bazarr/libs/cherrypy/tutorial/tut03_get_and_post.py

52 lines
1.5 KiB
Python

"""
Tutorial - Passing variables
This tutorial shows you how to pass GET/POST variables to methods.
"""
import os.path
import cherrypy
class WelcomePage:
@cherrypy.expose
def index(self):
# Ask for the user's name.
return '''
<form action="greetUser" method="GET">
What is your name?
<input type="text" name="name" />
<input type="submit" />
</form>'''
@cherrypy.expose
def greetUser(self, name=None):
# CherryPy passes all GET and POST variables as method parameters.
# It doesn't make a difference where the variables come from, how
# large their contents are, and so on.
#
# You can define default parameter values as usual. In this
# example, the "name" parameter defaults to None so we can check
# if a name was actually specified.
if name:
# Greet the user!
return "Hey %s, what's up?" % name
else:
if name is None:
# No name was specified
return 'Please enter your name <a href="./">here</a>.'
else:
return 'No, really, enter your name <a href="./">here</a>.'
tutconf = os.path.join(os.path.dirname(__file__), 'tutorial.conf')
if __name__ == '__main__':
# CherryPy always starts with app.root when trying to map request URIs
# to objects, so we need to mount a request handler root. A request
# to '/' will be mapped to HelloWorld().index().
cherrypy.quickstart(WelcomePage(), config=tutconf)