Merge pull request #8548 from luotao1/fluid_python

move Fluid API doc/code out of V2 API doc/code

doc/api/v2/fluid/data_feeder.rst

@@ -8,7 +8,7 @@ data_feeder
 DataFeeder
 ----------
 
-..  autoclass:: paddle.v2.fluid.data_feeder.DataFeeder
+..  autoclass:: paddle.fluid.data_feeder.DataFeeder
     :members:
     :noindex:
 

doc/api/v2/fluid/evaluator.rst

@@ -8,14 +8,14 @@ evaluator
 Accuracy
 --------
 
-..  autoclass:: paddle.v2.fluid.evaluator.Accuracy
+..  autoclass:: paddle.fluid.evaluator.Accuracy
     :members:
     :noindex:
 
 ChunkEvaluator
 --------------
 
-..  autoclass:: paddle.v2.fluid.evaluator.ChunkEvaluator
+..  autoclass:: paddle.fluid.evaluator.ChunkEvaluator
     :members:
     :noindex:
 

doc/api/v2/fluid/executor.rst

@@ -8,25 +8,25 @@ executor
 Executor
 --------
 
-..  autoclass:: paddle.v2.fluid.executor.Executor
+..  autoclass:: paddle.fluid.executor.Executor
     :members:
     :noindex:
 
 global_scope
 ------------
 
-..  autofunction:: paddle.v2.fluid.executor.global_scope
+..  autofunction:: paddle.fluid.executor.global_scope
     :noindex:
 
 scope_guard
 -----------
 
-..  autofunction:: paddle.v2.fluid.executor.scope_guard
+..  autofunction:: paddle.fluid.executor.scope_guard
     :noindex:
 
 switch_scope
 ------------
 
-..  autofunction:: paddle.v2.fluid.executor.switch_scope
+..  autofunction:: paddle.fluid.executor.switch_scope
     :noindex:
 

doc/api/v2/fluid/gen_doc.py

@@ -17,7 +17,7 @@ import argparse
 import sys
 import types
 
-import paddle.v2.fluid as fluid
+import paddle.fluid as fluid
 
 
 def parse_arg():
@@ -70,7 +70,7 @@ class DocGenerator(object):
 
     def print_class(self, name):
         self._print_header_(name, dot='-', is_title=False)
-        self.stream.write('''..  autoclass:: paddle.v2.fluid.{0}.{1}
+        self.stream.write('''..  autoclass:: paddle.fluid.{0}.{1}
     :members:
     :noindex:
 
@@ -78,7 +78,7 @@ class DocGenerator(object):
 
     def print_method(self, name):
         self._print_header_(name, dot='-', is_title=False)
-        self.stream.write('''..  autofunction:: paddle.v2.fluid.{0}.{1}
+        self.stream.write('''..  autofunction:: paddle.fluid.{0}.{1}
     :noindex:
 
 '''.format(self.module_name, name))

doc/api/v2/fluid/initializer.rst

@@ -8,28 +8,28 @@ initializer
 Constant
 --------
 
-..  autoclass:: paddle.v2.fluid.initializer.Constant
+..  autoclass:: paddle.fluid.initializer.Constant
     :members:
     :noindex:
 
 Uniform
 -------
 
-..  autoclass:: paddle.v2.fluid.initializer.Uniform
+..  autoclass:: paddle.fluid.initializer.Uniform
     :members:
     :noindex:
 
 Normal
 ------
 
-..  autoclass:: paddle.v2.fluid.initializer.Normal
+..  autoclass:: paddle.fluid.initializer.Normal
     :members:
     :noindex:
 
 Xavier
 ------
 
-..  autoclass:: paddle.v2.fluid.initializer.Xavier
+..  autoclass:: paddle.fluid.initializer.Xavier
     :members:
     :noindex:
 

doc/api/v2/fluid/io.rst

@@ -8,54 +8,54 @@ io
 save_vars
 ---------
 
-..  autofunction:: paddle.v2.fluid.io.save_vars
+..  autofunction:: paddle.fluid.io.save_vars
     :noindex:
 
 save_params
 -----------
 
-..  autofunction:: paddle.v2.fluid.io.save_params
+..  autofunction:: paddle.fluid.io.save_params
     :noindex:
 
 save_persistables
 -----------------
 
-..  autofunction:: paddle.v2.fluid.io.save_persistables
+..  autofunction:: paddle.fluid.io.save_persistables
     :noindex:
 
 load_vars
 ---------
 
-..  autofunction:: paddle.v2.fluid.io.load_vars
+..  autofunction:: paddle.fluid.io.load_vars
     :noindex:
 
 load_params
 -----------
 
-..  autofunction:: paddle.v2.fluid.io.load_params
+..  autofunction:: paddle.fluid.io.load_params
     :noindex:
 
 load_persistables
 -----------------
 
-..  autofunction:: paddle.v2.fluid.io.load_persistables
+..  autofunction:: paddle.fluid.io.load_persistables
     :noindex:
 
 save_inference_model
 --------------------
 
-..  autofunction:: paddle.v2.fluid.io.save_inference_model
+..  autofunction:: paddle.fluid.io.save_inference_model
     :noindex:
 
 load_inference_model
 --------------------
 
-..  autofunction:: paddle.v2.fluid.io.load_inference_model
+..  autofunction:: paddle.fluid.io.load_inference_model
     :noindex:
 
 get_inference_program
 ---------------------
 
-..  autofunction:: paddle.v2.fluid.io.get_inference_program
+..  autofunction:: paddle.fluid.io.get_inference_program
     :noindex:
 

doc/api/v2/fluid/layers.rst

@@ -11,167 +11,167 @@ control_flow
 split_lod_tensor
 ----------------
 
-..  autofunction:: paddle.v2.fluid.layers.split_lod_tensor
+..  autofunction:: paddle.fluid.layers.split_lod_tensor
     :noindex:
 
 merge_lod_tensor
 ----------------
 
-..  autofunction:: paddle.v2.fluid.layers.merge_lod_tensor
+..  autofunction:: paddle.fluid.layers.merge_lod_tensor
     :noindex:
 
 BlockGuard
 ----------
 
-..  autoclass:: paddle.v2.fluid.layers.BlockGuard
+..  autoclass:: paddle.fluid.layers.BlockGuard
     :members:
     :noindex:
 
 BlockGuardWithCompletion
 ------------------------
 
-..  autoclass:: paddle.v2.fluid.layers.BlockGuardWithCompletion
+..  autoclass:: paddle.fluid.layers.BlockGuardWithCompletion
     :members:
     :noindex:
 
 StaticRNNMemoryLink
 -------------------
 
-..  autoclass:: paddle.v2.fluid.layers.StaticRNNMemoryLink
+..  autoclass:: paddle.fluid.layers.StaticRNNMemoryLink
     :members:
     :noindex:
 
 WhileGuard
 ----------
 
-..  autoclass:: paddle.v2.fluid.layers.WhileGuard
+..  autoclass:: paddle.fluid.layers.WhileGuard
     :members:
     :noindex:
 
 While
 -----
 
-..  autoclass:: paddle.v2.fluid.layers.While
+..  autoclass:: paddle.fluid.layers.While
     :members:
     :noindex:
 
 lod_rank_table
 --------------
 
-..  autofunction:: paddle.v2.fluid.layers.lod_rank_table
+..  autofunction:: paddle.fluid.layers.lod_rank_table
     :noindex:
 
 max_sequence_len
 ----------------
 
-..  autofunction:: paddle.v2.fluid.layers.max_sequence_len
+..  autofunction:: paddle.fluid.layers.max_sequence_len
     :noindex:
 
 topk
 ----
 
-..  autofunction:: paddle.v2.fluid.layers.topk
+..  autofunction:: paddle.fluid.layers.topk
     :noindex:
 
 lod_tensor_to_array
 -------------------
 
-..  autofunction:: paddle.v2.fluid.layers.lod_tensor_to_array
+..  autofunction:: paddle.fluid.layers.lod_tensor_to_array
     :noindex:
 
 array_to_lod_tensor
 -------------------
 
-..  autofunction:: paddle.v2.fluid.layers.array_to_lod_tensor
+..  autofunction:: paddle.fluid.layers.array_to_lod_tensor
     :noindex:
 
 increment
 ---------
 
-..  autofunction:: paddle.v2.fluid.layers.increment
+..  autofunction:: paddle.fluid.layers.increment
     :noindex:
 
 array_write
 -----------
 
-..  autofunction:: paddle.v2.fluid.layers.array_write
+..  autofunction:: paddle.fluid.layers.array_write
     :noindex:
 
 create_array
 ------------
 
-..  autofunction:: paddle.v2.fluid.layers.create_array
+..  autofunction:: paddle.fluid.layers.create_array
     :noindex:
 
 less_than
 ---------
 
-..  autofunction:: paddle.v2.fluid.layers.less_than
+..  autofunction:: paddle.fluid.layers.less_than
     :noindex:
 
 array_read
 ----------
 
-..  autofunction:: paddle.v2.fluid.layers.array_read
+..  autofunction:: paddle.fluid.layers.array_read
     :noindex:
 
 shrink_memory
 -------------
 
-..  autofunction:: paddle.v2.fluid.layers.shrink_memory
+..  autofunction:: paddle.fluid.layers.shrink_memory
     :noindex:
 
 array_length
 ------------
 
-..  autofunction:: paddle.v2.fluid.layers.array_length
+..  autofunction:: paddle.fluid.layers.array_length
     :noindex:
 
 IfElse
 ------
 
-..  autoclass:: paddle.v2.fluid.layers.IfElse
+..  autoclass:: paddle.fluid.layers.IfElse
     :members:
     :noindex:
 
 DynamicRNN
 ----------
 
-..  autoclass:: paddle.v2.fluid.layers.DynamicRNN
+..  autoclass:: paddle.fluid.layers.DynamicRNN
     :members:
     :noindex:
 
 ConditionalBlock
 ----------------
 
-..  autoclass:: paddle.v2.fluid.layers.ConditionalBlock
+..  autoclass:: paddle.fluid.layers.ConditionalBlock
     :members:
     :noindex:
 
 StaticRNN
 ---------
 
-..  autoclass:: paddle.v2.fluid.layers.StaticRNN
+..  autoclass:: paddle.fluid.layers.StaticRNN
     :members:
     :noindex:
 
 reorder_lod_tensor_by_rank
 --------------------------
 
-..  autofunction:: paddle.v2.fluid.layers.reorder_lod_tensor_by_rank
+..  autofunction:: paddle.fluid.layers.reorder_lod_tensor_by_rank
     :noindex:
 
 ParallelDo
 ----------
 
-..  autoclass:: paddle.v2.fluid.layers.ParallelDo
+..  autoclass:: paddle.fluid.layers.ParallelDo
     :members:
     :noindex:
 
 Print
 -----
 
-..  autofunction:: paddle.v2.fluid.layers.Print
+..  autofunction:: paddle.fluid.layers.Print
     :noindex:
 
 device
@@ -180,7 +180,7 @@ device
 get_places
 ----------
 
-..  autofunction:: paddle.v2.fluid.layers.get_places
+..  autofunction:: paddle.fluid.layers.get_places
     :noindex:
 
 io
@@ -189,27 +189,27 @@ io
 data
 ----
 
-..  autofunction:: paddle.v2.fluid.layers.data
+..  autofunction:: paddle.fluid.layers.data
     :noindex:
 
 BlockGuardServ
 --------------
 
-..  autoclass:: paddle.v2.fluid.layers.BlockGuardServ
+..  autoclass:: paddle.fluid.layers.BlockGuardServ
     :members:
     :noindex:
 
 ListenAndServ
 -------------
 
-..  autoclass:: paddle.v2.fluid.layers.ListenAndServ
+..  autoclass:: paddle.fluid.layers.ListenAndServ
     :members:
     :noindex:
 
 Send
 ----
 
-..  autofunction:: paddle.v2.fluid.layers.Send
+..  autofunction:: paddle.fluid.layers.Send
     :noindex:
 
 nn
@@ -218,259 +218,259 @@ nn
 fc
 --
 
-..  autofunction:: paddle.v2.fluid.layers.fc
+..  autofunction:: paddle.fluid.layers.fc
     :noindex:
 
 embedding
 ---------
 
-..  autofunction:: paddle.v2.fluid.layers.embedding
+..  autofunction:: paddle.fluid.layers.embedding
     :noindex:
 
 dynamic_lstm
 ------------
 
-..  autofunction:: paddle.v2.fluid.layers.dynamic_lstm
+..  autofunction:: paddle.fluid.layers.dynamic_lstm
     :noindex:
 
 dynamic_lstmp
 -------------
 
-..  autofunction:: paddle.v2.fluid.layers.dynamic_lstmp
+..  autofunction:: paddle.fluid.layers.dynamic_lstmp
     :noindex:
 
 dynamic_gru
 -----------
 
-..  autofunction:: paddle.v2.fluid.layers.dynamic_gru
+..  autofunction:: paddle.fluid.layers.dynamic_gru
     :noindex:
 
 gru_unit
 --------
 
-..  autofunction:: paddle.v2.fluid.layers.gru_unit
+..  autofunction:: paddle.fluid.layers.gru_unit
     :noindex:
 
 linear_chain_crf
 ----------------
 
-..  autofunction:: paddle.v2.fluid.layers.linear_chain_crf
+..  autofunction:: paddle.fluid.layers.linear_chain_crf
     :noindex:
 
 crf_decoding
 ------------
 
-..  autofunction:: paddle.v2.fluid.layers.crf_decoding
+..  autofunction:: paddle.fluid.layers.crf_decoding
     :noindex:
 
 cos_sim
 -------
 
-..  autofunction:: paddle.v2.fluid.layers.cos_sim
+..  autofunction:: paddle.fluid.layers.cos_sim
     :noindex:
 
 cross_entropy
 -------------
 
-..  autofunction:: paddle.v2.fluid.layers.cross_entropy
+..  autofunction:: paddle.fluid.layers.cross_entropy
     :noindex:
 
 square_error_cost
 -----------------
 
-..  autofunction:: paddle.v2.fluid.layers.square_error_cost
+..  autofunction:: paddle.fluid.layers.square_error_cost
     :noindex:
 
 accuracy
 --------
 
-..  autofunction:: paddle.v2.fluid.layers.accuracy
+..  autofunction:: paddle.fluid.layers.accuracy
     :noindex:
 
 chunk_eval
 ----------
 
-..  autofunction:: paddle.v2.fluid.layers.chunk_eval
+..  autofunction:: paddle.fluid.layers.chunk_eval
     :noindex:
 
 sequence_conv
 -------------
 
-..  autofunction:: paddle.v2.fluid.layers.sequence_conv
+..  autofunction:: paddle.fluid.layers.sequence_conv
     :noindex:
 
 conv2d
 ------
 
-..  autofunction:: paddle.v2.fluid.layers.conv2d
+..  autofunction:: paddle.fluid.layers.conv2d
     :noindex:
 
 sequence_pool
 -------------
 
-..  autofunction:: paddle.v2.fluid.layers.sequence_pool
+..  autofunction:: paddle.fluid.layers.sequence_pool
     :noindex:
 
 pool2d
 ------
 
-..  autofunction:: paddle.v2.fluid.layers.pool2d
+..  autofunction:: paddle.fluid.layers.pool2d
     :noindex:
 
 batch_norm
 ----------
 
-..  autofunction:: paddle.v2.fluid.layers.batch_norm
+..  autofunction:: paddle.fluid.layers.batch_norm
     :noindex:
 
 layer_norm
 ----------
 
-..  autofunction:: paddle.v2.fluid.layers.layer_norm
+..  autofunction:: paddle.fluid.layers.layer_norm
     :noindex:
 
 beam_search_decode
 ------------------
 
-..  autofunction:: paddle.v2.fluid.layers.beam_search_decode
+..  autofunction:: paddle.fluid.layers.beam_search_decode
     :noindex:
 
 conv2d_transpose
 ----------------
 
-..  autofunction:: paddle.v2.fluid.layers.conv2d_transpose
+..  autofunction:: paddle.fluid.layers.conv2d_transpose
     :noindex:
 
 sequence_expand
 ---------------
 
-..  autofunction:: paddle.v2.fluid.layers.sequence_expand
+..  autofunction:: paddle.fluid.layers.sequence_expand
     :noindex:
 
 lstm_unit
 ---------
 
-..  autofunction:: paddle.v2.fluid.layers.lstm_unit
+..  autofunction:: paddle.fluid.layers.lstm_unit
     :noindex:
 
 reduce_sum
 ----------
 
-..  autofunction:: paddle.v2.fluid.layers.reduce_sum
+..  autofunction:: paddle.fluid.layers.reduce_sum
     :noindex:
 
 reduce_mean
 -----------
 
-..  autofunction:: paddle.v2.fluid.layers.reduce_mean
+..  autofunction:: paddle.fluid.layers.reduce_mean
     :noindex:
 
 reduce_max
 ----------
 
-..  autofunction:: paddle.v2.fluid.layers.reduce_max
+..  autofunction:: paddle.fluid.layers.reduce_max
     :noindex:
 
 reduce_min
 ----------
 
-..  autofunction:: paddle.v2.fluid.layers.reduce_min
+..  autofunction:: paddle.fluid.layers.reduce_min
     :noindex:
 
 sequence_first_step
 -------------------
 
-..  autofunction:: paddle.v2.fluid.layers.sequence_first_step
+..  autofunction:: paddle.fluid.layers.sequence_first_step
     :noindex:
 
 sequence_last_step
 ------------------
 
-..  autofunction:: paddle.v2.fluid.layers.sequence_last_step
+..  autofunction:: paddle.fluid.layers.sequence_last_step
     :noindex:
 
 dropout
 -------
 
-..  autofunction:: paddle.v2.fluid.layers.dropout
+..  autofunction:: paddle.fluid.layers.dropout
     :noindex:
 
 split
 -----
 
-..  autofunction:: paddle.v2.fluid.layers.split
+..  autofunction:: paddle.fluid.layers.split
     :noindex:
 
 ctc_greedy_decoder
 ------------------
 
-..  autofunction:: paddle.v2.fluid.layers.ctc_greedy_decoder
+..  autofunction:: paddle.fluid.layers.ctc_greedy_decoder
     :noindex:
 
 edit_distance
 -------------
 
-..  autofunction:: paddle.v2.fluid.layers.edit_distance
+..  autofunction:: paddle.fluid.layers.edit_distance
     :noindex:
 
 l2_normalize
 ------------
 
-..  autofunction:: paddle.v2.fluid.layers.l2_normalize
+..  autofunction:: paddle.fluid.layers.l2_normalize
     :noindex:
 
 matmul
 ------
 
-..  autofunction:: paddle.v2.fluid.layers.matmul
+..  autofunction:: paddle.fluid.layers.matmul
     :noindex:
 
 warpctc
 -------
 
-..  autofunction:: paddle.v2.fluid.layers.warpctc
+..  autofunction:: paddle.fluid.layers.warpctc
     :noindex:
 
 sequence_reshape
 ----------------
 
-..  autofunction:: paddle.v2.fluid.layers.sequence_reshape
+..  autofunction:: paddle.fluid.layers.sequence_reshape
     :noindex:
 
 transpose
 ---------
 
-..  autofunction:: paddle.v2.fluid.layers.transpose
+..  autofunction:: paddle.fluid.layers.transpose
     :noindex:
 
 im2sequence
 -----------
 
-..  autofunction:: paddle.v2.fluid.layers.im2sequence
+..  autofunction:: paddle.fluid.layers.im2sequence
     :noindex:
 
 nce
 ---
 
-..  autofunction:: paddle.v2.fluid.layers.nce
+..  autofunction:: paddle.fluid.layers.nce
     :noindex:
 
 beam_search
 -----------
 
-..  autofunction:: paddle.v2.fluid.layers.beam_search
+..  autofunction:: paddle.fluid.layers.beam_search
     :noindex:
 
 row_conv
 --------
 
-..  autofunction:: paddle.v2.fluid.layers.row_conv
+..  autofunction:: paddle.fluid.layers.row_conv
     :noindex:
 
 multiplex
 ---------
 
-..  autofunction:: paddle.v2.fluid.layers.multiplex
+..  autofunction:: paddle.fluid.layers.multiplex
     :noindex:
 
 ops
@@ -479,259 +479,259 @@ ops
 mean
 ----
 
-..  autofunction:: paddle.v2.fluid.layers.mean
+..  autofunction:: paddle.fluid.layers.mean
     :noindex:
 
 mul
 ---
 
-..  autofunction:: paddle.v2.fluid.layers.mul
+..  autofunction:: paddle.fluid.layers.mul
     :noindex:
 
 reshape
 -------
 
-..  autofunction:: paddle.v2.fluid.layers.reshape
+..  autofunction:: paddle.fluid.layers.reshape
     :noindex:
 
 scale
 -----
 
-..  autofunction:: paddle.v2.fluid.layers.scale
+..  autofunction:: paddle.fluid.layers.scale
     :noindex:
 
 sigmoid_cross_entropy_with_logits
 ---------------------------------
 
-..  autofunction:: paddle.v2.fluid.layers.sigmoid_cross_entropy_with_logits
+..  autofunction:: paddle.fluid.layers.sigmoid_cross_entropy_with_logits
     :noindex:
 
 elementwise_add
 ---------------
 
-..  autofunction:: paddle.v2.fluid.layers.elementwise_add
+..  autofunction:: paddle.fluid.layers.elementwise_add
     :noindex:
 
 elementwise_div
 ---------------
 
-..  autofunction:: paddle.v2.fluid.layers.elementwise_div
+..  autofunction:: paddle.fluid.layers.elementwise_div
     :noindex:
 
 elementwise_sub
 ---------------
 
-..  autofunction:: paddle.v2.fluid.layers.elementwise_sub
+..  autofunction:: paddle.fluid.layers.elementwise_sub
     :noindex:
 
 elementwise_mul
 ---------------
 
-..  autofunction:: paddle.v2.fluid.layers.elementwise_mul
+..  autofunction:: paddle.fluid.layers.elementwise_mul
     :noindex:
 
 elementwise_max
 ---------------
 
-..  autofunction:: paddle.v2.fluid.layers.elementwise_max
+..  autofunction:: paddle.fluid.layers.elementwise_max
     :noindex:
 
 elementwise_min
 ---------------
 
-..  autofunction:: paddle.v2.fluid.layers.elementwise_min
+..  autofunction:: paddle.fluid.layers.elementwise_min
     :noindex:
 
 elementwise_pow
 ---------------
 
-..  autofunction:: paddle.v2.fluid.layers.elementwise_pow
+..  autofunction:: paddle.fluid.layers.elementwise_pow
     :noindex:
 
 clip
 ----
 
-..  autofunction:: paddle.v2.fluid.layers.clip
+..  autofunction:: paddle.fluid.layers.clip
     :noindex:
 
 clip_by_norm
 ------------
 
-..  autofunction:: paddle.v2.fluid.layers.clip_by_norm
+..  autofunction:: paddle.fluid.layers.clip_by_norm
     :noindex:
 
 sequence_softmax
 ----------------
 
-..  autofunction:: paddle.v2.fluid.layers.sequence_softmax
+..  autofunction:: paddle.fluid.layers.sequence_softmax
     :noindex:
 
 sigmoid
 -------
 
-..  autofunction:: paddle.v2.fluid.layers.sigmoid
+..  autofunction:: paddle.fluid.layers.sigmoid
     :noindex:
 
 logsigmoid
 ----------
 
-..  autofunction:: paddle.v2.fluid.layers.logsigmoid
+..  autofunction:: paddle.fluid.layers.logsigmoid
     :noindex:
 
 exp
 ---
 
-..  autofunction:: paddle.v2.fluid.layers.exp
+..  autofunction:: paddle.fluid.layers.exp
     :noindex:
 
 relu
 ----
 
-..  autofunction:: paddle.v2.fluid.layers.relu
+..  autofunction:: paddle.fluid.layers.relu
     :noindex:
 
 tanh
 ----
 
-..  autofunction:: paddle.v2.fluid.layers.tanh
+..  autofunction:: paddle.fluid.layers.tanh
     :noindex:
 
 tanh_shrink
 -----------
 
-..  autofunction:: paddle.v2.fluid.layers.tanh_shrink
+..  autofunction:: paddle.fluid.layers.tanh_shrink
     :noindex:
 
 softshrink
 ----------
 
-..  autofunction:: paddle.v2.fluid.layers.softshrink
+..  autofunction:: paddle.fluid.layers.softshrink
     :noindex:
 
 sqrt
 ----
 
-..  autofunction:: paddle.v2.fluid.layers.sqrt
+..  autofunction:: paddle.fluid.layers.sqrt
     :noindex:
 
 abs
 ---
 
-..  autofunction:: paddle.v2.fluid.layers.abs
+..  autofunction:: paddle.fluid.layers.abs
     :noindex:
 
 ceil
 ----
 
-..  autofunction:: paddle.v2.fluid.layers.ceil
+..  autofunction:: paddle.fluid.layers.ceil
     :noindex:
 
 floor
 -----
 
-..  autofunction:: paddle.v2.fluid.layers.floor
+..  autofunction:: paddle.fluid.layers.floor
     :noindex:
 
 round
 -----
 
-..  autofunction:: paddle.v2.fluid.layers.round
+..  autofunction:: paddle.fluid.layers.round
     :noindex:
 
 reciprocal
 ----------
 
-..  autofunction:: paddle.v2.fluid.layers.reciprocal
+..  autofunction:: paddle.fluid.layers.reciprocal
     :noindex:
 
 log
 ---
 
-..  autofunction:: paddle.v2.fluid.layers.log
+..  autofunction:: paddle.fluid.layers.log
     :noindex:
 
 square
 ------
 
-..  autofunction:: paddle.v2.fluid.layers.square
+..  autofunction:: paddle.fluid.layers.square
     :noindex:
 
 softplus
 --------
 
-..  autofunction:: paddle.v2.fluid.layers.softplus
+..  autofunction:: paddle.fluid.layers.softplus
     :noindex:
 
 softsign
 --------
 
-..  autofunction:: paddle.v2.fluid.layers.softsign
+..  autofunction:: paddle.fluid.layers.softsign
     :noindex:
 
 brelu
 -----
 
-..  autofunction:: paddle.v2.fluid.layers.brelu
+..  autofunction:: paddle.fluid.layers.brelu
     :noindex:
 
 leaky_relu
 ----------
 
-..  autofunction:: paddle.v2.fluid.layers.leaky_relu
+..  autofunction:: paddle.fluid.layers.leaky_relu
     :noindex:
 
 soft_relu
 ---------
 
-..  autofunction:: paddle.v2.fluid.layers.soft_relu
+..  autofunction:: paddle.fluid.layers.soft_relu
     :noindex:
 
 elu
 ---
 
-..  autofunction:: paddle.v2.fluid.layers.elu
+..  autofunction:: paddle.fluid.layers.elu
     :noindex:
 
 relu6
 -----
 
-..  autofunction:: paddle.v2.fluid.layers.relu6
+..  autofunction:: paddle.fluid.layers.relu6
     :noindex:
 
 pow
 ---
 
-..  autofunction:: paddle.v2.fluid.layers.pow
+..  autofunction:: paddle.fluid.layers.pow
     :noindex:
 
 stanh
 -----
 
-..  autofunction:: paddle.v2.fluid.layers.stanh
+..  autofunction:: paddle.fluid.layers.stanh
     :noindex:
 
 hard_shrink
 -----------
 
-..  autofunction:: paddle.v2.fluid.layers.hard_shrink
+..  autofunction:: paddle.fluid.layers.hard_shrink
     :noindex:
 
 thresholded_relu
 ----------------
 
-..  autofunction:: paddle.v2.fluid.layers.thresholded_relu
+..  autofunction:: paddle.fluid.layers.thresholded_relu
     :noindex:
 
 hard_sigmoid
 ------------
 
-..  autofunction:: paddle.v2.fluid.layers.hard_sigmoid
+..  autofunction:: paddle.fluid.layers.hard_sigmoid
     :noindex:
 
 swish
 -----
 
-..  autofunction:: paddle.v2.fluid.layers.swish
+..  autofunction:: paddle.fluid.layers.swish
     :noindex:
 
 tensor
@@ -740,66 +740,66 @@ tensor
 create_tensor
 -------------
 
-..  autofunction:: paddle.v2.fluid.layers.create_tensor
+..  autofunction:: paddle.fluid.layers.create_tensor
     :noindex:
 
 create_parameter
 ----------------
 
-..  autofunction:: paddle.v2.fluid.layers.create_parameter
+..  autofunction:: paddle.fluid.layers.create_parameter
     :noindex:
 
 create_global_var
 -----------------
 
-..  autofunction:: paddle.v2.fluid.layers.create_global_var
+..  autofunction:: paddle.fluid.layers.create_global_var
     :noindex:
 
 cast
 ----
 
-..  autofunction:: paddle.v2.fluid.layers.cast
+..  autofunction:: paddle.fluid.layers.cast
     :noindex:
 
 concat
 ------
 
-..  autofunction:: paddle.v2.fluid.layers.concat
+..  autofunction:: paddle.fluid.layers.concat
     :noindex:
 
 sums
 ----
 
-..  autofunction:: paddle.v2.fluid.layers.sums
+..  autofunction:: paddle.fluid.layers.sums
     :noindex:
 
 assign
 ------
 
-..  autofunction:: paddle.v2.fluid.layers.assign
+..  autofunction:: paddle.fluid.layers.assign
     :noindex:
 
 fill_constant_batch_size_like
 -----------------------------
 
-..  autofunction:: paddle.v2.fluid.layers.fill_constant_batch_size_like
+..  autofunction:: paddle.fluid.layers.fill_constant_batch_size_like
     :noindex:
 
 fill_constant
 -------------
 
-..  autofunction:: paddle.v2.fluid.layers.fill_constant
+..  autofunction:: paddle.fluid.layers.fill_constant
     :noindex:
 
 ones
 ----
 
-..  autofunction:: paddle.v2.fluid.layers.ones
+..  autofunction:: paddle.fluid.layers.ones
     :noindex:
 
 zeros
 -----
 
-..  autofunction:: paddle.v2.fluid.layers.zeros
+..  autofunction:: paddle.fluid.layers.zeros
     :noindex:
 

doc/api/v2/fluid/nets.rst

@@ -8,24 +8,24 @@ nets
 simple_img_conv_pool
 --------------------
 
-..  autofunction:: paddle.v2.fluid.nets.simple_img_conv_pool
+..  autofunction:: paddle.fluid.nets.simple_img_conv_pool
     :noindex:
 
 sequence_conv_pool
 ------------------
 
-..  autofunction:: paddle.v2.fluid.nets.sequence_conv_pool
+..  autofunction:: paddle.fluid.nets.sequence_conv_pool
     :noindex:
 
 glu
 ---
 
-..  autofunction:: paddle.v2.fluid.nets.glu
+..  autofunction:: paddle.fluid.nets.glu
     :noindex:
 
 scaled_dot_product_attention
 ----------------------------
 
-..  autofunction:: paddle.v2.fluid.nets.scaled_dot_product_attention
+..  autofunction:: paddle.fluid.nets.scaled_dot_product_attention
     :noindex:
 

doc/api/v2/fluid/optimizer.rst

@@ -8,42 +8,42 @@ optimizer
 SGD
 ---
 
-..  autoclass:: paddle.v2.fluid.optimizer.SGD
+..  autoclass:: paddle.fluid.optimizer.SGD
     :members:
     :noindex:
 
 Momentum
 --------
 
-..  autoclass:: paddle.v2.fluid.optimizer.Momentum
+..  autoclass:: paddle.fluid.optimizer.Momentum
     :members:
     :noindex:
 
 Adagrad
 -------
 
-..  autoclass:: paddle.v2.fluid.optimizer.Adagrad
+..  autoclass:: paddle.fluid.optimizer.Adagrad
     :members:
     :noindex:
 
 Adam
 ----
 
-..  autoclass:: paddle.v2.fluid.optimizer.Adam
+..  autoclass:: paddle.fluid.optimizer.Adam
     :members:
     :noindex:
 
 Adamax
 ------
 
-..  autoclass:: paddle.v2.fluid.optimizer.Adamax
+..  autoclass:: paddle.fluid.optimizer.Adamax
     :members:
     :noindex:
 
 DecayedAdagrad
 --------------
 
-..  autoclass:: paddle.v2.fluid.optimizer.DecayedAdagrad
+..  autoclass:: paddle.fluid.optimizer.DecayedAdagrad
     :members:
     :noindex:
 

doc/api/v2/fluid/param_attr.rst

@@ -8,14 +8,14 @@ param_attr
 ParamAttr
 ---------
 
-..  autoclass:: paddle.v2.fluid.param_attr.ParamAttr
+..  autoclass:: paddle.fluid.param_attr.ParamAttr
     :members:
     :noindex:
 
 WeightNormParamAttr
 -------------------
 
-..  autoclass:: paddle.v2.fluid.param_attr.WeightNormParamAttr
+..  autoclass:: paddle.fluid.param_attr.WeightNormParamAttr
     :members:
     :noindex:
 

doc/api/v2/fluid/profiler.rst

@@ -8,18 +8,18 @@ profiler
 cuda_profiler
 -------------
 
-..  autofunction:: paddle.v2.fluid.profiler.cuda_profiler
+..  autofunction:: paddle.fluid.profiler.cuda_profiler
     :noindex:
 
 reset_profiler
 --------------
 
-..  autofunction:: paddle.v2.fluid.profiler.reset_profiler
+..  autofunction:: paddle.fluid.profiler.reset_profiler
     :noindex:
 
 profiler
 --------
 
-..  autofunction:: paddle.v2.fluid.profiler.profiler
+..  autofunction:: paddle.fluid.profiler.profiler
     :noindex:
 

doc/api/v2/fluid/regularizer.rst

@@ -8,20 +8,20 @@ regularizer
 append_regularization_ops
 -------------------------
 
-..  autofunction:: paddle.v2.fluid.regularizer.append_regularization_ops
+..  autofunction:: paddle.fluid.regularizer.append_regularization_ops
     :noindex:
 
 L1Decay
 -------
 
-..  autoclass:: paddle.v2.fluid.regularizer.L1Decay
+..  autoclass:: paddle.fluid.regularizer.L1Decay
     :members:
     :noindex:
 
 L2Decay
 -------
 
-..  autoclass:: paddle.v2.fluid.regularizer.L2Decay
+..  autoclass:: paddle.fluid.regularizer.L2Decay
     :members:
     :noindex:
 

doc/templates/conf.py.cn.in

@@ -18,6 +18,7 @@ import shlex
 from recommonmark import parser, transform
 import paddle
 import paddle.v2
+import paddle.fluid
 
 MarkdownParser = parser.CommonMarkParser
 AutoStructify = transform.AutoStructify

doc/templates/conf.py.en.in

@@ -18,6 +18,7 @@ import shlex
 from recommonmark import parser, transform
 import paddle
 import paddle.v2
+import paddle.fluid
 
 
 MarkdownParser = parser.CommonMarkParser

paddle/fluid/framework/CMakeLists.txt

@@ -68,9 +68,9 @@ py_proto_compile(framework_py_proto SRCS framework.proto)
 add_custom_target(framework_py_proto_init ALL COMMAND ${CMAKE_COMMAND} -E touch __init__.py)
 add_dependencies(framework_py_proto framework_py_proto_init)
 add_custom_command(TARGET framework_py_proto POST_BUILD
-    COMMAND ${CMAKE_COMMAND} -E make_directory ${PADDLE_SOURCE_DIR}/python/paddle/v2/fluid/proto
-    COMMAND cp *.py ${PADDLE_SOURCE_DIR}/python/paddle/v2/fluid/proto/
-    COMMENT "Copy generated python proto into directory paddle/v2/fluid/proto."
+    COMMAND ${CMAKE_COMMAND} -E make_directory ${PADDLE_SOURCE_DIR}/python/paddle/fluid/proto
+    COMMAND cp *.py ${PADDLE_SOURCE_DIR}/python/paddle/fluid/proto/
+    COMMENT "Copy generated python proto into directory paddle/fluid/proto."
     WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
 
 cc_library(backward SRCS backward.cc DEPS net_op)

paddle/fluid/inference/tests/book/CMakeLists.txt

@@ -4,7 +4,7 @@ function(inference_test TARGET_NAME)
   set(multiValueArgs ARGS)
   cmake_parse_arguments(inference_test "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
 
-  set(PYTHON_TESTS_DIR ${PADDLE_SOURCE_DIR}/python/paddle/v2/fluid/tests)
+  set(PYTHON_TESTS_DIR ${PADDLE_SOURCE_DIR}/python/paddle/fluid/tests)
   set(arg_list "")
   if(inference_test_ARGS)
     foreach(arg ${inference_test_ARGS})

python/CMakeLists.txt

@@ -3,12 +3,14 @@ file(GLOB TRAINER_PY_FILES . ./paddle/trainer/*.py)
 file(GLOB HELPERS_PY_FILES . ./paddle/trainer_config_helpers/*.py)
 file(GLOB UTILS_PY_FILES . ./paddle/utils/*.py)
 file(GLOB_RECURSE V2_PY_FILES ./paddle/v2/ *.py)
+file(GLOB_RECURSE FLUID_PY_FILES ./paddle/fluid/ *.py)
 
 set(PY_FILES paddle/__init__.py
   ${TRAINER_PY_FILES}
   ${HELPERS_PY_FILES}
   ${UTILS_PY_FILES}
-  ${V2_PY_FILES})
+  ${V2_PY_FILES}
+  ${FLUID_PY_FILES})
 
 add_custom_target(copy_paddle_master)
 
@@ -43,10 +45,10 @@ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/setup.py.in
     ${CMAKE_CURRENT_BINARY_DIR}/setup.py)
 
 
-add_custom_command(OUTPUT ${PADDLE_SOURCE_DIR}/python/paddle/v2/fluid/core.so
-        COMMAND cmake -E copy $<TARGET_FILE:paddle_pybind> ${PADDLE_SOURCE_DIR}/python/paddle/v2/fluid/core.so
+add_custom_command(OUTPUT ${PADDLE_SOURCE_DIR}/python/paddle/fluid/core.so
+        COMMAND cmake -E copy $<TARGET_FILE:paddle_pybind> ${PADDLE_SOURCE_DIR}/python/paddle/fluid/core.so
         DEPENDS paddle_pybind)
-add_custom_target(copy_paddle_pybind ALL DEPENDS ${PADDLE_SOURCE_DIR}/python/paddle/v2/fluid/core.so)
+add_custom_target(copy_paddle_pybind ALL DEPENDS ${PADDLE_SOURCE_DIR}/python/paddle/fluid/core.so)
 
 
 add_custom_command(OUTPUT ${PADDLE_PYTHON_BUILD_DIR}/.timestamp
@@ -72,7 +74,7 @@ if (WITH_TESTING)
     add_subdirectory(paddle/v2/tests)
     add_subdirectory(paddle/v2/reader/tests)
     add_subdirectory(paddle/v2/plot/tests)
-    add_subdirectory(paddle/v2/fluid/tests)
+    add_subdirectory(paddle/fluid/tests)
   endif()
 endif()
 install(DIRECTORY ${PADDLE_PYTHON_PACKAGE_DIR}

python/paddle/v2/fluid/backward.py → python/paddle/fluid/backward.py

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from paddle.v2.fluid import framework as framework
+from paddle.fluid import framework as framework
 from . import core
 import collections
 import copy

python/paddle/v2/fluid/default_scope_funcs.py → python/paddle/fluid/default_scope_funcs.py

@@ -26,7 +26,7 @@ A `scoped_function` will take a `function` as input. That function will be
 invoked in a new local scope.
 """
 
-import paddle.v2.fluid.core
+import paddle.fluid.core
 import threading
 
 __tl_scope__ = threading.local()
@@ -44,13 +44,13 @@ __all__ = [
 def get_cur_scope():
     """
     Get current scope.
-    :rtype: paddle.v2.fluid.core.Scope
+    :rtype: paddle.fluid.core.Scope
     """
     cur_scope_stack = getattr(__tl_scope__, 'cur_scope', None)
     if cur_scope_stack is None:
         __tl_scope__.cur_scope = list()
     if len(__tl_scope__.cur_scope) == 0:
-        __tl_scope__.cur_scope.append(paddle.v2.fluid.core.Scope())
+        __tl_scope__.cur_scope.append(paddle.fluid.core.Scope())
     return __tl_scope__.cur_scope[-1]
 
 

python/paddle/v2/fluid/io.py → python/paddle/fluid/io.py

@@ -14,8 +14,8 @@
 
 import os
 
-from paddle.v2.fluid.evaluator import Evaluator
-from paddle.v2.fluid.framework import Program, Parameter, default_main_program, Variable
+from paddle.fluid.evaluator import Evaluator
+from paddle.fluid.framework import Program, Parameter, default_main_program, Variable
 from . import core
 
 __all__ = [

python/paddle/v2/fluid/layer_helper.py → python/paddle/fluid/layer_helper.py

@@ -17,7 +17,7 @@ import itertools
 
 from framework import Variable, Parameter, default_main_program, default_startup_program, dtype_is_floating
 import unique_name
-from paddle.v2.fluid.initializer import Constant, Xavier
+from paddle.fluid.initializer import Constant, Xavier
 from param_attr import ParamAttr, WeightNormParamAttr
 
 

python/paddle/v2/fluid/net_drawer.py → python/paddle/fluid/net_drawer.py

@@ -17,8 +17,8 @@ import json
 import logging
 from collections import defaultdict
 
-import paddle.v2.fluid.core as core
-import paddle.v2.fluid.proto.framework_pb2 as framework_pb2
+import paddle.fluid.core as core
+import paddle.fluid.proto.framework_pb2 as framework_pb2
 
 logger = logging.getLogger(__name__)
 logger.setLevel(logging.INFO)

python/paddle/v2/fluid/op.py → python/paddle/fluid/op.py

@@ -12,8 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import paddle.v2.fluid.core as core
-import paddle.v2.fluid.proto.framework_pb2 as framework_pb2
+import paddle.fluid.core as core
+import paddle.fluid.proto.framework_pb2 as framework_pb2
 
 
 def get_all_op_protos():

python/paddle/v2/fluid/tests/book/notest_rnn_encoder_decoer.py → python/paddle/fluid/tests/book/notest_rnn_encoder_decoer.py

@@ -14,15 +14,15 @@
 
 import numpy as np
 import paddle.v2 as paddle
-import paddle.v2.fluid as fluid
-import paddle.v2.fluid.core as core
-import paddle.v2.fluid.framework as framework
-import paddle.v2.fluid.layers as layers
+import paddle.fluid as fluid
+import paddle.fluid.core as core
+import paddle.fluid.framework as framework
+import paddle.fluid.layers as layers
 import contextlib
 import math
 import sys
 import unittest
-from paddle.v2.fluid.executor import Executor
+from paddle.fluid.executor import Executor
 
 dict_size = 30000
 source_dict_dim = target_dict_dim = dict_size

python/paddle/v2/fluid/tests/book/test_fit_a_line.py → python/paddle/fluid/tests/book/test_fit_a_line.py

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 import paddle.v2 as paddle
-import paddle.v2.fluid as fluid
+import paddle.fluid as fluid
 import contextlib
 import numpy
 import unittest

python/paddle/v2/fluid/tests/book/test_image_classification.py → python/paddle/fluid/tests/book/test_image_classification.py

@@ -15,7 +15,7 @@
 from __future__ import print_function
 
 import paddle.v2 as paddle
-import paddle.v2.fluid as fluid
+import paddle.fluid as fluid
 import contextlib
 import math
 import sys

python/paddle/v2/fluid/tests/book/test_label_semantic_roles.py → python/paddle/fluid/tests/book/test_label_semantic_roles.py

@@ -17,8 +17,8 @@ import math
 import numpy as np
 import paddle.v2 as paddle
 import paddle.v2.dataset.conll05 as conll05
-import paddle.v2.fluid as fluid
-from paddle.v2.fluid.initializer import init_on_cpu
+import paddle.fluid as fluid
+from paddle.fluid.initializer import init_on_cpu
 import contextlib
 import time
 import unittest

python/paddle/v2/fluid/tests/book/test_machine_translation.py → python/paddle/fluid/tests/book/test_machine_translation.py

@@ -15,10 +15,10 @@ import contextlib
 
 import numpy as np
 import paddle.v2 as paddle
-import paddle.v2.fluid as fluid
-import paddle.v2.fluid.framework as framework
-import paddle.v2.fluid.layers as pd
-from paddle.v2.fluid.executor import Executor
+import paddle.fluid as fluid
+import paddle.fluid.framework as framework
+import paddle.fluid.layers as pd
+from paddle.fluid.executor import Executor
 import unittest
 
 dict_size = 30000

python/paddle/v2/fluid/tests/book/test_recognize_digits.py → python/paddle/fluid/tests/book/test_recognize_digits.py

@@ -13,7 +13,7 @@
 # limitations under the License.
 from __future__ import print_function
 import argparse
-import paddle.v2.fluid as fluid
+import paddle.fluid as fluid
 import paddle.v2 as paddle
 import sys
 import numpy

python/paddle/v2/fluid/tests/book/test_recommender_system.py → python/paddle/fluid/tests/book/test_recommender_system.py

@@ -16,12 +16,12 @@ import math
 import sys
 import numpy as np
 import paddle.v2 as paddle
-import paddle.v2.fluid as fluid
-import paddle.v2.fluid.framework as framework
-import paddle.v2.fluid.layers as layers
-import paddle.v2.fluid.nets as nets
-from paddle.v2.fluid.executor import Executor
-from paddle.v2.fluid.optimizer import SGDOptimizer
+import paddle.fluid as fluid
+import paddle.fluid.framework as framework
+import paddle.fluid.layers as layers
+import paddle.fluid.nets as nets
+from paddle.fluid.executor import Executor
+from paddle.fluid.optimizer import SGDOptimizer
 
 IS_SPARSE = True
 USE_GPU = False

python/paddle/v2/fluid/tests/book/test_understand_sentiment.py → python/paddle/fluid/tests/book/test_understand_sentiment.py

@@ -14,7 +14,7 @@
 from __future__ import print_function
 
 import unittest
-import paddle.v2.fluid as fluid
+import paddle.fluid as fluid
 import paddle.v2 as paddle
 import contextlib
 import math

python/paddle/v2/fluid/tests/book/test_word2vec.py → python/paddle/fluid/tests/book/test_word2vec.py

@@ -12,7 +12,7 @@
 # limitations under the License.
 
 import paddle.v2 as paddle
-import paddle.v2.fluid as fluid
+import paddle.fluid as fluid
 import unittest
 import os
 import numpy as np

python/paddle/v2/fluid/tests/book_distribute/notest_dist_fit_a_line.py → python/paddle/fluid/tests/book_distribute/notest_dist_fit_a_line.py

@@ -14,7 +14,7 @@
 
 import numpy as np
 import paddle.v2 as paddle
-import paddle.v2.fluid as fluid
+import paddle.fluid as fluid
 import os
 
 x = fluid.layers.data(name='x', shape=[13], dtype='float32')

python/paddle/v2/fluid/tests/book_distribute/notest_dist_image_classification.py → python/paddle/fluid/tests/book_distribute/notest_dist_image_classification.py

@@ -15,7 +15,7 @@
 from __future__ import print_function
 
 import paddle.v2 as paddle
-import paddle.v2.fluid as fluid
+import paddle.fluid as fluid
 import os
 import sys
 

python/paddle/v2/fluid/tests/book_distribute/notest_dist_label_semantic_roles.py → python/paddle/fluid/tests/book_distribute/notest_dist_label_semantic_roles.py

@@ -17,7 +17,7 @@ import math
 import numpy as np
 import paddle.v2 as paddle
 import paddle.v2.dataset.conll05 as conll05
-import paddle.v2.fluid as fluid
+import paddle.fluid as fluid
 import time
 import os
 

python/paddle/v2/fluid/tests/book_distribute/notest_dist_word2vec.py → python/paddle/fluid/tests/book_distribute/notest_dist_word2vec.py

@@ -15,7 +15,7 @@
 from __future__ import print_function
 import numpy as np
 import paddle.v2 as paddle
-import paddle.v2.fluid as fluid
+import paddle.fluid as fluid
 import os
 
 PASS_NUM = 100

python/paddle/v2/fluid/tests/book_distribute/notest_machine_translation.py → python/paddle/fluid/tests/book_distribute/notest_machine_translation.py

@@ -14,11 +14,11 @@
 
 import numpy as np
 import paddle.v2 as paddle
-import paddle.v2.fluid as fluid
-import paddle.v2.fluid.core as core
-import paddle.v2.fluid.framework as framework
-import paddle.v2.fluid.layers as layers
-from paddle.v2.fluid.executor import Executor
+import paddle.fluid as fluid
+import paddle.fluid.core as core
+import paddle.fluid.framework as framework
+import paddle.fluid.layers as layers
+from paddle.fluid.executor import Executor
 import os
 
 dict_size = 30000

python/paddle/v2/fluid/tests/book_distribute/notest_recognize_digits_conv_dist.py → python/paddle/fluid/tests/book_distribute/notest_recognize_digits_conv_dist.py

@@ -15,7 +15,7 @@
 from __future__ import print_function
 import numpy as np
 import paddle.v2 as paddle
-import paddle.v2.fluid as fluid
+import paddle.fluid as fluid
 import os
 
 images = fluid.layers.data(name='pixel', shape=[1, 28, 28], dtype='float32')

python/paddle/v2/fluid/tests/book_distribute/notest_recognize_digits_mlp_dist.py → python/paddle/fluid/tests/book_distribute/notest_recognize_digits_mlp_dist.py

@@ -15,7 +15,7 @@
 from __future__ import print_function
 import numpy as np
 import paddle.v2 as paddle
-import paddle.v2.fluid as fluid
+import paddle.fluid as fluid
 import os
 
 BATCH_SIZE = 128

python/paddle/v2/fluid/tests/book_distribute/notest_recommender_system_dist.py → python/paddle/fluid/tests/book_distribute/notest_recommender_system_dist.py

@@ -15,11 +15,11 @@
 import numpy as np
 import os
 import paddle.v2 as paddle
-import paddle.v2.fluid as fluid
-import paddle.v2.fluid.core as core
-import paddle.v2.fluid.layers as layers
-import paddle.v2.fluid.nets as nets
-from paddle.v2.fluid.optimizer import SGDOptimizer
+import paddle.fluid as fluid
+import paddle.fluid.core as core
+import paddle.fluid.layers as layers
+import paddle.fluid.nets as nets
+from paddle.fluid.optimizer import SGDOptimizer
 
 IS_SPARSE = True
 BATCH_SIZE = 256

python/paddle/v2/fluid/tests/book_distribute/notest_understand_sentiment_conv_dist.py → python/paddle/fluid/tests/book_distribute/notest_understand_sentiment_conv_dist.py

@@ -16,7 +16,7 @@ from __future__ import print_function
 import os
 import numpy as np
 import paddle.v2 as paddle
-import paddle.v2.fluid as fluid
+import paddle.fluid as fluid
 
 
 def convolution_net(data, label, input_dim, class_dim=2, emb_dim=32,

python/paddle/v2/fluid/tests/book_distribute/notest_understand_sentiment_dynamic_lstm.py → python/paddle/fluid/tests/book_distribute/notest_understand_sentiment_dynamic_lstm.py

@@ -15,7 +15,7 @@
 import numpy as np
 import os
 import paddle.v2 as paddle
-import paddle.v2.fluid as fluid
+import paddle.fluid as fluid
 
 
 def stacked_lstm_net(data,

python/paddle/v2/fluid/tests/book_memory_optimization/test_memopt_fit_a_line.py → python/paddle/fluid/tests/book_memory_optimization/test_memopt_fit_a_line.py

@@ -14,7 +14,7 @@
 
 import numpy as np
 import paddle.v2 as paddle
-import paddle.v2.fluid as fluid
+import paddle.fluid as fluid
 import math
 import sys
 

python/paddle/v2/fluid/tests/book_memory_optimization/test_memopt_image_classification_train.py → python/paddle/fluid/tests/book_memory_optimization/test_memopt_image_classification_train.py

@@ -17,7 +17,7 @@ from __future__ import print_function
 import sys
 
 import paddle.v2 as paddle
-import paddle.v2.fluid as fluid
+import paddle.fluid as fluid
 import math
 import sys
 

python/paddle/v2/fluid/tests/book_memory_optimization/test_memopt_machine_translation.py → python/paddle/fluid/tests/book_memory_optimization/test_memopt_machine_translation.py

@@ -14,11 +14,11 @@
 
 import numpy as np
 import paddle.v2 as paddle
-import paddle.v2.fluid as fluid
-import paddle.v2.fluid.core as core
-import paddle.v2.fluid.framework as framework
-import paddle.v2.fluid.layers as layers
-from paddle.v2.fluid.executor import Executor
+import paddle.fluid as fluid
+import paddle.fluid.core as core
+import paddle.fluid.framework as framework
+import paddle.fluid.layers as layers
+from paddle.fluid.executor import Executor
 import math
 import sys
 

python/paddle/v2/fluid/tests/demo/fc_gan.py → python/paddle/fluid/tests/demo/fc_gan.py

@@ -20,7 +20,7 @@ import matplotlib
 import numpy
 
 import paddle.v2 as paddle
-import paddle.v2.fluid as fluid
+import paddle.fluid as fluid
 
 matplotlib.use('Agg')
 import matplotlib.pyplot as plt

python/paddle/v2/fluid/tests/notest_concurrency.py → python/paddle/fluid/tests/notest_concurrency.py

@@ -13,9 +13,9 @@
 # limitations under the License.
 
 import unittest
-import paddle.v2.fluid as fluid
-import paddle.v2.fluid.core as core
-from paddle.v2.fluid.executor import Executor
+import paddle.fluid as fluid
+import paddle.fluid.core as core
+from paddle.fluid.executor import Executor
 
 
 class TestRoutineOp(unittest.TestCase):

python/paddle/v2/fluid/tests/notest_csp.py → python/paddle/fluid/tests/notest_csp.py

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 import unittest
-import paddle.v2.fluid as fluid
+import paddle.fluid as fluid
 
 
 class TestCSPFramework(unittest.TestCase):

python/paddle/v2/fluid/tests/test_cpp_reader.py → python/paddle/fluid/tests/test_cpp_reader.py

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 import paddle.v2 as paddle
-import paddle.v2.fluid as fluid
+import paddle.fluid as fluid
 import numpy as np
 
 prog = fluid.framework.Program()

python/paddle/v2/fluid/tests/test_data_feeder.py → python/paddle/fluid/tests/test_data_feeder.py

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import paddle.v2.fluid as fluid
+import paddle.fluid as fluid
 
 
 def test_converter():

python/paddle/v2/fluid/tests/test_detection.py → python/paddle/fluid/tests/test_detection.py

@@ -13,9 +13,9 @@
 # limitations under the License.
 
 from __future__ import print_function
-import paddle.v2.fluid as fluid
-import paddle.v2.fluid.layers as layers
-from paddle.v2.fluid.framework import Program, program_guard
+import paddle.fluid as fluid
+import paddle.fluid.layers as layers
+from paddle.fluid.framework import Program, program_guard
 import unittest
 
 

python/paddle/v2/fluid/tests/test_error_clip.py → python/paddle/fluid/tests/test_error_clip.py

@@ -15,7 +15,7 @@
 from __future__ import print_function
 import numpy as np
 import paddle.v2 as paddle
-import paddle.v2.fluid as fluid
+import paddle.fluid as fluid
 
 BATCH_SIZE = 128
 CLIP_MAX = 2e-6

python/paddle/v2/fluid/tests/test_gradient_clip.py → python/paddle/fluid/tests/test_gradient_clip.py

@@ -14,7 +14,7 @@
 
 import numpy as np
 import paddle.v2 as paddle
-import paddle.v2.fluid as fluid
+import paddle.fluid as fluid
 
 BATCH_SIZE = 128
 CLIP = 1

python/paddle/v2/fluid/tests/test_mnist_if_else_op.py → python/paddle/fluid/tests/test_mnist_if_else_op.py

@@ -12,11 +12,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import paddle.v2.fluid.layers as layers
-from paddle.v2.fluid.framework import Program, program_guard, default_main_program, default_startup_program
-from paddle.v2.fluid.executor import Executor
-from paddle.v2.fluid.optimizer import MomentumOptimizer
-import paddle.v2.fluid.core as core
+import paddle.fluid.layers as layers
+from paddle.fluid.framework import Program, program_guard, default_main_program, default_startup_program
+from paddle.fluid.executor import Executor
+from paddle.fluid.optimizer import MomentumOptimizer
+import paddle.fluid.core as core
 import paddle.v2 as paddle
 import unittest
 import numpy as np

python/paddle/v2/fluid/tests/test_python_operator_overriding.py → python/paddle/fluid/tests/test_python_operator_overriding.py

@@ -16,9 +16,9 @@ import unittest
 
 import numpy as np
 
-import paddle.v2.fluid.layers as layers
-import paddle.v2.fluid.framework as framework
-import paddle.v2.fluid as fluid
+import paddle.fluid.layers as layers
+import paddle.fluid.framework as framework
+import paddle.fluid as fluid
 
 
 class TestPythonOperatorOverride(unittest.TestCase):

python/paddle/v2/fluid/tests/unittests/decorators.py → python/paddle/fluid/tests/unittests/decorators.py

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import paddle.v2.fluid as fluid
+import paddle.fluid as fluid
 
 __all__ = ['many_times', 'prog_scope']
 

python/paddle/v2/fluid/tests/unittests/op_test.py → python/paddle/fluid/tests/unittests/op_test.py

@@ -16,12 +16,12 @@ import unittest
 import numpy as np
 import random
 import itertools
-import paddle.v2.fluid.core as core
+import paddle.fluid.core as core
 import collections
-from paddle.v2.fluid.backward import append_backward
-from paddle.v2.fluid.op import Operator
-from paddle.v2.fluid.executor import Executor
-from paddle.v2.fluid.framework import Program, OpProtoHolder
+from paddle.fluid.backward import append_backward
+from paddle.fluid.op import Operator
+from paddle.fluid.executor import Executor
+from paddle.fluid.framework import Program, OpProtoHolder
 
 
 def randomize_probability(batch_size, class_num, dtype='float32'):