From 6427c834dfd97b1f05c6659cdc7ccf010bf82fe1 Mon Sep 17 00:00:00 2001
From: 嘉渊 <wangjiaming.wjm@alibaba-inc.com>
Date: 星期一, 24 四月 2023 19:50:07 +0800
Subject: [PATCH] update

---
 funasr/datasets/preprocessor.py |  292 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 284 insertions(+), 8 deletions(-)

diff --git a/funasr/datasets/preprocessor.py b/funasr/datasets/preprocessor.py
index 75bee86..afeff4e 100644
--- a/funasr/datasets/preprocessor.py
+++ b/funasr/datasets/preprocessor.py
@@ -47,15 +47,20 @@
 
 def seg_tokenize(txt, seg_dict):
     out_txt = ""
-    pattern = re.compile(r"([\u4E00-\u9FA5A-Za-z0-9])")
     for word in txt:
-        if pattern.match(word):
-            if word in seg_dict:
-                out_txt += seg_dict[word] + " "
-            else:
-                out_txt += "<unk>" + " "
+        if word in seg_dict:
+            out_txt += seg_dict[word] + " "
         else:
-            continue
+            out_txt += "<unk>" + " "
+    return out_txt.strip().split()
+
+def seg_tokenize_wo_pattern(txt, seg_dict):
+    out_txt = ""
+    for word in txt:
+        if word in seg_dict:
+            out_txt += seg_dict[word] + " "
+        else:
+            out_txt += "<unk>" + " "
     return out_txt.strip().split()
 
 
@@ -354,7 +359,7 @@
             if self.split_with_space:
                 tokens = text.strip().split(" ")
                 if self.seg_dict is not None:
-                    tokens = forward_segment("".join(tokens).lower(), self.seg_dict)
+                    tokens = forward_segment("".join(tokens), self.seg_dict)
                     tokens = seg_tokenize(tokens, self.seg_dict)
             else:
                 tokens = self.tokenizer.text2tokens(text)
@@ -370,6 +375,70 @@
 
         data = self._speech_process(data)
         data = self._text_process(data)
+        return data
+
+## FIXME
+class LMPreprocessor(CommonPreprocessor):
+    def __init__(
+            self,
+            train: bool,
+            token_type: str = None,
+            token_list: Union[Path, str, Iterable[str]] = None,
+            bpemodel: Union[Path, str, Iterable[str]] = None,
+            text_cleaner: Collection[str] = None,
+            g2p_type: str = None,
+            unk_symbol: str = "<unk>",
+            space_symbol: str = "<space>",
+            non_linguistic_symbols: Union[Path, str, Iterable[str]] = None,
+            delimiter: str = None,
+            rir_scp: str = None,
+            rir_apply_prob: float = 1.0,
+            noise_scp: str = None,
+            noise_apply_prob: float = 1.0,
+            noise_db_range: str = "3_10",
+            speech_volume_normalize: float = None,
+            speech_name: str = "speech",
+            text_name: str = "text",
+            split_with_space: bool = False,
+            seg_dict_file: str = None,
+    ):
+        super().__init__(train,
+                         token_type,
+                         token_list,
+                         bpemodel,
+                         text_cleaner,
+                         g2p_type,
+                         unk_symbol,
+                         space_symbol,
+                         non_linguistic_symbols,
+                         delimiter,
+                         rir_scp,
+                         rir_apply_prob,
+                         noise_scp,
+                         noise_apply_prob,
+                         noise_db_range,
+                         speech_volume_normalize,
+                         speech_name,
+                         text_name,
+                         split_with_space,
+                         seg_dict_file,
+                         )
+
+    def _text_process(
+            self, data: Dict[str, Union[str, np.ndarray]]
+    ) -> Dict[str, np.ndarray]:
+        if self.text_name in data and self.tokenizer is not None:
+            text = data[self.text_name]
+            text = self.text_cleaner(text)
+            if self.split_with_space:
+                tokens = text.strip().split(" ")
+                if self.seg_dict is not None:
+                    tokens = seg_tokenize_wo_pattern(tokens, self.seg_dict)
+            else:
+                tokens = self.tokenizer.text2tokens(text)
+            text_ints = self.token_id_converter.tokens2ids(tokens)
+            data[self.text_name] = np.array(text_ints, dtype=np.int64)
+        assert check_return_type(data)
         return data
 
 
@@ -538,3 +607,210 @@
                 data[text_name] = np.array(text_ints, dtype=np.int64)
         assert check_return_type(data)
         return data
+
+class CodeMixTokenizerCommonPreprocessor(CommonPreprocessor):
+    def __init__(
+            self,
+            train: bool,
+            token_type: str = None,
+            token_list: Union[Path, str, Iterable[str]] = None,
+            bpemodel: Union[Path, str, Iterable[str]] = None,
+            text_cleaner: Collection[str] = None,
+            g2p_type: str = None,
+            unk_symbol: str = "<unk>",
+            space_symbol: str = "<space>",
+            non_linguistic_symbols: Union[Path, str, Iterable[str]] = None,
+            delimiter: str = None,
+            rir_scp: str = None,
+            rir_apply_prob: float = 1.0,
+            noise_scp: str = None,
+            noise_apply_prob: float = 1.0,
+            noise_db_range: str = "3_10",
+            speech_volume_normalize: float = None,
+            speech_name: str = "speech",
+            text_name: str = "text",
+            split_text_name: str = "split_text",
+            split_with_space: bool = False,
+            seg_dict_file: str = None,
+    ):
+        super().__init__(
+            train=train,
+            # Force to use word.
+            token_type="word",
+            token_list=token_list,
+            bpemodel=bpemodel,
+            text_cleaner=text_cleaner,
+            g2p_type=g2p_type,
+            unk_symbol=unk_symbol,
+            space_symbol=space_symbol,
+            non_linguistic_symbols=non_linguistic_symbols,
+            delimiter=delimiter,
+            speech_name=speech_name,
+            text_name=text_name,
+            rir_scp=rir_scp,
+            rir_apply_prob=rir_apply_prob,
+            noise_scp=noise_scp,
+            noise_apply_prob=noise_apply_prob,
+            noise_db_range=noise_db_range,
+            speech_volume_normalize=speech_volume_normalize,
+            split_with_space=split_with_space,
+            seg_dict_file=seg_dict_file,
+        )
+        # The data field name for split text.
+        self.split_text_name = split_text_name
+
+    @classmethod
+    def split_words(cls, text: str):
+        words = []
+        segs = text.split()
+        for seg in segs:
+            # There is no space in seg.
+            current_word = ""
+            for c in seg:
+                if len(c.encode()) == 1:
+                    # This is an ASCII char.
+                    current_word += c
+                else:
+                    # This is a Chinese char.
+                    if len(current_word) > 0:
+                        words.append(current_word)
+                        current_word = ""
+                    words.append(c)
+            if len(current_word) > 0:
+                words.append(current_word)
+        return words
+
+    def __call__(
+            self, uid: str, data: Dict[str, Union[list, str, np.ndarray]]
+    ) -> Dict[str, Union[list, np.ndarray]]:
+        assert check_argument_types()
+        # Split words.
+        if isinstance(data[self.text_name], str):
+            split_text = self.split_words(data[self.text_name])
+        else:
+            split_text = data[self.text_name]
+        data[self.text_name] = " ".join(split_text)
+        data = self._speech_process(data)
+        data = self._text_process(data)
+        data[self.split_text_name] = split_text
+        return data
+
+    def pop_split_text_data(self, data: Dict[str, Union[str, np.ndarray]]):
+        result = data[self.split_text_name]
+        del data[self.split_text_name]
+        return result
+
+class PuncTrainTokenizerCommonPreprocessor(CommonPreprocessor):
+    def __init__(
+            self,
+            train: bool,
+            token_type: List[str] = [None],
+            token_list: List[Union[Path, str, Iterable[str]]] = [None],
+            bpemodel: List[Union[Path, str, Iterable[str]]] = [None],
+            text_cleaner: Collection[str] = None,
+            g2p_type: str = None,
+            unk_symbol: str = "<unk>",
+            space_symbol: str = "<space>",
+            non_linguistic_symbols: Union[Path, str, Iterable[str]] = None,
+            delimiter: str = None,
+            rir_scp: str = None,
+            rir_apply_prob: float = 1.0,
+            noise_scp: str = None,
+            noise_apply_prob: float = 1.0,
+            noise_db_range: str = "3_10",
+            speech_volume_normalize: float = None,
+            speech_name: str = "speech",
+            text_name: List[str] = ["text"],
+            vad_name: str = "vad_indexes",
+    ):
+        # TODO(jiatong): sync with Kamo and Jing on interface for preprocessor
+        super().__init__(
+            train=train,
+            token_type=token_type[0],
+            token_list=token_list[0],
+            bpemodel=bpemodel[0],
+            text_cleaner=text_cleaner,
+            g2p_type=g2p_type,
+            unk_symbol=unk_symbol,
+            space_symbol=space_symbol,
+            non_linguistic_symbols=non_linguistic_symbols,
+            delimiter=delimiter,
+            speech_name=speech_name,
+            text_name=text_name[0],
+            rir_scp=rir_scp,
+            rir_apply_prob=rir_apply_prob,
+            noise_scp=noise_scp,
+            noise_apply_prob=noise_apply_prob,
+            noise_db_range=noise_db_range,
+            speech_volume_normalize=speech_volume_normalize,
+        )
+
+        assert (
+                len(token_type) == len(token_list) == len(bpemodel) == len(text_name)
+        ), "token_type, token_list, bpemodel, or processing text_name mismatched"
+        self.num_tokenizer = len(token_type)
+        self.tokenizer = []
+        self.token_id_converter = []
+
+        for i in range(self.num_tokenizer):
+            if token_type[i] is not None:
+                if token_list[i] is None:
+                    raise ValueError("token_list is required if token_type is not None")
+
+                self.tokenizer.append(
+                    build_tokenizer(
+                        token_type=token_type[i],
+                        bpemodel=bpemodel[i],
+                        delimiter=delimiter,
+                        space_symbol=space_symbol,
+                        non_linguistic_symbols=non_linguistic_symbols,
+                        g2p_type=g2p_type,
+                    )
+                )
+                self.token_id_converter.append(
+                    TokenIDConverter(
+                        token_list=token_list[i],
+                        unk_symbol=unk_symbol,
+                    )
+                )
+            else:
+                self.tokenizer.append(None)
+                self.token_id_converter.append(None)
+
+        self.text_cleaner = TextCleaner(text_cleaner)
+        self.text_name = text_name  # override the text_name from CommonPreprocessor
+        self.vad_name = vad_name
+
+    def _text_process(
+            self, data: Dict[str, Union[str, np.ndarray]]
+    ) -> Dict[str, np.ndarray]:
+        for i in range(self.num_tokenizer):
+            text_name = self.text_name[i]
+            if text_name in data and self.tokenizer[i] is not None:
+                text = data[text_name]
+                text = self.text_cleaner(text)
+                tokens = self.tokenizer[i].text2tokens(text)
+                if "vad:" in tokens[-1]:
+                    vad = tokens[-1][4:]
+                    tokens = tokens[:-1]
+                    if len(vad) == 0:
+                        vad = -1
+                    else:
+                        vad = int(vad)
+                    data[self.vad_name] = np.array([vad], dtype=np.int64)
+                text_ints = self.token_id_converter[i].tokens2ids(tokens)
+                data[text_name] = np.array(text_ints, dtype=np.int64)
+
+
+def split_to_mini_sentence(words: list, word_limit: int = 20):
+    assert word_limit > 1
+    if len(words) <= word_limit:
+        return [words]
+    sentences = []
+    length = len(words)
+    sentence_len = length // word_limit
+    for i in range(sentence_len):
+        sentences.append(words[i * word_limit:(i + 1) * word_limit])
+    if length % word_limit > 0:
+        sentences.append(words[sentence_len * word_limit:])
+    return sentences
\ No newline at end of file

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