CTIS.py

import os
import random
import hashlib
import datasets
from datasets.tasks import AudioClassification


_HOMEPAGE = f"https://www.modelscope.cn/datasets/ccmusic-database/{os.path.basename(__file__)[:-3]}"

_DOMAIN = f"{_HOMEPAGE}/resolve/master/data"

_NAMES = {
    "C0090": ["大笒", "da4_cen2"],
    "C0091": ["高音横笛", "Treble_heng2_di2"],
    "C0092": ["低音横笛", "Bass_heng2_di2"],
    "C0093": ["中音横笛", "Alto_heng2_di2"],
    "C0094": ["唢呐", "suo3_na"],
    "C0095": ["长唢呐", "chang2_suo3_na"],
    "C0096": ["小筚篥", "Treble_bi4_li"],
    "C0097": ["中音筚篥", "Alto_bi4_li"],
    "C0098": ["低音筚篥", "Bass_bi4_li"],
    "C0099": ["短箫", "duan3_xiao1"],
    "C0100": ["短箫(传统)", "duan3_xiao1_(traditional)"],
    "C0101": ["洞箫", "dong4_xiao1"],
    "C0113": ["尖子号", "jian1_zi3_hao4"],
    "C0114": ["尖子号2", "jian1_zi3_hao4_2"],
    "C0117": ["南音洞箫", "nan2_yin1_dong4_xiao1"],
    "C0123": ["南嗳仔", "nan2_ai1_zai3"],
    "C0124": ["大吹", "da4_chui1"],
    "C0182": ["长号", "chang2_hao4"],
    "C0183": ["老长号", "lao3_chang2_hao4"],
    "C0187": ["高音唢呐", "Treble_suo3_na"],
    "C0188": ["低音唢呐", "Bass_suo3_na"],
    "C0200": ["大芦笙", "da4_lu2_sheng1"],
    "C0201": ["小芦笙", "xiao3_lu2_sheng1"],
    "C0237": ["G调梆笛", "bang1_di2_in_G"],
    "C0243": ["高音键笙", "Treble_jian4_sheng1"],
    "C0244": ["传统笙", "traditional_sheng1"],
    "C0257": ["低音加键唢呐", "Bass_jia1_jian4_suo3_na"],
    "C0259": ["中音加键唢呐", "Alto_jia1_jian4_suo3_na"],
    "C0263": ["中音笙", "Alto_sheng1"],
    "C0264": ["低音笙", "Bass_sheng1"],
    "C0265": ["管子", "guan3_zi"],
    "C0280": ["A调曲笛", "qu3_di2_in_A"],
    "C0281": ["G调新笛", "xin1_di2_in_G"],
    "C0282": ["萧", "xiao1"],
    "C0283": ["埙", "xun1"],
    "C0296": ["唢呐2", "suo3_na_2"],
    "C0303": ["小闷笛", "xiao3_men1_di2"],
    "C0304": ["侗笛", "dong4_di2"],
    "C0305": ["德", "de2"],
    "C0306": ["拉祜族葫芦笙", "la1_hu2_zu2_hu2_lu2_sheng1"],
    "C0308": ["吐良", "tu3_liang2"],
    "C0309": ["葫芦丝", "hu2_lu2_si1"],
    "C0310": ["F调巴乌", "ba1_wu1_in_F"],
    "C0311": ["俄比", "e2_bi3"],
    "C0316": ["侗巴", "dong4_ba1"],
    "D0015": ["扬琴", "yang2_qin2"],
    "D0048": ["低音大锣", "Bass_da4_luo2"],
    "D0049": ["虎音锣", "hu3_yin1_luo2"],
    "D0050": ["小钹", "xiao3_bo1"],
    "D0051": ["钹", "bo1"],
    "D0058": ["提手(板)", "ti2_shou3_(ban3)"],
    "D0060": ["川小锣", "chuan1_xiao3_luo2"],
    "D0061": ["大铛铛", "da4_cheng1_cheng1"],
    "D0062": ["小铛铛", "xiao3_cheng1_cheng1"],
    "D0063": ["二馨", "er4_xin1"],
    "D0064": ["川大钵", "chuan1_da4_bo1"],
    "D0065": ["苏钵", "su1_bo1"],
    "D0066": ["川剧堂鼓", "chuan1_ju4_tang2_gu3"],
    "D0067": ["川铰", "chuan1_jiao3"],
    "D0068": ["川大锣", "chuan1_da4_luo2"],
    "D0069": ["蛮锣", "man2_luo2"],
    "D0070": ["包锣", "bao1_luo2"],
    "D0071": ["引鼓", "yin3_gu3"],
    "D0102": ["上杖鼓", "shang4_zhang4_gu3"],
    "D0103": ["小锣", "xiao3_luo2"],
    "D0104": ["圆锣", "yuan2_luo2"],
    "D0105": ["杖鼓", "zhang4_gu3"],
    "D0125": ["南鼓", "nan2_gu3"],
    "D0126": ["压脚鼓", "ya1_jiao3_gu3"],
    "D0127": ["钟", "zhong1"],
    "D0128": ["草锣", "cao3_luo2"],
    "D0129": ["锣仔", "luo2_zai3"],
    "D0130": ["响盏", "xiang3_zhan3"],
    "D0131": ["小叫", "xiao3_jiao4"],
    "D0132": ["拍", "pai1"],
    "D0137": ["渔鼓", "yu2_gu3"],
    "D0138": ["简板", "jian3_ban3"],
    "D0140": ["脚梆子", "jiao3_bang1_zi"],
    "D0143": ["双铃", "shuang1_ling2"],
    "D0144": ["小叫锣", "xiao3_jiao4_luo2"],
    "D0145": ["拍板", "pai1_ban3"],
    "D0146": ["四宝", "si4_bao3"],
    "D0147": ["响盏2", "xiang3_zhan3_2"],
    "D0172": ["碗碗", "wan3_wan3"],
    "D0173": ["代子", "dai4_zi"],
    "D0176": ["福(新)", "fu2_(reformed)"],
    "D0177": ["禄(新)", "lu4_(reformed)"],
    "D0178": ["寿(新)", "shou4_(reformed)"],
    "D0179": ["宜春三星鼓福鼓老鼓", "yi2_chun1_san1_xing1_gu3_fu2_gu3_lao3_gu3"],
    "D0180": ["宜春三星鼓禄鼓老鼓", "yi2_chun1_san1_xing1_gu3_lu4_gu3_lao3_gu3"],
    "D0181": ["宜春三星鼓寿鼓老鼓", "yi2_chun1_san1_xing1_gu3_shou4_gu3_lao3_gu3"],
    "D0184": ["宜春三星鼓双铛", "yi2_chun1_san1_xing1_gu3_shuang1_ding1"],
    "D0185": ["宜春三星鼓单铛", "yi2_chun1_san1_xing1_gu3_dan1_ding1"],
    "D0186": ["宜春三星鼓镲", "yi2_chun1_san1_xing1_gu3_chao3"],
    "D0241": ["编钟", "bian1_zhong1"],
    "D0242": ["编磬", "bian1_qing4"],
    "D0245": ["南梆子", "nan2_bang1_zi"],
    "D0246": ["北梆子", "bei3_bang1_zi"],
    "D0247": ["碰铃", "peng4_ling2"],
    "D0248": ["中国大鼓", "Chinese_da4_gu3"],
    "D0249": ["花盆鼓", "hua1_pen2_gu3"],
    "D0250": ["小堂鼓", "xiao3_tang2_gu3"],
    "D0251": ["扁鼓", "bian3_gu3"],
    "D0252": ["五音排鼓", "wu3_yin1_pai2_gu3"],
    "D0268": ["草帽镲", "cao3_mao4_chao3"],
    "D0269": ["铙", "nao2"],
    "D0270": ["铙钹", "nao2_bo1"],
    "D0271": ["小镲", "xiao3_chao3"],
    "D0272": ["抄锣", "chao1_luo2"],
    "D0273": ["中虎", "zhong1_hu3"],
    "D0274": ["武锣", "wu3_luo2"],
    "D0275": ["小锣2", "xiao3_luo2_2"],
    "D0276": ["马锣", "ma3_luo2"],
    "D0277": ["木鱼", "mu4_yu2"],
    "D0278": ["板鼓", "ban3_gu3"],
    "D0279": ["云锣", "yun2_luo2"],
    "D0284": ["斗锣", "dou3_luo2"],
    "D0286": ["曲锣", "qu3_luo2"],
    "D0287": ["深波", "shen1_bo1"],
    "D0290": ["大镲", "da4_chao3"],
    "D0298": ["编铓", "bian1_zhang1"],
    "D0299": ["牛铃", "niu2_ling2"],
    "D0315": ["竹排琴", "zhu2_pai2_qin2"],
    "D0325": ["那格拉", "na4_ge2_la1"],
    "D0326": ["库休克", "ku4_xiu1_ke4"],
    "D0327": ["萨巴依", "sa4_ba1_yi1"],
    "D0328": ["手鼓", "shou3_gu3"],
    "L0044": ["锡剧主胡", "xi1_ju4_zhu3_hu2"],
    "L0045": ["扬剧主胡", "yang2_ju4_zhu3_hu2"],
    "L0046": ["扬剧主胡F调", "yang2_ju4_zhu3_hu2_in_F"],
    "L0047": ["扬剧主胡(小西皮)", "yang2_ju4_zhu3_hu2_(xiao3_xi1_pi2)"],
    "L0053": ["广西彩调主胡", "guang3_xi1_cai3_diao4_zhu3_hu2"],
    "L0055": ["牛腿琴", "niu2_tui3_qin2"],
    "L0056": ["壮剧马骨胡D调", "zhuang4_ju4_ma3_gu3_hu2_in_D"],
    "L0072": ["盖板(新)D调", "gai4_ban3_(reformed)_in_D"],
    "L0073": ["盖板(传统)", "gai4_ban3_(traditional)"],
    "L0074": ["壮剧土胡", "zhuang4_ju4_tu3_hu2"],
    "L0075": ["晋剧晋胡", "jin4_ju4_jin4_hu2"],
    "L0076": ["壮剧土胡2", "zhuang4_ju4_tu3_hu2_2"],
    "L0077": ["晋剧二股弦", "jin4_ju4_er4_gu3_xian2"],
    "L0080": ["吕剧坠琴", "lv3_ju4_zhui4_qin2"],
    "L0084": ["奚琴(传统)", "xi1_qin2_(traditional)"],
    "L0085": ["奚琴(改良)", "xi1_qin2_(reformed)"],
    "L0086": ["中音奚琴(改良)", "Alto_xi1_qin2_(reformed)"],
    "L0115": ["莱芜梆子-梆胡", "lai2_wu2_bang1_zi-bang1_hu2"],
    "L0121": ["六角弦", "liu4_jiao3_xian2"],
    "L0122": ["壳仔弦", "ke2_zai3_xian2"],
    "L0133": ["陇剧陇胡(传统)", "long3_ju4_long3_hu2_(traditional)"],
    "L0134": ["陇剧陇胡(改良)D调", "long3_ju4_long3_hu2_(reformed)_in_D"],
    "L0135": ["齐琴", "qi2_qin2"],
    "L0136": ["渔胡", "yu2_hu2"],
    "L0139": ["坠胡", "zhui4_hu2"],
    "L0141": ["越胡", "yue4_hu2"],
    "L0148": ["板胡", "ban3_hu2"],
    "L0149": ["绍剧板胡", "shao4_ju4_ban3_hu2"],
    "L0150": ["宛梆子梆胡", "yuan1_bang1_zi_bang1_hu2"],
    "L0151": ["四弦", "si4_xian2"],
    "L0152": ["滇葫(小二胡)", "dian1_hu2_(xiao3_er4_hu2)"],
    "L0153": ["云南花灯丝弦", "yun2_nan2_hua1_deng1_si1_xian2"],
    "L0154": ["仕胡", "shi4_hu2"],
    "L0155": ["伬胡", "chi4_hu2"],
    "L0156": ["工胡", "gong1_hu2"],
    "L0157": ["大胡", "da4_hu2"],
    "L0158": ["低音伬胡", "Bass_chi4_hu2"],
    "L0160": ["丝弦", "si1_xian2"],
    "L0161": ["滇胡", "dian1_hu2"],
    "L0162": ["襄阳专用胡琴", "xiang1_yang2_zhuan1_yong4_hu2_qin2"],
    "L0163": ["雷胡", "lei2_hu2"],
    "L0164": ["赣胡", "gan4_hu2"],
    "L0165": ["高腔赣胡", "gao1_qiang1_gan4_hu2"],
    "L0166": ["高腔赣胡第2代", "gao1_qiang1_gan4_hu2_2nd_generation"],
    "L0167": ["黔胡", "qian2_hu2"],
    "L0168": ["花胡", "hua1_hu2"],
    "L0169": ["花胡2", "hua1_hu2_2"],
    "L0170": ["二股弦", "er4_gu3_xian2"],
    "L0239": ["高音板胡", "Treble_ban3_hu2"],
    "L0240": ["中音板胡", "Alto_ban3_hu2"],
    "L0256": ["雷琴", "lei2_qin2"],
    "L0266": ["二胡", "er4_hu2"],
    "L0285": ["二弦", "er4_xian2"],
    "L0288": ["椰胡", "ye1_hu2"],
    "L0291": ["扁八角高胡", "bian3_ba1_jiao3_gao1_hu2"],
    "L0292": ["六角高胡", "liu4_jiao3_gao1_hu2"],
    "L0297": ["中胡", "zhong1_hu2"],
    "L0307": ["芦笙", "lu2_sheng1"],
    "L0312": ["牛角胡", "niu2_jiao3_hu2"],
    "L0313": ["佤族独弦琴", "wa3_zu2_du2_xian2_qin2"],
    "L0314": ["葫芦琴", "hu2_lu2_qin2"],
    "T0006": ["陶布舒尔", "tao2_bu4_shu1_er3"],
    "T0007": ["雅托嘎", "ya3_tuo1_ga2"],
    "T0078": ["四股弦", "si4_gu3_xian2"],
    "T0081": ["玄琴", "xuan2_qin2"],
    "T0082": ["伽倻琴(改良)", "jia1_ye2_qin2_(reformed)"],
    "T0083": ["伽倻琴", "jia1_ye2_qin2"],
    "T0087": ["雅筝", "ya3_zheng1"],
    "T0088": ["扬琴2", "yang2_qin2_2"],
    "T0089": ["扬琴3", "yang2_qin2_3"],
    "T0111": ["三弦", "san1_xian2"],
    "T0116": ["八角月琴", "ba1_jiao3_yue4_qin2"],
    "T0159": ["双清", "shuang1_qing1"],
    "T0171": ["月琴", "yue4_qin2"],
    "T0238": ["大阮", "da4_ruan3"],
    "T0254": ["箜篌", "kong1_hou2"],
    "T0255": ["古筝", "gu3_zheng1"],
    "T0260": ["中阮", "zhong1_ruan3"],
    "T0261": ["柳琴", "liu3_qin2"],
    "T0262": ["琵琶", "pi2_pa2"],
    "T0267": ["扬琴4", "yang2_qin2_4"],
    "T0289": ["三弦2", "san1_xian2_2"],
    "T0294": ["南音琵琶", "nan2_yin1_pi2_pa2"],
    "T0295": ["南音三弦", "nan2_yin1_san1_xian2"],
    "T0300": ["澜沧小三弦", "lan2_cang1_xiao3_san1_xian2"],
    "T0301": ["玎", "ding1"],
    "T0302": ["傈傈族奇奔", "li4_li4_zu2_qi2_ben1"],
    "T0317": ["独弦琴", "du2_xian2_qin2"],
    "T0318": ["弹拨尔", "dan4_bo1_er3"],
    "T0319": ["低音热瓦普", "Bass_re4_wa3_pu3"],
    "T0320": ["民间热瓦普", "folk_re4_wa3_pu3"],
    "T0323": ["都它尔", "du1_ta1_er3"],
}

_URLS = {
    "audio": f"{_DOMAIN}/audio.zip",
    "mel": f"{_DOMAIN}/mel.zip",
}


class CTIS(datasets.GeneratorBasedBuilder):
    def _info(self):
        return datasets.DatasetInfo(
            features=datasets.Features(
                {
                    "audio": datasets.Audio(sampling_rate=44100),
                    "mel": datasets.Image(),
                    "label": datasets.features.ClassLabel(names=list(_NAMES.keys())),
                    "cname": datasets.Value("string"),
                    "pinyin": datasets.Value("string"),
                }
            ),
            supervised_keys=("audio", "label"),
            homepage=_HOMEPAGE,
            license="CC-BY-NC-ND",
            version="1.2.0",
            task_templates=[
                AudioClassification(
                    task="audio-classification",
                    audio_column="audio",
                    label_column="label",
                )
            ],
        )

    def _str2md5(self, original_string: str):
        md5_obj = hashlib.md5()
        md5_obj.update(original_string.encode("utf-8"))
        return md5_obj.hexdigest()

    def _split_generators(self, dl_manager):
        audio_files = dl_manager.download_and_extract(_URLS["audio"])
        mel_files = dl_manager.download_and_extract(_URLS["mel"])
        files = {}
        for fpath in dl_manager.iter_files([audio_files]):
            fname: str = os.path.basename(fpath)
            label = os.path.basename(os.path.dirname(fpath))
            if fname.endswith(".wav") and label in _NAMES and not "采访" in fname:
                cls = os.path.basename(os.path.dirname(fpath)) + "/"
                item_id = self._str2md5(cls + fname.split(".wa")[0])
                files[item_id] = {"audio": fpath, "label": label}

        for fpath in dl_manager.iter_files([mel_files]):
            fname = os.path.basename(fpath)
            label = os.path.basename(os.path.dirname(fpath))
            if fname.endswith(".jpg") and label in _NAMES:
                cls = os.path.basename(os.path.dirname(fpath)) + "/"
                item_id = self._str2md5(cls + fname.split(".jp")[0])
                files[item_id]["mel"] = fpath

        dataset = list(files.values())
        random.shuffle(dataset)
        return [
            datasets.SplitGenerator(
                name=datasets.Split.TRAIN,
                gen_kwargs={"files": dataset},
            ),
        ]

    def _generate_examples(self, files):
        for i, item in enumerate(files):
            yield i, {
                "audio": item["audio"],
                "mel": item["mel"],
                "label": item["label"],
                "cname": _NAMES[item["label"]][0],
                "pinyin": _NAMES[item["label"]][1],
            }