fs-quiz-tool/db/app.py

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from flask import Flask, request, Response
import json
import string
import random
import atexit
app = Flask(__name__)
filename = 'db.json'
id_length = 32
data = {}
def startup():
global data
try:
fd = open(filename)
data = json.load(fd)
except FileNotFoundError:
pass
@app.after_request
def add_headers(response):
response.headers['Access-Control-Allow-Origin'] = '*'
response.headers['Access-Control-Allow-Methods'] = 'GET, POST, OPTIONS'
return response
@app.route('/<id>', methods = ['GET'])
def get(id):
if id in data:
return data[id]
else:
return 'Error: Not found', 404
def generateRandomString():
return ''.join(random.choice(string.ascii_letters + string.digits) for _ in range(id_length))
@app.route('/', methods = ['POST'])
def post():
id = generateRandomString()
data[id] = request.data.decode('UTF-8')
return id, 201
def dumpDB():
if len(data) == 0:
return
fd = open(filename, 'w+')
try:
json.dump(data, fd)
finally:
fd.close()
startup()
atexit.register(dumpDB)
if __name__ == "__main__":
app.run(host='0.0.0.0')