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Install Google App Engine on Ubuntu 12.10

01.30.2013
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Google App Engine  is currently on version 1.7.4 and Ubuntu has recently released Ubuntu 12.10 (Quantal Quetzal). Quantal Quetzal comes with Python 2.7 installed, and App Engine has been providing that version of Python as an option since February 2012. So if you are starting a new App Engine project, it's probably a good time to move to Python 2.7.

I'll explain briefly how you start a new project and there's a nice clean copy of the code at the bottom that you can cut and paste.

Let's get the show on the road. Choose a name for the project and create and switch to a virtual environment:
PROJ=gae_project
mkvirtualenv ${PROJ}
cdvirtualenv

Note that note that "--no-site-packages" and "--distribute" are now the defaults for mkvirtualenv. You don't even need to use "--python=python2.7" on Ubuntu 12.10.

Now we need to know what the latest version of App Engine is, but as of writing it's 1.7.4:
GAE=1.7.4
wget -O /tmp/gae.zip http://googleappengine.googlecode.com/files/google_appengine_${GAE}.zip
unzip /tmp/gae.zip
Now let's create an App Engine app. The app will need a name that has been created in the App Engine Console:
GAE_APP_NAME=dummy
mkdir -p gae_app/static
Now create the app.yaml file:
echo """application: ${GAE_APP_NAME}
version: development
runtime: python27
api_version: 1
threadsafe: true

default_expiration: 7d

handlers:
- url: /static
  static_dir: static
- url: .*
  script: wsgi_app.app
""" > gae_app/app.yaml
And finally the app itself:
echo """import webapp2

class MainPage(webapp2.RequestHandler):
  def get(self):
      self.response.headers['Content-Type'] = 'text/plain'
      self.response.out.write('Please replace me with a decent WSGI App Framework such as Flask')

app = webapp2.WSGIApplication([('/', MainPage)],
                              debug=True)
""" > gae_app/wsgi_app.py
And finally to run the development server:
python ./google_appengine/dev_appserver.py gae_app/
I hope that this has all been of some help to you. Did I miss anything? Please comment below.
PROJ=gae_project
mkvirtualenv ${PROJ}
cdvirtualenv
 
GAE=1.7.4
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
 
echo """application: ${GAE_APP_NAME}
version: development
runtime: python27
api_version: 1
threadsafe: true
 
default_expiration: 7d
 
handlers:
- url: /static
static_dir: static
- url: .*
script: wsgi_app.app
""" > gae_app/app.yaml
 
 
echo """import webapp2
 
class MainPage(webapp2.RequestHandler):
def get(self):
self.response.headers['Content-Type'] = 'text/plain'
self.response.out.write('Please replace me with a decent WSGI App Framework such as Flask')
 
app = webapp2.WSGIApplication([('/', MainPage)],
debug=True)
""" > gae_app/wsgi_app.py
 
python ./google_appengine/dev_appserver.py gae_app/
Published at DZone with permission of Col Wilson, author and DZone MVB. (source)

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