Creating websites using Python and TurboGears

Swaroop C H


Yahoo! Bangalore


www.SwaroopCH.info

What is TurboGears?

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Parts of TurboGears

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How it all fits

How it all fits
Image courtesy of Kevin Dangoor
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Introduction to SQLObject

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Example of SQLObject



from sqlobject import *


db = connectionForURI('sqlite:///tmp/test.db?debug=1')
sqlhub.processConnection = db


class Article(SQLObject):
    title = StringCol(length=50)
    body = StringCol()


Article.createTable(ifNotExists=True)
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SQLObject objects



a = Article(title='Hello World', body='Some stuff here')
print a


a.body = 'New stuff here'
print a
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SQLObject selects


# select
hello_articles = Article.select(
    Article.q.title.startswith('Hello'))
for article in hello_articles:
    print article.title, article.body



# selectBy
hello_world_article = Article.selectBy(title='Hello World')
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Kid

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Kid Example

<?xml version="1.0"?>
<?python
import datetime
now = datetime.datetime.now()
?>
<html xmlns:py="http://purl.org/kid/ns#">
<head>
    <title>Welcome to foss.in/2005</title>
</head>
<body>
    <h1>foss.in/2005</h1>
    <p>
    The time is now ${now}
    </p>
</body>
</html>
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CherryPy

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CherryPy example



import cherrypy



class HelloWorld:
    def index(self):
        return 'Hello World'
    index.exposed = True



cherrypy.root = HelloWorld()
cherrypy.server.start()
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TurboGears Quickstart

TurboGears steps

  1. Edit model.py for class Post
  2. Edit dev.cfg
  3. Run `tg-admin sql create`
  4. Edit controllers.py
  5. Change master.kid for header and footer
  6. Change welcome.kid or create a new one for other views
  7. Done!
Full demo here to show creating a project, adding functionality and displaying a (semi-)working blog engine.
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Toolbox

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Where to start?

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Resources



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Questions?



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