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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 cherrypy
class GeneratorDemo:
def header(self):
return "<html><body><h2>Generators rule!</h2>"
def footer(self):
return "</body></html>"
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()
index.exposed = True
cherrypy.root = GeneratorDemo()
if __name__ == '__main__':
cherrypy.config.update(file = 'tutorial.conf')
cherrypy.server.start()
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