126 lines
4.1 KiB
Python
126 lines
4.1 KiB
Python
"""集合 下载歌词 以及 获取歌曲信息 的功能"""
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import os
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from json import loads
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from requests import post
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from requests.exceptions import ConnectionError
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from time import sleep
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def wait_retry():
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print("api提示操作频繁，等待恢复...")
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while True:
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try:
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tmp = post(f"http://music.163.com/api/song/detail/?&ids=[1]")
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except ConnectionError:
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return "dl_err_connection"
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else:
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if loads(tmp.text)["code"] == 200:
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return "continue"
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sleep(1)
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def get_song_info_raw(types: list, id: str):
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"""获取歌曲信息
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types 提供一个list,将会返回内部所有符合要求的信息类型\n
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id 提供一个歌曲id(str),将会把歌曲的`types`信息返回"""
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print("id:%s" % id)
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try:
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response = post(f"http://music.163.com/api/song/detail/?&ids=[{id}]")
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except ConnectionError:
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return "dl_err_connection"
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else:
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info = loads(response.text)
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if info["code"] == 406: # 判断当操作频繁时，继续获取，直到可以返回值为200为止
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result = wait_retry()
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if result == "continue":
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pass
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elif result == "dl_err_connection":
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return "dl_err_connection"
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else:
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raise Exception("Unknown exception...")
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if not info.get("songs"): # 判断是否存在该歌曲
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print("这首歌没有找到，跳过...")
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return "song_nf"
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else:
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need = {}
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for i in types: # 通过传入的变量 types 获取信息(根据返回的信息分析得到的下面这句语句)
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need.setdefault(i, info["songs"][0][i])
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return need
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def get_song_lyric(id: str | int | dict, path: str, allinfo: bool = False):
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"""获取歌词
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``id`` 提供一个歌曲id
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``path`` 提供歌曲下载的路径
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``allinfo`` 若此项为 True ,则提供的id格式必须为 {"id": int | str, "name": str, "artists": [[str, ...], ...]} (dict)"""
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if allinfo:
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sinfo = id
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id = id["id"]
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else:
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sinfo = get_song_info_raw(["name", "artists"], id)
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if sinfo == "dl_err_connection": # 处理各式各样的事件
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return "dl_err_connection"
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elif sinfo == "song_nf":
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return "song_nf"
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# 整理歌曲数据，获取歌词
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artists = ""
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if allinfo:
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for i in sinfo["artists"]:
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artists += f"{i[0]},"
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else:
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for i in sinfo["artists"]:
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artists += f"{i['name']},"
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artists = artists[:-1]
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name = sinfo["name"]
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if not name:
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print("歌曲错误!这是网易云的问题,请不要找作者")
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return "song_err"
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replaces = { # 处理非法字符所用的替换字典(根据网易云下载的文件分析得到)
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"|": "｜",
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":": "：",
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"<": "＜",
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">": "＞",
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"?": "？",
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"/": "／",
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"\\": "＼",
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"*": "＊",
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'"': "＂"
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}
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for k, v in replaces.items():
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name = name.replace(k, v)
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artists = artists.replace(k, v)
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print(f"歌曲:{name} - {artists}")
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filename = f"{name} - {artists}.lrc"
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try:
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response = post(f"http://music.163.com/api/song/media?id={id}")
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except ConnectionError:
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return "dl_err_connection"
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else:
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info = loads(response.text)
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if info["code"] == 406: # 此处与上方一样，防止因为请求限制而跳过下载
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result = wait_retry()
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if result == "continue":
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pass
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elif result == "dl_err_connection":
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return "dl_err_connection"
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else:
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raise Exception("Unknown exception...")
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tmp = loads(response.text)
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if tmp.get("nolyric") or not tmp.get('lyric'):
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print("这首歌没有歌词，跳过...")
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return
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else:
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with open(os.path.join(path, filename), "w", encoding="utf-8") as f:
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f.write(tmp["lyric"])
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print(f"歌词下载完成!被保存在{os.path.join(path, filename)}")
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return
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