tut08_generators_and_yield.py

Revision 567 (checked in by mikerobi, 3 years ago)	The second session filte was removed and the tutorials are renumberd. The sessionFitler no longer has any way to support multiple named sessions

Line
1	"""
2	Bonus Tutorial: Using generators to return result bodies
3
4	Instead of returning a complete result string, you can use the yield
5	statement to return one result part after another. This may be convenient
6	in situations where using a template package like CherryPy or Cheetah
7	would be overkill, and messy string concatenation too uncool. ;-)
8	"""
9
10	import cherrypy
11
12
13	class GeneratorDemo:
14
15	def header(self):
16	return "<html><body><h2>Generators rule!</h2>"
17
18	def footer(self):
19	return "</body></html>"
20
21	def index(self):
22	# Let's make up a list of users for presentation purposes
23	users = ['Remi', 'Carlos', 'Hendrik', 'Lorenzo Lamas']
24
25	# Every yield line adds one part to the total result body.
26	yield self.header()
27	yield "<h3>List of users:</h3>"
28
29	for user in users:
30	yield "%s<br/>" % user
31
32	yield self.footer()
33	index.exposed = True
34
35	cherrypy.root = GeneratorDemo()
36
37
38	if __name__ == '__main__':
39	cherrypy.config.update(file = 'tutorial.conf')
40	cherrypy.server.start()
41

Note: See TracBrowser for help on using the browser.