test program of flask

fileserver.py

import sys
from flask import Flask,request,render_template, g, flash, send_from_directory
import datetime
import locale
from sqlite3 import dbapi2 as sqlite3
from werkzeug import secure_filename

DATABASE = "./tmp/fileserver.db"
TMP_FOLDER = "./tmp/"
app = Flask(__name__)
app.config.from_object(__name__)
app.config.from_envvar('FLASKR_SETTINGS', silent=True)


def connect_db():
    return sqlite3.connect(app.config['DATABASE'])


@app.before_request
def before_request():
    """Make sure we are connected to the database each request."""
    g.db = connect_db()


@app.after_request
def after_request(response):
    """Closes the database again at the end of the request."""
    g.db.close()
    return response


@app.route("/")
def show():
    return render_template('post_form.html',a="1")


@app.route("/list")
def list():
    cur = g.db.execute('select filename, filepath from entries order by id desc')
    entries = [dict(filename=row[0], filepath=row[1]) for row in cur.fetchall()]
    return render_template('show_list.html', entries=entries)


@app.route('/add', methods=['GET', 'POST'])
def upload():
    if request.method == 'POST':
        # get post data and save
        #print request.form["label"]
        #print "upload"
        filename = request.form["label"]
        filedata = request.form['upfile']
        d = datetime.datetime.today()

        timestamp = d.strftime("%Y%m%d%H%M%S")
        print timestamp
        filename = "./tmp/"+timestamp+secure_filename(filename)
        f=open(filename, "w")
        f.write(filedata.encode("utf-8"))
        f.close()

        g.db.execute('insert into entries (filename, filepath) values (?, ?)',
                 [request.form['label'], filename])
        g.db.commit()
        #flash('New entry was successfully posted')
        return filedata


@app.route('/tmp/<filename>')
def uploaded_file(filename):
    return send_from_directory(app.config['TMP_FOLDER'],filename)


if __name__ == "__main__":
    if len(sys.argv) >= 2 and sys.argv[1] == 'debug':
        print("starting debug mode")
        app.run(host='0.0.0.0', debug=True)
    else:
        app.run(host='0.0.0.0')

init.sql

drop table if exists entries;
create table entries (
  id integer primary key autoincrement,
  filename string not null,
  filepath string not null
);