Add hapi.text and corresponding unit test. (#24457)

* Add hapi.text and corresponding unit test.
test=develop

* Remove hapi.text apis' reuse parameter args for coverage.
test=develop

* Fix TransformerCell and TransformerBeamSearchDecoder example codes.
test=develop

* Fix example codes in hapi.text.
test=develop

* Add some apis in hapi.text into example code white list.
test=develop

* Fix example code of DynamicDecode in hapi.text.
text=develop

* Rename Model.self as model in test_text.py
test=develop

python/paddle/incubate/hapi/__init__.py

@@ -22,6 +22,7 @@ from . import loss
 from . import datasets
 from . import distributed
 from . import vision
+from . import text
 
 logger.setup_logger()
 
@@ -33,6 +34,7 @@ __all__ = [
     'metrics',
     'loss',
     'vision',
+    'text',
 ]
 
 __all__ += model.__all__

python/paddle/incubate/hapi/text/__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.
+
+from . import text
+from .text import *
+
+__all__ = text.__all__

python/setup.py.in

@@ -183,6 +183,7 @@ packages=['paddle',
           'paddle.incubate.hapi.vision',
           'paddle.incubate.hapi.vision.models',
           'paddle.incubate.hapi.vision.transforms',
+          'paddle.incubate.hapi.text',
           'paddle.io',
           'paddle.nn',
           'paddle.nn.functional',

tools/wlist.json

@@ -334,6 +334,34 @@
         "ParallelEnv",
         "DataParallel",
         "DataParallel.scale_loss",
-        "DataParallel.apply_collective_grads"
+        "DataParallel.apply_collective_grads",
+        "BasicLSTMCell.forward",
+        "BasicGRUCell.forward",
+        "RNN.forward",
+        "StackedRNNCell.forward",
+        "StackedLSTMCell.forward",
+        "LSTM.forward",
+        "BidirectionalRNN.forward",
+        "BidirectionalLSTM.forward",
+        "StackedGRUCell.forward",
+        "GRU.forward",
+        "BidirectionalGRU.forward",
+        "DynamicDecode.forward",
+        "Conv1dPoolLayer.forward",
+        "CNNEncoder.forward",
+        "TransformerCell.forward",
+        "TransformerBeamSearchDecoder.step",
+        "MultiHeadAttention.forward",
+        "MultiHeadAttention.cal_kv",
+        "FFN.forward",
+        "TransformerEncoderLayer.forward",
+        "TransformerEncoder.forward",
+        "TransformerDecoderLayer.forward",
+        "TransformerDecoder.forward",
+        "TransformerDecoder.prepare_static_cache",
+        "TransformerDecoder.prepare_incremental_cache",
+        "LinearChainCRF.forward",
+        "CRFDecoding.forward",
+        "SequenceTagging.forward"
     ]
 }