From 5cee016c434c79b42a6e439ea80131fc6386ea29 Mon Sep 17 00:00:00 2001
From: justoy <li.justoy@gmail.com>
Date: Thu, 3 Jul 2025 11:21:44 -0700
Subject: [PATCH] add how to cut param to api.py

---
 api.py | 138 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 137 insertions(+), 1 deletion(-)

diff --git a/api.py b/api.py
index cc0896a2..f3c1dba6 100644
--- a/api.py
+++ b/api.py
@@ -22,6 +22,7 @@
 ·-mt` - `返回的音频编码格式, 流式默认ogg, 非流式默认wav, "wav", "ogg", "aac"`
 ·-st` - `返回的音频数据类型, 默认int16, "int16", "int32"`
 ·-cp` - `文本切分符号设定, 默认为空, 以",.，。"字符串的方式传入`
+·-htc` - `文本切分方式, 默认"不切", "不切", "凑四句一切", "凑50字一切", "按中文句号。切", "按英文句号.切", "按标点符号切"`
 
 `-hb` - `cnhubert路径`
 `-b` - `bert路径`
@@ -55,6 +56,18 @@ POST:
 }
 ```
 
+使用执行参数指定的参考音频并设定文本切分方式:
+GET:
+    `http://127.0.0.1:9880?text=先帝创业未半而中道崩殂，今天下三分，益州疲弊，此诚危急存亡之秋也。&text_language=zh&how_to_cut=按中文句号。切`
+POST:
+```json
+{
+    "text": "先帝创业未半而中道崩殂，今天下三分，益州疲弊，此诚危急存亡之秋也。",
+    "text_language": "zh",
+    "how_to_cut": "按中文句号。切"
+}
+```
+
 手动指定当次推理所使用的参考音频:
 GET:
     `http://127.0.0.1:9880?refer_wav_path=123.wav&prompt_text=一二三。&prompt_language=zh&text=先帝创业未半而中道崩殂，今天下三分，益州疲弊，此诚危急存亡之秋也。&text_language=zh`
@@ -75,7 +88,7 @@ RESP:
 
 手动指定当次推理所使用的参考音频，并提供参数:
 GET:
-    `http://127.0.0.1:9880?refer_wav_path=123.wav&prompt_text=一二三。&prompt_language=zh&text=先帝创业未半而中道崩殂，今天下三分，益州疲弊，此诚危急存亡之秋也。&text_language=zh&top_k=20&top_p=0.6&temperature=0.6&speed=1&inp_refs="456.wav"&inp_refs="789.wav"`
+    `http://127.0.0.1:9880?refer_wav_path=123.wav&prompt_text=一二三。&prompt_language=zh&text=先帝创业未半而中道崩殂，今天下三分，益州疲弊，此诚危急存亡之秋也。&text_language=zh&top_k=20&top_p=0.6&temperature=0.6&speed=1&how_to_cut=按中文句号。切&inp_refs="456.wav"&inp_refs="789.wav"`
 POST:
 ```json
 {
@@ -88,6 +101,7 @@ POST:
     "top_p": 0.6,
     "temperature": 0.6,
     "speed": 1,
+    "how_to_cut": "按中文句号。切",
     "inp_refs": ["456.wav","789.wav"]
 }
 ```
@@ -144,6 +158,7 @@ import argparse
 import os
 import re
 import sys
+from string import punctuation
 
 now_dir = os.getcwd()
 sys.path.append(now_dir)
@@ -827,12 +842,110 @@ splits = {
 }
 
 
+def split(todo_text):
+    todo_text = todo_text.replace("……", "。").replace("——", "，")
+    if todo_text[-1] not in splits:
+        todo_text += "。"
+    i_split_head = i_split_tail = 0
+    len_text = len(todo_text)
+    todo_texts = []
+    while 1:
+        if i_split_head >= len_text:
+            break  # 结尾一定有标点，所以直接跳出即可，最后一段在上次已加入
+        if todo_text[i_split_head] in splits:
+            i_split_head += 1
+            todo_texts.append(todo_text[i_split_tail:i_split_head])
+            i_split_tail = i_split_head
+        else:
+            i_split_head += 1
+    return todo_texts
+
+
+def cut1(inp):
+    inp = inp.strip("\n")
+    inps = split(inp)
+    split_idx = list(range(0, len(inps), 4))
+    split_idx[-1] = None
+    if len(split_idx) > 1:
+        opts = []
+        for idx in range(len(split_idx) - 1):
+            opts.append("".join(inps[split_idx[idx] : split_idx[idx + 1]]))
+    else:
+        opts = [inp]
+    opts = [item for item in opts if not set(item).issubset(punctuation)]
+    return "\n".join(opts)
+
+
+def cut2(inp):
+    inp = inp.strip("\n")
+    inps = split(inp)
+    if len(inps) < 2:
+        return inp
+    opts = []
+    summ = 0
+    tmp_str = ""
+    for i in range(len(inps)):
+        summ += len(inps[i])
+        tmp_str += inps[i]
+        if summ > 50:
+            summ = 0
+            opts.append(tmp_str)
+            tmp_str = ""
+    if tmp_str != "":
+        opts.append(tmp_str)
+    # print(opts)
+    if len(opts) > 1 and len(opts[-1]) < 50:  ##如果最后一个太短了，和前一个合一起
+        opts[-2] = opts[-2] + opts[-1]
+        opts = opts[:-1]
+    opts = [item for item in opts if not set(item).issubset(punctuation)]
+    return "\n".join(opts)
+
+
+def cut3(inp):
+    inp = inp.strip("\n")
+    opts = ["%s" % item for item in inp.strip("。").split("。")]
+    opts = [item for item in opts if not set(item).issubset(punctuation)]
+    return "\n".join(opts)
+
+
+def cut4(inp):
+    inp = inp.strip("\n")
+    opts = re.split(r"(?<!\d)\.(?!\d)", inp.strip("."))
+    opts = [item for item in opts if not set(item).issubset(punctuation)]
+    return "\n".join(opts)
+
+
+def cut5(inp):
+    inp = inp.strip("\n")
+    punds = {",", ".", ";", "?", "!", "、", "，", "。", "？", "！", ";", "：", "…"}
+    mergeitems = []
+    items = []
+
+    for i, char in enumerate(inp):
+        if char in punds:
+            if char == "." and i > 0 and i < len(inp) - 1 and inp[i - 1].isdigit() and inp[i + 1].isdigit():
+                items.append(char)
+            else:
+                items.append(char)
+                mergeitems.append("".join(items))
+                items = []
+        else:
+            items.append(char)
+
+    if items:
+        mergeitems.append("".join(items))
+
+    opt = [item for item in mergeitems if not set(item).issubset(punds)]
+    return "\n".join(opt)
+
+
 def get_tts_wav(
     ref_wav_path,
     prompt_text,
     prompt_language,
     text,
     text_language,
+    how_to_cut="不切",
     top_k=15,
     top_p=0.6,
     temperature=0.6,
@@ -909,6 +1022,20 @@ def get_tts_wav(
             refer, audio_tensor = get_spepc(hps, ref_wav_path, dtype, device)
 
     t1 = ttime()
+    # Apply text cutting based on how_to_cut parameter
+    if how_to_cut == "凑四句一切":
+        text = cut1(text)
+    elif how_to_cut == "凑50字一切":
+        text = cut2(text)
+    elif how_to_cut == "按中文句号。切":
+        text = cut3(text)
+    elif how_to_cut == "按英文句号.切":
+        text = cut4(text)
+    elif how_to_cut == "按标点符号切":
+        text = cut5(text)
+    while "\n\n" in text:
+        text = text.replace("\n\n", "\n")
+    
     # os.environ['version'] = version
     prompt_language = dict_language[prompt_language.lower()]
     text_language = dict_language[text_language.lower()]
@@ -1104,6 +1231,7 @@ def handle(
     text,
     text_language,
     cut_punc,
+    how_to_cut,
     top_k,
     top_p,
     temperature,
@@ -1140,6 +1268,7 @@ def handle(
             prompt_language,
             text,
             text_language,
+            how_to_cut,
             top_k,
             top_p,
             temperature,
@@ -1211,6 +1340,9 @@ parser.add_argument("-mt", "--media_type", type=str, default="wav", help="音频
 parser.add_argument("-st", "--sub_type", type=str, default="int16", help="音频数据类型, int16 / int32")
 parser.add_argument("-cp", "--cut_punc", type=str, default="", help="文本切分符号设定, 符号范围,.;?!、，。？！；：…")
 # 切割常用分句符为 `python ./api.py -cp ".?!。？！"`
+parser.add_argument("-htc", "--how_to_cut", type=str, default="不切", 
+                   choices=["不切", "凑四句一切", "凑50字一切", "按中文句号。切", "按英文句号.切", "按标点符号切"],
+                   help="文本切分方式")
 parser.add_argument("-hb", "--hubert_path", type=str, default=g_config.cnhubert_path, help="覆盖config.cnhubert_path")
 parser.add_argument("-b", "--bert_path", type=str, default=g_config.bert_path, help="覆盖config.bert_path")
 
@@ -1223,6 +1355,7 @@ host = args.bind_addr
 cnhubert_base_path = args.hubert_path
 bert_path = args.bert_path
 default_cut_punc = args.cut_punc
+how_to_cut = args.how_to_cut
 
 # 应用参数配置
 default_refer = DefaultRefer(args.default_refer_path, args.default_refer_text, args.default_refer_language)
@@ -1348,6 +1481,7 @@ async def tts_endpoint(request: Request):
         json_post_raw.get("text"),
         json_post_raw.get("text_language"),
         json_post_raw.get("cut_punc"),
+        json_post_raw.get("how_to_cut"),
         json_post_raw.get("top_k", 15),
         json_post_raw.get("top_p", 1.0),
         json_post_raw.get("temperature", 1.0),
@@ -1366,6 +1500,7 @@ async def tts_endpoint(
     text: str = None,
     text_language: str = None,
     cut_punc: str = None,
+    how_to_cut: str = Query(default=None),
     top_k: int = 15,
     top_p: float = 1.0,
     temperature: float = 1.0,
@@ -1381,6 +1516,7 @@ async def tts_endpoint(
         text,
         text_language,
         cut_punc,
+        how_to_cut,
         top_k,
         top_p,
         temperature,