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import os
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import re
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from enum import IntEnum
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from enum import unique
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from pypinyin import pinyin_dict
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SUPPORT_UCS4 = len('\U00020000') == 1
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# 词语拼音库
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if os.environ.get('PYPINYIN_NO_PHRASES'):
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PHRASES_DICT = {}
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else:
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from pypinyin import phrases_dict
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PHRASES_DICT = phrases_dict.phrases_dict # type: Dict[Text, List[List[Text]]]
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# 单字拼音库
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PINYIN_DICT = pinyin_dict.pinyin_dict # type: Dict[int, Text]
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# 利用环境变量控制不做copy操作(无自定义拼音库的情况), 以减少内存使用
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if not os.environ.get('PYPINYIN_NO_DICT_COPY'):
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PINYIN_DICT = PINYIN_DICT.copy()
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PHRASES_DICT = PHRASES_DICT.copy()
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# 匹配使用数字标识声调的字符的正则表达式
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RE_TONE2 = re.compile(r'([aeoiuvnm])([1-4])$')
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# 有拼音的汉字
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# https://www.qqxiuzi.cn/zh/hanzi-unicode-bianma.php
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# https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Guide/Regular_Expressions
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if SUPPORT_UCS4:
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RE_HANS = re.compile(r'^(?:['
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r'\u3007' # 〇
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r'\u3400-\u4dbf' # CJK扩展A:[3400-4DBF]
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r'\u4e00-\u9fff' # CJK基本:[4E00-9FFF]
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r'\uf900-\ufaff' # CJK兼容:[F900-FAFF]
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r'\U00020000-\U0002A6DF' # CJK扩展B:[20000-2A6DF]
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r'\U0002A703-\U0002B73F' # CJK扩展C:[2A700-2B73F]
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r'\U0002B740-\U0002B81D' # CJK扩展D:[2B740-2B81D]
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r'\U0002F80A-\U0002FA1F' # CJK兼容扩展:[2F800-2FA1F]
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r'])+$')
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else:
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RE_HANS = re.compile( # pragma: no cover
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r'^(?:['
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r'\u3007' # 〇
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r'\u3400-\u4dbf' # CJK扩展A:[3400-4DBF]
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r'\u4e00-\u9fff' # CJK基本:[4E00-9FFF]
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r'\uf900-\ufaff' # CJK兼容:[F900-FAFF]
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r'])+$')
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@unique
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class Style(IntEnum):
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"""拼音风格"""
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#: 普通风格，不带声调。如： 中国 -> ``zhong guo``
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NORMAL = 0
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#: 标准声调风格，拼音声调在韵母第一个字母上（默认风格）。如： 中国 -> ``zhōng guó``
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TONE = 1
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#: 声调风格2，即拼音声调在各个韵母之后，用数字 [1-4] 进行表示。如： 中国 -> ``zho1ng guo2``
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TONE2 = 2
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#: 声调风格3，即拼音声调在各个拼音之后，用数字 [1-4] 进行表示。如： 中国 -> ``zhong1 guo2``
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TONE3 = 8
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#: 声母风格，只返回各个拼音的声母部分（注：有的拼音没有声母，详见 `#27`_）。如： 中国 -> ``zh g``
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INITIALS = 3
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#: 首字母风格，只返回拼音的首字母部分。如： 中国 -> ``z g``
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FIRST_LETTER = 4
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#: 韵母风格，只返回各个拼音的韵母部分，不带声调。如： 中国 -> ``ong uo``
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FINALS = 5
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#: 标准韵母风格，带声调，声调在韵母第一个字母上。如：中国 -> ``ōng uó``
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FINALS_TONE = 6
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#: 韵母风格2，带声调，声调在各个韵母之后，用数字 [1-4] 进行表示。如： 中国 -> ``o1ng uo2``
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FINALS_TONE2 = 7
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#: 韵母风格3，带声调，声调在各个拼音之后，用数字 [1-4] 进行表示。如： 中国 -> ``ong1 uo2``
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FINALS_TONE3 = 9
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#: 注音风格，带声调，阴平（第一声）不标。如： 中国 -> ``ㄓㄨㄥ ㄍㄨㄛˊ``
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BOPOMOFO = 10
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#: 注音风格，仅首字母。如： 中国 -> ``ㄓ ㄍ``
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BOPOMOFO_FIRST = 11
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#: 汉语拼音与俄语字母对照风格，声调在各个拼音之后，用数字 [1-4] 进行表示。如： 中国 -> ``чжун1 го2``
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CYRILLIC = 12
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#: 汉语拼音与俄语字母对照风格，仅首字母。如： 中国 -> ``ч г``
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CYRILLIC_FIRST = 13
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NORMAL = STYLE_NORMAL = Style.NORMAL
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TONE = STYLE_TONE = Style.TONE
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TONE2 = STYLE_TONE2 = Style.TONE2
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TONE3 = STYLE_TONE3 = Style.TONE3
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INITIALS = STYLE_INITIALS = Style.INITIALS
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FIRST_LETTER = STYLE_FIRST_LETTER = Style.FIRST_LETTER
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FINALS = STYLE_FINALS = Style.FINALS
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FINALS_TONE = STYLE_FINALS_TONE = Style.FINALS_TONE
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FINALS_TONE2 = STYLE_FINALS_TONE2 = Style.FINALS_TONE2
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FINALS_TONE3 = STYLE_FINALS_TONE3 = Style.FINALS_TONE3
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BOPOMOFO = STYLE_BOPOMOFO = Style.BOPOMOFO
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BOPOMOFO_FIRST = STYLE_BOPOMOFO_FIRST = Style.BOPOMOFO_FIRST
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CYRILLIC = STYLE_CYRILLIC = Style.CYRILLIC
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CYRILLIC_FIRST = STYLE_CYRILLIC_FIRST = Style.CYRILLIC_FIRST
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