mnist_app.py

from flask import Flask, render_template, url_for, request
import os
import requests
import cv2 as cv

app = Flask(__name__)

eas_url = "<EAS service URL>"
token = "EAS service token"

@app.route('/')
def index():
	uploaded = False
	return render_template("index.html", uploaded=uploaded)

@app.route('/', methods=["POST"])
def upload_and_predict():
	uploaded = True

	# Create directory to hold uploaded images
	target = "static/img"
	if not os.path.isdir(target):
		os.mkdir(target)

	# Save uploaded image
	file = request.files.get("file")
	filename = file.filename
	filepath = "/".join([target, filename])
	file.save(filepath)

	# Set the request data and parameters
	img = cv.imread(filepath, 1)
	_, img_encoded = cv.imencode('.jpg', img)
	body = img_encoded.tostring()
	headers = { 'Authorization' : token }

	# Send request to EAS
	response = requests.post(eas_url, data=body, headers=headers)

	return render_template("index.html", uploaded=uploaded, imgpath=filepath, prediction=response.text)


if __name__ == "__main__":
	app.run(port=5000, debug=False)