_reader = paddle.batch(
+        train_reader = fluid.io.batch(
             paddle.dataset.uci_housing.train(), batch_size=batch_size)
-        test_reader = paddle.batch(
+        test_reader = fluid.io.batch(
             paddle.dataset.uci_housing.test(), batch_size=batch_size)
     else:
-        train_reader = paddle.batch(
-            paddle.reader.shuffle(
-                paddle.dataset.uci_housing.train(), buf_size=500),
+        train_reader = fluid.io.batch(
+            fluid.io.shuffle(paddle.dataset.uci_housing.train(), buf_size=500),
             batch_size=batch_size)
-        test_reader = paddle.batch(
-            paddle.reader.shuffle(
-                paddle.dataset.uci_housing.test(), buf_size=500),
+        test_reader = fluid.io.batch(
+            fluid.io.shuffle(paddle.dataset.uci_housing.test(), buf_size=500),
             batch_size=batch_size)
 
     # feature vector of length 13
@@ -172,7 +170,7 @@ def main():
          ] = fluid.io.load_inference_model(params_dirname, infer_exe)
         batch_size = 10
 
-        infer_reader = paddle.batch(
+        infer_reader = fluid.io.batch(
             paddle.dataset.uci_housing.test(), batch_size=batch_size)
 
         infer_data = next(infer_reader())