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"""
Bonus Tutorial: Using generators to return result bodies
Instead of returning a complete result string, you can use the yield
statement to return one result part after another. This may be convenient
in situations where using a template package like CherryPy or Cheetah
would be overkill, and messy string concatenation too uncool. ;-)
"""
import os.path
import cherrypy
class GeneratorDemo:
def header(self):
return '<html><body><h2>Generators rule!</h2>'
def footer(self):
return '</body></html>'
@cherrypy.expose
def index(self):
# Let's make up a list of users for presentation purposes
users = ['Remi', 'Carlos', 'Hendrik', 'Lorenzo Lamas']
# Every yield line adds one part to the total result body.
yield self.header()
yield '<h3>List of users:</h3>'
for user in users:
yield '%s<br/>' % user
yield self.footer()
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(GeneratorDemo(), config=tutconf)