From adcee8828ef5d78b575043954deb662a35e318f7 Mon Sep 17 00:00:00 2001
From: huangmingming <huangmingming@deepscience.cn>
Date: 星期一, 30 一月 2023 16:02:54 +0800
Subject: [PATCH] update the minimum size of audio

---
 funasr/datasets/large_datasets/utils/tokenize.py |   37 ++++++++++++++++++++++++++++++++++++-
 1 files changed, 36 insertions(+), 1 deletions(-)

diff --git a/funasr/datasets/large_datasets/utils/tokenize.py b/funasr/datasets/large_datasets/utils/tokenize.py
index 937e144..0c01885 100644
--- a/funasr/datasets/large_datasets/utils/tokenize.py
+++ b/funasr/datasets/large_datasets/utils/tokenize.py
@@ -1,12 +1,47 @@
 #!/usr/bin/env python
+import re
 import numpy as np
 
+def forward_segment(text, seg_dict):
+    word_list = []
+    i = 0
+    while i < len(text):
+        longest_word = text[i]
+        for j in range(i + 1, len(text) + 1):
+            word = text[i:j]
+            if word in seg_dict:
+                if len(word) > len(longest_word):
+                    longest_word = word
+        word_list.append(longest_word)
+        i += len(longest_word)
+    return word_list
+
+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>" + " "
+        else:
+            continue
+    return out_txt.strip().split()
+
 def tokenize(data,
-             vocab=None):
+             vocab=None,
+             seg_dict=None):
     assert "text" in data
     assert isinstance(vocab, dict)
     text = data["text"]
     token = []
+
+    if seg_dict is not None:
+        assert isinstance(seg_dict, dict)
+        txt = forward_segment("".join(text).lower(), seg_dict)
+        text = seg_tokenize(txt, seg_dict)
+    
     for x in text:
         if x in vocab:
             token.append(vocab[x])

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