install webapp2 on Linux outside google app engine.

Reference: https://webapp-improved.appspot.com/tutorials/quickstart.nogae.html

Step 1: install pip

Step 2:

$ pip install WebOb
$ pip install Paste
$ pip install webapp2

Step 3:

write a main.py

import webapp2

class HelloWebapp2(webapp2.RequestHandler):
    def get(self):
        self.response.write('Hello, webapp2!')

app = webapp2.WSGIApplication([
    ('/', HelloWebapp2),
], debug=True)

def main():
    from paste import httpserver
    httpserver.serve(app, host='127.0.0.1', port='')

if __name__ == '__main__':
    main()

Step 4:

Run

$ python main.py