2
from flask import Flask, render_template, request
from sys import argv
import requests
import json
app = Flask(__name__)
def decrementList(words):
for w in [words] + [words[:-x] for x in range(1,len(words))]:
url = 'http://ws.spotify.com/search/1/track.json?q='
request = requests.get(url + "%20".join(w))
json_dict = json.loads(request.content)
track_title = ' '.join(w)
for track in json_dict["tracks"]:
if track["name"].lower() == track_title.lower() and track['href']:
return "http://open.spotify.com/track/" + track["href"][14:], words[len(w):]
return "Sorry, no more track matches found!"
@app.route('/')
def home():
message = request.args.get('q').split()
first_arg = ' '.join(message)
results = []
while message:
href, new_list = decrementList(message)
message = new_list
results.append(href)
return render_template('home.html', first_arg=first_arg, results=results)
if __name__ == '__main__':
app.run(debug=True)
在上面的代碼,當我運行這個程序瓶從我家裏功能得到一個錯誤AttributeError: 'NoneType' object has no attribute 'split
。當我刪除它時,我也在' '.join(message)
上發生錯誤。現在,當這兩個都被刪除我刷新頁面和代碼運行,但沒有正確的輸出。接下來,我添加了拆分並重新加入,並刷新了頁面,代碼完美無缺,就像沒有錯誤一樣。我怎樣才能得到這個正常運行,無需刪除,刷新和添加連接和拆分?瓶AttributeError的:「NoneType」對象有沒有屬性「分裂」
啊好感謝 – metersk