Restore 0.1.5 version from stash

2025-12-08 19:56:24 +08:00
parent de189e938d
commit 8db3f4e32d
8578 changed files with 2703426 additions and 217 deletions
@@ -0,0 +1,94 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from pypinyin.standard import convert_finals
+from pypinyin.style._constants import (
+    _INITIALS, _INITIALS_NOT_STRICT, _FINALS,
+    RE_PHONETIC_SYMBOL, PHONETIC_SYMBOL_DICT,
+    PHONETIC_SYMBOL_DICT_KEY_LENGTH_NOT_ONE,
+    RE_NUMBER
+)
+
+
+def get_initials(pinyin, strict):
+    """获取单个拼音中的声母.
+
+    :param pinyin: 单个拼音
+    :type pinyin: unicode
+    :param strict: 是否严格遵照《汉语拼音方案》来处理声母和韵母
+    :return: 声母
+    :rtype: unicode
+    """
+    if strict:
+        _initials = _INITIALS
+    else:
+        _initials = _INITIALS_NOT_STRICT
+
+    for i in _initials:
+        if pinyin.startswith(i):
+            return i
+    return ''
+
+
+def get_finals(pinyin, strict):
+    """获取单个拼音中的韵母.
+
+    :param pinyin: 单个拼音，无声调拼音
+    :type pinyin: unicode
+    :param strict: 是否严格遵照《汉语拼音方案》来处理声母和韵母
+    :return: 韵母
+    :rtype: unicode
+    """
+    if strict:
+        pinyin = convert_finals(pinyin)
+
+    initials = get_initials(pinyin, strict=strict) or ''
+
+    # 按声母分割，剩下的就是韵母
+    finals = pinyin[len(initials):]
+
+    # 处理既没有声母也没有韵母的情况
+    if strict and finals not in _FINALS:
+        # 处理 y, w 导致误判的问题，比如 yo
+        initials = get_initials(pinyin, strict=False)
+        finals = pinyin[len(initials):]
+        if finals in _FINALS:
+            return finals
+        return ''
+
+    # ń, ḿ
+    if not finals and not strict:
+        return pinyin
+
+    return finals
+
+
+def replace_symbol_to_number(pinyin):
+    """把声调替换为数字"""
+    def _replace(match):
+        symbol = match.group(0)  # 带声调的字符
+        # 返回使用数字标识声调的字符
+        return PHONETIC_SYMBOL_DICT[symbol]
+
+    # 替换拼音中的带声调字符
+    value = RE_PHONETIC_SYMBOL.sub(_replace, pinyin)
+    for symbol, to in PHONETIC_SYMBOL_DICT_KEY_LENGTH_NOT_ONE.items():
+        value = value.replace(symbol, to)
+
+    return value
+
+
+def replace_symbol_to_no_symbol(pinyin):
+    """把带声调字符替换为没有声调的字符"""
+    value = replace_symbol_to_number(pinyin)
+    return RE_NUMBER.sub('', value)
+
+
+def has_finals(pinyin):
+    """判断是否有韵母"""
+    # 鼻音: 'm̄', 'ḿ', 'm̀', 'ń', 'ň', 'ǹ ' 没有韵母
+    for symbol in ['m̄', 'ḿ', 'm̀', 'ń', 'ň', 'ǹ']:
+        if symbol in pinyin:
+            return False
+
+    return True