format

tests/unit/asr/reverse_pad_list.py

@@ -1,16 +1,27 @@
-
-
-
+# Copyright (c) 2021 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.
+import unittest
 
 import paddle
-import numpy as np
-import unittest
 
-# from paddlespeech.audio.utils.tensor_utils import reverse_pad_list
-import paddlespeech.s2t
+import paddlespeech.s2t  # noqa: F401
 from paddlespeech.audio.utils.tensor_utils import add_sos_eos
 from paddlespeech.audio.utils.tensor_utils import pad_sequence
 
+# from paddlespeech.audio.utils.tensor_utils import reverse_pad_list
+
+
 def reverse_pad_list(ys_pad: paddle.Tensor,
                      ys_lens: paddle.Tensor,
                      pad_value: float=-1.0) -> paddle.Tensor:
@@ -33,12 +44,22 @@ def reverse_pad_list(ys_pad: paddle.Tensor,
                              for y, i in zip(ys_pad, ys_lens)], True, pad_value)
     return r_ys_pad
 
-def naive_reverse_pad_list_with_sos_eos(r_hyps, r_hyps_lens, sos=5000, eos=5000, ignore_id=-1):
+
+def naive_reverse_pad_list_with_sos_eos(r_hyps,
+                                        r_hyps_lens,
+                                        sos=5000,
+                                        eos=5000,
+                                        ignore_id=-1):
     r_hyps = reverse_pad_list(r_hyps, r_hyps_lens, float(ignore_id))
     r_hyps, _ = add_sos_eos(r_hyps, sos, eos, ignore_id)
     return r_hyps
 
-def reverse_pad_list_with_sos_eos(r_hyps, r_hyps_lens, sos=5000, eos=5000, ignore_id=-1):
+
+def reverse_pad_list_with_sos_eos(r_hyps,
+                                  r_hyps_lens,
+                                  sos=5000,
+                                  eos=5000,
+                                  ignore_id=-1):
     #   >>> r_hyps = reverse_pad_list(r_hyps, r_hyps_lens, float(self.ignore_id))
     #   >>> r_hyps, _ = add_sos_eos(r_hyps, self.sos, self.eos, self.ignore_id)
     max_len = paddle.max(r_hyps_lens)
@@ -73,8 +94,7 @@ def reverse_pad_list_with_sos_eos(r_hyps, r_hyps_lens, sos=5000, eos=5000, ignor
                 x_arange = x_arange.reshape(reshape_shape)
                 dim_index = paddle.expand(x_arange, index_shape).flatten()
                 nd_index.append(dim_index)
-            ind2 = paddle.transpose(paddle.stack(nd_index),
-                                    [1, 0]).astype("int64")
+        ind2 = paddle.transpose(paddle.stack(nd_index), [1, 0]).astype("int64")
         paddle_out = paddle.gather_nd(x, ind2).reshape(index_shape)
         return paddle_out
 
@@ -106,22 +126,12 @@ class TestU2Model(unittest.TestCase):
         self.sos = 5000
         self.eos = 5000
         self.ignore_id = -1
-        self.reverse_hyps = paddle.to_tensor(
-            [[ 4,  3,  2,  1, -1],
-            [ 5,  4,  3,  2,  1]]
-        )
+        self.reverse_hyps = paddle.to_tensor([[4, 3, 2, 1, -1],
+                                              [5, 4, 3, 2, 1]])
         self.reverse_hyps_sos_eos = paddle.to_tensor(
-            [[self.sos, 4   , 3   , 2   , 1   , self.eos],
-            [self.sos, 5   , 4   , 3   , 2   , 1   ]]
-        )
-
-        self.hyps = paddle.to_tensor(
-            [
-                [1, 2, 3, 4, -1], 
-                [1, 2, 3, 4, 5]
-            ]
-            )
+            [[self.sos, 4, 3, 2, 1, self.eos], [self.sos, 5, 4, 3, 2, 1]])
 
+        self.hyps = paddle.to_tensor([[1, 2, 3, 4, -1], [1, 2, 3, 4, 5]])
 
         self.hyps_lens = paddle.to_tensor([4, 5], paddle.int32)
 
@@ -130,16 +140,17 @@ class TestU2Model(unittest.TestCase):
         self.assertSequenceEqual(r_hyps.tolist(), self.reverse_hyps.tolist())
 
     def test_naive_reverse_pad_list_with_sos_eos(self):
-        r_hyps_sos_eos = naive_reverse_pad_list_with_sos_eos(self.hyps, self.hyps_lens)
-        self.assertSequenceEqual(r_hyps_sos_eos.tolist(), self.reverse_hyps_sos_eos.tolist())
+        r_hyps_sos_eos = naive_reverse_pad_list_with_sos_eos(self.hyps,
+                                                             self.hyps_lens)
+        self.assertSequenceEqual(r_hyps_sos_eos.tolist(),
+                                 self.reverse_hyps_sos_eos.tolist())
 
     def test_static_reverse_pad_list_with_sos_eos(self):
-        r_hyps_sos_eos_static = reverse_pad_list_with_sos_eos(self.hyps, self.hyps_lens)
-        self.assertSequenceEqual(r_hyps_sos_eos_static.tolist(), self.reverse_hyps_sos_eos.tolist())
-
+        r_hyps_sos_eos_static = reverse_pad_list_with_sos_eos(self.hyps,
+                                                              self.hyps_lens)
+        self.assertSequenceEqual(r_hyps_sos_eos_static.tolist(),
+                                 self.reverse_hyps_sos_eos.tolist())
 
 
 if __name__ == '__main__':
     unittest.main()
-
-