初始发布: 21 个 skills (Claude Code / Codex / DSH)
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#!/usr/bin/env python3
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"""MiniMax 音乐生成 CLI（Python 3 标准库，无需安装依赖）。
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用法示例：
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# 带唱
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python3 generate.py "独立民谣，忧郁内省，木吉他+弦乐" -l @lyrics.txt
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# 纯音乐
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python3 generate.py "中世纪奇幻大地图，鲁特琴+竖琴，无鼓" --instrumental
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# 自动作词
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python3 generate.py "抒情流行，夏夜告别" --auto-lyrics
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# 翻唱
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python3 generate.py "" --cover ref.mp3 -l "[Verse]\n新歌词..."
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"""
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import argparse, base64, json, os, sys, time, urllib.request, urllib.error
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API_URL = "https://api.minimaxi.com/v1/music_generation"
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HERE = os.path.dirname(os.path.abspath(__file__))
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PAID = {"music-3.0", "music-2.6", "music-cover"}
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FREE = {"music-3.0-free", "music-2.6-free", "music-cover-free"}
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MODELS = sorted(PAID | FREE)
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# base_resp.status_code -> 人话
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ERRORS = {
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1002: "触发限流（付费模型 RPM 120，free 模型 RPM 3）。等一会儿再试，别并发。",
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1004: "鉴权失败：API Key 无效。检查 MINIMAX_API_KEY 或 key.txt。",
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1008: "账户余额不足，去控制台充值。",
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1026: "命中敏感内容审核，改一下 prompt 或歌词。",
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2013: "参数不合法（看 status_msg 里的具体字段）。",
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2049: "API Key 格式不对。",
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}
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def load_key():
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k = os.environ.get("MINIMAX_API_KEY", "").strip()
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if k:
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return k
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p = os.path.join(HERE, "key.txt")
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if os.path.exists(p):
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k = open(p).read().strip()
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if k:
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return k
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sys.exit("没有 API Key。设置环境变量 MINIMAX_API_KEY，或写入 %s" % p)
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def read_maybe_file(v):
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"""支持 @path 从文件读取。"""
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if v and v.startswith("@"):
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return open(os.path.expanduser(v[1:]), encoding="utf-8").read()
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return v
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def main():
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ap = argparse.ArgumentParser(description="MiniMax 音乐生成")
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ap.add_argument("prompt", nargs="?", default="",
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help="曲风/情绪/场景描述，<=2000 字。纯音乐时必填")
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ap.add_argument("-l", "--lyrics", default="",
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help="歌词，<=3500 字，用 \\n 分行；支持 @文件路径。带唱时必填")
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ap.add_argument("--instrumental", action="store_true", help="生成纯音乐（无人声）")
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ap.add_argument("--auto-lyrics", action="store_true",
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help="让模型按 prompt 自动作词（lyrics_optimizer）")
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ap.add_argument("--cover", default="",
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help="翻唱参考音频：本地文件路径 或 http(s) URL（6s-6min，<=50MB）")
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ap.add_argument("--cover-feature-id", default="",
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help="翻唱预处理接口拿到的 feature_id（24 小时有效）")
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ap.add_argument("-m", "--model", default="music-3.0", choices=MODELS)
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ap.add_argument("--free", action="store_true",
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help="改用对应的 -free 免费模型（RPM 3，不计费）")
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ap.add_argument("-o", "--output", default="", help="输出路径，默认按时间戳命名")
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ap.add_argument("--sample-rate", type=int, default=44100,
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choices=[16000, 24000, 32000, 44100])
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ap.add_argument("--bitrate", type=int, default=256000,
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choices=[32000, 64000, 128000, 256000])
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ap.add_argument("--format", default="mp3", choices=["mp3", "wav", "pcm"])
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ap.add_argument("--watermark", action="store_true", help="加 AIGC 水印")
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ap.add_argument("--hex", action="store_true",
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help="用 hex 返回而非 url（url 链接 24 小时过期）")
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ap.add_argument("--json", action="store_true", help="打印完整 JSON 返回")
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a = ap.parse_args()
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model = a.model
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if a.free and not model.endswith("-free"):
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model += "-free"
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lyrics = read_maybe_file(a.lyrics)
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is_cover = bool(a.cover or a.cover_feature_id)
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if is_cover and not model.startswith("music-cover"):
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model = "music-cover-free" if model.endswith("-free") else "music-cover"
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# ---- 本地前置校验：省得白花钱 ----
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if a.cover and a.cover_feature_id:
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sys.exit("--cover 和 --cover-feature-id 互斥，只能给一个")
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if a.instrumental and not a.prompt.strip():
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sys.exit("纯音乐模式下 prompt 必填（要靠它定曲风和配器）")
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if not a.instrumental and not is_cover and not a.auto_lyrics and not lyrics.strip():
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sys.exit("带唱模式下 lyrics 必填。要么给 -l，要么加 --instrumental，"
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"要么加 --auto-lyrics 让模型自己写")
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if a.cover_feature_id and not (10 <= len(lyrics.strip()) <= 1000):
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sys.exit("带 feature_id 的翻唱要求歌词 10-1000 字，当前 %d 字" % len(lyrics.strip()))
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if len(a.prompt) > 2000:
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sys.exit("prompt 超长：%d > 2000 字" % len(a.prompt))
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if len(lyrics) > 3500:
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sys.exit("lyrics 超长：%d > 3500 字" % len(lyrics))
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body = {
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"model": model,
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"output_format": "hex" if a.hex else "url",
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"audio_setting": {"sample_rate": a.sample_rate, "bitrate": a.bitrate,
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"format": a.format},
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}
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if a.prompt.strip():
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body["prompt"] = a.prompt
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if lyrics.strip():
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body["lyrics"] = lyrics
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if a.instrumental:
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body["is_instrumental"] = True
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if a.auto_lyrics:
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body["lyrics_optimizer"] = True
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if a.watermark:
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body["aigc_watermark"] = True
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if a.cover:
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if a.cover.startswith("http"):
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body["audio_url"] = a.cover
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else:
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with open(os.path.expanduser(a.cover), "rb") as f:
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body["audio_base64"] = base64.b64encode(f.read()).decode()
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if a.cover_feature_id:
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body["cover_feature_id"] = a.cover_feature_id
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cost = "免费" if model.endswith("-free") else "¥1.0"
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print("模型 %s（%s）· 提交中…" % (model, cost), flush=True)
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req = urllib.request.Request(
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API_URL, data=json.dumps(body, ensure_ascii=False).encode("utf-8"),
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headers={"Authorization": "Bearer " + load_key(),
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"Content-Type": "application/json"}, method="POST")
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t = time.time()
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try:
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r = json.loads(urllib.request.urlopen(req, timeout=600).read().decode("utf-8"))
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except urllib.error.HTTPError as e:
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sys.exit("HTTP %d %s" % (e.code, e.read().decode("utf-8", "replace")))
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except urllib.error.URLError as e:
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sys.exit("网络错误：%s" % e)
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if a.json:
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print(json.dumps(r, ensure_ascii=False, indent=2))
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# HTTP 200 不代表成功，一律看 base_resp.status_code
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base = r.get("base_resp") or {}
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code = base.get("status_code")
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if code != 0:
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sys.exit("生成失败 %s: %s\n%s" % (code, base.get("status_msg"),
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ERRORS.get(code, "")))
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info = r.get("extra_info") or {}
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dur = info.get("music_duration", 0) / 1000.0
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print("成功 · 时长 %.1fs · %s Hz · %s 声道 · %s bps · 耗时 %.0fs"
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% (dur, info.get("music_sample_rate"), info.get("music_channel"),
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info.get("bitrate"), time.time() - t), flush=True)
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audio = (r.get("data") or {}).get("audio")
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if not audio:
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sys.exit("返回里没有音频数据")
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out = a.output or "minimax-music-%s.%s" % (time.strftime("%Y%m%d-%H%M%S"), a.format)
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out = os.path.expanduser(out)
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d = os.path.dirname(os.path.abspath(out))
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if d:
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os.makedirs(d, exist_ok=True)
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if audio.startswith("http"):
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urllib.request.urlretrieve(audio, out)
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else:
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with open(out, "wb") as f:
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f.write(bytes.fromhex(audio))
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print("已保存: %s (%.1f MB)" % (out, os.path.getsize(out) / 1e6))
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if __name__ == "__main__":
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main()
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