Merge pull request #77 from LielinJiang/import-from-paddle

adapt import

examples/bert/bert_classifier.py

@@ -14,14 +14,14 @@
 """BERT fine-tuning in Paddle Dygraph Mode."""
 
 import paddle.fluid as fluid
-from hapi.metrics import Accuracy
-from hapi.configure import Config
-from hapi.text.bert import BertEncoder
+from paddle.incubate.hapi.metrics import Accuracy
+from paddle.incubate.hapi.configure import Config
+from paddle.incubate.hapi.text.bert import BertEncoder
 from paddle.fluid.dygraph import Linear, Layer
-from hapi.loss import SoftmaxWithCrossEntropy
-from hapi.model import set_device, Model, Input
-import hapi.text.tokenizer.tokenization as tokenization
-from hapi.text.bert import BertConfig, BertDataLoader, BertInputExample, make_optimizer
+from paddle.incubate.hapi.loss import SoftmaxWithCrossEntropy
+from paddle.incubate.hapi.model import set_device, Model, Input
+import paddle.incubate.hapi.text.tokenizer.tokenization as tokenization
+from paddle.incubate.hapi.text.bert import BertConfig, BertDataLoader, BertInputExample, make_optimizer
 
 
 class ClsModelLayer(Model):
@@ -157,7 +157,8 @@ def main():
         labels,
         device=device)
 
-    cls_model.bert_layer.load("./bert_uncased_L-12_H-768_A-12/bert", reset_optimizer=True)
+    cls_model.bert_layer.load(
+        "./bert_uncased_L-12_H-768_A-12/bert", reset_optimizer=True)
 
     # do train
     cls_model.fit(train_data=train_dataloader.dataloader,

examples/bert_leveldb/bert_classifier.py

@@ -14,14 +14,14 @@
 """BERT fine-tuning in Paddle Dygraph Mode."""
 
 import paddle.fluid as fluid
-from hapi.metrics import Accuracy
-from hapi.configure import Config
-from hapi.text.bert import BertEncoder
+from paddle.incubate.hapi.metrics import Accuracy
+from paddle.incubate.hapi.configure import Config
+from paddle.incubate.hapi.text.bert import BertEncoder
 from paddle.fluid.dygraph import Linear, Layer
-from hapi.loss import SoftmaxWithCrossEntropy
-from hapi.model import set_device, Model, Input
-import hapi.text.tokenizer.tokenization as tokenization
-from hapi.text.bert import BertConfig, BertDataLoader, BertInputExample, make_optimizer
+from paddle.incubate.hapi.loss import SoftmaxWithCrossEntropy
+from paddle.incubate.hapi.model import set_device, Model, Input
+import paddle.incubate.hapi.text.tokenizer.tokenization as tokenization
+from paddle.incubate.hapi.text.bert import BertConfig, BertDataLoader, BertInputExample, make_optimizer
 
 
 class ClsModelLayer(Model):
@@ -159,7 +159,8 @@ def main():
         labels,
         device=device)
 
-    cls_model.bert_layer.load("./bert_uncased_L-12_H-768_A-12/bert", reset_optimizer=True)
+    cls_model.bert_layer.load(
+        "./bert_uncased_L-12_H-768_A-12/bert", reset_optimizer=True)
 
     # do train
     cls_model.fit(train_data=train_dataloader.dataloader,

examples/bmn/bmn_metric.py

@@ -20,7 +20,7 @@ import json
 
 sys.path.append('../')
 
-from hapi.metrics import Metric
+from paddle.incubate.hapi.metrics import Metric
 from bmn_utils import boundary_choose, bmn_post_processing
 
 

examples/bmn/eval.py

@@ -18,7 +18,7 @@ import sys
 import logging
 import paddle.fluid as fluid
 
-from hapi.model import set_device, Input
+from paddle.incubate.hapi.model import set_device, Input
 
 from modeling import bmn, BmnLoss
 from bmn_metric import BmnMetric

examples/bmn/modeling.py

@@ -17,9 +17,9 @@ from paddle.fluid import ParamAttr
 import numpy as np
 import math
 
-from hapi.model import Model
-from hapi.loss import Loss
-from hapi.download import get_weights_path_from_url
+from paddle.incubate.hapi.model import Model
+from paddle.incubate.hapi.loss import Loss
+from paddle.incubate.hapi.download import get_weights_path_from_url
 
 __all__ = ["BMN", "BmnLoss", "bmn"]
 

examples/bmn/predict.py

@@ -18,7 +18,7 @@ import os
 import logging
 import paddle.fluid as fluid
 
-from hapi.model import set_device, Input
+from paddle.incubate.hapi.model import set_device, Input
 
 from modeling import bmn, BmnLoss
 from bmn_metric import BmnMetric

examples/bmn/reader.py

@@ -21,7 +21,7 @@ import sys
 
 sys.path.append('../')
 
-from hapi.distributed import DistributedBatchSampler
+from paddle.incubate.hapi.distributed import DistributedBatchSampler
 from paddle.io import Dataset, DataLoader
 
 logger = logging.getLogger(__name__)

examples/bmn/train.py

@@ -18,7 +18,7 @@ import logging
 import sys
 import os
 
-from hapi.model import set_device, Input
+from paddle.incubate.hapi.model import set_device, Input
 
 from reader import BmnDataset
 from config_utils import *

examples/cyclegan/cyclegan.py

@@ -19,8 +19,8 @@ from __future__ import print_function
 import numpy as np
 
 import paddle.fluid as fluid
-from hapi.model import Model
-from hapi.loss import Loss
+from paddle.incubate.hapi.model import Model
+from paddle.incubate.hapi.loss import Loss
 
 from layers import ConvBN, DeConvBN
 

examples/cyclegan/infer.py

@@ -25,7 +25,7 @@ from PIL import Image
 from scipy.misc import imsave
 
 import paddle.fluid as fluid
-from hapi.model import Model, Input, set_device
+from paddle.incubate.hapi.model import Model, Input, set_device
 
 from check import check_gpu, check_version
 from cyclegan import Generator, GeneratorCombine

examples/cyclegan/test.py

@@ -22,7 +22,7 @@ import numpy as np
 from scipy.misc import imsave
 
 import paddle.fluid as fluid
-from hapi.model import Model, Input, set_device
+from paddle.incubate.hapi.model import Model, Input, set_device
 
 from check import check_gpu, check_version
 from cyclegan import Generator, GeneratorCombine

examples/cyclegan/train.py

@@ -24,7 +24,7 @@ import time
 
 import paddle
 import paddle.fluid as fluid
-from hapi.model import Model, Input, set_device
+from paddle.incubate.hapi.model import Model, Input, set_device
 
 from check import check_gpu, check_version
 from cyclegan import Generator, Discriminator, GeneratorCombine, GLoss, DLoss
@@ -78,12 +78,12 @@ def main():
     g_AB.prepare(inputs=[input_A], device=FLAGS.device)
     g_BA.prepare(inputs=[input_B], device=FLAGS.device)
 
-    g.prepare(g_optimizer, GLoss(), inputs=[input_A, input_B],
-        device=FLAGS.device)
-    d_A.prepare(da_optimizer, DLoss(), inputs=[input_B, fake_B],
-        device=FLAGS.device)
-    d_B.prepare(db_optimizer, DLoss(), inputs=[input_A, fake_A],
-        device=FLAGS.device)
+    g.prepare(
+        g_optimizer, GLoss(), inputs=[input_A, input_B], device=FLAGS.device)
+    d_A.prepare(
+        da_optimizer, DLoss(), inputs=[input_B, fake_B], device=FLAGS.device)
+    d_B.prepare(
+        db_optimizer, DLoss(), inputs=[input_A, fake_A], device=FLAGS.device)
 
     if FLAGS.resume:
         g.load(FLAGS.resume)

examples/handwritten_number_recognition/mnist.py

@@ -19,12 +19,12 @@ import argparse
 
 from paddle import fluid
 from paddle.fluid.optimizer import Momentum
-from hapi.datasets.mnist import MNIST as MnistDataset
+from paddle.incubate.hapi.datasets.mnist import MNIST as MnistDataset
 
-from hapi.model import Input, set_device
-from hapi.loss import CrossEntropy
-from hapi.metrics import Accuracy
-from hapi.vision.models import LeNet
+from paddle.incubate.hapi.model import Input, set_device
+from paddle.incubate.hapi.loss import CrossEntropy
+from paddle.incubate.hapi.metrics import Accuracy
+from paddle.incubate.hapi.vision.models import LeNet
 
 
 def main():

examples/image_classification/imagenet_dataset.py

@@ -18,8 +18,8 @@ import math
 import random
 import numpy as np
 
-from hapi.datasets import DatasetFolder
-from hapi.vision.transforms import transforms
+from paddle.incubate.hapi.datasets import DatasetFolder
+from paddle.incubate.hapi.vision.transforms import transforms
 from paddle import fluid
 
 

examples/image_classification/main.py

@@ -27,11 +27,11 @@ import paddle.fluid as fluid
 from paddle.fluid.dygraph.parallel import ParallelEnv
 from paddle.io import BatchSampler, DataLoader
 
-from hapi.model import Input, set_device
-from hapi.loss import CrossEntropy
-from hapi.distributed import DistributedBatchSampler
-from hapi.metrics import Accuracy
-import hapi.vision.models as models
+from paddle.incubate.hapi.model import Input, set_device
+from paddle.incubate.hapi.loss import CrossEntropy
+from paddle.incubate.hapi.distributed import DistributedBatchSampler
+from paddle.incubate.hapi.metrics import Accuracy
+import paddle.incubate.hapi.vision.models as models
 
 from imagenet_dataset import ImageNetDataset
 

examples/ocr/eval.py

@@ -19,8 +19,8 @@ import functools
 import paddle.fluid.profiler as profiler
 import paddle.fluid as fluid
 
-from hapi.model import Input, set_device
-from hapi.vision.transforms import BatchCompose
+from paddle.incubate.hapi.model import Input, set_device
+from paddle.incubate.hapi.vision.transforms import BatchCompose
 
 from utility import add_arguments, print_arguments
 from utility import SeqAccuracy, LoggerCallBack, SeqBeamAccuracy

examples/ocr/predict.py

@@ -25,9 +25,9 @@ from PIL import Image
 import paddle.fluid.profiler as profiler
 import paddle.fluid as fluid
 
-from hapi.model import Input, set_device
-from hapi.datasets.folder import ImageFolder
-from hapi.vision.transforms import BatchCompose
+from paddle.incubate.hapi.model import Input, set_device
+from paddle.incubate.hapi.datasets.folder import ImageFolder
+from paddle.incubate.hapi.vision.transforms import BatchCompose
 
 from utility import add_arguments, print_arguments
 from utility import postprocess, index2word

examples/ocr/seq2seq_attn.py

@@ -19,9 +19,9 @@ import paddle.fluid as fluid
 import paddle.fluid.layers as layers
 from paddle.fluid.layers import BeamSearchDecoder
 
-from hapi.text import RNNCell, RNN, DynamicDecode
-from hapi.model import Model
-from hapi.loss import Loss
+from paddle.incubate.hapi.text import RNNCell, RNN, DynamicDecode
+from paddle.incubate.hapi.model import Model
+from paddle.incubate.hapi.loss import Loss
 
 
 class ConvBNPool(fluid.dygraph.Layer):

examples/ocr/train.py

@@ -24,8 +24,8 @@ import functools
 import paddle.fluid.profiler as profiler
 import paddle.fluid as fluid
 
-from hapi.model import Input, set_device
-from hapi.vision.transforms import BatchCompose
+from paddle.incubate.hapi.model import Input, set_device
+from paddle.incubate.hapi.vision.transforms import BatchCompose
 
 from utility import add_arguments, print_arguments
 from utility import SeqAccuracy, LoggerCallBack

examples/ocr/utility.py

@@ -21,8 +21,8 @@ import numpy as np
 import paddle.fluid as fluid
 import six
 
-from hapi.metrics import Metric
-from hapi.callbacks import ProgBarLogger
+from paddle.incubate.hapi.metrics import Metric
+from paddle.incubate.hapi.callbacks import ProgBarLogger
 
 
 def print_arguments(args):

examples/sentiment_classification/models.py

@@ -15,9 +15,9 @@ import paddle.fluid as fluid
 from paddle.fluid.dygraph.nn import Linear, Embedding
 from paddle.fluid.dygraph.base import to_variable
 import numpy as np
-from hapi.model import Model
-from hapi.text.text import GRUEncoderLayer as BiGRUEncoder
-from hapi.text.test import BOWEncoder, CNNEncoder, GRUEncoder
+from paddle.incubate.hapi.model import Model
+from paddle.incubate.hapi.text.text import GRUEncoderLayer as BiGRUEncoder
+from paddle.incubate.hapi.text.test import BOWEncoder, CNNEncoder, GRUEncoder
 
 
 class CNN(Model):
@@ -36,14 +36,18 @@ class CNN(Model):
             dict_size=self.dict_dim + 1,
             emb_dim=self.emb_dim,
             seq_len=self.seq_len,
-            filter_size= self.win_size,
-            num_filters= self.hid_dim,
-            hidden_dim= self.hid_dim,
+            filter_size=self.win_size,
+            num_filters=self.hid_dim,
+            hidden_dim=self.hid_dim,
             padding_idx=None,
             act='tanh')
-        self._fc1 = Linear(input_dim = self.hid_dim*self.seq_len, output_dim=self.fc_hid_dim, act="softmax")
-        self._fc_prediction = Linear(input_dim = self.fc_hid_dim,
-                                 output_dim = self.class_dim,
+        self._fc1 = Linear(
+            input_dim=self.hid_dim * self.seq_len,
+            output_dim=self.fc_hid_dim,
+            act="softmax")
+        self._fc_prediction = Linear(
+            input_dim=self.fc_hid_dim,
+            output_dim=self.class_dim,
             act="softmax")
 
     def forward(self, inputs):
@@ -69,10 +73,13 @@ class BOW(Model):
             padding_idx=None,
             bow_dim=self.hid_dim,
             seq_len=self.seq_len)
-        self._fc1 = Linear(input_dim = self.hid_dim, output_dim=self.hid_dim, act="tanh")
-        self._fc2 = Linear(input_dim = self.hid_dim, output_dim=self.fc_hid_dim, act="tanh")
-        self._fc_prediction = Linear(input_dim = self.fc_hid_dim,
-                                 output_dim = self.class_dim,
+        self._fc1 = Linear(
+            input_dim=self.hid_dim, output_dim=self.hid_dim, act="tanh")
+        self._fc2 = Linear(
+            input_dim=self.hid_dim, output_dim=self.fc_hid_dim, act="tanh")
+        self._fc_prediction = Linear(
+            input_dim=self.fc_hid_dim,
+            output_dim=self.class_dim,
             act="softmax")
 
     def forward(self, inputs):
@@ -94,8 +101,10 @@ class GRU(Model):
         self.class_dim = 2
         self.batch_size = batch_size
         self.seq_len = seq_len
-        self._fc1 = Linear(input_dim=self.hid_dim, output_dim=self.fc_hid_dim, act="tanh")
-        self._fc_prediction = Linear(input_dim=self.fc_hid_dim,
+        self._fc1 = Linear(
+            input_dim=self.hid_dim, output_dim=self.fc_hid_dim, act="tanh")
+        self._fc_prediction = Linear(
+            input_dim=self.fc_hid_dim,
             output_dim=self.class_dim,
             act="softmax")
         self._encoder = GRUEncoder(
@@ -130,9 +139,11 @@ class BiGRU(Model):
             is_sparse=False)
         h_0 = np.zeros((self.batch_size, self.hid_dim), dtype="float32")
         h_0 = to_variable(h_0)
-        self._fc1 = Linear(input_dim = self.hid_dim, output_dim=self.hid_dim*3)
-        self._fc2 = Linear(input_dim = self.hid_dim*2, output_dim=self.fc_hid_dim, act="tanh")
-        self._fc_prediction = Linear(input_dim=self.fc_hid_dim,
+        self._fc1 = Linear(input_dim=self.hid_dim, output_dim=self.hid_dim * 3)
+        self._fc2 = Linear(
+            input_dim=self.hid_dim * 2, output_dim=self.fc_hid_dim, act="tanh")
+        self._fc_prediction = Linear(
+            input_dim=self.fc_hid_dim,
             output_dim=self.class_dim,
             act="softmax")
         self._encoder = BiGRUEncoder(
@@ -144,7 +155,8 @@ class BiGRU(Model):
 
     def forward(self, inputs):
         emb = self.embedding(inputs)
-        emb = fluid.layers.reshape(emb, shape=[self.batch_size, -1, self.hid_dim])
+        emb = fluid.layers.reshape(
+            emb, shape=[self.batch_size, -1, self.hid_dim])
         fc_1 = self._fc1(emb)
         encoded_vector = self._encoder(fc_1)
         encoded_vector = fluid.layers.tanh(encoded_vector)

examples/sentiment_classification/sentiment_classifier.py

@@ -13,14 +13,13 @@
 # limitations under the License.
 """Sentiment Classification in Paddle Dygraph Mode. """
 
-
 from __future__ import print_function
 import numpy as np
 import paddle.fluid as fluid
-from hapi.model import set_device, Model, CrossEntropy, Input
-from hapi.configure import Config
-from hapi.text.senta import SentaProcessor
-from hapi.metrics import Accuracy
+from paddle.incubate.hapi.model import set_device, Model, CrossEntropy, Input
+from paddle.incubate.hapi.configure import Config
+from paddle.incubate.hapi.text.senta import SentaProcessor
+from paddle.incubate.hapi.metrics import Accuracy
 from models import CNN, BOW, GRU, BiGRU
 import json
 import os
@@ -32,12 +31,14 @@ args.Print()
 device = set_device("gpu" if args.use_cuda else "cpu")
 dev_count = fluid.core.get_cuda_device_count() if args.use_cuda else 1
 
+
 def main():
     if args.do_train:
         train()
     elif args.do_infer:
         infer()
 
+
 def train():
     fluid.enable_dygraph(device)
     processor = SentaProcessor(
@@ -66,19 +67,16 @@ def train():
         epoch=args.epoch,
         shuffle=False)
     if args.model_type == 'cnn_net':
-        model = CNN( args.vocab_size, args.batch_size,
-                     args.padding_size)
+        model = CNN(args.vocab_size, args.batch_size, args.padding_size)
     elif args.model_type == 'bow_net':
-        model = BOW( args.vocab_size, args.batch_size,
-                     args.padding_size)
+        model = BOW(args.vocab_size, args.batch_size, args.padding_size)
     elif args.model_type == 'gru_net':
-        model = GRU( args.vocab_size, args.batch_size,
-                     args.padding_size)
+        model = GRU(args.vocab_size, args.batch_size, args.padding_size)
     elif args.model_type == 'bigru_net':
-        model = BiGRU( args.vocab_size, args.batch_size,
-                       args.padding_size)
+        model = BiGRU(args.vocab_size, args.batch_size, args.padding_size)
 
-    optimizer = fluid.optimizer.Adagrad(learning_rate=args.lr, parameter_list=model.parameters()) 
+    optimizer = fluid.optimizer.Adagrad(
+        learning_rate=args.lr, parameter_list=model.parameters())
 
     inputs = [Input([None, None], 'int64', name='doc')]
     labels = [Input([None, 1], 'int64', name='label')]
@@ -86,7 +84,7 @@ def train():
     model.prepare(
         optimizer,
         CrossEntropy(),
-        Accuracy(topk=(1,)),
+        Accuracy(topk=(1, )),
         inputs,
         labels,
         device=device)
@@ -99,6 +97,7 @@ def train():
               eval_freq=args.eval_freq,
               save_freq=args.save_freq)
 
+
 def infer():
     fluid.enable_dygraph(device)
     processor = SentaProcessor(
@@ -114,26 +113,19 @@ def infer():
         epoch=1,
         shuffle=False)
     if args.model_type == 'cnn_net':
-        model_infer = CNN( args.vocab_size, args.batch_size,
-                           args.padding_size)
+        model_infer = CNN(args.vocab_size, args.batch_size, args.padding_size)
     elif args.model_type == 'bow_net':
-        model_infer = BOW( args.vocab_size, args.batch_size,
-                           args.padding_size)
+        model_infer = BOW(args.vocab_size, args.batch_size, args.padding_size)
     elif args.model_type == 'gru_net':
-        model_infer = GRU( args.vocab_size, args.batch_size,
-                           args.padding_size)
+        model_infer = GRU(args.vocab_size, args.batch_size, args.padding_size)
     elif args.model_type == 'bigru_net':
-        model_infer = BiGRU( args.vocab_size, args.batch_size,
+        model_infer = BiGRU(args.vocab_size, args.batch_size,
                             args.padding_size)
 
     print('Do inferring ...... ')
     inputs = [Input([None, None], 'int64', name='doc')]
     model_infer.prepare(
-        None,
-        CrossEntropy(),
-        Accuracy(topk=(1,)),
-        inputs,
-        device=device)
+        None, CrossEntropy(), Accuracy(topk=(1, )), inputs, device=device)
     model_infer.load(args.checkpoints, reset_optimizer=True)
     preds = model_infer.predict(test_data=infer_data_generator)
     preds = np.array(preds[0]).reshape((-1, 2))
@@ -143,9 +135,15 @@ def infer():
 
             for p in range(len(preds)):
                 label = np.argmax(preds[p])
-                result = json.dumps({'index': p, 'label': label, 'probs': preds[p].tolist()})
-                w.write(result+'\n')
-        print('Predictions saved at '+os.path.join(args.output_dir, 'predictions.json'))
+                result = json.dumps({
+                    'index': p,
+                    'label': label,
+                    'probs': preds[p].tolist()
+                })
+                w.write(result + '\n')
+        print('Predictions saved at ' + os.path.join(args.output_dir,
+                                                     'predictions.json'))
+
 
 if __name__ == '__main__':
     main()

examples/seq2seq/predict.py

@@ -23,7 +23,7 @@ import paddle.fluid as fluid
 from paddle.fluid.layers.utils import flatten
 from paddle.fluid.io import DataLoader
 
-from hapi.model import Input, set_device
+from paddle.incubate.hapi.model import Input, set_device
 from args import parse_args
 from seq2seq_base import BaseInferModel
 from seq2seq_attn import AttentionInferModel

examples/seq2seq/seq2seq_attn.py

@@ -19,8 +19,8 @@ from paddle.fluid.initializer import UniformInitializer
 from paddle.fluid.dygraph import Embedding, Linear, Layer
 from paddle.fluid.layers import BeamSearchDecoder
 
-from hapi.model import Model, Loss
-from hapi.text import DynamicDecode, RNN, BasicLSTMCell, RNNCell
+from paddle.incubate.hapi.model import Model, Loss
+from paddle.incubate.hapi.text import DynamicDecode, RNN, BasicLSTMCell, RNNCell
 
 from seq2seq_base import Encoder
 

examples/seq2seq/seq2seq_base.py

@@ -19,8 +19,8 @@ from paddle.fluid.initializer import UniformInitializer
 from paddle.fluid.dygraph import Embedding, Linear, Layer
 from paddle.fluid.layers import BeamSearchDecoder
 
-from hapi.model import Model, Loss
-from hapi.text import DynamicDecode, RNN, BasicLSTMCell, RNNCell
+from paddle.incubate.hapi.model import Model, Loss
+from paddle.incubate.hapi.text import DynamicDecode, RNN, BasicLSTMCell, RNNCell
 
 
 class CrossEntropyCriterion(Loss):

examples/seq2seq/train.py

@@ -21,7 +21,7 @@ import numpy as np
 import paddle.fluid as fluid
 from paddle.fluid.io import DataLoader
 
-from hapi.model import Input, set_device
+from paddle.incubate.hapi.model import Input, set_device
 from args import parse_args
 from seq2seq_base import BaseModel, CrossEntropyCriterion
 from seq2seq_attn import AttentionModel

examples/seq2seq/utility.py

@@ -16,8 +16,8 @@ import math
 
 import paddle.fluid as fluid
 
-from hapi.metrics import Metric
-from hapi.callbacks import ProgBarLogger
+from paddle.incubate.hapi.metrics import Metric
+from paddle.incubate.hapi.callbacks import ProgBarLogger
 
 
 class TrainCallback(ProgBarLogger):

examples/sequence_tagging/eval.py

@@ -28,11 +28,11 @@ import numpy as np
 work_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 sys.path.append(os.path.join(work_dir, "../"))
 
-from hapi.model import set_device, Input
-from hapi.text.sequence_tagging import SeqTagging, ChunkEval, LacLoss
-from hapi.text.sequence_tagging import LacDataset, LacDataLoader
-from hapi.text.sequence_tagging import check_gpu, check_version
-from hapi.text.sequence_tagging import PDConfig
+from paddle.incubate.hapi.model import set_device, Input
+from paddle.incubate.hapi.text.sequence_tagging import SeqTagging, ChunkEval, LacLoss
+from paddle.incubate.hapi.text.sequence_tagging import LacDataset, LacDataLoader
+from paddle.incubate.hapi.text.sequence_tagging import check_gpu, check_version
+from paddle.incubate.hapi.text.sequence_tagging import PDConfig
 
 import paddle.fluid as fluid
 from paddle.fluid.layers.utils import flatten
@@ -65,7 +65,8 @@ def main(args):
         device=place)
     model.load(args.init_from_checkpoint, skip_mismatch=True)
 
-    eval_result = model.evaluate(eval_dataset.dataloader, batch_size=args.batch_size)
+    eval_result = model.evaluate(
+        eval_dataset.dataloader, batch_size=args.batch_size)
     print("precison: %.5f" % (eval_result["precision"][0]))
     print("recall: %.5f" % (eval_result["recall"][0]))
     print("F1: %.5f" % (eval_result["F1"][0]))

examples/sequence_tagging/predict.py

@@ -29,11 +29,11 @@ import numpy as np
 work_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 sys.path.append(os.path.join(work_dir, "../"))
 
-from hapi.text.sequence_tagging import SeqTagging
-from hapi.model import Input, set_device
-from hapi.text.sequence_tagging import LacDataset, LacDataLoader
-from hapi.text.sequence_tagging import check_gpu, check_version
-from hapi.text.sequence_tagging import PDConfig
+from paddle.incubate.hapi.text.sequence_tagging import SeqTagging
+from paddle.incubate.hapi.model import Input, set_device
+from paddle.incubate.hapi.text.sequence_tagging import LacDataset, LacDataLoader
+from paddle.incubate.hapi.text.sequence_tagging import check_gpu, check_version
+from paddle.incubate.hapi.text.sequence_tagging import PDConfig
 
 import paddle.fluid as fluid
 from paddle.fluid.layers.utils import flatten

examples/sequence_tagging/train.py

@@ -28,11 +28,11 @@ import numpy as np
 work_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 sys.path.append(os.path.join(work_dir, "../"))
 
-from hapi.model import Input, set_device
-from hapi.text.sequence_tagging import SeqTagging, LacLoss, ChunkEval
-from hapi.text.sequence_tagging import LacDataset, LacDataLoader
-from hapi.text.sequence_tagging import check_gpu, check_version
-from hapi.text.sequence_tagging import PDConfig
+from paddle.incubate.hapi.model import Input, set_device
+from paddle.incubate.hapi.text.sequence_tagging import SeqTagging, LacLoss, ChunkEval
+from paddle.incubate.hapi.text.sequence_tagging import LacDataset, LacDataLoader
+from paddle.incubate.hapi.text.sequence_tagging import check_gpu, check_version
+from paddle.incubate.hapi.text.sequence_tagging import PDConfig
 
 import paddle.fluid as fluid
 from paddle.fluid.optimizer import AdamOptimizer

examples/style-transfer/README.md

@@ -32,10 +32,10 @@ gram_matrix = fluid.layers.matmul(tensor, fluid.layers.transpose(tensor, [1, 0])
 import numpy as np
 import matplotlib.pyplot as plt
 
-from hapi.model import Model, Loss
+from paddle.incubate.hapi.model import Model, Loss
 
-from hapi.vision.models import vgg16
-from hapi.vision.transforms import transforms
+from paddle.incubate.hapi.vision.models import vgg16
+from paddle.incubate.hapi.vision.transforms import transforms
 from paddle import fluid
 from paddle.fluid.io import Dataset
 

examples/style-transfer/style_transfer.py

@@ -3,10 +3,10 @@ import argparse
 import numpy as np
 import matplotlib.pyplot as plt
 
-from hapi.model import Model, Loss
+from paddle.incubate.hapi.model import Model, Loss
 
-from hapi.vision.models import vgg16
-from hapi.vision.transforms import transforms
+from paddle.incubate.hapi.vision.models import vgg16
+from paddle.incubate.hapi.vision.transforms import transforms
 from paddle import fluid
 from paddle.fluid.io import Dataset
 

examples/transformer/predict.py

@@ -25,7 +25,7 @@ from paddle.fluid.layers.utils import flatten
 from utils.configure import PDConfig
 from utils.check import check_gpu, check_version
 
-from hapi.model import Input, set_device
+from paddle.incubate.hapi.model import Input, set_device
 from reader import prepare_infer_input, Seq2SeqDataset, Seq2SeqBatchSampler
 from transformer import InferTransformer
 

examples/transformer/train.py

@@ -23,8 +23,8 @@ from paddle.io import DataLoader
 from utils.configure import PDConfig
 from utils.check import check_gpu, check_version
 
-from hapi.model import Input, set_device
-from hapi.callbacks import ProgBarLogger
+from paddle.incubate.hapi.model import Input, set_device
+from paddle.incubate.hapi.callbacks import ProgBarLogger
 from reader import create_data_loader
 from transformer import Transformer, CrossEntropyCriterion
 

examples/transformer/transformer.py

@@ -20,8 +20,8 @@ import paddle.fluid as fluid
 import paddle.fluid.layers as layers
 from paddle.fluid.dygraph import Embedding, LayerNorm, Linear, Layer, to_variable
 from paddle.fluid.dygraph.learning_rate_scheduler import LearningRateDecay
-from hapi.model import Model, CrossEntropy, Loss
-from hapi.text import TransformerBeamSearchDecoder, DynamicDecode
+from paddle.incubate.hapi.model import Model, CrossEntropy, Loss
+from paddle.incubate.hapi.text import TransformerBeamSearchDecoder, DynamicDecode
 
 
 def position_encoding_init(n_position, d_pos_vec):

examples/tsm/infer.py

@@ -19,8 +19,8 @@ import os
 import argparse
 import numpy as np
 
-from hapi.model import Input, set_device
-from hapi.vision.transforms import Compose
+from paddle.incubate.hapi.model import Input, set_device
+from paddle.incubate.hapi.vision.transforms import Compose
 
 from check import check_gpu, check_version
 from modeling import tsm_resnet50
@@ -36,9 +36,7 @@ def main():
     device = set_device(FLAGS.device)
     fluid.enable_dygraph(device) if FLAGS.dynamic else None
 
-    transform = Compose([GroupScale(),
-                         GroupCenterCrop(),
-                         NormalizeImage()])
+    transform = Compose([GroupScale(), GroupCenterCrop(), NormalizeImage()])
     dataset = KineticsDataset(
         pickle_file=FLAGS.infer_file,
         label_list=FLAGS.label_list,
@@ -46,8 +44,8 @@ def main():
         transform=transform)
     labels = dataset.label_list
 
-    model = tsm_resnet50(num_classes=len(labels),
-                         pretrained=FLAGS.weights is None)
+    model = tsm_resnet50(
+        num_classes=len(labels), pretrained=FLAGS.weights is None)
 
     inputs = [Input([None, 8, 3, 224, 224], 'float32', name='image')]
 
@@ -66,19 +64,23 @@ def main():
 if __name__ == '__main__':
     parser = argparse.ArgumentParser("CNN training on TSM")
     parser.add_argument(
-        "--data", type=str, default='dataset/kinetics',
+        "--data",
+        type=str,
+        default='dataset/kinetics',
         help="path to dataset root directory")
     parser.add_argument(
-        "--device", type=str, default='gpu',
-        help="device to use, gpu or cpu")
+        "--device", type=str, default='gpu', help="device to use, gpu or cpu")
     parser.add_argument(
-        "-d", "--dynamic", action='store_true',
-        help="enable dygraph mode")
+        "-d", "--dynamic", action='store_true', help="enable dygraph mode")
     parser.add_argument(
-        "--label_list", type=str, default=None,
+        "--label_list",
+        type=str,
+        default=None,
         help="path to category index label list file")
     parser.add_argument(
-        "--infer_file", type=str, default=None,
+        "--infer_file",
+        type=str,
+        default=None,
         help="path to pickle file for inference")
     parser.add_argument(
         "-w",

examples/tsm/main.py

@@ -22,10 +22,10 @@ import numpy as np
 from paddle import fluid
 from paddle.fluid.dygraph.parallel import ParallelEnv
 
-from hapi.model import Model, Input, set_device
-from hapi.loss import CrossEntropy
-from hapi.metrics import Accuracy
-from hapi.vision.transforms import Compose
+from paddle.incubate.hapi.model import Model, Input, set_device
+from paddle.incubate.hapi.loss import CrossEntropy
+from paddle.incubate.hapi.metrics import Accuracy
+from paddle.incubate.hapi.vision.transforms import Compose
 
 from modeling import tsm_resnet50
 from check import check_gpu, check_version

examples/tsm/modeling.py

@@ -17,8 +17,8 @@ import paddle.fluid as fluid
 from paddle.fluid.layer_helper import LayerHelper
 from paddle.fluid.dygraph.nn import Conv2D, Pool2D, BatchNorm, Linear
 
-from hapi.model import Model
-from hapi.download import get_weights_path_from_url
+from paddle.incubate.hapi.model import Model
+from paddle.incubate.hapi.download import get_weights_path_from_url
 
 __all__ = ["TSM_ResNet", "tsm_resnet50"]
 

examples/yolov3/darknet.py

+#  Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
+#
+#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.
+
+import math
+import paddle.fluid as fluid
+from paddle.fluid.param_attr import ParamAttr
+from paddle.fluid.regularizer import L2Decay
+
+from paddle.fluid.dygraph.nn import Conv2D, BatchNorm, Pool2D, Linear
+
+from paddle.incubate.hapi.model import Model
+from paddle.incubate.hapi.download import get_weights_path_from_url
+
+__all__ = ['DarkNet', 'darknet53']
+
+# {num_layers: (url, md5)}
+model_urls = {
+    'darknet53':
+    ('https://paddle-hapi.bj.bcebos.com/models/darknet53.pdparams',
+     'ca506a90e2efecb9a2093f8ada808708')
+}
+
+
+class ConvBNLayer(fluid.dygraph.Layer):
+    def __init__(self,
+                 ch_in,
+                 ch_out,
+                 filter_size=3,
+                 stride=1,
+                 groups=1,
+                 padding=0,
+                 act="leaky"):
+        super(ConvBNLayer, self).__init__()
+
+        self.conv = Conv2D(
+            num_channels=ch_in,
+            num_filters=ch_out,
+            filter_size=filter_size,
+            stride=stride,
+            padding=padding,
+            groups=groups,
+            param_attr=ParamAttr(
+                initializer=fluid.initializer.Normal(0., 0.02)),
+            bias_attr=False,
+            act=None)
+        self.batch_norm = BatchNorm(
+            num_channels=ch_out,
+            param_attr=ParamAttr(
+                initializer=fluid.initializer.Normal(0., 0.02),
+                regularizer=L2Decay(0.)),
+            bias_attr=ParamAttr(
+                initializer=fluid.initializer.Constant(0.0),
+                regularizer=L2Decay(0.)))
+
+        self.act = act
+
+    def forward(self, inputs):
+        out = self.conv(inputs)
+        out = self.batch_norm(out)
+
+        if self.act == 'leaky':
+            out = fluid.layers.leaky_relu(x=out, alpha=0.1)
+        return out
+
+
+class DownSample(fluid.dygraph.Layer):
+    def __init__(self, ch_in, ch_out, filter_size=3, stride=2, padding=1):
+
+        super(DownSample, self).__init__()
+
+        self.conv_bn_layer = ConvBNLayer(
+            ch_in=ch_in,
+            ch_out=ch_out,
+            filter_size=filter_size,
+            stride=stride,
+            padding=padding)
+        self.ch_out = ch_out
+
+    def forward(self, inputs):
+        out = self.conv_bn_layer(inputs)
+        return out
+
+
+class BasicBlock(fluid.dygraph.Layer):
+    def __init__(self, ch_in, ch_out):
+        super(BasicBlock, self).__init__()
+
+        self.conv1 = ConvBNLayer(
+            ch_in=ch_in, ch_out=ch_out, filter_size=1, stride=1, padding=0)
+        self.conv2 = ConvBNLayer(
+            ch_in=ch_out,
+            ch_out=ch_out * 2,
+            filter_size=3,
+            stride=1,
+            padding=1)
+
+    def forward(self, inputs):
+        conv1 = self.conv1(inputs)
+        conv2 = self.conv2(conv1)
+        out = fluid.layers.elementwise_add(x=inputs, y=conv2, act=None)
+        return out
+
+
+class LayerWarp(fluid.dygraph.Layer):
+    def __init__(self, ch_in, ch_out, count):
+        super(LayerWarp, self).__init__()
+
+        self.basicblock0 = BasicBlock(ch_in, ch_out)
+        self.res_out_list = []
+        for i in range(1, count):
+            res_out = self.add_sublayer("basic_block_%d" % (i),
+                                        BasicBlock(ch_out * 2, ch_out))
+            self.res_out_list.append(res_out)
+        self.ch_out = ch_out
+
+    def forward(self, inputs):
+        y = self.basicblock0(inputs)
+        for basic_block_i in self.res_out_list:
+            y = basic_block_i(y)
+        return y
+
+
+DarkNet_cfg = {53: ([1, 2, 8, 8, 4])}
+
+
+class DarkNet(Model):
+    """DarkNet model from
+    `"YOLOv3: An Incremental Improvement" <https://arxiv.org/abs/1804.02767>`_
+
+    Args:
+        num_layers (int): layer number of DarkNet, only 53 supported currently, default: 53.
+        num_classes (int): output dim of last fc layer. If num_classes <=0, last fc layer 
+                            will not be defined. Default: 1000.
+        with_pool (bool): use pool before the last fc layer or not. Default: True.
+        classifier_activation (str): activation for the last fc layer. Default: 'softmax'.
+
+    """
+
+    def __init__(self,
+                 num_layers=53,
+                 num_classes=1000,
+                 with_pool=True,
+                 classifier_activation='softmax'):
+        super(DarkNet, self).__init__()
+        assert num_layers in DarkNet_cfg.keys(), \
+            "only support num_layers in {} currently" \
+            .format(DarkNet_cfg.keys())
+        self.stages = DarkNet_cfg[num_layers]
+        self.stages = self.stages[0:5]
+        self.num_classes = num_classes
+        self.with_pool = True
+        ch_in = 3
+        self.conv0 = ConvBNLayer(
+            ch_in=ch_in, ch_out=32, filter_size=3, stride=1, padding=1)
+
+        self.downsample0 = DownSample(ch_in=32, ch_out=32 * 2)
+        self.darknet53_conv_block_list = []
+        self.downsample_list = []
+        ch_in = [64, 128, 256, 512, 1024]
+        for i, stage in enumerate(self.stages):
+            conv_block = self.add_sublayer("stage_%d" % (i),
+                                           LayerWarp(
+                                               int(ch_in[i]), 32 * (2**i),
+                                               stage))
+            self.darknet53_conv_block_list.append(conv_block)
+
+        for i in range(len(self.stages) - 1):
+            downsample = self.add_sublayer(
+                "stage_%d_downsample" % i,
+                DownSample(
+                    ch_in=32 * (2**(i + 1)), ch_out=32 * (2**(i + 2))))
+            self.downsample_list.append(downsample)
+
+        if self.with_pool:
+            self.global_pool = Pool2D(
+                pool_size=7, pool_type='avg', global_pooling=True)
+
+        if self.num_classes > 0:
+            stdv = 1.0 / math.sqrt(32 * (2**(i + 2)))
+            self.fc_input_dim = 32 * (2**(i + 2))
+
+            self.fc = Linear(
+                self.fc_input_dim,
+                num_classes,
+                act='softmax',
+                param_attr=fluid.param_attr.ParamAttr(
+                    initializer=fluid.initializer.Uniform(-stdv, stdv)))
+
+    def forward(self, inputs):
+
+        out = self.conv0(inputs)
+        out = self.downsample0(out)
+
+        for i, conv_block_i in enumerate(self.darknet53_conv_block_list):
+            out = conv_block_i(out)
+            if i < len(self.stages) - 1:
+                out = self.downsample_list[i](out)
+
+        if self.with_pool:
+            out = self.global_pool(out)
+        if self.num_classes > 0:
+            out = fluid.layers.reshape(out, shape=[-1, self.fc_input_dim])
+            out = self.fc(out)
+        return out
+
+
+def _darknet(arch, num_layers=53, pretrained=False, **kwargs):
+    model = DarkNet(num_layers, **kwargs)
+    if pretrained:
+        assert arch in model_urls, "{} model do not have a pretrained model now, you should set pretrained=False".format(
+            arch)
+        weight_path = get_weights_path_from_url(*(model_urls[arch]))
+        assert weight_path.endswith('.pdparams'), \
+                "suffix of weight must be .pdparams"
+        model.load(weight_path)
+    return model
+
+
+def darknet53(pretrained=False, **kwargs):
+    """DarkNet 53-layer model
+    
+    Args:
+        input_channels (bool): channel number of input data, default 3. 
+        pretrained (bool): If True, returns a model pre-trained on ImageNet,
+            default True.
+            
+    """
+    return _darknet('darknet53', 53, pretrained, **kwargs)

examples/yolov3/infer.py

@@ -24,7 +24,7 @@ from paddle import fluid
 from paddle.fluid.optimizer import Momentum
 from paddle.io import DataLoader
 
-from hapi.model import Model, Input, set_device
+from paddle.incubate.hapi.model import Model, Input, set_device
 
 from modeling import yolov3_darknet53, YoloLoss
 from transforms import *
@@ -65,13 +65,17 @@ def main():
     device = set_device(FLAGS.device)
     fluid.enable_dygraph(device) if FLAGS.dynamic else None
 
-    inputs = [Input([None, 1], 'int64', name='img_id'),
-              Input([None, 2], 'int32', name='img_shape'),
-              Input([None, 3, None, None], 'float32', name='image')]
+    inputs = [
+        Input(
+            [None, 1], 'int64', name='img_id'), Input(
+                [None, 2], 'int32', name='img_shape'), Input(
+                    [None, 3, None, None], 'float32', name='image')
+    ]
 
     cat2name = load_labels(FLAGS.label_list, with_background=False)
 
-    model = yolov3_darknet53(num_classes=len(cat2name),
+    model = yolov3_darknet53(
+        num_classes=len(cat2name),
         model_mode='test',
         pretrained=FLAGS.weights is None)
 
@@ -106,19 +110,33 @@ if __name__ == '__main__':
     parser.add_argument(
         "-d", "--dynamic", action='store_true', help="enable dygraph mode")
     parser.add_argument(
-        "--label_list", type=str, default=None,
+        "--label_list",
+        type=str,
+        default=None,
         help="path to category label list file")
     parser.add_argument(
-        "-t", "--draw_threshold", type=float, default=0.5,
+        "-t",
+        "--draw_threshold",
+        type=float,
+        default=0.5,
         help="threshold to reserve the result for visualization")
     parser.add_argument(
-        "-i", "--infer_image", type=str, default=None,
+        "-i",
+        "--infer_image",
+        type=str,
+        default=None,
         help="image path for inference")
     parser.add_argument(
-        "-o", "--output_dir", type=str, default='output',
+        "-o",
+        "--output_dir",
+        type=str,
+        default='output',
         help="directory to save inference result if --visualize is set")
     parser.add_argument(
-        "-w", "--weights", default=None, type=str,
+        "-w",
+        "--weights",
+        default=None,
+        type=str,
         help="path to weights for inference")
     FLAGS = parser.parse_args()
     print_arguments(FLAGS)

examples/yolov3/main.py

@@ -25,9 +25,9 @@ from paddle import fluid
 from paddle.fluid.optimizer import Momentum
 from paddle.io import DataLoader
 
-from hapi.model import Model, Input, set_device
-from hapi.distributed import DistributedBatchSampler
-from hapi.vision.transforms import Compose, BatchCompose
+from paddle.incubate.hapi.model import Model, Input, set_device
+from paddle.incubate.hapi.distributed import DistributedBatchSampler
+from paddle.incubate.hapi.vision.transforms import Compose, BatchCompose
 
 from modeling import yolov3_darknet53, YoloLoss
 from coco import COCODataset

examples/yolov3/modeling.py

@@ -23,7 +23,7 @@ from paddle.fluid.regularizer import L2Decay
 from hapi.model import Model
 from hapi.loss import Loss
 from hapi.download import get_weights_path_from_url
-from hapi.vision.models import darknet53
+from darknet import darknet53
 
 __all__ = ['YoloLoss', 'YOLOv3', 'yolov3_darknet53']