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我正在创建一个脚本,它采用艺术家的数据框,将它们传递给 Spotify API 并返回一些额外的信息。我正在努力解决如何最好地将艺术家的数据框迭代地传递给调用 Spotify 的函数。

我有两个功能:

artists = grabArtists()

它返回一个艺术家列表,例如:

0                                      Gas
1                                   System
3                       Finlay Shakespeare
4                         Boards Of Canada
6    Delia Derbyshire Appreciation Society

然后我有功能抓取 Spotify 艺术家数据......

def grabSpotifyData(searchQ):

# ERASE CACHE AND PROMPT FOR USER PERMISSION
client_credentials_manager = SpotifyClientCredentials()
sp = spotipy.Spotify(client_credentials_manager=client_credentials_manager)

# SEARCH FOR AN ARTIST
searchQuery = searchQ
search = sp.search(searchQuery, 1, 0, "artist")

artist = search['artists']['items'][0]

genres = artist['genres']
image = artist['images'][0]['url']
pop = artist['popularity']
followers = artist['followers']['total']

return genres, image, pop, followers

我可以使用以下内容非常简单地获取单个结果的数据框。我怎样才能使这个迭代,以便它循环通过艺术家列表并附加关于艺术家的上下文?

artists = grabArtists()[0]
result = grabSpotifyData(artists)
df = pd.DataFrame([(artists), (result[0]), (result[1]), (result[2]), 
(result[3])])
df = df.T

它应该返回一个数据框,其中的列是:Artist、Genres、Images、Popularity、Followers。

提前致谢!

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2 回答 2

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我认为您可以将艺术家作为列表迭代地传递给 api:

df = []
for artist in artists:
    result = grabSpotifyData(artist)
    d0 = pd.DataFrame([(artists), (result[0]), (result[1]), (result[2], (result[3])])
    df.append(d0)

df = pd.concat(df, axis=1)
于 2018-12-01T18:51:53.247 回答
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df = pd.DataFrame()

for artist in artists:
    try:
        results = grabSpotifyData(artist)
    except IndexError:
        pass
    df = df.append(results)

df = pd.DataFrame(df)
df = df.reset_index()
于 2018-12-03T15:32:58.040 回答