python - 使用 Spotipy 从 Python 中的打印中获取特定行
问题描述
我正在用 Python 和 Spotipy 编写一些代码,而且我对编码还比较陌生。我有一些代码可以获取有关 Spotify 播放列表的所有信息并为我打印出来:
from spotipy.oauth2 import SpotifyClientCredentials
import spotipy
import json
client_credentials_manager = SpotifyClientCredentials()
sp = spotipy.Spotify(client_credentials_manager=client_credentials_manager)
playlist_id = 'spotify:playlist:76CVeJDw2b90up5PgkZXyU'
results = sp.playlist(playlist_id)
#print(json.dumps(results, indent=4))
print((json.dumps(results, indent=4)))
它运作良好,并为我提供了所有信息。我的问题是我只需要打印中的细节:
"collaborative": false,
"description": "",
"external_urls": {
"spotify": "https://open.spotify.com/playlist/76CVeJDw2b90up5PgkZXyU"
},
"followers": {
"href": null,
"total": 0
},
"href": "https://api.spotify.com/v1/playlists/76CVeJDw2b90up5PgkZXyU?additional_types=track",
"id": "76CVeJDw2b90up5PgkZXyU",
"images": [
{
"height": 640,
"url": "https://i.scdn.co/image/ab67616d0000b2734a052b99c042dc15f933145b",
"width": 640
}
],
"name": "TEST",
"owner": {
"display_name": "Name",
"external_urls": {
"spotify": "https://open.spotify.com/user/myname"
},
"href": "https://api.spotify.com/v1/users/myname",
"id": "Myname",
"type": "user",
"uri": "spotify:user:kovizsombor"
},
"primary_color": null,
"public": true,
"snapshot_id": "MixmMGE0MDgxNDQ1ZGVlNmE4MThiMmQwODMwYWU0OTI3YzkyOGJhOWIz",
"tracks": {
"href": "https://api.spotify.com/v1/playlists/76CVeJDw2b90up5PgkZXyU/tracks?offset=0&limit=100&additional_types=track",
"items": [
{
"added_at": "2020-05-17T10:00:11Z",
"added_by": {
"external_urls": {
"spotify": "https://open.spotify.com/user/kovizsombor"
},
"href": "https://api.spotify.com/v1/users/kovizsombor",
"id": "kovizsombor",
"type": "user",
"uri": "spotify:user:kovizsombor"
},
"is_local": false,
"primary_color": null,
"track": {
"album": {
"album_type": "album",
"artists": [
{
"external_urls": {
"spotify": "https://open.spotify.com/artist/0PFtn5NtBbbUNbU9EAmIWF"
},
"href": "https://api.spotify.com/v1/artists/0PFtn5NtBbbUNbU9EAmIWF",
"id": "0PFtn5NtBbbUNbU9EAmIWF",
"name": "TOTO",
"type": "artist",
"uri": "spotify:artist:0PFtn5NtBbbUNbU9EAmIWF"
}
],
],
"external_urls": {
"spotify": "https://open.spotify.com/album/62U7xIHcID94o20Of5ea4D"
},
"href": "https://api.spotify.com/v1/albums/62U7xIHcID94o20Of5ea4D",
"id": "62U7xIHcID94o20Of5ea4D",
"images": [
{
"height": 640,
"url": "https://i.scdn.co/image/ab67616d0000b2734a052b99c042dc15f933145b",
"width": 640
},
{
"height": 300,
"url": "https://i.scdn.co/image/ab67616d00001e024a052b99c042dc15f933145b",
"width": 300
},
{
"height": 64,
"url": "https://i.scdn.co/image/ab67616d000048514a052b99c042dc15f933145b",
"width": 64
}
],
"name": "Toto IV",
"release_date": "1982-04-08",
"release_date_precision": "day",
"total_tracks": 10,
"type": "album",
"uri": "spotify:album:62U7xIHcID94o20Of5ea4D"
},
"artists": [
{
"external_urls": {
"spotify": "https://open.spotify.com/artist/0PFtn5NtBbbUNbU9EAmIWF"
},
"href": "https://api.spotify.com/v1/artists/0PFtn5NtBbbUNbU9EAmIWF",
"id": "0PFtn5NtBbbUNbU9EAmIWF",
"name": "TOTO",
"type": "artist",
"uri": "spotify:artist:0PFtn5NtBbbUNbU9EAmIWF"
}
],
"available_markets": [
],
"disc_number": 1,
"duration_ms": 295893,
"episode": false,
"explicit": false,
"external_ids": {
"isrc": "USSM19801941"
},
"external_urls": {
"spotify": "https://open.spotify.com/track/2374M0fQpWi3dLnB54qaLX"
},
"href": "https://api.spotify.com/v1/tracks/2374M0fQpWi3dLnB54qaLX",
"id": "2374M0fQpWi3dLnB54qaLX",
"is_local": false,
"name": "Africa",
"popularity": 83,
"preview_url": "https://p.scdn.co/mp3-preview/dd78dafe31bb98f230372c038a126b8808f9349b?cid=d568e7073a38465bba48268ea9f10153",
"track": true,
"track_number": 10,
"type": "track",
"uri": "spotify:track:2374M0fQpWi3dLnB54qaLX"
},
"video_thumbnail": {
"url": null
}
}
],
"limit": 100,
"next": null,
"offset": 0,
"previous": null,
"total": 1
},
"type": "playlist",
"uri": "spotify:playlist:76CVeJDw2b90up5PgkZXyU"
}
从这个长打印中,我需要以某种方式提取艺术家和歌曲标题,并最好将其变成一个变量。如果播放列表中有多首歌曲,也不确定这将如何工作。
如果我可以只打印出艺术家和歌曲的标题而不打印出所有信息,这也是一个解决方案。
解决方案
sp.playlist
返回一个字典,因此您可以通过它们的键简单地访问它的值。例如:
>>> results['name']
'TEST'
JSON 是一种数据序列化格式,即将对象表示为纯文本并从文本中解析回来的标准化方式。json.dumps
因此将字典对象转换为文本字符串。例如,如果您想将结果保存到文件中并稍后将其加载回来,这将非常有用。您不需要它来访问来自results
.
(不过,这是一个播放列表——您需要获取每首歌曲/曲目的信息以获取其艺术家和名称。)
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