Google app engine

Google App Engine
An intro to Google App Engine
By K.Gautam

Before we start

Just Joking
Please feel Free to ask any doubts regarding the Topic at hand

Topics
What is App Engine ?
Why App Engine ?
Special Features.
Getting Started.
The Local Server & Environment
Projects and Db Support
A Practical Example

What is ?
Google's deepest secrets as a service .
In cloud computing terms it is
Platform as a service
Competition to
Amazon Web Services
Microsoft's Azure Services Platform
In simple terms it is just another Web application Platform

Why ?
“Focus on your app, leave the rest to Google”
Free for basic development
Automatic Scalability
Google's infrastructure
Familiar technologies

Special Features
Google Infrastructure
Sandbox Environment
The Data store and Blob Store
Persistent Connection API (Channel API)
Image Manipulation API
Email API
URL Fetch API
Google Accounts API (Users API) and Oauth API
Google Talk API (XMPP API)
And a few other “Too boring to mention here ” APIs

Before we go any further
A show of Hands please , How many Snake People Here ?

Getting Started
Download the SDK from
http://code.google.com/appengine/downloads.html
The SDK contains
A web server (dev_appserver.py)
A multipurpose configurator and uploader (appcfg.py)

The Local Dev Server
dev_appserver.py, the development web server simulates the App Engine Environment .
It Contains a local version of
The datastore
Google Accounts
App engine's ability to fetch URLs
App engine's ability to send email

Python Environment
The SDK works with Python 2.5 and above .
But the SDK is not Compatible with Python 3
Pure Python Environment
No support for C extensions
Any WSGI compatible web application framework can be used
Django 0.96 is inbuilt

An Project
App.
Static
Scripts
App Framework

Database Support
Big table
NoSql / Non relational database
Datastore API
Sql like GQL

A Practical Example
Lets Build a really Simple Blog.
App Engine APIs to use
Users API
Data store API
Templates
The blog has to
Display Blog Posts
Allow the user to add posts

Any Questions ?

Google app engine

by Gautam Kumar on Jun 30, 2011

Accessibility

Categories

Tags

Upload Details

Usage Rights

Statistics

Google app engine — Presentation Transcript