python flask redis

from flask import Flask, render_template, request, redirect, url_for, json, Response
import requests
from werkzeug.utils import secure_filename
import os
import redis
from flask_cors import CORS

app = Flask(__name__, template_folder='templates')


@app.route('/')
def index():
    return render_template('index.html')

@app.route('/pics_for')
def pics_for():
    return render_template('pics.html')

@app.route('/upload_for')
def upload_for():
    return render_template('upload.html')

@app.route('/find_pics')
def find_pics():
    r = redis.StrictRedis(host='xx.xx.xx.xx', port=6379, db=2, decode_responses=True)
    smembers = r.smembers("img_list")
    s = list(smembers)
    print(s)
    t = {}
    t['c'] = s
    return Response(json.dumps(t), mimetype='application/json')


@app.route('/upload', methods=['POST', 'GET'])
def upload():
    if request.method == 'POST':
        f = request.files['file']
        basepath = os.path.dirname(__file__)  # 当前文件所在路径
        upload_path = os.path.join(basepath, r'file\uploads', secure_filename(f.filename))  # 注意：没有的文件夹一定要先创建，不然会提示没有该路径
        f.save(upload_path)
        url_dis = "http://xx.xx.xx.xx:8080/zx_ocr_bl"
        files = {'image_file': open(upload_path, 'rb')}
        res = requests.post(url=url_dis, files=files)

        dumps = json.dumps(res.text, sort_keys=True, indent=2, ensure_ascii=False)
        return Response(dumps, mimetype='application/json')


if __name__ == '__main__':
    CORS(app, supports_credentials=True)
    app.run(debug=True, host='0.0.0.0', port=5000)