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)
在上面的代码,当我运行这个程序瓶从我家里功能得到一个错误AttributeError: 'NoneType' object has no attribute 'split
。当我删除它时,我也在' '.join(message)
上发生错误。现在,当这两个都被删除我刷新页面和代码运行,但没有正确的输出。接下来,我添加了拆分并重新加入,并刷新了页面,代码完美无缺,就像没有错误一样。我怎样才能得到这个正常运行,无需删除,刷新和添加连接和拆分?瓶AttributeError的:“NoneType”对象有没有属性“分裂”
啊好感谢 – metersk