Julio López Montalvo
Web Developer. Javascript & Ruby lover. Passionate about new technologies, I enjoy code, travel, share and learn more everyday.
GOogle app
engine
WHY gae?
PaaS by Google
Run applications by Google Infrastructure
Easy to Build
Easy to Maintain
Easy to Scale
GAE includes some frameworks
Download the GAE SDK for Python
https://developers.google.com/appengine/downloads
create your app
https://appengine.google.com/
configuration file
app.yaml
application: projectid
version: 1
runtime: python27
api_version: 1
threadsafe: true
handlers:
- url: /.*
script: helloworld.application 
Hello world with webapp2
import webapp2
class MainPage(webapp2.RequestHandler):
def get(self):
self.response.write('Hello, World!')
application = webapp2.WSGIApplication([
('/', MainPage),
], debug=True)
http://webapp-improved.appspot.com/
COMmANDS
Development environment:
dev_appserver.py --port=9999 myapp
https://developers.google.com/appengine/docs/python/tools/devserver
Upload your app:
appcfg.py update myapp
https://developers.google.com/appengine/docs/python/tools/uploadinganapp
Windows and mac launcher!
demo users from api
from google.appengine.api import users
import webapp2
class MainPage(webapp2.RequestHandler):
def get(self):
user = users.get_current_user()
if user:
self.response.headers['Content-Type'] = 'text/plain'
self.response.write('Hello, ' + user.nickname())
else:
self.redirect(users.create_login_url(self.request.uri))
application = webapp2.WSGIApplication([
('/', MainPage),
], debug=True)
https://developers.google.com/appengine/docs/python/users/
DEMO
HANDLING FORMS
DEMO
DATA STORE
demo templates
and static files
making django app
It's one of the most popular frameworks
And it's supported by GAE
Skeleton Project
https://github.com/TheBlasfem/django-GAE/
Full documentation
https://developers.google.com/appengine/docs/python/cloud-sql/django
modify app.yaml
CloudSQL
Google Cloud SQL is a MySQL database that lives in Google's cloud
Easy to use, doesn't require any software installation or maintenance
Create the instance of CloudSQL in https://console.developers.google.com/
You can use Mysql Clients
mysql -h IPAddress -uroot -p
create database namedb;
config the database in settings.py
DATABASES = {
'default': {
'ENGINE': 'google.appengine.ext.django.backends.rdbms',
'INSTANCE': 'your-app-id:your-instance',
'NAME': 'namedb',
'USER': 'root',
}
} Ensure that the django and google packages would be found when running manage.py
export PYTHONPATH="$PYTHONPATH:/home/user/google_appengine:
/home/user/google_appengine/lib/django_1_5"
easy way? django-developer
pip install django-developer
http://appsembler.com/blog/deploy-django-apps-to-google-app-engine-with-django-deployer-in-5-minutes/
https://developers.google.com/products/
http://www.meetup.com/gdgopenlima/
https://github.com/TheBlasfem/getting-started-GAE-Python
THANKS
Google App Engine con Python
By Julio López Montalvo
