Project 675

Natal VenetzJohannes KrampfChristian GapanyBao Long Ngo Vuong

Summary• Demonstration• Cloud computing, GAE• Data store• Architecture• MVP• Backend communication• Collaborative development• OpenID• Testing with Selenium IDE

Frontend demonstration :• http://pyagenda21.appspot.com/

Cloud computing, Google App Engine (GAE)

Cloud computing, Google App Engine (GAE)

Cloud computing, Google App Engine (GAE)

Cloud computing, Google App Engine (GAE)

Data store

Data storeSELECT * FROM usr WHERE id > 500 ORDER BY id;

Id = 385Id = 501Id = 445

Id = 250Id = 525Id = 385

Id = 612Id = 185Id = 112

Data storeSELECT * FROM usr WHERE id > 500 ORDER BY id;

Id = 385Id = 501Id = 445

Id = 250Id = 525Id = 385

Id = 612Id = 185Id = 112

Id = 501 Id = 525 Id = 612

Data storeSELECT * FROM usr WHERE id > 500 ORDER BY id;

Id = 385Id = 501Id = 445

Id = 250Id = 612Id = 385

Id = 525Id = 185Id = 112

Id = 501 Id = 612 Id = 525

Id = 501Id = 525Id = 612

Architecture

MP

VM

Backend communication• Live demo: http://pyagenda21.appspot.com/demo

Model – View – Presenter (MVP)

V P

M

User interactionPass the call

Updates

ManipulatesFire events

• Advantages

V M

• Advantages

V P

M

FLOW

Collaborative developement : Mercurial• Like SVN but much better!• About 425 commits, 120 merges and only 2

manual merges

Server

Desktop

BaoJohannesNatal

Local repository

Working directory

Central repository

Server

Desktop

BaoJohannesNatal

Working directory

Central repository

Testing with Selenium IDE• Selenium IDE = Firefox extension• Functional tests• Save tests in HTML, Java scripts, Python scripts…

OpenID

5)

2)3)4)

1)

6)

7)8)Websites which

need ID services User

Provider ID

Questions