Spotifyの再生ボタンのドキュメントでは、プレイリストの最大長を 1000 トラックと指定しています。1000を超えるトラックを無視するように見えます:
プレイリストの制限: どのプレイリストでも最初の 1000 トラックのみを表示します。
しかし、nginx 埋め込み Spotify サーバーが応答する前に、その制限に近づくことさえできません。
Request-URI Too Large
たとえば、374 トラックのプレイリストがありますが、再生ボタンを埋め込もうとすると、Spotify サーバーでエラーが発生します。stackoverflow ではembed.spotify.com へのリンクが許可されないため、完全な URL (データとすべて) は次のとおりです。
http://embed.spotify.com/?uri=spotify:trackset:PartysenseTest:2Foc5Q5nqNiosCNqttzHof,0r2Bul2NuCViraT2zX1l5j,4Li2WHPkuyCdtmokzW2007,5eK3EGtSzTz9eEcPFwE37E,4pWLh2rpIwawP5ExSwvV1V,1oHxIPqJyvAYHy0PVrDU98,6RcQOut9fWL6FSqeIr5M1r,27L8sESb3KR79asDUBu8nW,7Gkphzdh5ouurEt7JT49Yu,5ChkMS8OtdzJeqyybCc9R5,0TDLuuLlV54CkRRUOahJb4,1JP779IkUMANQVaPGzc6Ld,1oF75Qbv8UvOBm1imUAE51,61S6wtjY80a6vHxP3JHSgE,717TY4sfgKQm4kFbYQIzgo,5XwcYDVIxO36IyTa5eelc1,36482hNESSwELpr9sS3NbE,24V2HxXY0yM0lpcpSBYnUU,0nHQAxZgzAcKGRxAsOISTc,4TZZvblv2yzLIBk2JwJ6Un,1kjvBYbo5SgzDVn42c1SuF,5G2c6FsfTzgYUzageCmfXY,6UIwfaQh9RP2anZ5OMQPfX,2W5acFzXf5FrktecuD30Or,5IVuqXILoxVWvWEPm82Jxr,2RUFzxyUlI36KKy9Agkqze,784ExV5zkRPOeIWi8pZhXw,5Z7ygHQo02SUrFmcgpwsKW,2cMTIlktg3M9mXYqCPqw1J,3ZFTkvIE7kyPt6Nu3PEa7V,0OaunKfsxkgBvPv68jBbmm,0nmxH6IsSQVT1YEsCB9UMi,3IYhyHOkfl5YcUoRl5kKUP,5XJJdNPkwmbUwE79gv0NxK,1fn6EFBBNiDVhL3DxDDJTD,1cHa7GjYbLCK9z3lWN1rVC,1CRFWfZEfLCs7pYDlXFYMJ,5jRDHEemZKcEWSfZDjmAjq,3FteycP8CaXS1MhjcXekVT,2ENx9vLmbagrc0yDY1j0BN,7oQSevUCbYs4QawXTHQVV1,3bidbhpOYeV4knp8AIu8Xn,3r2EtAEybamz9jJm8W47lA,0aj2QKJvz6CePykmlTApiD,4Tyv7nnNTHC6mR1pTubIrw,4ZOyH6KjomjlqCz3oFqglr,07dYGGSrzPeg6a3KZjWX65,2rgqPSIRAfaO2MGo9smdSX,0OJtYfqiz0Xn53o2TnySQC,4DoiEk7AaubTkIkYencvx7,5T9Kx7b2NrZdHiEshXdDrK,5YPMEOJ58kfl56VHxTgwx3,1V4jC0vJ5525lEF1bFgPX2,666elemQTQGi8xbjAAdIgB,5qPmR4nG3nNAECAN5JxrEV,0vEN1H3ySpduTY5Etmlznn,0CAfXk7DXMnon4gLudAp7J,7oK9VyNzrYvRFo7nQEYkWN,0fuP0ykgrDSxk5odNU7Gy2,0XzkemXSiXJa7VgDFPfU4S,1Je1IMUlBXcx1Fz0WE7oPT,7HqIvbMMdI6QvAnCACvn6F,3MjUtNVVq3C8Fn0MP3zhXa,6c4w7qJd1gTmr90spDfUyM,0Yo8GhK9HEaeIZetPARrW9,1WGvP3bZ5rp9CiQZNiNjXc,0SLtqCrXBRrnkxSOMA3X4W,56fwHfJaBpaauvFJrnwk2L,7BHPGtpuuWWsvE7cCaMuEU,0Ny4yM9JFFuCUZ497ouxKe,2ijsITOdUkUeF8EW7OfYBr,0k5fY8c9fwMdnE1nSlp0Rw,5y8WWi1BaKHXfuln0XoIZs,2XDdHuoRmBeOaBIOSclj2k,46iI0binWzpkEJgIWTYUBR,2bNrvWD9d5Zn9tS8XvcaMk,6wwAaPoX7Ce81Rn85Ntm89,0R7YVi7w41Dr9jU5vblAok,0CRJioCflddFvP2SLKZRyS,3Zuf70897YkrVRAsrBMMSF,541dIJFHxpeCMVWydZ5Lzw,2Cd9iWfcOpGDHLz6tVA3G4,0RJWhctsc1G1Hg3Ov2th7x,0dQQWHlXvuw4UyHcAvhfhB,5TXNLJ2EENAt3Tf9MX4kT2,23aiLB7EO71B4WrFYYzlAL,6EuArluBSbxlFs4vtQ3cYR,4WbNyQy4wVdfopMrApBWQA,5iaMh3rhscSYEdLGDmA2Cd,0MTW23wOFcSscAOcTqShye,6cskzfZWgrgd8hv74fHd9o,4hy4fb5D1KL50b3sng9cjw,28p3b7gryOjhe5HAcNFWhJ,6t6oULCRS6hnI7rm0h5gwl,2GAIycsMaDVtMtdvxzR2xI,0f0lWRAs9kdAFZu8mAI9K2,0Ph6L4l8dYUuXFmb71Ajnd,4DEmKidTANibjgv2XLVk2L,05SBRd4fXgn8FX7bf8BCAE,7hMqIrwysNlIXRmFCIn5j3,57PjISfyOyDcvTPipz16nf,0teP3TUc015sRFqUaeyfh8,0gZp88SA5OcujHLDGkxtI3,7FZh3I56BkVHpodjxAJcIL,47uhrF6IvyE2eUyyfLAEzf,5zdUc1JRCImBYcDWgvFNpE,5R9a4t5t5O0IsznsrKPVro,6kopmMZiyLmw7h66uXcXR7,0S7zL7ae0KpOSPKeFQpHo8,70cTMpcgWMcR18t9MRJFjB,4KCjaHCQMIyi0x1sTTQV2j,1D066zixBwqFYqBhKgdPzp,32yIEFS62uS5ryhr2Xlooj,7kMfu3KUydmrFVGEAhjtyl,3VZQshi4COChhXaz7cLP02,7B1Dl3tXqySkB8OPEwVvSu,1YUYuJKfRQOd5c4qp4xqpL,4efOmCxdddbbzKGlb9iAok,2DHc2e5bBn4UzY0ENVFrUl,0ltBH1JNzSvQJPjJpvTu9B,7xV6oF0LMnrXKEs6JrWQXf,0xcl9XT60Siji6CSG4y6nb,0FRelX0g1nNDFt6nvtiakE,6BCNGfQacMqawqzK5Iaqrr,1sn6iOK93jnp0Hn5BnNOXy,03AIRTc1MIGDa4Lpnp0pqP,7w87IxuO7BDcJ3YUqCyMTT,4HRa9ZWcmZ8JD7UySPu0wT,53jqLK3wUEy0gCucIOkno7,24efdUt3KGbZ6wnBLp6j2n,1wSFyAwUGqrLauh3MdjMsM,3BxWKCI06eQ5Od8TY2JBeA,1gZ7i4qxXkHZb1r6eioaAP,1lkC6oC7SbwgnEBEC05r64,6mnjcTmK8TewHfyOp3fC9C,5jaz6aiRknA63NIYWdbr2O,4srpHYFHKjVGRDNHqRpWxi,4P7VFiaZb3xrXoqGwZXC3J,36TBMtrW4x7bHW8LH8rnRr,4SphTMCxlllfYZMyny8BPO,1hKdDCpiI9mqz1jVHRKG0E,5619Ojc6t9evEEs3B7Drhe,6eFahAdQgABBj1XOM99cBG,2nMeu6UenVvwUktBCpLMK9,3GCL1PydwsLodcpv0Ll1ch,0nypsuS2jtogLaJDcRQ4Ya,3uuGbRzMsDI5RiKWKOjqWL,519uJbE3zyKLlToVA65PrP,5ssDVF6DwLv0z93CoxHgPZ,1EFbV1t25dXy9FhKN1OIqq,5pzSsipRTmu2tD9I3Nihxw,5ve0BYRZZ2aoHFqZMxqYgt,3X7abqSXC4xrxuC1ykpWcY,6jaHYV4no6PAbyo89bybrx,1MiXdrxHJGH2NzS11wqmvV,1GBknQ67DCfKTPms1dw9EW,2t0ZYmVXMR36fchq1Egs2d,6QPKYGnAW9QozVz2dSWqRg,1Q3KZbKwcY6d6IaOZwDzil,5unfeZUhKhICP73CDYBW4N,0laYHRpNTS6i8FXdupHkJ4,36RBVJLpBiiBakoMw9FmOV,5WTxbyWTpoqhdxEN2szOnl,3c6m2f4AV6IXbkiSOlSjuo,4cluDES4hQEUhmXj6TXkSo,1OmxpKVSvn0LGcM3SQS4OV,22sLuJYcvZOSoLLRYev1s5,14iN3o8ptQ8cFVZTEmyQRV,0IZM2onaTBMRTEIcc5oIi9,7Hv89f7Dpm5Hce1XkBbjQZ,4vVTI94F9uJ8lHNDWKv0i2,6RGvWCHTS6BC46TsMyN0WM,3VJSaH6uE1FXzlUOlpO9Mu,6nn59FOFejiDZbqcu1clyy,4bxI9ChxEjVVqtFZmWRrR4,5l6tv2lFylSdCgkWyfHC0P,305WCRhhS10XUcH6AEwZk6,0rXgKeO7DWMiXCmNDhkRdd,12qZHAeOyTf93YAWvGDTat,7eusnHDVdvqjUGAigj77XC,5FeuH4LtGxDWkSkhRG47QT,6l1naSGJiwFdVlg9H8g6w9,1xN7BpTAWnZkuSLOtRP6Qc,4c5ZzFEXngHlf1KRoaLH0Z,7s0lDK7y3XLmI7tcsRAbW0,4pGv2AFdSV6N2VwAaVciW0,3GC3xIxWImpR7dfv2F81ze,6nDC9ivU0g3mX29OFgynCc,76Je5Wklky23mVoxiRszcN,4xanWVQIzdCf51mg8cd1cQ,0ancVQ9wEcHVd0RrGICTE4,0q5xRODc3CcDS48dPaHjA7,6BLLQndvA0rLbLcIZmuuEJ,65mxB9IWpmVo4qUjdGSxRB,0gsLWzySRe81KoY4LENNY4,3khUMqi9iGgOpgReFwjbZl,4WcCW10tnJCljX8Fhs0FdE,3aImJnJlAgcE7bJ1NxthGt,6vYznTXaytbE7r3aSfLZyb,1XduQVon3QYUTHrQJNKN7z,4k80K0b6KZ2QjAYkXON7q6,7bprRkhvOXWmWpqOrEWbXu,12lZTPlXwUtrQuhEty6098,5FQazQxWUHsJ8QDaXLdFzR,6aJmDsQaB3KDTJWVc4cCbI,3jNyatJv1JxuIlwKoYlo7Y,5JzF2iymNwCyFz9MTmojd0,15HadeuRG9THazDGzLH8ZU,1C2CPvmL5R6nODesaZF4df,20BpvfS6lIbi083TyPePMn,175MNUY1aNnGCFfCyNZz2m,45MR4PKygkmQvHovjBBOla,1lDWb6b6ieDQ2xT7ewTC3G,1DDsYldutVWnRrRbZc5X5B,5vlEg2fT4cFWAqU5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これを回避する既知の方法はありますか?たとえば、情報を Spotify サーバーに POST して (パブリック) プレイリストを作成することはできますか?
Web API を介してプレイリストを管理できますか? libspotify を使用してプレイリストを作成するサーバー ベースのプログラムを作成することは選択肢になりますか?