[英]Add cache-control to my python app in Flask
我正在對我的網站進行一些測試。 我的應用程序是使用燒瓶開發的,我想在下面的函數中添加 cach-control "max-age=3600":
from flask import Flask, jsonify, abort
from waitress import serve
import pandas as pd
from time import time as t
from load_data.connexion_to_blob import connexion_to_blob
from load_data.load_recos import load_recos
# CONFIG FILE
import configparser
config = configparser.ConfigParser()
config.read('config.ini')
# CHARGE DATA FROM BLOB
mode = 'blob'
blob_service_client = connexion_to_blob("AZURE_STORAGE_CONNECTION_STRING")
load_recos(blob_service_client, langue='fr', mode='blob')
# LOAD DATA IN APP
recos_fr_file = config['PATH']['recos_fr_file']
recos_fr = pd.read_pickle(recos_fr_file)
recos_dict = {'fr': recos_fr}
app = Flask(__name__)
@app.route('/<langue>/<program_id>/<top>')
def get_reco(langue, program_id, top=10):
t_all = t()
top = int(top)
if program_id not in list(recos_dict[langue].keys()):
abort(404, description="programId not found")
else:
recos_list = recos_dict[langue][program_id][:top]
json_output = {
"data": [
{"programId": programId}
for programId in recos_list
]
}
print("temps exec total: ", (t() - t_all))
print('---------------------------------')
return jsonify(json_output)
if __name__ == '__main__':
serve(app, host='X.X.X.X', port=XX, threads=8)
我已經檢查了一些文檔,我的問題是這應該在什么級別完成? 謝謝你。
我們可以使用以下方法添加緩存控制:
@app.after_request
def apply_caching(response):
response.headers['Cache-Control'] = 'public, max-age=3600,stale-while-revalidate=600, stale-if-error=259200'
return response
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