flask vs Nginx upload, server code

t.py

import sys
import os
import traceback
import hashlib

from flask import Flask, request, redirect, jsonify, abort

app = Flask(__name__)
_HERE = os.path.dirname(os.path.abspath(__file__))


def save_and_getmd5(stream, dst, buffer_size=16384):
    md5 = hashlib.md5()
    with open(dst, "wb") as dst:
        while 1:
            buf = stream.read(buffer_size)
            if not buf:
                break
            dst.write(buf)
            md5.update(buf)
    return md5.hexdigest()

@app.route("/upload", methods=["POST"])
def nginxupload():
    return jsonify({"done":True, "md5": request.form["fileobj.md5"]})



@app.route("/pyupload", methods=["POST"])
def myupload():
    try:
        f = request.files["fileobj"]
        targetPath = os.path.join(_HERE, "MarketX")
        if not os.path.exists(targetPath):
            os.makedirs(targetPath)
        md5val = save_and_getmd5(f, os.path.join(targetPath, f.filename))
        f.close()
        return jsonify({"done":True, "md5": md5val})
    except:
        traceback.print_exc()
    return jsonify({"done":False})



if __name__ == "__main__":
    '''
    gunicorn -k gevent -b 0.0.0.0:8222 -w 5 t:app
    '''
    workingPort = sys.argv[1]
    app.run(host="0.0.0.0", port=int(workingPort), debug=False)