colwilson

PROJ=py27_gae_project
mkvirtualenv --python=python2.7 ${PROJ}
cdvirtualenv

GAE=1.6.5
wget -O /tmp/gae.zip http://googleappengine.googlecode.com/files/google_appengine_${GAE}.zip
unzip /tmp/gae.zip

GAE_APP_NAME=dummy
mkdir -p gae_app/static

colwilson

{% block user %}
    {% if 'twitter_user' not in session %}
        <a href="/login">Sign in with Twitter</a>
    {% else %}
        <a href="/logout">Sign Out {{session['twitter_user']}}</a>
    {% endif %}
{% endblock %}

colwilson

pip install Flask-OAuth

colwilson

from flask import redirect, url_for, session, request, flash, Blueprint, current_app

simple = Blueprint('simple', __name__)

oauth = OAuth()
twitter = twitter_factory(oauth)


@simple.route('/login')
def login():

colwilson

@twitter.tokengetter
def get_twitter_oauth_token():
    return session.get('oauth_token')

colwilson

mkvirtualenv evo;
cdvirtualenv

# this installs flask, flask-script and everything you need
pip install Flask-Evolution 

touch myapp.py
touch manage.py

colwilson

# manage.py

from flaskext.script import Manager
from flask.ext.evolution import Evolution
from myapp import app

manager = Manager(app)
evolution = Evolution(app)

app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///test.db'

colwilson

# myapp.py

from flask import Flask
app = Flask(__name__)

@app.route("/")
def hello():
    return "Hello World!"

if __name__ == "__main__":

colwilson

# "python ./manage.py migrate init" does not create the "migrations" directory for me!
mkdir migrations

python ./manage.py migrate create 
Name for the migration: Post

Created new migration file: /mypath/migrations/0001_post.py

colwilson

import datetime
from flask import current_app
from flask.ext.evolution import BaseMigration
from flask.ext.sqlalchemy import SQLAlchemy

db = SQLAlchemy(current_app)
db.metadata.bind = db.engine