Merge branch 'develop' into 'develop'

# Conflicts:
#   models/rank/din/reader.py

core/engine/cluster/cloud/cluster.sh

 #!/bin/bash
+# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 
 ###################################################
 # Usage: submit.sh

core/engine/cluster/cluster.py

@@ -15,10 +15,9 @@
 from __future__ import print_function
 from __future__ import unicode_literals
 
-import subprocess
-import sys
-import os
 import copy
+import os
+import subprocess
 
 from paddlerec.core.engine.engine import Engine
 from paddlerec.core.factory import TrainerFactory

core/engine/engine.py

@@ -29,4 +29,3 @@ class Engine:
     @abc.abstractmethod
     def run(self):
         pass
-

core/engine/local_cluster.py

@@ -14,10 +14,11 @@
 
 from __future__ import print_function
 from __future__ import unicode_literals
-import subprocess
-import sys
-import os
+
 import copy
+import os
+import sys
+import subprocess
 
 from paddlerec.core.engine.engine import Engine
 from paddlerec.core.utils import envs

core/engine/local_mpi.py

@@ -14,10 +14,11 @@
 
 from __future__ import print_function
 from __future__ import unicode_literals
-import subprocess
-import sys
-import os
+
 import copy
+import os
+import sys
+import subprocess
 
 from paddlerec.core.engine.engine import Engine
 

core/layer.py

@@ -25,17 +25,8 @@ class Layer(object):
         """
         pass
 
-    def generate(self, mode, param):
-        """R
-        """
-        if mode == 'fluid':
-            return self.generate_fluid(param)
-
-        print('unsupport this mode: ' + mode)
-        return None, None
-
     @abc.abstractmethod
-    def generate_fluid(self, param):
+    def generate(self, param):
         """R
         """
         pass

core/metric.py

@@ -53,7 +53,7 @@ class Metric(object):
         pass
 
     @abc.abstractmethod
-    def get_result_to_string(self):
+    def __str__(self):
         """
         Return:
             result(string) : calculate result with string format, for output

core/metrics/auc_metrics.py

@@ -13,8 +13,10 @@
 # limitations under the License.
 
 import math
+
 import numpy as np
 import paddle.fluid as fluid
+
 from paddlerec.core.metric import Metric
 
 
@@ -198,7 +200,7 @@ class AUCMetric(Metric):
         """ """
         return self._result
 
-    def get_result_to_string(self):
+    def __str__(self):
         """ """
         result = self.get_result()
         result_str = "%s AUC=%.6f BUCKET_ERROR=%.6f MAE=%.6f RMSE=%.6f " \

core/model.py

@@ -47,7 +47,7 @@ class Model(object):
     def get_infer_results(self):
         return self._infer_results
 
-    def get_cost_op(self):
+    def get_avg_cost(self):
         """R
         """
         return self._cost

core/modules/modul/build.py

@@ -12,10 +12,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import yaml
 import copy
+
 import paddle.fluid as fluid
 from paddle.fluid.incubate.fleet.parameter_server.pslib import fleet
+import yaml
 
 from paddlerec.core.model import Model
 from paddlerec.core.utils import table

core/modules/modul/layers.py

@@ -13,10 +13,11 @@
 # limitations under the License.
 
 import paddle.fluid as fluid
+
 from paddlerec.core.layer import Layer
 
 
-class EmbeddingInputLayer(Layer):
+class EmbeddingFuseLayer(Layer):
     """R
     """
 
@@ -31,7 +32,7 @@ class EmbeddingInputLayer(Layer):
         self._emb_dim = self._mf_dim + 3  # append show ctr lr
         self._emb_layers = []
 
-    def generate_fluid(self, param):
+    def generate(self, param):
         """R
         """
         show_clk = fluid.layers.concat(
@@ -63,7 +64,7 @@ class LabelInputLayer(Layer):
         self._data_type = config.get('data_type', "int64")
         self._label_idx = config['label_idx']
 
-    def generate_fluid(self, param):
+    def generate(self, param):
         """R
         """
         label = fluid.layers.data(name=self._name, shape=[-1, self._dim], \
@@ -85,7 +86,7 @@ class TagInputLayer(Layer):
         self._dim = config.get('dim', 1)
         self._data_type = config['data_type']
 
-    def generate_fluid(self, param):
+    def generate(self, param):
         """R
         """
         output = fluid.layers.data(name=self._name, shape=[-1, self._dim], \
@@ -107,7 +108,7 @@ class ParamLayer(Layer):
         self._data_type = config.get('data_type', 'float32')
         self._config = config
 
-    def generate_fluid(self, param):
+    def generate(self, param):
         """R
         """
         return self._config, {'inference_param': {'name': 'param', 'params': [], 'table_id': self._table_id}}
@@ -125,7 +126,7 @@ class SummaryLayer(Layer):
         self._data_type = config.get('data_type', 'float32')
         self._config = config
 
-    def generate_fluid(self, param):
+    def generate(self, param):
         """R
         """
         return self._config, {'inference_param': {'name': 'summary', 'params': [], 'table_id': self._table_id}}
@@ -143,7 +144,7 @@ class NormalizetionLayer(Layer):
         self._summary = config['summary']
         self._table_id = config.get('table_id', -1)
 
-    def generate_fluid(self, param):
+    def generate(self, param):
         """R
         """
         input_layer = param['layer'][self._input[0]]
@@ -158,7 +159,7 @@ class NormalizetionLayer(Layer):
                                         'params': inference_param, 'table_id': summary_layer.get('table_id', -1)}}
 
 
-class NeuralLayer(Layer):
+class FCLayer(Layer):
     """R
     """
 
@@ -171,7 +172,7 @@ class NeuralLayer(Layer):
         self._bias = config.get('bias', True)
         self._act_func = config.get('act_func', None)
 
-    def generate_fluid(self, param):
+    def generate(self, param):
         """R
         """
         param_layer = param['layer'][self._param]
@@ -199,7 +200,7 @@ class NeuralLayer(Layer):
                                         'table_id': param_layer.get('table_id', -1)}}
 
 
-class SigmoidLossLayer(Layer):
+class LogLossLayer(Layer):
     """R
     """
 
@@ -230,7 +231,7 @@ class SigmoidLossLayer(Layer):
             }
         }
 
-    def generate_fluid(self, param):
+    def generate(self, param):
         """R
         """
         input_layer = param['layer'][self._input[0]]

core/trainer.py

@@ -12,14 +12,14 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os
-import sys
-
 import abc
+import os
 import time
+import sys
 import yaml
 
 from paddle import fluid
+
 from paddlerec.core.utils import envs
 
 

core/trainers/__init__.py

+# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""
+trainer implement.
+
+          ↗ (single/cluster) CtrTrainer
+Trainer
+                               ↗ (for single  training) SingleTrainer/TDMSingleTrainer
+          ↘ TranspilerTrainer →  (for cluster training) ClusterTrainer/TDMClusterTrainer
+                               ↘  (for online learning training) OnlineLearningTrainer
+
+"""
+
+

core/trainers/cluster_trainer.py

@@ -25,7 +25,6 @@ import paddle.fluid as fluid
 from paddle.fluid.incubate.fleet.parameter_server.distribute_transpiler import fleet
 from paddle.fluid.incubate.fleet.parameter_server.distribute_transpiler.distributed_strategy import StrategyFactory
 from paddle.fluid.incubate.fleet.base.role_maker import PaddleCloudRoleMaker
-from paddle.fluid.incubate.fleet.base.role_maker import MPISymetricRoleMaker
 
 from paddlerec.core.utils import envs
 from paddlerec.core.trainers.transpiler_trainer import TranspileTrainer
@@ -83,7 +82,7 @@ class ClusterTrainer(TranspileTrainer):
 
         strategy = self.build_strategy()
         optimizer = fleet.distributed_optimizer(optimizer, strategy)
-        optimizer.minimize(self.model.get_cost_op())
+        optimizer.minimize(self.model.get_avg_cost())
 
         if fleet.is_server():
             context['status'] = 'server_pass'
@@ -115,7 +114,7 @@ class ClusterTrainer(TranspileTrainer):
 
         program = fluid.compiler.CompiledProgram(
             fleet.main_program).with_data_parallel(
-            loss_name=self.model.get_cost_op().name,
+            loss_name=self.model.get_avg_cost().name,
             build_strategy=self.strategy.get_build_strategy(),
             exec_strategy=self.strategy.get_execute_strategy())
 

core/trainers/ctr_coding_trainer.py

@@ -11,9 +11,10 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
 import os
-import numpy as np
 
+import numpy as np
 import paddle.fluid as fluid
 from paddle.fluid.incubate.fleet.parameter_server.pslib import fleet
 from paddle.fluid.incubate.fleet.base.role_maker import MPISymetricRoleMaker
@@ -22,7 +23,7 @@ from paddlerec.core.utils import envs
 from paddlerec.core.trainer import Trainer
 
 
-class CtrPaddleTrainer(Trainer):
+class CtrTrainer(Trainer):
     """R
     """
 
@@ -87,7 +88,7 @@ class CtrPaddleTrainer(Trainer):
         optimizer = self.model.optimizer()
 
         optimizer = fleet.distributed_optimizer(optimizer, strategy={"use_cvm": False})
-        optimizer.minimize(self.model.get_cost_op())
+        optimizer.minimize(self.model.get_avg_cost())
 
         if fleet.is_server():
             context['status'] = 'server_pass'

core/trainers/ctr_modul_trainer.py

@@ -13,12 +13,12 @@
 # limitations under the License.
 
 
+import datetime
+import json
 import sys
 import time
-import json
-import datetime
-import numpy as np
 
+import numpy as np
 import paddle.fluid as fluid
 from paddle.fluid.incubate.fleet.parameter_server.pslib import fleet
 from paddle.fluid.incubate.fleet.base.role_maker import GeneralRoleMaker
@@ -72,7 +72,7 @@ def worker_numric_max(value, env="mpi"):
     return wroker_numric_opt(value, env, "max")
 
 
-class CtrPaddleTrainer(Trainer):
+class CtrTrainer(Trainer):
     """R
     """
 
@@ -129,7 +129,7 @@ class CtrPaddleTrainer(Trainer):
             model = self._exector_context[executor['name']]['model']
             self._metrics.update(model.get_metrics())
             runnnable_scope.append(scope)
-            runnnable_cost_op.append(model.get_cost_op())
+            runnnable_cost_op.append(model.get_avg_cost())
             for var in model._data_var:
                 if var.name in data_var_name_dict:
                     continue
@@ -146,7 +146,7 @@ class CtrPaddleTrainer(Trainer):
             model = self._exector_context[executor['name']]['model']
             program = model._build_param['model']['train_program']
             if not executor['is_update_sparse']:
-                program._fleet_opt["program_configs"][str(id(model.get_cost_op().block.program))]["push_sparse"] = []
+                program._fleet_opt["program_configs"][str(id(model.get_avg_cost().block.program))]["push_sparse"] = []
             if 'train_thread_num' not in executor:
                 executor['train_thread_num'] = self.global_config['train_thread_num']
             with fluid.scope_guard(scope):

core/trainers/online_learning_trainer.py

@@ -18,9 +18,9 @@ Training use fluid with one node only.
 
 from __future__ import print_function
 
+import datetime
 import os
 import time
-import datetime
 
 import paddle.fluid as fluid
 from paddle.fluid.incubate.fleet.parameter_server.distribute_transpiler import fleet
@@ -31,7 +31,7 @@ from paddlerec.core.utils import envs
 from paddlerec.core.trainers.transpiler_trainer import TranspileTrainer
 
 
-class ClusterTrainer(TranspileTrainer):
+class OnlineLearningTrainer(TranspileTrainer):
     def processor_register(self):
         role = PaddleCloudRoleMaker()
         fleet.init(role)
@@ -78,7 +78,7 @@ class ClusterTrainer(TranspileTrainer):
         optimizer = self.model.optimizer()
         strategy = self.build_strategy()
         optimizer = fleet.distributed_optimizer(optimizer, strategy)
-        optimizer.minimize(self.model.get_cost_op())
+        optimizer.minimize(self.model.get_avg_cost())
 
         if fleet.is_server():
             context['status'] = 'server_pass'

core/trainers/single_trainer.py

@@ -17,14 +17,14 @@ Training use fluid with one node only.
 """
 
 from __future__ import print_function
-import logging
+
 import time
+import logging
 
 import paddle.fluid as fluid
 
 from paddlerec.core.trainers.transpiler_trainer import TranspileTrainer
 from paddlerec.core.utils import envs
-import numpy as np
 
 logging.basicConfig(format="%(asctime)s - %(levelname)s - %(message)s")
 logger = logging.getLogger("fluid")
@@ -36,7 +36,8 @@ class SingleTrainer(TranspileTrainer):
         self.regist_context_processor('uninit', self.instance)
         self.regist_context_processor('init_pass', self.init)
         self.regist_context_processor('startup_pass', self.startup)
-        if envs.get_platform() == "LINUX" and envs.get_global_env("dataset_class", None, "train.reader") != "DataLoader":
+        if envs.get_platform() == "LINUX" and envs.get_global_env("dataset_class", None,
+                                                                  "train.reader") != "DataLoader":
             self.regist_context_processor('train_pass', self.dataset_train)
         else:
             self.regist_context_processor('train_pass', self.dataloader_train)
@@ -47,7 +48,7 @@ class SingleTrainer(TranspileTrainer):
     def init(self, context):
         self.model.train_net()
         optimizer = self.model.optimizer()
-        optimizer.minimize((self.model.get_cost_op()))
+        optimizer.minimize((self.model.get_avg_cost()))
 
         self.fetch_vars = []
         self.fetch_alias = []
@@ -74,7 +75,7 @@ class SingleTrainer(TranspileTrainer):
 
         program = fluid.compiler.CompiledProgram(
             fluid.default_main_program()).with_data_parallel(
-            loss_name=self.model.get_cost_op().name)
+            loss_name=self.model.get_avg_cost().name)
 
         metrics_varnames = []
         metrics_format = []
@@ -122,8 +123,8 @@ class SingleTrainer(TranspileTrainer):
                                          fetch_info=self.fetch_alias,
                                          print_period=self.fetch_period)
             end_time = time.time()
-            times = end_time-begin_time
-            print("epoch {} using time {}, speed {:.2f} lines/s".format(i, times, ins/times))
+            times = end_time - begin_time
+            print("epoch {} using time {}, speed {:.2f} lines/s".format(i, times, ins / times))
 
             self.save(i, "train", is_fleet=False)
         context['status'] = 'infer_pass'

core/trainers/tdm_cluster_trainer.py

@@ -17,17 +17,16 @@ Training use fluid with one node only.
 """
 
 from __future__ import print_function
+
 import logging
+
 import numpy as np
 import paddle.fluid as fluid
 from paddle.fluid.incubate.fleet.parameter_server.distribute_transpiler import fleet
-from paddle.fluid.incubate.fleet.parameter_server.distribute_transpiler.distributed_strategy import StrategyFactory
-from paddle.fluid.incubate.fleet.base.role_maker import PaddleCloudRoleMaker
 
 from paddlerec.core.utils import envs
 from paddlerec.core.trainers.cluster_trainer import ClusterTrainer
 
-
 logging.basicConfig(format="%(asctime)s - %(levelname)s - %(message)s")
 logger = logging.getLogger("fluid")
 logger.setLevel(logging.INFO)

core/trainers/tdm_single_trainer.py

@@ -18,12 +18,11 @@ Training use fluid with one node only.
 
 from __future__ import print_function
 import logging
-import paddle.fluid as fluid
 
-from paddlerec.core.trainers.transpiler_trainer import TranspileTrainer
+import numpy as np
+import paddle.fluid as fluid
 from paddlerec.core.trainers.single_trainer import SingleTrainer
 from paddlerec.core.utils import envs
-import numpy as np
 
 logging.basicConfig(format="%(asctime)s - %(levelname)s - %(message)s")
 logger = logging.getLogger("fluid")

core/trainers/transpiler_trainer.py

@@ -147,8 +147,8 @@ class TranspileTrainer(Trainer):
             if not need_save(epoch_id, save_interval, False):
                 return
 
-          #  print("save inference model is not supported now.")
-          #  return
+            #  print("save inference model is not supported now.")
+            #  return
 
             feed_varnames = envs.get_global_env(
                 "save.inference.feed_varnames", None, namespace)
@@ -248,7 +248,7 @@ class TranspileTrainer(Trainer):
                 'evaluate_model_path', "", namespace='evaluate'))]
 
         is_return_numpy = envs.get_global_env(
-            'is_return_numpy', True, namespace='evaluate') 
+            'is_return_numpy', True, namespace='evaluate')
 
         for (epoch, model_dir) in model_list:
             print("Begin to infer No.{} model, model_dir: {}".format(

core/utils/dataloader_instance.py

@@ -14,7 +14,6 @@
 from __future__ import print_function
 
 import os
-import sys
 
 from paddlerec.core.utils.envs import lazy_instance_by_fliename
 from paddlerec.core.utils.envs import get_global_env

core/utils/dataset.py → core/utils/dataset_holder.py

@@ -13,8 +13,8 @@
 # limitations under the License.
 
 import abc
-import time
 import datetime
+import time
 
 import paddle.fluid as fluid
 
@@ -22,7 +22,7 @@ from paddlerec.core.utils import fs as fs
 from paddlerec.core.utils import util as util
 
 
-class Dataset(object):
+class DatasetHolder(object):
     """
     Dataset Base
     """
@@ -62,7 +62,7 @@ class Dataset(object):
         pass
 
 
-class TimeSplitDataset(Dataset):
+class TimeSplitDatasetHolder(DatasetHolder):
     """
     Dataset with time split dir.  root_path/$DAY/$HOUR
     """
@@ -142,16 +142,6 @@ class TimeSplitDataset(Dataset):
             data_time = data_time + datetime.timedelta(minutes=self._split_interval)
         return data_file_list
 
-
-class FluidTimeSplitDataset(TimeSplitDataset):
-    """
-    A Dataset with time split for PaddleFluid
-    """
-
-    def __init__(self, config):
-        """ """
-        TimeSplitDataset.__init__(self, config)
-
     def _alloc_dataset(self, file_list):
         """ """
         dataset = fluid.DatasetFactory().create_dataset(self._config['dataset_type'])

core/utils/dataset_instance.py

@@ -11,6 +11,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
 from __future__ import print_function
 import sys
 

core/utils/envs.py

@@ -12,11 +12,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os
+from contextlib import closing
 import copy
-import sys
+import os
 import socket
-from contextlib import closing
+import sys
 
 global_envs = {}
 

core/utils/fs.py

@@ -13,6 +13,7 @@
 # limitations under the License.
 
 import os
+
 from paddle.fluid.incubate.fleet.utils.hdfs import HDFSClient
 
 
@@ -28,12 +29,12 @@ class LocalFSClient(object):
     """
     Util for local disk file_system io 
     """
-    
+
     def __init__(self):
         """R
         """
         pass
-    
+
     def write(self, content, path, mode):
         """
         write to file
@@ -43,7 +44,7 @@ class LocalFSClient(object):
             mode(string): w/a  w:clear_write a:append_write
         """
         temp_dir = os.path.dirname(path)
-        if not os.path.exists(temp_dir): 
+        if not os.path.exists(temp_dir):
             os.makedirs(temp_dir)
         f = open(path, mode)
         f.write(content)
@@ -75,7 +76,7 @@ class LocalFSClient(object):
         """R
         """
         os.system("rm -rf " + path)
-    
+
     def is_exist(self, path):
         """R
         """
@@ -94,13 +95,14 @@ class FileHandler(object):
     """
     A Smart file handler. auto judge local/afs by path 
     """
+
     def __init__(self, config):
         """R
         """
         if 'fs_name' in config:
-            hadoop_home="$HADOOP_HOME"
+            hadoop_home = "$HADOOP_HOME"
             hdfs_configs = {
-                "hadoop.job.ugi": config['fs_ugi'], 
+                "hadoop.job.ugi": config['fs_ugi'],
                 "fs.default.name": config['fs_name']
             }
             self._hdfs_client = HDFSClient(hadoop_home, hdfs_configs)
@@ -131,7 +133,8 @@ class FileHandler(object):
             if mode.find('a') >= 0:
                 org_content = self._hdfs_client.cat(dest_path)
             content = content + org_content
-            self._local_fs_client.write(content, temp_local_file, mode) #fleet hdfs_client only support upload, so write tmp file
+            self._local_fs_client.write(content, temp_local_file,
+                                        mode)  # fleet hdfs_client only support upload, so write tmp file
             self._hdfs_client.delete(dest_path + ".tmp")
             self._hdfs_client.upload(dest_path + ".tmp", temp_local_file)
             self._hdfs_client.delete(dest_path + ".bak")
@@ -139,7 +142,7 @@ class FileHandler(object):
             self._hdfs_client.rename(dest_path + ".tmp", dest_path)
         else:
             self._local_fs_client.write(content, dest_path, mode)
-    
+
     def cat(self, path):
         """R
         """
@@ -148,7 +151,7 @@ class FileHandler(object):
             return hdfs_cat
         else:
             return self._local_fs_client.cat(path)
-    
+
     def ls(self, path):
         """R
         """
@@ -160,7 +163,7 @@ class FileHandler(object):
             files = self._local_fs_client.ls(path)
             files = [path + '/' + fi for fi in files]  # absulte path
         return files
-    
+
     def cp(self, org_path, dest_path):
         """R
         """
@@ -170,6 +173,6 @@ class FileHandler(object):
             return self._local_fs_client.cp(org_path, dest_path)
         if not org_is_afs and dest_is_afs:
             return self._hdfs_client.upload(dest_path, org_path)
-        if org_is_afs and not dest_is_afs: 
+        if org_is_afs and not dest_is_afs:
             return self._hdfs_client.download(org_path, dest_path)
         print("Not Suppor hdfs cp currently")

core/utils/table.py

@@ -12,16 +12,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import copy
-import yaml
-
 
 class TableMeta(object):
     """
     Simple ParamTable Meta, Contain table_id
     """
     TableId = 1
-    
+
     @staticmethod
     def alloc_new_table(table_id):
         """

core/utils/util.py

@@ -12,11 +12,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import datetime
 import os
 import time
-import datetime
 
 from paddle import fluid
+
 from paddlerec.core.utils import fs as fs
 
 

doc/design.md

@@ -153,7 +153,7 @@ class Model(object):
     def infer_net(self):
         pass
 
-    def get_cost_op(self):
+    def get_avg_cost(self):
     return self._cost
 
 ```

models/contentunderstanding/classification/model.py

@@ -13,15 +13,9 @@
 # limitations under the License.
 
 import paddle.fluid as fluid
-import math
 
-from paddlerec.core.utils import envs
 from paddlerec.core.model import Model as ModelBase
 
-import paddle.fluid as fluid
-import paddle.fluid.layers.nn as nn
-import paddle.fluid.layers.tensor as tensor
-import paddle.fluid.layers.control_flow as cf
 
 class Model(ModelBase):
     def __init__(self, config):
@@ -36,7 +30,7 @@ class Model(ModelBase):
 
     def train_net(self):
         """ network definition """
-       
+
         data = fluid.data(name="input", shape=[None, self.max_len], dtype='int64')
         label = fluid.data(name="label", shape=[None, 1], dtype='int64')
         seq_len = fluid.data(name="seq_len", shape=[None], dtype='int64')
@@ -60,12 +54,12 @@ class Model(ModelBase):
         prediction = fluid.layers.fc(input=[fc_1], size=self.class_dim, act="softmax")
         cost = fluid.layers.cross_entropy(input=prediction, label=label)
         avg_cost = fluid.layers.mean(x=cost)
-        acc = fluid.layers.accuracy(input=prediction, label=label) 
+        acc = fluid.layers.accuracy(input=prediction, label=label)
 
         self.cost = avg_cost
         self._metrics["acc"] = acc
 
-    def get_cost_op(self):
+    def get_avg_cost(self):
         return self.cost
 
     def get_metrics(self):

models/contentunderstanding/classification/reader.py

@@ -12,31 +12,22 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import re
+
 import sys
-import collections
-import os
-import six
-import time
-import numpy as np
-import paddle.fluid as fluid
-import paddle
-import csv
-import io
 
 from paddlerec.core.reader import Reader
-from paddlerec.core.utils import envs
+
 
 class TrainReader(Reader):
     def init(self):
         pass
 
-    def _process_line(self, l): 
+    def _process_line(self, l):
         l = l.strip().split(" ")
         data = l[0:10]
         seq_len = l[10:11]
         label = l[11:]
-        return  data, label, seq_len
+        return data, label, seq_len
 
     def generate_sample(self, line):
         def data_iter():
@@ -47,6 +38,7 @@ class TrainReader(Reader):
             data = [int(i) for i in data]
             label = [int(i) for i in label]
             seq_len = [int(i) for i in seq_len]
-            print >>sys.stderr, str([('data', data), ('label', label), ('seq_len', seq_len)])
+            print >> sys.stderr, str([('data', data), ('label', label), ('seq_len', seq_len)])
             yield [('data', data), ('label', label), ('seq_len', seq_len)]
+
         return data_iter

models/contentunderstanding/tagspace/model.py

@@ -12,30 +12,27 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import paddle.fluid as fluid
-import math
-
-from paddlerec.core.utils import envs
-from paddlerec.core.model import Model as ModelBase
-
 import paddle.fluid as fluid
 import paddle.fluid.layers.nn as nn
 import paddle.fluid.layers.tensor as tensor
 import paddle.fluid.layers.control_flow as cf
 
+from paddlerec.core.model import Model as ModelBase
+from paddlerec.core.utils import envs
+
+
 class Model(ModelBase):
     def __init__(self, config):
         ModelBase.__init__(self, config)
         self.cost = None
         self.metrics = {}
-        self.vocab_text_size = 11447#envs.get_global_env("vocab_text_size", None, self._namespace)
-        self.vocab_tag_size = 4#envs.get_global_env("vocab_tag_size", None, self._namespace)
-        self.emb_dim = 10#envs.get_global_env("emb_dim", None, self._namespace)
-        self.hid_dim = 1000#envs.get_global_env("hid_dim", None, self._namespace)
-        self.win_size = 5#envs.get_global_env("win_size", None, self._namespace)
-        self.margin = 0.1#envs.get_global_env("margin", None, self._namespace)
-        self.neg_size = 3#envs.get_global_env("neg_size", None, self._namespace)
-        print self.emb_dim
+        self.vocab_text_size = envs.get_global_env("vocab_text_size", None, self._namespace)
+        self.vocab_tag_size = envs.get_global_env("vocab_tag_size", None, self._namespace)
+        self.emb_dim = envs.get_global_env("emb_dim", None, self._namespace)
+        self.hid_dim = envs.get_global_env("hid_dim", None, self._namespace)
+        self.win_size = envs.get_global_env("win_size", None, self._namespace)
+        self.margin = envs.get_global_env("margin", None, self._namespace)
+        self.neg_size = envs.get_global_env("neg_size", None, self._namespace)
 
     def train_net(self):
         """ network definition """
@@ -92,18 +89,16 @@ class Model(ModelBase):
         self.metrics["correct"] = correct
         self.metrics["cos_pos"] = cos_pos
 
-    def get_cost_op(self):
+    def get_avg_cost(self):
         return self.cost
 
     def get_metrics(self):
         return self.metrics
 
     def optimizer(self):
-        learning_rate = 0.01#envs.get_global_env("hyper_parameters.base_lr", None, self._namespace)
+        learning_rate = envs.get_global_env("hyper_parameters.base_lr", None, self._namespace)
         sgd_optimizer = fluid.optimizer.Adagrad(learning_rate=learning_rate)
-        #sgd_optimizer.minimize(avg_cost)
         return sgd_optimizer
 
-
     def infer_net(self, parameter_list):
         self.train_net()

models/contentunderstanding/tagspace/reader.py

@@ -12,26 +12,19 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import re
+
 import sys
-import collections
-import os
-import six
-import time
+
 import numpy as np
-import paddle.fluid as fluid
-import paddle
-import csv
-import io
 
 from paddlerec.core.reader import Reader
-from paddlerec.core.utils import envs
+
 
 class TrainReader(Reader):
     def init(self):
         pass
 
-    def _process_line(self, l): 
+    def _process_line(self, l):
         tag_size = 4
         neg_size = 3
         l = l.strip().split(",")
@@ -54,10 +47,7 @@ class TrainReader(Reader):
                 neg_index = rand_i
                 neg_tag.append(neg_index)
                 sum_n += 1
-       # if n > 0 and len(text) > n:
-       #    #yield None
-       #    return None, None, None
-        return  text, pos_tag, neg_tag
+        return text, pos_tag, neg_tag
 
     def generate_sample(self, line):
         def data_iter():
@@ -66,4 +56,5 @@ class TrainReader(Reader):
                 yield None
                 return
             yield [('text', text), ('pos_tag', pos_tag), ('neg_tag', neg_tag)]
+
         return data_iter

models/match/dssm/model.py

@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import math
 import paddle.fluid as fluid
 
 from paddlerec.core.utils import envs
@@ -25,11 +24,12 @@ class Model(ModelBase):
 
     def input(self):
         TRIGRAM_D = envs.get_global_env("hyper_parameters.TRIGRAM_D", None, self._namespace)
-        Neg = envs.get_global_env("hyper_parameters.NEG", None, self._namespace) 
+        Neg = envs.get_global_env("hyper_parameters.NEG", None, self._namespace)
 
         self.query = fluid.data(name="query", shape=[-1, TRIGRAM_D], dtype='float32', lod_level=0)
         self.doc_pos = fluid.data(name="doc_pos", shape=[-1, TRIGRAM_D], dtype='float32', lod_level=0)
-        self.doc_negs = [fluid.data(name="doc_neg_" + str(i), shape=[-1, TRIGRAM_D], dtype="float32", lod_level=0) for i in range(Neg)]
+        self.doc_negs = [fluid.data(name="doc_neg_" + str(i), shape=[-1, TRIGRAM_D], dtype="float32", lod_level=0) for i
+                         in range(Neg)]
         self._data_var.append(self.query)
         self._data_var.append(self.doc_pos)
         for input in self.doc_negs:
@@ -38,40 +38,40 @@ class Model(ModelBase):
         if self._platform != "LINUX":
             self._data_loader = fluid.io.DataLoader.from_generator(
                 feed_list=self._data_var, capacity=64, use_double_buffer=False, iterable=False)
-        
 
     def net(self, is_infer=False):
-	hidden_layers = envs.get_global_env("hyper_parameters.fc_sizes", None, self._namespace)
+        hidden_layers = envs.get_global_env("hyper_parameters.fc_sizes", None, self._namespace)
         hidden_acts = envs.get_global_env("hyper_parameters.fc_acts", None, self._namespace)
-	
+
         def fc(data, hidden_layers, hidden_acts, names):
             fc_inputs = [data]
-	    for i in range(len(hidden_layers)):
-		xavier=fluid.initializer.Xavier(uniform=True, fan_in=fc_inputs[-1].shape[1], fan_out=hidden_layers[i])
-		out = fluid.layers.fc(input=fc_inputs[-1],
-				size=hidden_layers[i],
-				act=hidden_acts[i],
-				param_attr=xavier,
-				bias_attr=xavier,
-				name=names[i])
-		fc_inputs.append(out)
-	    return fc_inputs[-1]
-
-	query_fc = fc(self.query, hidden_layers, hidden_acts, ['query_l1', 'query_l2', 'query_l3'])
-	doc_pos_fc = fc(self.doc_pos, hidden_layers, hidden_acts, ['doc_pos_l1', 'doc_pos_l2', 'doc_pos_l3'])
-	self.R_Q_D_p = fluid.layers.cos_sim(query_fc, doc_pos_fc)
+            for i in range(len(hidden_layers)):
+                xavier = fluid.initializer.Xavier(uniform=True, fan_in=fc_inputs[-1].shape[1], fan_out=hidden_layers[i])
+                out = fluid.layers.fc(input=fc_inputs[-1],
+                                      size=hidden_layers[i],
+                                      act=hidden_acts[i],
+                                      param_attr=xavier,
+                                      bias_attr=xavier,
+                                      name=names[i])
+                fc_inputs.append(out)
+            return fc_inputs[-1]
+
+        query_fc = fc(self.query, hidden_layers, hidden_acts, ['query_l1', 'query_l2', 'query_l3'])
+        doc_pos_fc = fc(self.doc_pos, hidden_layers, hidden_acts, ['doc_pos_l1', 'doc_pos_l2', 'doc_pos_l3'])
+        self.R_Q_D_p = fluid.layers.cos_sim(query_fc, doc_pos_fc)
 
         if is_infer:
             return
 
         R_Q_D_ns = []
-	for i, doc_neg in enumerate(self.doc_negs):
-	    doc_neg_fc_i = fc(doc_neg, hidden_layers, hidden_acts, ['doc_neg_l1_' + str(i), 'doc_neg_l2_' + str(i), 'doc_neg_l3_' + str(i)])
+        for i, doc_neg in enumerate(self.doc_negs):
+            doc_neg_fc_i = fc(doc_neg, hidden_layers, hidden_acts,
+                              ['doc_neg_l1_' + str(i), 'doc_neg_l2_' + str(i), 'doc_neg_l3_' + str(i)])
             R_Q_D_ns.append(fluid.layers.cos_sim(query_fc, doc_neg_fc_i))
         concat_Rs = fluid.layers.concat(input=[self.R_Q_D_p] + R_Q_D_ns, axis=-1)
-	prob = fluid.layers.softmax(concat_Rs, axis=1)
-        
-        hit_prob = fluid.layers.slice(prob, axes=[0,1], starts=[0,0], ends=[4, 1])
+        prob = fluid.layers.softmax(concat_Rs, axis=1)
+
+        hit_prob = fluid.layers.slice(prob, axes=[0, 1], starts=[0, 0], ends=[4, 1])
         loss = -fluid.layers.reduce_sum(fluid.layers.log(hit_prob))
         self.avg_cost = fluid.layers.mean(x=loss)
 
@@ -101,10 +101,10 @@ class Model(ModelBase):
         self.doc_pos = fluid.data(name="doc_pos", shape=[-1, TRIGRAM_D], dtype='float32', lod_level=0)
         self._infer_data_var = [self.query, self.doc_pos]
 
-	self._infer_data_loader = fluid.io.DataLoader.from_generator(
+        self._infer_data_loader = fluid.io.DataLoader.from_generator(
             feed_list=self._infer_data_var, capacity=64, use_double_buffer=False, iterable=False)
- 
+
     def infer_net(self):
-	self.infer_input()        
+        self.infer_input()
         self.net(is_infer=True)
-	self.infer_results()
+        self.infer_results()

models/match/dssm/synthetic_evaluate_reader.py

@@ -14,7 +14,6 @@
 from __future__ import print_function
 
 from paddlerec.core.reader import Reader
-from paddlerec.core.utils import envs
 
 
 class EvaluateReader(Reader):

models/match/dssm/synthetic_reader.py

@@ -11,10 +11,10 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
 from __future__ import print_function
 
 from paddlerec.core.reader import Reader
-from paddlerec.core.utils import envs
 
 
 class TrainReader(Reader):
@@ -37,7 +37,7 @@ class TrainReader(Reader):
             neg_docs = []
             for i in range(len(features) - 2):
                 feature_names.append('doc_neg_' + str(i))
-                neg_docs.append(map(float, features[i+2].split(',')))
+                neg_docs.append(map(float, features[i + 2].split(',')))
 
             yield zip(feature_names, [query] + [pos_doc] + neg_docs)
 

models/match/multiview-simnet/data_process.sh

 #! /bin/bash
 
+# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
 set -e
 echo "begin to prepare data"
 

models/match/multiview-simnet/evaluate_reader.py

@@ -11,18 +11,15 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-import numpy as np
-import io
-import copy
-import random
+
 from paddlerec.core.reader import Reader
 from paddlerec.core.utils import envs
 
 
 class EvaluateReader(Reader):
     def init(self):
-        self.query_slots = envs.get_global_env("hyper_parameters.query_slots", None, "train.model") 
-        self.title_slots = envs.get_global_env("hyper_parameters.title_slots", None, "train.model") 
+        self.query_slots = envs.get_global_env("hyper_parameters.query_slots", None, "train.model")
+        self.title_slots = envs.get_global_env("hyper_parameters.title_slots", None, "train.model")
 
         self.all_slots = []
         for i in range(self.query_slots):
@@ -52,6 +49,7 @@ class EvaluateReader(Reader):
                 if visit:
                     self._all_slots_dict[slot][0] = False
                 else:
-                    output[index][1].append(padding) 
+                    output[index][1].append(padding)
             yield output
+
         return data_iter

models/match/multiview-simnet/generate_synthetic_data.py

@@ -14,10 +14,12 @@
 
 import random
 
+
 class Dataset:
     def __init__(self):
         pass
 
+
 class SyntheticDataset(Dataset):
     def __init__(self, sparse_feature_dim, query_slot_num, title_slot_num, dataset_size=10000):
         # ids are randomly generated
@@ -39,7 +41,7 @@ class SyntheticDataset(Dataset):
                 for i in range(self.query_slot_num):
                     qslot = generate_ids(self.ids_per_slot,
                                          self.sparse_feature_dim)
-                    qslot = [str(fea) + ':' + str(i)  for fea in qslot]
+                    qslot = [str(fea) + ':' + str(i) for fea in qslot]
                     query_slots += qslot
                 for i in range(self.title_slot_num):
                     pt_slot = generate_ids(self.ids_per_slot,
@@ -50,7 +52,8 @@ class SyntheticDataset(Dataset):
                     for i in range(self.title_slot_num):
                         nt_slot = generate_ids(self.ids_per_slot,
                                                self.sparse_feature_dim)
-                        nt_slot = [str(fea) + ':' + str(i + self.query_slot_num + self.title_slot_num) for fea in nt_slot]
+                        nt_slot = [str(fea) + ':' + str(i + self.query_slot_num + self.title_slot_num) for fea in
+                                   nt_slot]
                         neg_title_slots += nt_slot
                     yield query_slots + pos_title_slots + neg_title_slots
                 else:
@@ -67,6 +70,7 @@ class SyntheticDataset(Dataset):
     def test(self):
         return self._reader_creator(False)
 
+
 if __name__ == '__main__':
     sparse_feature_dim = 1000001
     query_slots = 1
@@ -75,7 +79,7 @@ if __name__ == '__main__':
     dataset = SyntheticDataset(sparse_feature_dim, query_slots, title_slots, dataset_size)
     train_reader = dataset.train()
     test_reader = dataset.test()
-	
+
     with open("data/train/train.txt", 'w') as fout:
         for data in train_reader():
             fout.write(' '.join(data))

models/match/multiview-simnet/model.py

@@ -12,16 +12,14 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import numpy as np
-import math
 import paddle.fluid as fluid
-import paddle.fluid.layers as layers
 import paddle.fluid.layers.tensor as tensor
 import paddle.fluid.layers.control_flow as cf
 
 from paddlerec.core.utils import envs
 from paddlerec.core.model import Model as ModelBase
 
+
 class BowEncoder(object):
     """ bow-encoder """
 
@@ -97,13 +95,14 @@ class SimpleEncoderFactory(object):
             rnn_encode = GrnnEncoder(hidden_size=enc_hid_size)
             return rnn_encode
 
+
 class Model(ModelBase):
     def __init__(self, config):
         ModelBase.__init__(self, config)
         self.init_config()
-        
+
     def init_config(self):
-        self._fetch_interval = 1 
+        self._fetch_interval = 1
         query_encoder = envs.get_global_env("hyper_parameters.query_encoder", None, self._namespace)
         title_encoder = envs.get_global_env("hyper_parameters.title_encoder", None, self._namespace)
         query_encode_dim = envs.get_global_env("hyper_parameters.query_encode_dim", None, self._namespace)
@@ -115,19 +114,19 @@ class Model(ModelBase):
             factory.create(query_encoder, query_encode_dim)
             for i in range(query_slots)
         ]
-	self.title_encoders = [
+        self.title_encoders = [
             factory.create(title_encoder, title_encode_dim)
             for i in range(title_slots)
         ]
 
-	self.emb_size = envs.get_global_env("hyper_parameters.sparse_feature_dim", None, self._namespace)
-	self.emb_dim = envs.get_global_env("hyper_parameters.embedding_dim", None, self._namespace)
-	self.emb_shape = [self.emb_size, self.emb_dim]
-	self.hidden_size = envs.get_global_env("hyper_parameters.hidden_size", None, self._namespace)
-	self.margin = 0.1
+        self.emb_size = envs.get_global_env("hyper_parameters.sparse_feature_dim", None, self._namespace)
+        self.emb_dim = envs.get_global_env("hyper_parameters.embedding_dim", None, self._namespace)
+        self.emb_shape = [self.emb_size, self.emb_dim]
+        self.hidden_size = envs.get_global_env("hyper_parameters.hidden_size", None, self._namespace)
+        self.margin = 0.1
 
     def input(self, is_train=True):
-	self.q_slots = [
+        self.q_slots = [
             fluid.data(
                 name="%d" % i, shape=[None, 1], lod_level=1, dtype='int64')
             for i in range(len(self.query_encoders))
@@ -138,22 +137,23 @@ class Model(ModelBase):
             for i in range(len(self.title_encoders))
         ]
 
-	if is_train == False:
-	    return self.q_slots + self.pt_slots
+        if is_train == False:
+            return self.q_slots + self.pt_slots
 
         self.nt_slots = [
             fluid.data(
-                name="%d" % (i + len(self.query_encoders) + len(self.title_encoders)), shape=[None, 1], lod_level=1, dtype='int64')
+                name="%d" % (i + len(self.query_encoders) + len(self.title_encoders)), shape=[None, 1], lod_level=1,
+                dtype='int64')
             for i in range(len(self.title_encoders))
         ]
 
         return self.q_slots + self.pt_slots + self.nt_slots
-    
+
     def train_input(self):
         res = self.input()
         self._data_var = res
 
-        use_dataloader = envs.get_global_env("hyper_parameters.use_DataLoader", False, self._namespace) 
+        use_dataloader = envs.get_global_env("hyper_parameters.use_DataLoader", False, self._namespace)
 
         if self._platform != "LINUX" or use_dataloader:
             self._data_loader = fluid.io.DataLoader.from_generator(
@@ -161,15 +161,15 @@ class Model(ModelBase):
 
     def get_acc(self, x, y):
         less = tensor.cast(cf.less_than(x, y), dtype='float32')
-	label_ones = fluid.layers.fill_constant_batch_size_like(
+        label_ones = fluid.layers.fill_constant_batch_size_like(
             input=x, dtype='float32', shape=[-1, 1], value=1.0)
         correct = fluid.layers.reduce_sum(less)
-	total = fluid.layers.reduce_sum(label_ones)
+        total = fluid.layers.reduce_sum(label_ones)
         acc = fluid.layers.elementwise_div(correct, total)
-	return acc
+        return acc
 
     def net(self):
-	q_embs = [
+        q_embs = [
             fluid.embedding(
                 input=query, size=self.emb_shape, param_attr="emb")
             for query in self.q_slots
@@ -184,8 +184,8 @@ class Model(ModelBase):
                 input=title, size=self.emb_shape, param_attr="emb")
             for title in self.nt_slots
         ]
-        
-	# encode each embedding field with encoder
+
+        # encode each embedding field with encoder
         q_encodes = [
             self.query_encoders[i].forward(emb) for i, emb in enumerate(q_embs)
         ]
@@ -201,7 +201,7 @@ class Model(ModelBase):
         pt_concat = fluid.layers.concat(pt_encodes)
         nt_concat = fluid.layers.concat(nt_encodes)
 
-	# projection of hidden layer
+        # projection of hidden layer
         q_hid = fluid.layers.fc(q_concat,
                                 size=self.hidden_size,
                                 param_attr='q_fc.w',
@@ -219,7 +219,7 @@ class Model(ModelBase):
         cos_pos = fluid.layers.cos_sim(q_hid, pt_hid)
         cos_neg = fluid.layers.cos_sim(q_hid, nt_hid)
 
-	# pairwise hinge_loss
+        # pairwise hinge_loss
         loss_part1 = fluid.layers.elementwise_sub(
             tensor.fill_constant_batch_size_like(
                 input=cos_pos,
@@ -236,7 +236,7 @@ class Model(ModelBase):
             loss_part2)
 
         self.avg_cost = fluid.layers.mean(loss_part3)
-       	self.acc = self.get_acc(cos_neg, cos_pos)	
+        self.acc = self.get_acc(cos_neg, cos_pos)
 
     def avg_loss(self):
         self._cost = self.avg_cost
@@ -253,19 +253,19 @@ class Model(ModelBase):
 
     def optimizer(self):
         learning_rate = envs.get_global_env("hyper_parameters.learning_rate", None, self._namespace)
-	optimizer = fluid.optimizer.Adam(learning_rate=learning_rate)
-	return optimizer
+        optimizer = fluid.optimizer.Adam(learning_rate=learning_rate)
+        return optimizer
 
     def infer_input(self):
         res = self.input(is_train=False)
-	self._infer_data_var = res
+        self._infer_data_var = res
 
         self._infer_data_loader = fluid.io.DataLoader.from_generator(
             feed_list=self._infer_data_var, capacity=64, use_double_buffer=False, iterable=False)
- 
+
     def infer_net(self):
-	self.infer_input()
-	# lookup embedding for each slot
+        self.infer_input()
+        # lookup embedding for each slot
         q_embs = [
             fluid.embedding(
                 input=query, size=self.emb_shape, param_attr="emb")
@@ -276,14 +276,14 @@ class Model(ModelBase):
                 input=title, size=self.emb_shape, param_attr="emb")
             for title in self.pt_slots
         ]
-	# encode each embedding field with encoder
+        # encode each embedding field with encoder
         q_encodes = [
             self.query_encoders[i].forward(emb) for i, emb in enumerate(q_embs)
         ]
         pt_encodes = [
             self.title_encoders[i].forward(emb) for i, emb in enumerate(pt_embs)
         ]
-	# concat multi view for query, pos_title, neg_title
+        # concat multi view for query, pos_title, neg_title
         q_concat = fluid.layers.concat(q_encodes)
         pt_concat = fluid.layers.concat(pt_encodes)
         # projection of hidden layer

models/match/multiview-simnet/reader.py

@@ -11,18 +11,15 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-import numpy as np
-import io
-import copy
-import random
+
 from paddlerec.core.reader import Reader
 from paddlerec.core.utils import envs
 
 
 class TrainReader(Reader):
     def init(self):
-        self.query_slots = envs.get_global_env("hyper_parameters.query_slots", None, "train.model") 
-        self.title_slots = envs.get_global_env("hyper_parameters.title_slots", None, "train.model") 
+        self.query_slots = envs.get_global_env("hyper_parameters.query_slots", None, "train.model")
+        self.title_slots = envs.get_global_env("hyper_parameters.title_slots", None, "train.model")
 
         self.all_slots = []
         for i in range(self.query_slots):
@@ -55,6 +52,7 @@ class TrainReader(Reader):
                 if visit:
                     self._all_slots_dict[slot][0] = False
                 else:
-                    output[index][1].append(padding) 
+                    output[index][1].append(padding)
             yield output
+
         return data_iter

models/multitask/esmm/esmm_infer_reader.py

@@ -13,19 +13,19 @@
 # limitations under the License.
 from __future__ import print_function
 
-from paddlerec.core.reader import Reader
-from paddlerec.core.utils import envs
 from collections import defaultdict
-import numpy as np
+
+from paddlerec.core.reader import Reader
 
 
 class EvaluateReader(Reader):
     def init(self):
-        all_field_id = ['101', '109_14', '110_14', '127_14', '150_14', '121', '122', '124', '125', '126', '127', '128', '129',
+        all_field_id = ['101', '109_14', '110_14', '127_14', '150_14', '121', '122', '124', '125', '126', '127', '128',
+                        '129',
                         '205', '206', '207', '210', '216', '508', '509', '702', '853', '301']
         self.all_field_id_dict = defaultdict(int)
-        for i,field_id in enumerate(all_field_id):
-            self.all_field_id_dict[field_id] = [False,i]
+        for i, field_id in enumerate(all_field_id):
+            self.all_field_id_dict[field_id] = [False, i]
 
     def generate_sample(self, line):
         """
@@ -39,25 +39,26 @@ class EvaluateReader(Reader):
             features = line.strip().split(',')
             ctr = int(features[1])
             cvr = int(features[2])
-            
+
             padding = 0
-            output = [(field_id,[]) for field_id in self.all_field_id_dict]
+            output = [(field_id, []) for field_id in self.all_field_id_dict]
 
             for elem in features[4:]:
-                field_id,feat_id = elem.strip().split(':')
+                field_id, feat_id = elem.strip().split(':')
                 if field_id not in self.all_field_id_dict:
                     continue
                 self.all_field_id_dict[field_id][0] = True
                 index = self.all_field_id_dict[field_id][1]
-                output[index][1].append(int(feat_id)) 
-                
+                output[index][1].append(int(feat_id))
+
             for field_id in self.all_field_id_dict:
-                visited,index = self.all_field_id_dict[field_id]
+                visited, index = self.all_field_id_dict[field_id]
                 if visited:
                     self.all_field_id_dict[field_id][0] = False
                 else:
-                    output[index][1].append(padding) 
+                    output[index][1].append(padding)
             output.append(('ctr', [ctr]))
             output.append(('cvr', [cvr]))
             yield output
+
         return reader

models/multitask/esmm/esmm_reader.py

@@ -11,21 +11,22 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
 from __future__ import print_function
 
-from paddlerec.core.reader import Reader
-from paddlerec.core.utils import envs
 from collections import defaultdict
-import numpy as np
+
+from paddlerec.core.reader import Reader
 
 
 class TrainReader(Reader):
     def init(self):
-        all_field_id = ['101', '109_14', '110_14', '127_14', '150_14', '121', '122', '124', '125', '126', '127', '128', '129',
+        all_field_id = ['101', '109_14', '110_14', '127_14', '150_14', '121', '122', '124', '125', '126', '127', '128',
+                        '129',
                         '205', '206', '207', '210', '216', '508', '509', '702', '853', '301']
         self.all_field_id_dict = defaultdict(int)
-        for i,field_id in enumerate(all_field_id):
-            self.all_field_id_dict[field_id] = [False,i]
+        for i, field_id in enumerate(all_field_id):
+            self.all_field_id_dict[field_id] = [False, i]
 
     def generate_sample(self, line):
         """
@@ -37,30 +38,31 @@ class TrainReader(Reader):
             This function needs to be implemented by the user, based on data format
             """
             features = line.strip().split(',')
-            #ctr = list(map(int, features[1]))
-            #cvr = list(map(int, features[2]))
+            # ctr = list(map(int, features[1]))
+            # cvr = list(map(int, features[2]))
             ctr = int(features[1])
             cvr = int(features[2])
-            
+
             padding = 0
-            output = [(field_id,[]) for field_id in self.all_field_id_dict]
+            output = [(field_id, []) for field_id in self.all_field_id_dict]
 
             for elem in features[4:]:
-                field_id,feat_id = elem.strip().split(':')
+                field_id, feat_id = elem.strip().split(':')
                 if field_id not in self.all_field_id_dict:
                     continue
                 self.all_field_id_dict[field_id][0] = True
                 index = self.all_field_id_dict[field_id][1]
-                #feat_id = list(map(int, feat_id))    
-                output[index][1].append(int(feat_id)) 
-                
+                # feat_id = list(map(int, feat_id))
+                output[index][1].append(int(feat_id))
+
             for field_id in self.all_field_id_dict:
-                visited,index = self.all_field_id_dict[field_id]
+                visited, index = self.all_field_id_dict[field_id]
                 if visited:
                     self.all_field_id_dict[field_id][0] = False
                 else:
-                    output[index][1].append(padding) 
+                    output[index][1].append(padding)
             output.append(('ctr', [ctr]))
             output.append(('cvr', [cvr]))
             yield output
+
         return reader

models/multitask/esmm/model.py

@@ -12,83 +12,84 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import math
+import numpy as np
 import paddle.fluid as fluid
 
 from paddlerec.core.utils import envs
 from paddlerec.core.model import Model as ModelBase
-import numpy as np
 
 
 class Model(ModelBase):
     def __init__(self, config):
         ModelBase.__init__(self, config)
 
-    def fc(self,tag, data, out_dim, active='prelu'):
-        
+    def fc(self, tag, data, out_dim, active='prelu'):
+
         init_stddev = 1.0
-        scales = 1.0  / np.sqrt(data.shape[1])
-        
+        scales = 1.0 / np.sqrt(data.shape[1])
+
         p_attr = fluid.param_attr.ParamAttr(name='%s_weight' % tag,
-                    initializer=fluid.initializer.NormalInitializer(loc=0.0, scale=init_stddev * scales))
-                    
+                                            initializer=fluid.initializer.NormalInitializer(loc=0.0,
+                                                                                            scale=init_stddev * scales))
+
         b_attr = fluid.ParamAttr(name='%s_bias' % tag, initializer=fluid.initializer.Constant(0.1))
-        
+
         out = fluid.layers.fc(input=data,
-                            size=out_dim,
-                            act=active,
-                            param_attr=p_attr, 
-                            bias_attr =b_attr,
-                            name=tag)
+                              size=out_dim,
+                              act=active,
+                              param_attr=p_attr,
+                              bias_attr=b_attr,
+                              name=tag)
         return out
-        
+
     def input_data(self):
         sparse_input_ids = [
-            fluid.data(name="field_" + str(i), shape=[-1, 1], dtype="int64", lod_level=1) for i in range(0,23)
+            fluid.data(name="field_" + str(i), shape=[-1, 1], dtype="int64", lod_level=1) for i in range(0, 23)
         ]
         label_ctr = fluid.data(name="ctr", shape=[-1, 1], dtype="int64")
         label_cvr = fluid.data(name="cvr", shape=[-1, 1], dtype="int64")
         inputs = sparse_input_ids + [label_ctr] + [label_cvr]
         self._data_var.extend(inputs)
-        
+
         return inputs
-    
+
     def net(self, inputs, is_infer=False):
-        
+
         vocab_size = envs.get_global_env("hyper_parameters.vocab_size", None, self._namespace)
         embed_size = envs.get_global_env("hyper_parameters.embed_size", None, self._namespace)
         emb = []
         for data in inputs[0:-2]:
             feat_emb = fluid.embedding(input=data,
-                                size=[vocab_size, embed_size],
-                                param_attr=fluid.ParamAttr(name='dis_emb',
-                                                            learning_rate=5,
-                                                            initializer=fluid.initializer.Xavier(fan_in=embed_size,fan_out=embed_size)
-                                                            ),
-                                is_sparse=True)
-            field_emb = fluid.layers.sequence_pool(input=feat_emb,pool_type='sum')
+                                       size=[vocab_size, embed_size],
+                                       param_attr=fluid.ParamAttr(name='dis_emb',
+                                                                  learning_rate=5,
+                                                                  initializer=fluid.initializer.Xavier(
+                                                                      fan_in=embed_size, fan_out=embed_size)
+                                                                  ),
+                                       is_sparse=True)
+            field_emb = fluid.layers.sequence_pool(input=feat_emb, pool_type='sum')
             emb.append(field_emb)
         concat_emb = fluid.layers.concat(emb, axis=1)
-        
+
         # ctr
         active = 'relu'
         ctr_fc1 = self.fc('ctr_fc1', concat_emb, 200, active)
         ctr_fc2 = self.fc('ctr_fc2', ctr_fc1, 80, active)
         ctr_out = self.fc('ctr_out', ctr_fc2, 2, 'softmax')
-        
+
         # cvr
         cvr_fc1 = self.fc('cvr_fc1', concat_emb, 200, active)
         cvr_fc2 = self.fc('cvr_fc2', cvr_fc1, 80, active)
-        cvr_out = self.fc('cvr_out', cvr_fc2, 2,'softmax')
-    
+        cvr_out = self.fc('cvr_out', cvr_fc2, 2, 'softmax')
+
         ctr_clk = inputs[-2]
         ctcvr_buy = inputs[-1]
-        
+
         ctr_prop_one = fluid.layers.slice(ctr_out, axes=[1], starts=[1], ends=[2])
         cvr_prop_one = fluid.layers.slice(cvr_out, axes=[1], starts=[1], ends=[2])
-        
+
         ctcvr_prop_one = fluid.layers.elementwise_mul(ctr_prop_one, cvr_prop_one)
-        ctcvr_prop = fluid.layers.concat(input=[1-ctcvr_prop_one,ctcvr_prop_one], axis = 1)
+        ctcvr_prop = fluid.layers.concat(input=[1 - ctcvr_prop_one, ctcvr_prop_one], axis=1)
 
         auc_ctr, batch_auc_ctr, auc_states_ctr = fluid.layers.auc(input=ctr_out, label=ctr_clk)
         auc_ctcvr, batch_auc_ctcvr, auc_states_ctcvr = fluid.layers.auc(input=ctcvr_prop, label=ctcvr_buy)
@@ -98,27 +99,23 @@ class Model(ModelBase):
             self._infer_results["AUC_ctcvr"] = auc_ctcvr
             return
 
-    
         loss_ctr = fluid.layers.cross_entropy(input=ctr_out, label=ctr_clk)
         loss_ctcvr = fluid.layers.cross_entropy(input=ctcvr_prop, label=ctcvr_buy)
         cost = loss_ctr + loss_ctcvr
         avg_cost = fluid.layers.mean(cost)
 
-    
         self._cost = avg_cost
         self._metrics["AUC_ctr"] = auc_ctr
         self._metrics["BATCH_AUC_ctr"] = batch_auc_ctr
         self._metrics["AUC_ctcvr"] = auc_ctcvr
         self._metrics["BATCH_AUC_ctcvr"] = batch_auc_ctcvr
 
-
     def train_net(self):
         input_data = self.input_data()
         self.net(input_data)
 
-
     def infer_net(self):
         self._infer_data_var = self.input_data()
         self._infer_data_loader = fluid.io.DataLoader.from_generator(
-                feed_list=self._infer_data_var, capacity=64, use_double_buffer=False, iterable=False)
+            feed_list=self._infer_data_var, capacity=64, use_double_buffer=False, iterable=False)
         self.net(self._infer_data_var, is_infer=True)

models/multitask/mmoe/census_infer_reader.py

@@ -11,11 +11,10 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
 from __future__ import print_function
 
 from paddlerec.core.reader import Reader
-from paddlerec.core.utils import envs
-import numpy as np
 
 
 class EvaluateReader(Reader):

models/multitask/mmoe/census_reader.py

@@ -11,11 +11,10 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
 from __future__ import print_function
 
 from paddlerec.core.reader import Reader
-from paddlerec.core.utils import envs
-import numpy as np
 
 
 class TrainReader(Reader):
@@ -44,8 +43,8 @@ class TrainReader(Reader):
                 label_marital = [1, 0]
             elif int(l[0]) == 1:
                 label_marital = [0, 1]
-            #label_income = np.array(label_income)
-            #label_marital = np.array(label_marital)
+            # label_income = np.array(label_income)
+            # label_marital = np.array(label_marital)
             feature_name = ["input", "label_income", "label_marital"]
             yield zip(feature_name, [data] + [label_income] + [label_marital])
 

models/multitask/mmoe/model.py

@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import math
 import paddle.fluid as fluid
 
 from paddlerec.core.utils import envs
@@ -37,22 +36,21 @@ class Model(ModelBase):
         if is_infer:
             self._infer_data_var = [input_data, label_income, label_marital]
             self._infer_data_loader = fluid.io.DataLoader.from_generator(
-                    feed_list=self._infer_data_var, capacity=64, use_double_buffer=False, iterable=False)
-        
+                feed_list=self._infer_data_var, capacity=64, use_double_buffer=False, iterable=False)
+
         self._data_var.extend([input_data, label_income, label_marital])
         # f_{i}(x) = activation(W_{i} * x + b), where activation is ReLU according to the paper
         expert_outputs = []
         for i in range(0, expert_num):
             expert_output = fluid.layers.fc(input=input_data,
-                                           size=expert_size,
-                                           act='relu',
-                                           bias_attr=fluid.ParamAttr(learning_rate=1.0),
-                                           name='expert_' + str(i))
+                                            size=expert_size,
+                                            act='relu',
+                                            bias_attr=fluid.ParamAttr(learning_rate=1.0),
+                                            name='expert_' + str(i))
             expert_outputs.append(expert_output)
         expert_concat = fluid.layers.concat(expert_outputs, axis=1)
-        expert_concat = fluid.layers.reshape(expert_concat,[-1, expert_num, expert_size])
-        
-        
+        expert_concat = fluid.layers.reshape(expert_concat, [-1, expert_num, expert_size])
+
         # g^{k}(x) = activation(W_{gk} * x + b), where activation is softmax according to the paper
         output_layers = []
         for i in range(0, gate_num):
@@ -62,52 +60,53 @@ class Model(ModelBase):
                                        bias_attr=fluid.ParamAttr(learning_rate=1.0),
                                        name='gate_' + str(i))
             # f^{k}(x) = sum_{i=1}^{n}(g^{k}(x)_{i} * f_{i}(x))
-            cur_gate_expert = fluid.layers.elementwise_mul(expert_concat, cur_gate, axis=0)  
+            cur_gate_expert = fluid.layers.elementwise_mul(expert_concat, cur_gate, axis=0)
             cur_gate_expert = fluid.layers.reduce_sum(cur_gate_expert, dim=1)
             # Build tower layer
-            cur_tower =  fluid.layers.fc(input=cur_gate_expert,
-                                      size=tower_size,
-                                      act='relu',
-                                      name='task_layer_' + str(i))  
-            out =  fluid.layers.fc(input=cur_tower,
-                                   size=2,
-                                   act='softmax',
-                                   name='out_' + str(i))
-                
+            cur_tower = fluid.layers.fc(input=cur_gate_expert,
+                                        size=tower_size,
+                                        act='relu',
+                                        name='task_layer_' + str(i))
+            out = fluid.layers.fc(input=cur_tower,
+                                  size=2,
+                                  act='softmax',
+                                  name='out_' + str(i))
+
             output_layers.append(out)
 
         pred_income = fluid.layers.clip(output_layers[0], min=1e-15, max=1.0 - 1e-15)
         pred_marital = fluid.layers.clip(output_layers[1], min=1e-15, max=1.0 - 1e-15)
 
-        
         label_income_1 = fluid.layers.slice(label_income, axes=[1], starts=[1], ends=[2])
         label_marital_1 = fluid.layers.slice(label_marital, axes=[1], starts=[1], ends=[2])
-        
-        auc_income, batch_auc_1, auc_states_1  = fluid.layers.auc(input=pred_income, label=fluid.layers.cast(x=label_income_1, dtype='int64'))
-        auc_marital, batch_auc_2, auc_states_2 = fluid.layers.auc(input=pred_marital, label=fluid.layers.cast(x=label_marital_1, dtype='int64'))
+
+        auc_income, batch_auc_1, auc_states_1 = fluid.layers.auc(input=pred_income,
+                                                                 label=fluid.layers.cast(x=label_income_1,
+                                                                                         dtype='int64'))
+        auc_marital, batch_auc_2, auc_states_2 = fluid.layers.auc(input=pred_marital,
+                                                                  label=fluid.layers.cast(x=label_marital_1,
+                                                                                          dtype='int64'))
         if is_infer:
             self._infer_results["AUC_income"] = auc_income
             self._infer_results["AUC_marital"] = auc_marital
             return
 
-        cost_income = fluid.layers.cross_entropy(input=pred_income, label=label_income,soft_label = True)
-        cost_marital = fluid.layers.cross_entropy(input=pred_marital, label=label_marital,soft_label = True)
-        
+        cost_income = fluid.layers.cross_entropy(input=pred_income, label=label_income, soft_label=True)
+        cost_marital = fluid.layers.cross_entropy(input=pred_marital, label=label_marital, soft_label=True)
+
         avg_cost_income = fluid.layers.mean(x=cost_income)
         avg_cost_marital = fluid.layers.mean(x=cost_marital)
-        
-        cost =  avg_cost_income + avg_cost_marital
-    
+
+        cost = avg_cost_income + avg_cost_marital
+
         self._cost = cost
         self._metrics["AUC_income"] = auc_income
         self._metrics["BATCH_AUC_income"] = batch_auc_1
         self._metrics["AUC_marital"] = auc_marital
         self._metrics["BATCH_AUC_marital"] = batch_auc_2
 
-
     def train_net(self):
         self.MMOE()
 
-
     def infer_net(self):
         self.MMOE(is_infer=True)

models/multitask/share-bottom/census_infer_reader.py

@@ -11,11 +11,10 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
 from __future__ import print_function
 
 from paddlerec.core.reader import Reader
-from paddlerec.core.utils import envs
-import numpy as np
 
 
 class EvaluateReader(Reader):

models/multitask/share-bottom/census_reader.py

@@ -11,11 +11,10 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
 from __future__ import print_function
 
 from paddlerec.core.reader import Reader
-from paddlerec.core.utils import envs
-import numpy as np
 
 
 class TrainReader(Reader):
@@ -44,8 +43,8 @@ class TrainReader(Reader):
                 label_marital = [1, 0]
             elif int(l[0]) == 1:
                 label_marital = [0, 1]
-            #label_income = np.array(label_income)
-            #label_marital = np.array(label_marital)
+            # label_income = np.array(label_income)
+            # label_marital = np.array(label_marital)
             feature_name = ["input", "label_income", "label_marital"]
             yield zip(feature_name, [data] + [label_income] + [label_marital])
 

models/multitask/share-bottom/model.py

@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import math
 import paddle.fluid as fluid
 
 from paddlerec.core.utils import envs
@@ -33,65 +32,65 @@ class Model(ModelBase):
         input_data = fluid.data(name="input", shape=[-1, feature_size], dtype="float32")
         label_income = fluid.data(name="label_income", shape=[-1, 2], dtype="float32", lod_level=0)
         label_marital = fluid.data(name="label_marital", shape=[-1, 2], dtype="float32", lod_level=0)
-        
+
         if is_infer:
             self._infer_data_var = [input_data, label_income, label_marital]
             self._infer_data_loader = fluid.io.DataLoader.from_generator(
-                    feed_list=self._infer_data_var, capacity=64, use_double_buffer=False, iterable=False)
+                feed_list=self._infer_data_var, capacity=64, use_double_buffer=False, iterable=False)
 
         self._data_var.extend([input_data, label_income, label_marital])
 
         bottom_output = fluid.layers.fc(input=input_data,
-                                           size=bottom_size,
-                                           act='relu',
-                                           bias_attr=fluid.ParamAttr(learning_rate=1.0),
-                                           name='bottom_output')
-      
-       
+                                        size=bottom_size,
+                                        act='relu',
+                                        bias_attr=fluid.ParamAttr(learning_rate=1.0),
+                                        name='bottom_output')
+
         # Build tower layer from bottom layer
         output_layers = []
-        for index in range(tower_nums):    
+        for index in range(tower_nums):
             tower_layer = fluid.layers.fc(input=bottom_output,
-                                       size=tower_size,
-                                       act='relu',
-                                       name='task_layer_' + str(index))
+                                          size=tower_size,
+                                          act='relu',
+                                          name='task_layer_' + str(index))
             output_layer = fluid.layers.fc(input=tower_layer,
-                                       size=2,
-                                       act='softmax',
-                                       name='output_layer_' + str(index))
+                                           size=2,
+                                           act='softmax',
+                                           name='output_layer_' + str(index))
             output_layers.append(output_layer)
 
-
         pred_income = fluid.layers.clip(output_layers[0], min=1e-15, max=1.0 - 1e-15)
         pred_marital = fluid.layers.clip(output_layers[1], min=1e-15, max=1.0 - 1e-15)
 
         label_income_1 = fluid.layers.slice(label_income, axes=[1], starts=[1], ends=[2])
         label_marital_1 = fluid.layers.slice(label_marital, axes=[1], starts=[1], ends=[2])
-        
-        auc_income, batch_auc_1, auc_states_1  = fluid.layers.auc(input=pred_income, label=fluid.layers.cast(x=label_income_1, dtype='int64'))
-        auc_marital, batch_auc_2, auc_states_2 = fluid.layers.auc(input=pred_marital, label=fluid.layers.cast(x=label_marital_1, dtype='int64'))
+
+        auc_income, batch_auc_1, auc_states_1 = fluid.layers.auc(input=pred_income,
+                                                                 label=fluid.layers.cast(x=label_income_1,
+                                                                                         dtype='int64'))
+        auc_marital, batch_auc_2, auc_states_2 = fluid.layers.auc(input=pred_marital,
+                                                                  label=fluid.layers.cast(x=label_marital_1,
+                                                                                          dtype='int64'))
 
         if is_infer:
             self._infer_results["AUC_income"] = auc_income
             self._infer_results["AUC_marital"] = auc_marital
             return
 
-        cost_income = fluid.layers.cross_entropy(input=pred_income, label=label_income,soft_label = True)
-        cost_marital = fluid.layers.cross_entropy(input=pred_marital, label=label_marital,soft_label = True)
+        cost_income = fluid.layers.cross_entropy(input=pred_income, label=label_income, soft_label=True)
+        cost_marital = fluid.layers.cross_entropy(input=pred_marital, label=label_marital, soft_label=True)
         cost = fluid.layers.elementwise_add(cost_income, cost_marital, axis=1)
-        
-        avg_cost =  fluid.layers.mean(x=cost)
-    
+
+        avg_cost = fluid.layers.mean(x=cost)
+
         self._cost = avg_cost
         self._metrics["AUC_income"] = auc_income
         self._metrics["BATCH_AUC_income"] = batch_auc_1
         self._metrics["AUC_marital"] = auc_marital
         self._metrics["BATCH_AUC_marital"] = batch_auc_2
 
-
     def train_net(self):
         self.model()
 
-
     def infer_net(self):
         self.model(is_infer=True)

models/rank/criteo_reader.py

@@ -11,6 +11,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
 from __future__ import print_function
 
 from paddlerec.core.reader import Reader

models/rank/dcn/criteo_reader.py

@@ -11,18 +11,19 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
 from __future__ import print_function
 import math
-import sys
+import os
 
-from paddlerec.core.reader import Reader
-from paddlerec.core.utils import envs
 try:
     import cPickle as pickle
 except ImportError:
     import pickle
-from collections import Counter
-import os
+
+from paddlerec.core.reader import Reader
+from paddlerec.core.utils import envs
+
 
 class TrainReader(Reader):
     def init(self):
@@ -45,7 +46,7 @@ class TrainReader(Reader):
         self.label_feat_names = target + dense_feat_names + sparse_feat_names
 
         self.cat_feat_idx_dict_list = [{} for _ in range(26)]
-        
+
         # TODO: set vocabulary dictionary
         vocab_dir = envs.get_global_env("feat_dict_name", None, "train.reader")
         for i in range(26):
@@ -53,7 +54,7 @@ class TrainReader(Reader):
             for line in open(
                     os.path.join(vocab_dir, 'C' + str(i + 1) + '.txt')):
                 self.cat_feat_idx_dict_list[i][line.strip()] = lookup_idx
-                lookup_idx += 1 
+                lookup_idx += 1
 
     def _process_line(self, line):
         features = line.rstrip('\n').split('\t')
@@ -71,20 +72,21 @@ class TrainReader(Reader):
                     if idx == 2 else math.log(1 + float(features[idx])))
         for idx in self.cat_idx_:
             if features[idx] == '' or features[
-                    idx] not in self.cat_feat_idx_dict_list[idx - 14]:
+                idx] not in self.cat_feat_idx_dict_list[idx - 14]:
                 label_feat_list[idx].append(0)
             else:
                 label_feat_list[idx].append(self.cat_feat_idx_dict_list[
-                    idx - 14][features[idx]])
+                                                idx - 14][features[idx]])
         label_feat_list[0].append(int(features[0]))
         return label_feat_list
-    
+
     def generate_sample(self, line):
         """
         Read the data line by line and process it as a dictionary
         """
+
         def data_iter():
             label_feat_list = self._process_line(line)
             yield list(zip(self.label_feat_names, label_feat_list))
 
-        return data_iter
+        return data_iter
\ No newline at end of file

models/rank/dcn/model.py

@@ -12,17 +12,18 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from collections import OrderedDict
+
 import paddle.fluid as fluid
-import math
 
 from paddlerec.core.utils import envs
 from paddlerec.core.model import Model as ModelBase
-from collections import OrderedDict
+
 
 class Model(ModelBase):
     def __init__(self, config):
         ModelBase.__init__(self, config)
-    
+
     def init_network(self):
         self.cross_num = envs.get_global_env("hyper_parameters.cross_num", None, self._namespace)
         self.dnn_hidden_units = envs.get_global_env("hyper_parameters.dnn_hidden_units", None, self._namespace)
@@ -49,7 +50,7 @@ class Model(ModelBase):
 
         self.net_input = None
         self.loss = None
-    
+
     def _create_embedding_input(self, data_dict):
         # sparse embedding
         sparse_emb_dict = OrderedDict((name, fluid.embedding(
@@ -77,7 +78,7 @@ class Model(ModelBase):
         net_input = fluid.layers.concat([dense_input, sparse_input], axis=-1)
 
         return net_input
-    
+
     def _deep_net(self, input, hidden_units, use_bn=False, is_test=False):
         for units in hidden_units:
             input = fluid.layers.fc(input=input, size=units)
@@ -94,7 +95,7 @@ class Model(ModelBase):
             [input_dim], dtype='float32', name=prefix + "_b")
         xw = fluid.layers.reduce_sum(x * w, dim=1, keep_dim=True)  # (N, 1)
         return x0 * xw + b + x, w
-    
+
     def _cross_net(self, input, num_corss_layers):
         x = x0 = input
         l2_reg_cross_list = []
@@ -105,10 +106,10 @@ class Model(ModelBase):
             fluid.layers.concat(
                 l2_reg_cross_list, axis=-1))
         return x, l2_reg_cross_loss
-    
+
     def _l2_loss(self, w):
         return fluid.layers.reduce_sum(fluid.layers.square(w))
-    
+
     def train_net(self):
         self.init_network()
         self.target_input = fluid.data(
@@ -117,14 +118,14 @@ class Model(ModelBase):
         for feat_name in self.feat_dims_dict:
             data_dict[feat_name] = fluid.data(
                 name=feat_name, shape=[None, 1], dtype='float32')
-        
+
         self.net_input = self._create_embedding_input(data_dict)
-        
+
         deep_out = self._deep_net(self.net_input, self.dnn_hidden_units, self.dnn_use_bn, False)
 
         cross_out, l2_reg_cross_loss = self._cross_net(self.net_input,
-                                                       self.cross_num)  
-        
+                                                       self.cross_num)
+
         last_out = fluid.layers.concat([deep_out, cross_out], axis=-1)
         logit = fluid.layers.fc(last_out, 1)
 
@@ -140,7 +141,6 @@ class Model(ModelBase):
             input=prob_2d, label=label_int, slide_steps=0)
         self._metrics["AUC"] = auc_var
         self._metrics["BATCH_AUC"] = batch_auc_var
-        
 
         # logloss
         logloss = fluid.layers.log_loss(self.prob, self.target_input)

models/rank/deepfm/criteo_reader.py

@@ -11,15 +11,18 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
 from __future__ import print_function
 
-from paddlerec.core.reader import Reader
-from paddlerec.core.utils import envs
 try:
     import cPickle as pickle
 except ImportError:
     import pickle
 
+from paddlerec.core.reader import Reader
+from paddlerec.core.utils import envs
+
+
 class TrainReader(Reader):
     def init(self):
         self.cont_min_ = [0, -3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
@@ -35,7 +38,7 @@ class TrainReader(Reader):
         self.categorical_range_ = range(14, 40)
         # load preprocessed feature dict 
         self.feat_dict_name = envs.get_global_env("feat_dict_name", None, "train.reader")
-        self.feat_dict_ = pickle.load(open(self.feat_dict_name, 'rb')) 
+        self.feat_dict_ = pickle.load(open(self.feat_dict_name, 'rb'))
 
     def _process_line(self, line):
         features = line.rstrip('\n').split('\t')
@@ -59,13 +62,14 @@ class TrainReader(Reader):
                 feat_value.append(1.0)
         label = [int(features[0])]
         return feat_idx, feat_value, label
-    
+
     def generate_sample(self, line):
         """
         Read the data line by line and process it as a dictionary
         """
+
         def data_iter():
             feat_idx, feat_value, label = self._process_line(line)
             yield [('feat_idx', feat_idx), ('feat_value', feat_value), ('label', label)]
 
-        return data_iter
+        return data_iter
\ No newline at end of file

models/rank/deepfm/model.py

@@ -12,9 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import paddle.fluid as fluid
 import math
 
+import paddle.fluid as fluid
+
 from paddlerec.core.utils import envs
 from paddlerec.core.model import Model as ModelBase
 
@@ -28,26 +29,27 @@ class Model(ModelBase):
         is_distributed = True if envs.get_trainer() == "CtrTrainer" else False
         sparse_feature_number = envs.get_global_env("hyper_parameters.sparse_feature_number", None, self._namespace)
         sparse_feature_dim = envs.get_global_env("hyper_parameters.sparse_feature_dim", None, self._namespace)
-        
+
         # ------------------------- network input --------------------------
-        
+
         num_field = envs.get_global_env("hyper_parameters.num_field", None, self._namespace)
-        raw_feat_idx = fluid.data(name='feat_idx', shape=[None, num_field], dtype='int64') # None * num_field(defalut:39)
-        raw_feat_value = fluid.data(name='feat_value', shape=[None, num_field], dtype='float32') # None * num_field
+        raw_feat_idx = fluid.data(name='feat_idx', shape=[None, num_field],
+                                  dtype='int64')  # None * num_field(defalut:39)
+        raw_feat_value = fluid.data(name='feat_value', shape=[None, num_field], dtype='float32')  # None * num_field
         self.label = fluid.data(name='label', shape=[None, 1], dtype='float32')  # None * 1
-        feat_idx = fluid.layers.reshape(raw_feat_idx,[-1, 1])  # (None * num_field) * 1
+        feat_idx = fluid.layers.reshape(raw_feat_idx, [-1, 1])  # (None * num_field) * 1
         feat_value = fluid.layers.reshape(raw_feat_value, [-1, num_field, 1])  # None * num_field * 1
-        
+
         # ------------------------- set _data_var --------------------------
-        
+
         self._data_var.append(raw_feat_idx)
         self._data_var.append(raw_feat_value)
         self._data_var.append(self.label)
         if self._platform != "LINUX":
             self._data_loader = fluid.io.DataLoader.from_generator(
                 feed_list=self._data_var, capacity=64, use_double_buffer=False, iterable=False)
-        
-        #------------------------- first order term --------------------------
+
+        # ------------------------- first order term --------------------------
 
         reg = envs.get_global_env("hyper_parameters.reg", 1e-4, self._namespace)
         first_weights_re = fluid.embedding(
@@ -65,7 +67,7 @@ class Model(ModelBase):
             first_weights_re, shape=[-1, num_field, 1])  # None * num_field * 1
         y_first_order = fluid.layers.reduce_sum((first_weights * feat_value), 1)
 
-        #------------------------- second order term --------------------------
+        # ------------------------- second order term --------------------------
 
         feat_embeddings_re = fluid.embedding(
             input=feat_idx,
@@ -80,12 +82,12 @@ class Model(ModelBase):
         feat_embeddings = fluid.layers.reshape(
             feat_embeddings_re,
             shape=[-1, num_field,
-                sparse_feature_dim])  # None * num_field * embedding_size
+                   sparse_feature_dim])  # None * num_field * embedding_size
         feat_embeddings = feat_embeddings * feat_value  # None * num_field * embedding_size
-        
+
         # sum_square part
         summed_features_emb = fluid.layers.reduce_sum(feat_embeddings,
-                                                    1)  # None * embedding_size
+                                                      1)  # None * embedding_size
         summed_features_emb_square = fluid.layers.square(
             summed_features_emb)  # None * embedding_size
 
@@ -99,13 +101,12 @@ class Model(ModelBase):
             summed_features_emb_square - squared_sum_features_emb, 1,
             keep_dim=True)  # None * 1
 
-
-        #------------------------- DNN --------------------------
+        # ------------------------- DNN --------------------------
 
         layer_sizes = envs.get_global_env("hyper_parameters.fc_sizes", None, self._namespace)
         act = envs.get_global_env("hyper_parameters.act", None, self._namespace)
         y_dnn = fluid.layers.reshape(feat_embeddings,
-                                    [-1, num_field * sparse_feature_dim])
+                                     [-1, num_field * sparse_feature_dim])
         for s in layer_sizes:
             y_dnn = fluid.layers.fc(
                 input=y_dnn,
@@ -127,28 +128,28 @@ class Model(ModelBase):
             bias_attr=fluid.ParamAttr(
                 initializer=fluid.initializer.TruncatedNormalInitializer(
                     loc=0.0, scale=init_value_)))
-        
-        #------------------------- DeepFM --------------------------
+
+        # ------------------------- DeepFM --------------------------
 
         self.predict = fluid.layers.sigmoid(y_first_order + y_second_order + y_dnn)
-    
+
     def train_net(self):
         self.deepfm_net()
-        
-        #------------------------- Cost(logloss) --------------------------
+
+        # ------------------------- Cost(logloss) --------------------------
 
         cost = fluid.layers.log_loss(input=self.predict, label=self.label)
         avg_cost = fluid.layers.reduce_sum(cost)
-        
+
         self._cost = avg_cost
 
-        #------------------------- Metric(Auc) --------------------------
-        
+        # ------------------------- Metric(Auc) --------------------------
+
         predict_2d = fluid.layers.concat([1 - self.predict, self.predict], 1)
         label_int = fluid.layers.cast(self.label, 'int64')
         auc_var, batch_auc_var, _ = fluid.layers.auc(input=predict_2d,
-                                                            label=label_int,
-                                                            slide_steps=0)
+                                                     label=label_int,
+                                                     slide_steps=0)
         self._metrics["AUC"] = auc_var
         self._metrics["BATCH_AUC"] = batch_auc_var
 
@@ -158,4 +159,4 @@ class Model(ModelBase):
         return optimizer
 
     def infer_net(self, parameter_list):
-        self.deepfm_net()
+        self.deepfm_net()
\ No newline at end of file

models/rank/din/model.py

@@ -13,7 +13,6 @@
 # limitations under the License.
 
 import paddle.fluid as fluid
-import math
 
 from paddlerec.core.utils import envs
 from paddlerec.core.model import Model as ModelBase

models/rank/din/reader.py

@@ -13,24 +13,28 @@
 # limitations under the License.
 from __future__ import print_function
 
-from paddlerec.core.reader import Reader
-from paddlerec.core.utils import envs
-import numpy as np
 import os
 import random
+
 try:
     import cPickle as pickle
 except ImportError:
     import pickle
 
+import numpy as np
+
+from paddlerec.core.reader import Reader
+from paddlerec.core.utils import envs
+
+
 class TrainReader(Reader):
     def init(self):
         self.train_data_path = envs.get_global_env("train_data_path", None, "train.reader")
         self.res = []
         self.max_len = 0
-        
+
         data_file_list = os.listdir(self.train_data_path)
-        for i in  range(0, len(data_file_list)):
+        for i in range(0, len(data_file_list)):
             train_data_file = os.path.join(self.train_data_path, data_file_list[i])
             with open(train_data_file, "r") as fin:
                 for line in fin:
@@ -43,9 +47,6 @@ class TrainReader(Reader):
         self.batch_size = envs.get_global_env("batch_size", 32, "train.reader")
         self.group_size = self.batch_size * 20
 
-
-        
-
     def _process_line(self, line):
         line = line.strip().split(';')
         hist = line[0].split()
@@ -54,22 +55,22 @@ class TrainReader(Reader):
         cate = [int(i) for i in cate]
         return [hist, cate, [int(line[2])], [int(line[3])], [float(line[4])]]
 
-    
     def generate_sample(self, line):
         """
         Read the data line by line and process it as a dictionary
         """
+
         def data_iter():
-            #feat_idx, feat_value, label = self._process_line(line)
+            # feat_idx, feat_value, label = self._process_line(line)
             yield self._process_line(line)
 
         return data_iter
-    
+
     def pad_batch_data(self, input, max_len):
         res = np.array([x + [0] * (max_len - len(x)) for x in input])
         res = res.astype("int64").reshape([-1, max_len])
         return res
-    
+
     def make_data(self, b):
         max_len = max(len(x[0]) for x in b)
         item = self.pad_batch_data([x[0] for x in b], max_len)
@@ -77,7 +78,7 @@ class TrainReader(Reader):
         len_array = [len(x[0]) for x in b]
         mask = np.array(
             [[0] * x + [-1e9] * (max_len - x) for x in len_array]).reshape(
-                [-1, max_len, 1])
+            [-1, max_len, 1])
         target_item_seq = np.array(
             [[x[2]] * max_len for x in b]).astype("int64").reshape([-1, max_len])
         target_cat_seq = np.array(
@@ -89,7 +90,7 @@ class TrainReader(Reader):
                 target_item_seq[i], target_cat_seq[i]
             ])
         return res
-    
+
     def batch_reader(self, reader, batch_size, group_size):
         def batch_reader():
             bg = []
@@ -111,7 +112,7 @@ class TrainReader(Reader):
                     yield self.make_data(b)
 
         return batch_reader
-    
+
     def base_read(self, file_dir):
         res = []
         for train_file in file_dir:
@@ -122,10 +123,8 @@ class TrainReader(Reader):
                     cate = line[1].split()
                     res.append([hist, cate, line[2], line[3], float(line[4])])
         return res
-    
+
     def generate_batch_from_trainfiles(self, files):
         data_set = self.base_read(files)
         random.shuffle(data_set)
         return self.batch_reader(data_set, self.batch_size, self.batch_size * 20)
-        
-        

models/rank/dnn/model.py

@@ -13,6 +13,7 @@
 # limitations under the License.
 
 import math
+
 import paddle.fluid as fluid
 
 from paddlerec.core.utils import envs

models/rank/wide_deep/model.py

@@ -12,9 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import paddle.fluid as fluid
 import math
 
+import paddle.fluid as fluid
+
 from paddlerec.core.utils import envs
 from paddlerec.core.model import Model as ModelBase
 
@@ -22,32 +23,39 @@ from paddlerec.core.model import Model as ModelBase
 class Model(ModelBase):
     def __init__(self, config):
         ModelBase.__init__(self, config)
-    
+
     def wide_part(self, data):
         out = fluid.layers.fc(input=data,
-                            size=1, 
-                            param_attr=fluid.ParamAttr(initializer=fluid.initializer.TruncatedNormal(loc=0.0, scale=1.0 / math.sqrt(data.shape[1])),
-                                                       regularizer=fluid.regularizer.L2DecayRegularizer(regularization_coeff=1e-4)),
-                            act=None,
-                            name='wide')
+                              size=1,
+                              param_attr=fluid.ParamAttr(initializer=fluid.initializer.TruncatedNormal(loc=0.0,
+                                                                                                       scale=1.0 / math.sqrt(
+                                                                                                           data.shape[
+                                                                                                               1])),
+                                                         regularizer=fluid.regularizer.L2DecayRegularizer(
+                                                             regularization_coeff=1e-4)),
+                              act=None,
+                              name='wide')
         return out
-        
+
     def fc(self, data, hidden_units, active, tag):
         output = fluid.layers.fc(input=data,
-                            size=hidden_units, 
-                            param_attr=fluid.ParamAttr(initializer=fluid.initializer.TruncatedNormal(loc=0.0, scale=1.0 / math.sqrt(data.shape[1]))),
-                            act=active,
-                            name=tag)
-                            
+                                 size=hidden_units,
+                                 param_attr=fluid.ParamAttr(initializer=fluid.initializer.TruncatedNormal(loc=0.0,
+                                                                                                          scale=1.0 / math.sqrt(
+                                                                                                              data.shape[
+                                                                                                                  1]))),
+                                 act=active,
+                                 name=tag)
+
         return output
-        
+
     def deep_part(self, data, hidden1_units, hidden2_units, hidden3_units):
         l1 = self.fc(data, hidden1_units, 'relu', 'l1')
         l2 = self.fc(l1, hidden2_units, 'relu', 'l2')
         l3 = self.fc(l2, hidden3_units, 'relu', 'l3')
-        
+
         return l3
-    
+
     def train_net(self):
         wide_input = fluid.data(name='wide_input', shape=[None, 8], dtype='float32')
         deep_input = fluid.data(name='deep_input', shape=[None, 58], dtype='float32')
@@ -61,31 +69,33 @@ class Model(ModelBase):
         hidden3_units = envs.get_global_env("hyper_parameters.hidden3_units", 25, self._namespace)
         wide_output = self.wide_part(wide_input)
         deep_output = self.deep_part(deep_input, hidden1_units, hidden2_units, hidden3_units)
-        
+
         wide_model = fluid.layers.fc(input=wide_output,
-                        size=1, 
-                        param_attr=fluid.ParamAttr(initializer=fluid.initializer.TruncatedNormal(loc=0.0, scale=1.0)),
-                        act=None,
-                        name='w_wide')
-                        
+                                     size=1,
+                                     param_attr=fluid.ParamAttr(
+                                         initializer=fluid.initializer.TruncatedNormal(loc=0.0, scale=1.0)),
+                                     act=None,
+                                     name='w_wide')
+
         deep_model = fluid.layers.fc(input=deep_output,
-                        size=1, 
-                        param_attr=fluid.ParamAttr(initializer=fluid.initializer.TruncatedNormal(loc=0.0, scale=1.0)),
-                        act=None,
-                        name='w_deep')
-                    
+                                     size=1,
+                                     param_attr=fluid.ParamAttr(
+                                         initializer=fluid.initializer.TruncatedNormal(loc=0.0, scale=1.0)),
+                                     act=None,
+                                     name='w_deep')
+
         prediction = fluid.layers.elementwise_add(wide_model, deep_model)
         pred = fluid.layers.sigmoid(fluid.layers.clip(prediction, min=-15.0, max=15.0), name="prediction")
 
         num_seqs = fluid.layers.create_tensor(dtype='int64')
         acc = fluid.layers.accuracy(input=pred, label=fluid.layers.cast(x=label, dtype='int64'), total=num_seqs)
         auc_var, batch_auc, auc_states = fluid.layers.auc(input=pred, label=fluid.layers.cast(x=label, dtype='int64'))
-        
+
         self._metrics["AUC"] = auc_var
         self._metrics["BATCH_AUC"] = batch_auc
         self._metrics["ACC"] = acc
 
-        cost = fluid.layers.sigmoid_cross_entropy_with_logits(x=prediction, label=label) 
+        cost = fluid.layers.sigmoid_cross_entropy_with_logits(x=prediction, label=label)
         avg_cost = fluid.layers.mean(cost)
         self._cost = avg_cost
 
@@ -95,4 +105,4 @@ class Model(ModelBase):
         return optimizer
 
     def infer_net(self, parameter_list):
-        self.deepfm_net()
+        self.deepfm_net()
\ No newline at end of file

models/rank/wide_deep/reader.py

@@ -11,15 +11,17 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
 from __future__ import print_function
 
-from paddlerec.core.reader import Reader
-from paddlerec.core.utils import envs
 try:
     import cPickle as pickle
 except ImportError:
     import pickle
 
+from paddlerec.core.reader import Reader
+
+
 class TrainReader(Reader):
     def init(self):
         pass
@@ -28,16 +30,17 @@ class TrainReader(Reader):
         line = line.strip().split(',')
         features = list(map(float, line))
         wide_feat = features[0:8]
-        deep_feat = features[8:58+8]
+        deep_feat = features[8:58 + 8]
         label = features[-1]
         return wide_feat, deep_feat, [label]
-    
+
     def generate_sample(self, line):
         """
         Read the data line by line and process it as a dictionary
         """
+
         def data_iter():
             wide_feat, deep_deat, label = self._process_line(line)
             yield [('wide_input', wide_feat), ('deep_input', deep_deat), ('label', label)]
 
-        return data_iter
+        return data_iter
\ No newline at end of file

models/rank/xdeepfm/criteo_reader.py

@@ -11,19 +11,21 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
 from __future__ import print_function
 
-from paddlerec.core.reader import Reader
-from paddlerec.core.utils import envs
 try:
     import cPickle as pickle
 except ImportError:
     import pickle
 
-class TrainReader(Reader): 
+from paddlerec.core.reader import Reader
+
+
+class TrainReader(Reader):
     def init(self):
         pass
-    
+
     def _process_line(self, line):
         features = line.strip('\n').split('\t')
         feat_idx = []
@@ -33,11 +35,11 @@ class TrainReader(Reader):
             feat_value.append(1.0)
         label = [int(features[0])]
         return feat_idx, feat_value, label
-    
+
     def generate_sample(self, line):
         def data_iter():
             feat_idx, feat_value, label = self._process_line(line)
             yield [('feat_idx', feat_idx), ('feat_value', feat_value), ('label',
                                                                         label)]
 
-        return data_iter
+        return data_iter
\ No newline at end of file

models/rank/xdeepfm/model.py

@@ -13,7 +13,6 @@
 # limitations under the License.
 
 import paddle.fluid as fluid
-import math
 
 from paddlerec.core.utils import envs
 from paddlerec.core.model import Model as ModelBase
@@ -27,13 +26,13 @@ class Model(ModelBase):
         init_value_ = 0.1
         initer = fluid.initializer.TruncatedNormalInitializer(
             loc=0.0, scale=init_value_)
-        
+
         is_distributed = True if envs.get_trainer() == "CtrTrainer" else False
         sparse_feature_number = envs.get_global_env("hyper_parameters.sparse_feature_number", None, self._namespace)
         sparse_feature_dim = envs.get_global_env("hyper_parameters.sparse_feature_dim", None, self._namespace)
-        
+
         # ------------------------- network input --------------------------
-        
+
         num_field = envs.get_global_env("hyper_parameters.num_field", None, self._namespace)
         raw_feat_idx = fluid.data(name='feat_idx', shape=[None, num_field], dtype='int64')
         raw_feat_value = fluid.data(name='feat_value', shape=[None, num_field], dtype='float32')
@@ -52,16 +51,16 @@ class Model(ModelBase):
             feat_embeddings,
             [-1, num_field, sparse_feature_dim])  # None * num_field * embedding_size
         feat_embeddings = feat_embeddings * feat_value  # None * num_field * embedding_size
-        
+
         # ------------------------- set _data_var --------------------------
-        
+
         self._data_var.append(raw_feat_idx)
         self._data_var.append(raw_feat_value)
         self._data_var.append(self.label)
         if self._platform != "LINUX":
             self._data_loader = fluid.io.DataLoader.from_generator(
                 feed_list=self._data_var, capacity=64, use_double_buffer=False, iterable=False)
-        
+
         # -------------------- linear  --------------------
 
         weights_linear = fluid.embedding(
@@ -79,7 +78,7 @@ class Model(ModelBase):
             default_initializer=fluid.initializer.ConstantInitializer(value=0))
         y_linear = fluid.layers.reduce_sum(
             (weights_linear * feat_value), 1) + b_linear
-        
+
         # -------------------- CIN  --------------------
 
         layer_sizes_cin = envs.get_global_env("hyper_parameters.layer_sizes_cin", None, self._namespace)
@@ -90,7 +89,7 @@ class Model(ModelBase):
             X_0 = fluid.layers.reshape(
                 fluid.layers.transpose(Xs[0], [0, 2, 1]),
                 [-1, sparse_feature_dim, num_field,
-                1])  # None, embedding_size, num_field, 1
+                 1])  # None, embedding_size, num_field, 1
             X_k = fluid.layers.reshape(
                 fluid.layers.transpose(Xs[-1], [0, 2, 1]),
                 [-1, sparse_feature_dim, 1, last_s])  # None, embedding_size, 1, last_s
@@ -136,7 +135,7 @@ class Model(ModelBase):
         layer_sizes_dnn = envs.get_global_env("hyper_parameters.layer_sizes_dnn", None, self._namespace)
         act = envs.get_global_env("hyper_parameters.act", None, self._namespace)
         y_dnn = fluid.layers.reshape(feat_embeddings,
-                                    [-1, num_field * sparse_feature_dim])
+                                     [-1, num_field * sparse_feature_dim])
         for s in layer_sizes_dnn:
             y_dnn = fluid.layers.fc(input=y_dnn,
                                     size=s,
@@ -152,7 +151,7 @@ class Model(ModelBase):
         # ------------------- xDeepFM ------------------
 
         self.predict = fluid.layers.sigmoid(y_linear + y_cin + y_dnn)
-        
+
     def train_net(self):
         self.xdeepfm_net()
 
@@ -164,15 +163,15 @@ class Model(ModelBase):
         predict_2d = fluid.layers.concat([1 - self.predict, self.predict], 1)
         label_int = fluid.layers.cast(self.label, 'int64')
         auc_var, batch_auc_var, _ = fluid.layers.auc(input=predict_2d,
-                                                            label=label_int,
-                                                            slide_steps=0)
+                                                     label=label_int,
+                                                     slide_steps=0)
         self._metrics["AUC"] = auc_var
         self._metrics["BATCH_AUC"] = batch_auc_var
-    
+
     def optimizer(self):
         learning_rate = envs.get_global_env("hyper_parameters.learning_rate", None, self._namespace)
         optimizer = fluid.optimizer.Adam(learning_rate, lazy_mode=True)
         return optimizer
 
     def infer_net(self, parameter_list):
-        self.xdeepfm_net()
+        self.xdeepfm_net()
\ No newline at end of file

models/recall/gnn/data_process.sh

 #! /bin/bash
 
+# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 set -e
 echo "begin to download data"
 

models/recall/gnn/evaluate_reader.py

@@ -11,10 +11,12 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-import numpy as np
-import io
+
 import copy
 import random
+
+import numpy as np
+
 from paddlerec.core.reader import Reader
 from paddlerec.core.utils import envs
 
@@ -22,17 +24,17 @@ from paddlerec.core.utils import envs
 class EvaluateReader(Reader):
     def init(self):
         self.batch_size = envs.get_global_env("batch_size", None, "evaluate.reader")
-        
+
         self.input = []
         self.length = None
 
     def base_read(self, files):
         res = []
         for f in files:
-	    with open(f, "r") as fin:
+            with open(f, "r") as fin:
                 for line in fin:
-		    line = line.strip().split('\t')
-		    res.append(tuple([map(int, line[0].split(',')), int(line[1])]))
+                    line = line.strip().split('\t')
+                    res.append(tuple([map(int, line[0].split(',')), int(line[1])]))
         return res
 
     def make_data(self, cur_batch, batch_size):
@@ -120,10 +122,11 @@ class EvaluateReader(Reader):
                 else:
                     # Due to fixed batch_size, discard the remaining ins
                     return
-                    #cur_batch = remain_data[i:]
-                    #yield self.make_data(cur_batch, group_remain % batch_size)
+                    # cur_batch = remain_data[i:]
+                    # yield self.make_data(cur_batch, group_remain % batch_size)
+
         return _reader
- 
+
     def generate_batch_from_trainfiles(self, files):
         self.input = self.base_read(files)
         self.length = len(self.input)
@@ -132,4 +135,5 @@ class EvaluateReader(Reader):
     def generate_sample(self, line):
         def data_iter():
             yield []
+
         return data_iter

models/recall/gnn/model.py

@@ -12,8 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import numpy as np
 import math
+import numpy as np
+
 import paddle.fluid as fluid
 import paddle.fluid.layers as layers
 
@@ -25,19 +26,19 @@ class Model(ModelBase):
     def __init__(self, config):
         ModelBase.__init__(self, config)
         self.init_config()
-        
+
     def init_config(self):
         self._fetch_interval = 1
-        self.items_num, self.ins_num = self.config_read(envs.get_global_env("hyper_parameters.config_path", None, self._namespace))
+        self.items_num, self.ins_num = self.config_read(
+            envs.get_global_env("hyper_parameters.config_path", None, self._namespace))
         self.train_batch_size = envs.get_global_env("batch_size", None, "train.reader")
         self.evaluate_batch_size = envs.get_global_env("batch_size", None, "evaluate.reader")
         self.hidden_size = envs.get_global_env("hyper_parameters.sparse_feature_dim", None, self._namespace)
         self.step = envs.get_global_env("hyper_parameters.gnn_propogation_steps", None, self._namespace)
 
-
     def config_read(self, config_path=None):
-	if config_path is None:
-	    raise ValueError("please set train.model.hyper_parameters.config_path at first")
+        if config_path is None:
+            raise ValueError("please set train.model.hyper_parameters.config_path at first")
         with open(config_path, "r") as fin:
             item_nums = int(fin.readline().strip())
             ins_nums = int(fin.readline().strip())
@@ -47,49 +48,49 @@ class Model(ModelBase):
         self.items = fluid.data(
             name="items",
             shape=[bs, -1],
-            dtype="int64") #[batch_size, uniq_max]
+            dtype="int64")  # [batch_size, uniq_max]
         self.seq_index = fluid.data(
             name="seq_index",
             shape=[bs, -1, 2],
-            dtype="int32") #[batch_size, seq_max, 2]
+            dtype="int32")  # [batch_size, seq_max, 2]
         self.last_index = fluid.data(
             name="last_index",
             shape=[bs, 2],
-            dtype="int32") #[batch_size, 2]
+            dtype="int32")  # [batch_size, 2]
         self.adj_in = fluid.data(
             name="adj_in",
             shape=[bs, -1, -1],
-            dtype="float32") #[batch_size, seq_max, seq_max]
+            dtype="float32")  # [batch_size, seq_max, seq_max]
         self.adj_out = fluid.data(
             name="adj_out",
             shape=[bs, -1, -1],
-            dtype="float32") #[batch_size, seq_max, seq_max]
+            dtype="float32")  # [batch_size, seq_max, seq_max]
         self.mask = fluid.data(
             name="mask",
             shape=[bs, -1, 1],
-            dtype="float32") #[batch_size, seq_max, 1]
+            dtype="float32")  # [batch_size, seq_max, 1]
         self.label = fluid.data(
             name="label",
             shape=[bs, 1],
-            dtype="int64") #[batch_size, 1] 
+            dtype="int64")  # [batch_size, 1]
 
         res = [self.items, self.seq_index, self.last_index, self.adj_in, self.adj_out, self.mask, self.label]
         return res
-    
+
     def train_input(self):
         res = self.input(self.train_batch_size)
         self._data_var = res
 
-        use_dataloader = envs.get_global_env("hyper_parameters.use_DataLoader", False, self._namespace) 
+        use_dataloader = envs.get_global_env("hyper_parameters.use_DataLoader", False, self._namespace)
 
         if self._platform != "LINUX" or use_dataloader:
             self._data_loader = fluid.io.DataLoader.from_generator(
                 feed_list=self._data_var, capacity=256, use_double_buffer=False, iterable=False)
 
     def net(self, items_num, hidden_size, step, bs):
-	stdv = 1.0 / math.sqrt(hidden_size)
+        stdv = 1.0 / math.sqrt(hidden_size)
 
-	def embedding_layer(input, table_name, emb_dim, initializer_instance=None):
+        def embedding_layer(input, table_name, emb_dim, initializer_instance=None):
             emb = fluid.embedding(
                 input=input,
                 size=[items_num, emb_dim],
@@ -97,10 +98,10 @@ class Model(ModelBase):
                     name=table_name,
                     initializer=initializer_instance),
             )
-	    return emb
-	
-	sparse_initializer = fluid.initializer.Uniform(low=-stdv, high=stdv)
-	items_emb = embedding_layer(self.items, "emb", hidden_size, sparse_initializer)
+            return emb
+
+        sparse_initializer = fluid.initializer.Uniform(low=-stdv, high=stdv)
+        items_emb = embedding_layer(self.items, "emb", hidden_size, sparse_initializer)
         pre_state = items_emb
         for i in range(step):
             pre_state = layers.reshape(x=pre_state, shape=[bs, -1, hidden_size])
@@ -113,7 +114,7 @@ class Model(ModelBase):
                 param_attr=fluid.ParamAttr(initializer=fluid.initializer.Uniform(
                     low=-stdv, high=stdv)),
                 bias_attr=fluid.ParamAttr(initializer=fluid.initializer.Uniform(
-                    low=-stdv, high=stdv)))  #[batch_size, uniq_max, h]
+                    low=-stdv, high=stdv)))  # [batch_size, uniq_max, h]
             state_out = layers.fc(
                 input=pre_state,
                 name="state_out",
@@ -123,13 +124,13 @@ class Model(ModelBase):
                 param_attr=fluid.ParamAttr(initializer=fluid.initializer.Uniform(
                     low=-stdv, high=stdv)),
                 bias_attr=fluid.ParamAttr(initializer=fluid.initializer.Uniform(
-                    low=-stdv, high=stdv)))  #[batch_size, uniq_max, h]
-    
-            state_adj_in = layers.matmul(self.adj_in, state_in)  #[batch_size, uniq_max, h]
-            state_adj_out = layers.matmul(self.adj_out, state_out)   #[batch_size, uniq_max, h]
-    
+                    low=-stdv, high=stdv)))  # [batch_size, uniq_max, h]
+
+            state_adj_in = layers.matmul(self.adj_in, state_in)  # [batch_size, uniq_max, h]
+            state_adj_out = layers.matmul(self.adj_out, state_out)  # [batch_size, uniq_max, h]
+
             gru_input = layers.concat([state_adj_in, state_adj_out], axis=2)
-    
+
             gru_input = layers.reshape(x=gru_input, shape=[-1, hidden_size * 2])
             gru_fc = layers.fc(
                 input=gru_input,
@@ -140,11 +141,11 @@ class Model(ModelBase):
                 input=gru_fc,
                 hidden=layers.reshape(x=pre_state, shape=[-1, hidden_size]),
                 size=3 * hidden_size)
-    
+
         final_state = layers.reshape(pre_state, shape=[bs, -1, hidden_size])
         seq = layers.gather_nd(final_state, self.seq_index)
         last = layers.gather_nd(final_state, self.last_index)
-    
+
         seq_fc = layers.fc(
             input=seq,
             name="seq_fc",
@@ -154,7 +155,7 @@ class Model(ModelBase):
             num_flatten_dims=2,
             param_attr=fluid.ParamAttr(
                 initializer=fluid.initializer.Uniform(
-                low=-stdv, high=stdv)))  #[batch_size, seq_max, h]
+                    low=-stdv, high=stdv)))  # [batch_size, seq_max, h]
         last_fc = layers.fc(
             input=last,
             name="last_fc",
@@ -164,22 +165,22 @@ class Model(ModelBase):
             num_flatten_dims=1,
             param_attr=fluid.ParamAttr(
                 initializer=fluid.initializer.Uniform(
-                low=-stdv, high=stdv)))  #[bathc_size, h]
-    
+                    low=-stdv, high=stdv)))  # [bathc_size, h]
+
         seq_fc_t = layers.transpose(
-            seq_fc, perm=[1, 0, 2])  #[seq_max, batch_size, h]
+            seq_fc, perm=[1, 0, 2])  # [seq_max, batch_size, h]
         add = layers.elementwise_add(
-            seq_fc_t, last_fc)  #[seq_max, batch_size, h]
+            seq_fc_t, last_fc)  # [seq_max, batch_size, h]
         b = layers.create_parameter(
             shape=[hidden_size],
             dtype='float32',
-            default_initializer=fluid.initializer.Constant(value=0.0))  #[h]
-        add = layers.elementwise_add(add, b)  #[seq_max, batch_size, h]
-    
-        add_sigmoid = layers.sigmoid(add) #[seq_max, batch_size, h] 
+            default_initializer=fluid.initializer.Constant(value=0.0))  # [h]
+        add = layers.elementwise_add(add, b)  # [seq_max, batch_size, h]
+
+        add_sigmoid = layers.sigmoid(add)  # [seq_max, batch_size, h]
         add_sigmoid = layers.transpose(
-            add_sigmoid, perm=[1, 0, 2])  #[batch_size, seq_max, h]
-    
+            add_sigmoid, perm=[1, 0, 2])  # [batch_size, seq_max, h]
+
         weight = layers.fc(
             input=add_sigmoid,
             name="weight_fc",
@@ -189,13 +190,13 @@ class Model(ModelBase):
             bias_attr=False,
             param_attr=fluid.ParamAttr(
                 initializer=fluid.initializer.Uniform(
-                    low=-stdv, high=stdv)))  #[batch_size, seq_max, 1]
+                    low=-stdv, high=stdv)))  # [batch_size, seq_max, 1]
         weight *= self.mask
-        weight_mask = layers.elementwise_mul(seq, weight, axis=0) #[batch_size, seq_max, h]
-        global_attention = layers.reduce_sum(weight_mask, dim=1) #[batch_size, h]
-    
+        weight_mask = layers.elementwise_mul(seq, weight, axis=0)  # [batch_size, seq_max, h]
+        global_attention = layers.reduce_sum(weight_mask, dim=1)  # [batch_size, h]
+
         final_attention = layers.concat(
-            [global_attention, last], axis=1)  #[batch_size, 2*h]
+            [global_attention, last], axis=1)  # [batch_size, 2*h]
         final_attention_fc = layers.fc(
             input=final_attention,
             name="final_attention_fc",
@@ -203,14 +204,14 @@ class Model(ModelBase):
             bias_attr=False,
             act=None,
             param_attr=fluid.ParamAttr(initializer=fluid.initializer.Uniform(
-                low=-stdv, high=stdv)))  #[batch_size, h]
-    
-       # all_vocab = layers.create_global_var(
-       #     shape=[items_num - 1],
-       #     value=0,
-       #     dtype="int64",
-       #     persistable=True,
-       #     name="all_vocab")
+                low=-stdv, high=stdv)))  # [batch_size, h]
+
+        # all_vocab = layers.create_global_var(
+        #     shape=[items_num - 1],
+        #     value=0,
+        #     dtype="int64",
+        #     persistable=True,
+        #     name="all_vocab")
         all_vocab = np.arange(1, items_num).reshape((-1)).astype('int32')
         all_vocab = fluid.layers.cast(x=fluid.layers.assign(all_vocab), dtype='int64')
 
@@ -220,13 +221,13 @@ class Model(ModelBase):
                 name="emb",
                 initializer=fluid.initializer.Uniform(
                     low=-stdv, high=stdv)),
-            size=[items_num, hidden_size])  #[all_vocab, h]
-    
+            size=[items_num, hidden_size])  # [all_vocab, h]
+
         logits = layers.matmul(
             x=final_attention_fc, y=all_emb,
-            transpose_y=True)  #[batch_size, all_vocab]
+            transpose_y=True)  # [batch_size, all_vocab]
         softmax = layers.softmax_with_cross_entropy(
-            logits=logits, label=self.label)  #[batch_size, 1]
+            logits=logits, label=self.label)  # [batch_size, 1]
         self.loss = layers.reduce_mean(softmax)  # [1]
         self.acc = layers.accuracy(input=logits, label=self.label, k=20)
 
@@ -249,7 +250,7 @@ class Model(ModelBase):
         decay_steps = envs.get_global_env("hyper_parameters.decay_steps", None, self._namespace)
         decay_rate = envs.get_global_env("hyper_parameters.decay_rate", None, self._namespace)
         l2 = envs.get_global_env("hyper_parameters.l2", None, self._namespace)
-	optimizer = fluid.optimizer.Adam(
+        optimizer = fluid.optimizer.Adam(
             learning_rate=fluid.layers.exponential_decay(
                 learning_rate=learning_rate,
                 decay_steps=decay_steps * step_per_epoch,
@@ -257,18 +258,18 @@ class Model(ModelBase):
             regularization=fluid.regularizer.L2DecayRegularizer(
                 regularization_coeff=l2))
 
-	return optimizer
+        return optimizer
 
     def infer_input(self):
         self._reader_namespace = "evaluate.reader"
         res = self.input(self.evaluate_batch_size)
-	self._infer_data_var = res
+        self._infer_data_var = res
 
         self._infer_data_loader = fluid.io.DataLoader.from_generator(
             feed_list=self._infer_data_var, capacity=64, use_double_buffer=False, iterable=False)
- 
+
     def infer_net(self):
-	self.infer_input()
-	self.net(self.items_num, self.hidden_size, self.step, self.evaluate_batch_size)
+        self.infer_input()
+        self.net(self.items_num, self.hidden_size, self.step, self.evaluate_batch_size)
         self._infer_results['acc'] = self.acc
-	self._infer_results['loss'] = self.loss
+        self._infer_results['loss'] = self.loss

models/recall/gnn/reader.py

@@ -11,10 +11,12 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-import numpy as np
-import io
+
 import copy
 import random
+
+import numpy as np
+
 from paddlerec.core.reader import Reader
 from paddlerec.core.utils import envs
 
@@ -22,17 +24,17 @@ from paddlerec.core.utils import envs
 class TrainReader(Reader):
     def init(self):
         self.batch_size = envs.get_global_env("batch_size", None, "train.reader")
-        
+
         self.input = []
         self.length = None
 
     def base_read(self, files):
         res = []
         for f in files:
-	    with open(f, "r") as fin:
+            with open(f, "r") as fin:
                 for line in fin:
-		    line = line.strip().split('\t')
-		    res.append(tuple([map(int, line[0].split(',')), int(line[1])]))
+                    line = line.strip().split('\t')
+                    res.append(tuple([map(int, line[0].split(',')), int(line[1])]))
         return res
 
     def make_data(self, cur_batch, batch_size):
@@ -120,10 +122,11 @@ class TrainReader(Reader):
                 else:
                     # Due to fixed batch_size, discard the remaining ins
                     return
-                    #cur_batch = remain_data[i:]
-                    #yield self.make_data(cur_batch, group_remain % batch_size)
+                    # cur_batch = remain_data[i:]
+                    # yield self.make_data(cur_batch, group_remain % batch_size)
+
         return _reader
- 
+
     def generate_batch_from_trainfiles(self, files):
         self.input = self.base_read(files)
         self.length = len(self.input)
@@ -132,4 +135,5 @@ class TrainReader(Reader):
     def generate_sample(self, line):
         def data_iter():
             yield []
+
         return data_iter

models/recall/gru4rec/model.py

@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import math
 import paddle.fluid as fluid
 
 from paddlerec.core.utils import envs
@@ -87,10 +86,8 @@ class Model(ModelBase):
         self._metrics["cost"] = avg_cost
         self._metrics["acc"] = acc
 
-
     def train_net(self):
         self.all_vocab_network()
 
-
     def infer_net(self):
         self.all_vocab_network(is_infer=True)

models/recall/gru4rec/rsc15_infer_reader.py

@@ -11,10 +11,10 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
 from __future__ import print_function
 
 from paddlerec.core.reader import Reader
-from paddlerec.core.utils import envs
 
 
 class EvaluateReader(Reader):

models/recall/gru4rec/rsc15_reader.py

@@ -11,10 +11,10 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
 from __future__ import print_function
 
 from paddlerec.core.reader import Reader
-from paddlerec.core.utils import envs
 
 
 class TrainReader(Reader):

models/recall/ssr/model.py

@@ -12,15 +12,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import math
 import paddle.fluid as fluid
-
-from paddlerec.core.utils import envs
-from paddlerec.core.model import Model as ModelBase
 import paddle.fluid.layers.tensor as tensor
-import paddle.fluid.layers.io as io
 import paddle.fluid.layers.control_flow as cf
 
+from paddlerec.core.utils import envs
+from paddlerec.core.model import Model as ModelBase
 
 
 class BowEncoder(object):
@@ -54,6 +51,7 @@ class GrnnEncoder(object):
             bias_attr=self.param_name + ".bias")
         return fluid.layers.sequence_pool(input=gru_h, pool_type='max')
 
+
 class PairwiseHingeLoss(object):
     def __init__(self, margin=0.8):
         self.margin = margin
@@ -70,6 +68,7 @@ class PairwiseHingeLoss(object):
             loss_part2)
         return loss_part3
 
+
 class Model(ModelBase):
     def __init__(self, config):
         ModelBase.__init__(self, config)
@@ -80,7 +79,6 @@ class Model(ModelBase):
         return correct
 
     def train(self):
-        
         vocab_size = envs.get_global_env("hyper_parameters.vocab_size", None, self._namespace)
         emb_dim = envs.get_global_env("hyper_parameters.emb_dim", None, self._namespace)
         hidden_size = envs.get_global_env("hyper_parameters.hidden_size", None, self._namespace)
@@ -124,16 +122,14 @@ class Model(ModelBase):
         hinge_loss = self.pairwise_hinge_loss.forward(cos_pos, cos_neg)
         avg_cost = fluid.layers.mean(hinge_loss)
         correct = self.get_correct(cos_neg, cos_pos)
-        
+
         self._cost = avg_cost
         self._metrics["correct"] = correct
         self._metrics["hinge_loss"] = hinge_loss
 
-
     def train_net(self):
         self.train()
 
-
     def infer(self):
         vocab_size = envs.get_global_env("hyper_parameters.vocab_size", None, self._namespace)
         emb_dim = envs.get_global_env("hyper_parameters.emb_dim", None, self._namespace)
@@ -146,7 +142,7 @@ class Model(ModelBase):
         pos_label = fluid.data(name="pos_label", shape=[None, 1], dtype="int64")
         self._infer_data_var = [user_data, all_item_data, pos_label]
         self._infer_data_loader = fluid.io.DataLoader.from_generator(
-                feed_list=self._infer_data_var, capacity=64, use_double_buffer=False, iterable=False)
+            feed_list=self._infer_data_var, capacity=64, use_double_buffer=False, iterable=False)
 
         user_emb = fluid.embedding(
             input=user_data, size=[vocab_size, emb_dim], param_attr="emb.item")
@@ -173,6 +169,5 @@ class Model(ModelBase):
 
         self._infer_results['recall20'] = acc
 
-
     def infer_net(self):
         self.infer()

models/recall/ssr/ssr_infer_reader.py

@@ -11,19 +11,19 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
 from __future__ import print_function
 
+import numpy as np
+
 from paddlerec.core.reader import Reader
 from paddlerec.core.utils import envs
-import random
-import numpy as np
 
 
 class EvaluateReader(Reader):
     def init(self):
         self.vocab_size = envs.get_global_env("vocab_size", 10, "train.model.hyper_parameters")
 
-
     def generate_sample(self, line):
         """
         Read the data line by line and process it as a dictionary
@@ -39,6 +39,6 @@ class EvaluateReader(Reader):
             src = conv_ids[:boundary]
             pos_tgt = [conv_ids[boundary]]
             feature_name = ["user", "all_item", "p_item"]
-            yield zip(feature_name, [src] + [np.arange(self.vocab_size).astype("int64").tolist()]+ [pos_tgt])
+            yield zip(feature_name, [src] + [np.arange(self.vocab_size).astype("int64").tolist()] + [pos_tgt])
 
         return reader

models/recall/ssr/ssr_reader.py

@@ -11,12 +11,13 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
 from __future__ import print_function
 
-from paddlerec.core.reader import Reader
-from paddlerec.core.utils import envs
 import random
 
+from paddlerec.core.reader import Reader
+
 
 class TrainReader(Reader):
     def init(self):
@@ -25,7 +26,6 @@ class TrainReader(Reader):
     def sample_neg_from_seq(self, seq):
         return seq[random.randint(0, len(seq) - 1)]
 
-
     def generate_sample(self, line):
         """
         Read the data line by line and process it as a dictionary

models/recall/word2vec/model.py

@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import math
 import numpy as np
 import paddle.fluid as fluid
 

models/recall/word2vec/prepare_data.sh

 #! /bin/bash
 
+# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
 # download train_data
 mkdir raw_data
 wget --no-check-certificate https://paddlerec.bj.bcebos.com/word2vec/1-billion-word-language-modeling-benchmark-r13output.tar

models/recall/word2vec/preprocess.py

@@ -13,13 +13,15 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import io
+import math
 import os
 import random
 import re
 import six
+
 import argparse
-import io
-import math
+
 prog = re.compile("[^a-z ]", flags=0)
 
 
@@ -73,7 +75,7 @@ def parse_args():
 
 
 def text_strip(text):
-    #English Preprocess Rule
+    # English Preprocess Rule
     return prog.sub("", text.lower())
 
 
@@ -115,7 +117,7 @@ def filter_corpus(args):
     word_all_count = 0
     id_counts = []
     word_id = 0
-    #read dict
+    # read dict
     with io.open(args.dict_path, 'r', encoding='utf-8') as f:
         for line in f:
             word, count = line.split()[0], int(line.split()[1])
@@ -125,13 +127,13 @@ def filter_corpus(args):
             id_counts.append(count)
             word_all_count += count
 
-    #write word2id file
+    # write word2id file
     print("write word2id file to : " + args.dict_path + "_word_to_id_")
     with io.open(
             args.dict_path + "_word_to_id_", 'w+', encoding='utf-8') as fid:
         for k, v in word_to_id_.items():
             fid.write(k + " " + str(v) + '\n')
-    #filter corpus and convert id
+    # filter corpus and convert id
     if not os.path.exists(args.output_corpus_dir):
         os.makedirs(args.output_corpus_dir)
     for file in os.listdir(args.input_corpus_dir):
@@ -152,9 +154,9 @@ def filter_corpus(args):
                         count_w = id_counts[idx]
                         corpus_size = word_all_count
                         keep_prob = (
-                            math.sqrt(count_w /
-                                      (args.downsample * corpus_size)) + 1
-                        ) * (args.downsample * corpus_size) / count_w
+                                            math.sqrt(count_w /
+                                                      (args.downsample * corpus_size)) + 1
+                                    ) * (args.downsample * corpus_size) / count_w
                         r_value = random.random()
                         if r_value > keep_prob:
                             continue
@@ -200,7 +202,7 @@ def build_dict(args):
     for item in item_to_remove:
         unk_sum += word_count[item]
         del word_count[item]
-    #sort by count
+    # sort by count
     word_count[native_to_unicode('<UNK>')] = unk_sum
     word_count = sorted(
         word_count.items(), key=lambda word_count: -word_count[1])
@@ -222,17 +224,18 @@ def data_split(args):
     for file_ in files:
         with open(os.path.join(raw_data_dir, file_), 'r') as f:
             contents.extend(f.readlines())
-    
+
     num = int(args.file_nums)
     lines_per_file = len(contents) / num
     print("contents: ", str(len(contents)))
     print("lines_per_file: ", str(lines_per_file))
-    
-    for i in range(1, num+1):
+
+    for i in range(1, num + 1):
         with open(os.path.join(new_data_dir, "part_" + str(i)), 'w') as fout:
-            data = contents[(i-1)*lines_per_file:min(i*lines_per_file,len(contents))]
+            data = contents[(i - 1) * lines_per_file:min(i * lines_per_file, len(contents))]
             for line in data:
-               fout.write(line)
+                fout.write(line)
+
 
 if __name__ == "__main__":
     args = parse_args()

models/recall/word2vec/w2v_evaluate_reader.py

@@ -11,16 +11,18 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-import numpy as np
+
 import io
+
 import six
+
 from paddlerec.core.reader import Reader
 from paddlerec.core.utils import envs
 
 
 class EvaluateReader(Reader):
     def init(self):
-        dict_path = envs.get_global_env("word_id_dict_path", None, "evaluate.reader") 
+        dict_path = envs.get_global_env("word_id_dict_path", None, "evaluate.reader")
         self.word_to_id = dict()
         self.id_to_word = dict()
         with io.open(dict_path, 'r', encoding='utf-8') as f:
@@ -46,19 +48,16 @@ class EvaluateReader(Reader):
             if isinstance(s, str):
                 return True
         return False
-    
-    
+
     def _to_unicode(self, s, ignore_errors=False):
         if self._is_unicode(s):
             return s
         error_mode = "ignore" if ignore_errors else "strict"
         return s.decode("utf-8", errors=error_mode)
-    
-    
+
     def strip_lines(self, line, vocab):
         return self._replace_oov(vocab, self.native_to_unicode(line))
-    
-    
+
     def _replace_oov(self, original_vocab, line):
         """Replace out-of-vocab words with "<UNK>".
       This maintains compatibility with published results.
@@ -76,5 +75,7 @@ class EvaluateReader(Reader):
         def reader():
             features = self.strip_lines(line.lower(), self.word_to_id)
             features = features.split()
-            yield [('analogy_a', [self.word_to_id[features[0]]]), ('analogy_b', [self.word_to_id[features[1]]]), ('analogy_c', [self.word_to_id[features[2]]]), ('analogy_d', [self.word_to_id[features[3]]])]
+            yield [('analogy_a', [self.word_to_id[features[0]]]), ('analogy_b', [self.word_to_id[features[1]]]),
+                   ('analogy_c', [self.word_to_id[features[2]]]), ('analogy_d', [self.word_to_id[features[3]]])]
+
         return reader

models/recall/word2vec/w2v_reader.py

@@ -11,8 +11,11 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-import numpy as np
+
 import io
+
+import numpy as np
+
 from paddlerec.core.reader import Reader
 from paddlerec.core.utils import envs
 
@@ -37,7 +40,7 @@ class NumpyRandomInt(object):
 
 class TrainReader(Reader):
     def init(self):
-        dict_path = envs.get_global_env("word_count_dict_path", None, "train.reader") 
+        dict_path = envs.get_global_env("word_count_dict_path", None, "train.reader")
         self.window_size = envs.get_global_env("hyper_parameters.window_size", None, "train.model")
         self.neg_num = envs.get_global_env("hyper_parameters.neg_num", None, "train.model")
         self.with_shuffle_batch = envs.get_global_env("hyper_parameters.with_shuffle_batch", None, "train.model")
@@ -72,7 +75,7 @@ class TrainReader(Reader):
             start_point = 0
         end_point = idx + target_window
         targets = words[start_point:idx] + words[idx + 1:end_point + 1]
-        return targets 
+        return targets
 
     def generate_sample(self, line):
         def reader():
@@ -84,7 +87,7 @@ class TrainReader(Reader):
                     output = [('input_word', [int(target_id)]), ('true_label', [int(context_id)])]
                     if not self.with_shuffle_batch:
                         neg_array = self.cs.searchsorted(np.random.sample(self.neg_num))
-                        output += [('neg_label', [int(str(i)) for i in neg_array ])]
+                        output += [('neg_label', [int(str(i)) for i in neg_array])]
                     yield output
-        return reader
 
+        return reader

models/treebased/tdm/model.py

@@ -14,8 +14,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 """
+
 import paddle.fluid as fluid
-import math
 
 from paddlerec.core.utils import envs
 from paddlerec.core.model import Model as ModelBase
@@ -134,7 +134,7 @@ class Model(ModelBase):
         sample_nodes_emb = [
             fluid.layers.reshape(sample_nodes_emb[i],
                                  [-1, self.neg_sampling_list[i] +
-                                     self.output_positive, self.node_emb_size]
+                                  self.output_positive, self.node_emb_size]
                                  ) for i in range(self.max_layers)
         ]
 
@@ -229,7 +229,7 @@ class Model(ModelBase):
                 act=self.act,
                 param_attr=fluid.ParamAttr(
                     name="trans.layer_fc.weight." + str(i)),
-                bias_attr=fluid.ParamAttr(name="trans.layer_fc.bias."+str(i)),
+                bias_attr=fluid.ParamAttr(name="trans.layer_fc.bias." + str(i)),
             ) for i in range(self.max_layers)
         ]
 
@@ -268,8 +268,8 @@ class Model(ModelBase):
                 num_flatten_dims=2,
                 act=self.act,
                 param_attr=fluid.ParamAttr(
-                    name="cls.concat_fc.weight."+str(i)),
-                bias_attr=fluid.ParamAttr(name="cls.concat_fc.bias."+str(i))
+                    name="cls.concat_fc.weight." + str(i)),
+                bias_attr=fluid.ParamAttr(name="cls.concat_fc.bias." + str(i))
             ) for i in range(self.max_layers)
         ]
 
@@ -348,7 +348,7 @@ class Model(ModelBase):
                 current_layer_node_num = self.first_layer_node.shape[1]
             else:
                 current_layer_node_num = current_layer_node.shape[1] * \
-                    current_layer_node.shape[2]
+                                         current_layer_node.shape[2]
 
             current_layer_node = fluid.layers.reshape(
                 current_layer_node, [-1, current_layer_node_num])
@@ -458,7 +458,7 @@ class Model(ModelBase):
             param_attr=fluid.ParamAttr(
                 name="trans.layer_fc.weight." + str(layer_idx)),
             bias_attr=fluid.ParamAttr(
-                name="trans.layer_fc.bias."+str(layer_idx)),
+                name="trans.layer_fc.bias." + str(layer_idx)),
         )
         return input_layer_fc_out
 
@@ -479,6 +479,6 @@ class Model(ModelBase):
             num_flatten_dims=2,
             act=self.act,
             param_attr=fluid.ParamAttr(
-                name="cls.concat_fc.weight."+str(layer_idx)),
-            bias_attr=fluid.ParamAttr(name="cls.concat_fc.bias."+str(layer_idx)))
+                name="cls.concat_fc.weight." + str(layer_idx)),
+            bias_attr=fluid.ParamAttr(name="cls.concat_fc.bias." + str(layer_idx)))
         return hidden_states_fc

models/treebased/tdm/tdm_evaluate_reader.py

@@ -28,6 +28,7 @@ class EvaluateReader(Reader):
         """
         Read the data line by line and process it as a dictionary
         """
+
         def reader():
             """
             This function needs to be implemented by the user, based on data format

models/treebased/tdm/tdm_reader.py

@@ -28,6 +28,7 @@ class TrainReader(Reader):
         """
         Read the data line by line and process it as a dictionary
         """
+
         def reader():
             """
             This function needs to be implemented by the user, based on data format

run.py

@@ -12,11 +12,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import argparse
 import os
 import subprocess
-import tempfile
 
+import argparse
+import tempfile
 import yaml
 
 from paddlerec.core.factory import TrainerFactory

setup.py

+#   Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 """
 setup for paddle-rec.
 """
+
 import os
+
 from setuptools import setup, find_packages
-import tempfile
 import shutil
+import tempfile
+
 
 requires = [
     "paddlepaddle == 1.7.2",
@@ -19,7 +36,7 @@ about["__author__"] = "paddle-dev"
 about["__author_email__"] = "paddle-dev@baidu.com"
 about["__url__"] = "https://github.com/PaddlePaddle/PaddleRec"
 
-readme = "..."
+readme = ""
 
 
 def run_cmd(command):

tools/tools.py

@@ -12,15 +12,16 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import functools
 import os
-import time
+import platform
+import sys
 import shutil
+import time
+
 import requests
-import sys
 import tarfile
 import zipfile
-import platform
-import functools
 
 lasttime = time.time()
 FLUSH_INTERVAL = 0.1