flask-note/README.org at 02066bc93e77b699e7f41846010e829026b5e304

andros/flask-note

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Andros Fenollosa 02066bc93e Update README.org

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PyConES16: Flask-note (Clone of Evernote with Flask and Markdown)
- DEMO
- Install
  - Flask
  - SQLite
    - OS X
    - Ubuntu
  - Flask_sqlalchemy
- Create Flask
- Create Database
- Future resource

PyConES16: Flask-note (Clone of Evernote with Flask and Markdown)

DEMO

/andros/flask-note/media/commit/02066bc93e77b699e7f41846010e829026b5e304/sketching/target.jpg

Install

Flask

mkdir flask-note
cd flask-note
pip install virtualenv
virtualenv ENV
source ENV/bin/activate
pip install Flask
pip install markdown

SQLite

OS X

brew install sqlite

Ubuntu

sudo apt-get update
sudo apt-get install sqlite3 libsqlite3-dev

Flask_sqlalchemy

pip install flask_sqlalchemy

Create Flask

Create app.py

from flask import Flask
from functools import wraps
app = Flask(__name__)

def login_required(f):
    @wraps(f)
    def decorated_function(*args, **kwargs):
        if 'user_id' not in session:
            session.clear()
            return redirect(url_for('index'))
        return f(*args, **kwargs)
    return decorated_function

@app.route('/')
def hello():
    return 'Hello PyConES!'

if __name__ == "__main__":
    app.run()

python app.py

Open in your browser

http://127.0.0.1:5000/

Create Database

Create database.py

from flask import Flask
from flask_sqlalchemy import SQLAlchemy

app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///database.sqlite'
db = SQLAlchemy(app)


class User(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    email = db.Column(db.String(100), unique=True)
    password = db.Column(db.String(32))

    def __init__(self, email, password):
        self.email = email
        self.password = password

    def __repr__(self):
        return '<User {email}>'.format(email=self.email)


class Note(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    title = db.Column(db.String(100), unique=True)
    text = db.Column(db.Text())
    user_id = db.Column(db.Integer)

    def __init__(self, title, text, user_id):
        self.title = title
        self.text = text
        self.user_id = user_id

    def __repr__(self):
        return '<Note {title}>'.format(title=self.title)

python
from database import db
db.create_all()
exit()
sqlite3 database.sqlite

INSERT INTO user VALUES (NULL, 'py@con.es', '2016');
.exit

Future resource

master.html

<!doctype html>
<html lang="en">
  <head>
    <meta charset="UTF-8"/>
    <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"/>
    <link href="https://bootswatch.com/flatly/bootstrap.min.css" rel="stylesheet">
    <title>Flask-note</title>
  </head>
  <body>
    <div class="container">
      <div class="page-header">
        <h1 class="text-center">
          <small>Flask-note</small>
        </h1>
      </div>
      <div class="row">
        {% block contain %}
        {% endblock %}
      </div>
    </div>
  </body>
</html>

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