From 0a4e3b7e64e9e095cfdcd4b3c28bde7aa58839e7 Mon Sep 17 00:00:00 2001
From: 游雁 <zhifu.gzf@alibaba-inc.com>
Date: 星期六, 11 二月 2023 17:40:00 +0800
Subject: [PATCH] readme

---
 funasr/bin/asr_inference_paraformer.py |  219 ++++++++++++++----------------------------------------
 1 files changed, 58 insertions(+), 161 deletions(-)

diff --git a/funasr/bin/asr_inference_paraformer.py b/funasr/bin/asr_inference_paraformer.py
index 1455517..6c5acfc 100644
--- a/funasr/bin/asr_inference_paraformer.py
+++ b/funasr/bin/asr_inference_paraformer.py
@@ -3,6 +3,9 @@
 import logging
 import sys
 import time
+import copy
+import os
+import codecs
 from pathlib import Path
 from typing import Optional
 from typing import Sequence
@@ -35,6 +38,8 @@
 from funasr.utils.types import str_or_none
 from funasr.utils import asr_utils, wav_utils, postprocess_utils
 from funasr.models.frontend.wav_frontend import WavFrontend
+from funasr.models.e2e_asr_paraformer import BiCifParaformer, ContextualParaformer
+
 
 header_colors = '\033[95m'
 end_colors = '\033[0m'
@@ -78,6 +83,7 @@
             penalty: float = 0.0,
             nbest: int = 1,
             frontend_conf: dict = None,
+            hotword_list_or_file: str = None,
             **kwargs,
     ):
         assert check_argument_types()
@@ -168,6 +174,34 @@
         self.asr_train_args = asr_train_args
         self.converter = converter
         self.tokenizer = tokenizer
+
+        # 6. [Optional] Build hotword list from file or str
+        if hotword_list_or_file is None:
+            self.hotword_list = None
+        elif os.path.exists(hotword_list_or_file):
+            self.hotword_list = []
+            hotword_str_list = []
+            with codecs.open(hotword_list_or_file, 'r') as fin:
+                for line in fin.readlines():
+                    hw = line.strip()
+                    hotword_str_list.append(hw)
+                    self.hotword_list.append(self.converter.tokens2ids([i for i in hw]))
+                self.hotword_list.append([1])
+                hotword_str_list.append('<s>')
+            logging.info("Initialized hotword list from file: {}, hotword list: {}."
+                .format(hotword_list_or_file, hotword_str_list))
+        else:
+            logging.info("Attempting to parse hotwords as str...")
+            self.hotword_list = []
+            hotword_str_list = []
+            for hw in hotword_list_or_file.strip().split():
+                hotword_str_list.append(hw)
+                self.hotword_list.append(self.converter.tokens2ids([i for i in hw]))
+            self.hotword_list.append([1])
+            hotword_str_list.append('<s>')
+            logging.info("Hotword list: {}.".format(hotword_str_list))
+
+
         is_use_lm = lm_weight != 0.0 and lm_file is not None
         if (ctc_weight == 0.0 or asr_model.ctc == None) and not is_use_lm:
             beam_search = None
@@ -181,7 +215,7 @@
         self.nbest = nbest
         self.frontend = frontend
         self.encoder_downsampling_factor = 1
-        if asr_train_args.encoder_conf["input_layer"] == "conv2d":
+        if asr_train_args.encoder == "data2vec_encoder" or asr_train_args.encoder_conf["input_layer"] == "conv2d":
             self.encoder_downsampling_factor = 4
 
     @torch.no_grad()
@@ -229,8 +263,14 @@
         pre_token_length = pre_token_length.round().long()
         if torch.max(pre_token_length) < 1:
             return []
-        decoder_outs = self.asr_model.cal_decoder_with_predictor(enc, enc_len, pre_acoustic_embeds, pre_token_length)
-        decoder_out, ys_pad_lens = decoder_outs[0], decoder_outs[1]
+        if not isinstance(self.asr_model, ContextualParaformer):
+            if self.hotword_list:
+                logging.warning("Hotword is given but asr model is not a ContextualParaformer.")
+            decoder_outs = self.asr_model.cal_decoder_with_predictor(enc, enc_len, pre_acoustic_embeds, pre_token_length)
+            decoder_out, ys_pad_lens = decoder_outs[0], decoder_outs[1]
+        else:
+            decoder_outs = self.asr_model.cal_decoder_with_predictor(enc, enc_len, pre_acoustic_embeds, pre_token_length, hw_list=self.hotword_list)
+            decoder_out, ys_pad_lens = decoder_outs[0], decoder_outs[1]
 
         results = []
         b, n, d = decoder_out.size()
@@ -279,162 +319,6 @@
         # assert check_return_type(results)
         return results
 
-
-# def inference(
-#         maxlenratio: float,
-#         minlenratio: float,
-#         batch_size: int,
-#         beam_size: int,
-#         ngpu: int,
-#         ctc_weight: float,
-#         lm_weight: float,
-#         penalty: float,
-#         log_level: Union[int, str],
-#         data_path_and_name_and_type,
-#         asr_train_config: Optional[str],
-#         asr_model_file: Optional[str],
-#         cmvn_file: Optional[str] = None,
-#         raw_inputs: Union[np.ndarray, torch.Tensor] = None,
-#         lm_train_config: Optional[str] = None,
-#         lm_file: Optional[str] = None,
-#         token_type: Optional[str] = None,
-#         key_file: Optional[str] = None,
-#         word_lm_train_config: Optional[str] = None,
-#         bpemodel: Optional[str] = None,
-#         allow_variable_data_keys: bool = False,
-#         streaming: bool = False,
-#         output_dir: Optional[str] = None,
-#         dtype: str = "float32",
-#         seed: int = 0,
-#         ngram_weight: float = 0.9,
-#         nbest: int = 1,
-#         num_workers: int = 1,
-#         frontend_conf: dict = None,
-#         fs: Union[dict, int] = 16000,
-#         lang: Optional[str] = None,
-#         **kwargs,
-# ):
-#     assert check_argument_types()
-#
-#     if word_lm_train_config is not None:
-#         raise NotImplementedError("Word LM is not implemented")
-#     if ngpu > 1:
-#         raise NotImplementedError("only single GPU decoding is supported")
-#
-#     logging.basicConfig(
-#         level=log_level,
-#         format="%(asctime)s (%(module)s:%(lineno)d) %(levelname)s: %(message)s",
-#     )
-#
-#     if ngpu >= 1 and torch.cuda.is_available():
-#         device = "cuda"
-#     else:
-#         device = "cpu"
-#
-#     # 1. Set random-seed
-#     set_all_random_seed(seed)
-#
-#     # 2. Build speech2text
-#     speech2text_kwargs = dict(
-#         asr_train_config=asr_train_config,
-#         asr_model_file=asr_model_file,
-#         cmvn_file=cmvn_file,
-#         lm_train_config=lm_train_config,
-#         lm_file=lm_file,
-#         token_type=token_type,
-#         bpemodel=bpemodel,
-#         device=device,
-#         maxlenratio=maxlenratio,
-#         minlenratio=minlenratio,
-#         dtype=dtype,
-#         beam_size=beam_size,
-#         ctc_weight=ctc_weight,
-#         lm_weight=lm_weight,
-#         ngram_weight=ngram_weight,
-#         penalty=penalty,
-#         nbest=nbest,
-#         frontend_conf=frontend_conf,
-#     )
-#     speech2text = Speech2Text(**speech2text_kwargs)
-#
-#     # 3. Build data-iterator
-#     loader = ASRTask.build_streaming_iterator(
-#         data_path_and_name_and_type,
-#         dtype=dtype,
-#         batch_size=batch_size,
-#         key_file=key_file,
-#         num_workers=num_workers,
-#         preprocess_fn=ASRTask.build_preprocess_fn(speech2text.asr_train_args, False),
-#         collate_fn=ASRTask.build_collate_fn(speech2text.asr_train_args, False),
-#         allow_variable_data_keys=allow_variable_data_keys,
-#         inference=True,
-#     )
-#
-#     forward_time_total = 0.0
-#     length_total = 0.0
-#     finish_count = 0
-#     file_count = 1
-#     # 7 .Start for-loop
-#     # FIXME(kamo): The output format should be discussed about
-#     asr_result_list = []
-#     if output_dir is not None:
-#         writer = DatadirWriter(output_dir)
-#     else:
-#         writer = None
-#
-#     for keys, batch in loader:
-#         assert isinstance(batch, dict), type(batch)
-#         assert all(isinstance(s, str) for s in keys), keys
-#         _bs = len(next(iter(batch.values())))
-#         assert len(keys) == _bs, f"{len(keys)} != {_bs}"
-#         # batch = {k: v for k, v in batch.items() if not k.endswith("_lengths")}
-#
-#         logging.info("decoding, utt_id: {}".format(keys))
-#         # N-best list of (text, token, token_int, hyp_object)
-#
-#         time_beg = time.time()
-#         results = speech2text(**batch)
-#         if len(results) < 1:
-#             hyp = Hypothesis(score=0.0, scores={}, states={}, yseq=[])
-#             results = [[" ", ["sil"], [2], hyp, 10, 6]] * nbest
-#         time_end = time.time()
-#         forward_time = time_end - time_beg
-#         lfr_factor = results[0][-1]
-#         length = results[0][-2]
-#         forward_time_total += forward_time
-#         length_total += length
-#         logging.info(
-#             "decoding, feature length: {}, forward_time: {:.4f}, rtf: {:.4f}".
-#                 format(length, forward_time, 100 * forward_time / (length*lfr_factor)))
-#
-#         for batch_id in range(_bs):
-#             result = [results[batch_id][:-2]]
-#
-#             key = keys[batch_id]
-#             for n, (text, token, token_int, hyp) in zip(range(1, nbest + 1), result):
-#                 # Create a directory: outdir/{n}best_recog
-#                 if writer is not None:
-#                     ibest_writer = writer[f"{n}best_recog"]
-#
-#                     # Write the result to each file
-#                     ibest_writer["token"][key] = " ".join(token)
-#                     ibest_writer["token_int"][key] = " ".join(map(str, token_int))
-#                     ibest_writer["score"][key] = str(hyp.score)
-#
-#                 if text is not None:
-#                     text_postprocessed = postprocess_utils.sentence_postprocess(token)
-#                     item = {'key': key, 'value': text_postprocessed}
-#                     asr_result_list.append(item)
-#                     finish_count += 1
-#                     # asr_utils.print_progress(finish_count / file_count)
-#                     if writer is not None:
-#                         ibest_writer["text"][key] = text
-#
-#                 logging.info("decoding, utt: {}, predictions: {}".format(key, text))
-#
-#     logging.info("decoding, feature length total: {}, forward_time total: {:.4f}, rtf avg: {:.4f}".
-#                  format(length_total, forward_time_total, 100 * forward_time_total / (length_total*lfr_factor)))
-#     return asr_result_list
 
 def inference(
         maxlenratio: float,
@@ -544,6 +428,11 @@
         format="%(asctime)s (%(module)s:%(lineno)d) %(levelname)s: %(message)s",
     )
 
+    if param_dict is not None:
+        hotword_list_or_file = param_dict.get('hotword')
+    else:
+        hotword_list_or_file = None
+
     if ngpu >= 1 and torch.cuda.is_available():
         device = "cuda"
     else:
@@ -572,6 +461,7 @@
         ngram_weight=ngram_weight,
         penalty=penalty,
         nbest=nbest,
+        hotword_list_or_file=hotword_list_or_file,
     )
     speech2text = Speech2Text(**speech2text_kwargs)
 
@@ -653,7 +543,7 @@
                         ibest_writer["rtf"][key] = rtf_cur
 
                     if text is not None:
-                        text_postprocessed = postprocess_utils.sentence_postprocess(token)
+                        text_postprocessed, _ = postprocess_utils.sentence_postprocess(token)
                         item = {'key': key, 'value': text_postprocessed}
                         asr_result_list.append(item)
                         finish_count += 1
@@ -707,7 +597,12 @@
         default=1,
         help="The number of workers used for DataLoader",
     )
-
+    parser.add_argument(
+        "--hotword",
+        type=str_or_none,
+        default=None,
+        help="hotword file path or hotwords seperated by space"
+    )
     group = parser.add_argument_group("Input data related")
     group.add_argument(
         "--data_path_and_name_and_type",
@@ -835,8 +730,10 @@
     print(get_commandline_args(), file=sys.stderr)
     parser = get_parser()
     args = parser.parse_args(cmd)
+    param_dict = {'hotword': args.hotword}
     kwargs = vars(args)
     kwargs.pop("config", None)
+    kwargs['param_dict'] = param_dict
     inference(**kwargs)
 
 

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