Small blog message board completed by python + flask + sqlite3, flasksqlite3

Source: Internet
Author: User

Small blog message board completed by python + flask + sqlite3, flasksqlite3

# all the importsfrom __future__ import with_statementfrom contextlib import closingimport sqlite3import timefrom flask import Flask, request, session, g, redirect, url_for, \     abort, render_template, flash# configurationDATABASE = 'E:/debug/python/flaskr/flaskr.db'DEBUG = TrueSECRET_KEY = 'development key'USERNAME = '1'PASSWORD = '1'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'])def init_db():    with closing(connect_db()) as db:        with app.open_resource('schema.sql') as f:            db.cursor().executescript(f.read())        db.commit()@app.before_requestdef before_request():    g.db = connect_db()@app.after_requestdef after_request(response):    g.db.close()    return response@app.route('/')def show_entries():    cur = g.db.execute('select title, text, time from entries order by id desc')    entries = [dict(title=row[0], text=row[1], time=row[2]) for row in cur.fetchall()]    return render_template('show_entries.html', entries=entries)@app.route('/add', methods=['POST'])def add_entry():    if not session.get('logged_in'):        abort(401)    g.db.execute('insert into entries (title, text, time) values (?, ?, ?)',                 [request.form['title'], request.form['text'],                  time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time()))])    g.db.commit()    flash('New entry was successfully posted')    return redirect(url_for('show_entries'))@app.route('/login', methods=['GET', 'POST'])def login():    error = None    if request.method == 'POST':        if request.form['username'] != app.config['USERNAME']:            error = 'Invalid username'        elif request.form['password'] != app.config['PASSWORD']:            error = 'Invalid password'        else:            session['logged_in'] = True            flash('You were logged in')            return redirect(url_for('show_entries'))    return render_template('login.html', error=error)@app.route('/logout')def logout():    session.pop('logged_in', None)    flash('You were logged out')    return redirect(url_for('show_entries'))if __name__ == '__main__':    app.run()

Copyright Disclaimer: This article is an original article by the blogger and cannot be reproduced without the permission of the blogger.

Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.