Revision Log

05_derived_objects.py

Revision 102 (checked in by dpotter, 4 years ago)	add descriptive names to the tutorials

Line
1	"""
2	Tutorial 05 - Object inheritance
3
4	You are free to derive your request handler classes from any base
5	class you wish. In most real-world applications, you will probably
6	want to create a central base class used for all your pages, which takes
7	care of things like printing a common page header and footer.
8	"""
9
10	from cherrypy import cpg
11
12	class Page:
13	# Store the page title in a class attribute
14	title = 'Untitled Page'
15
16	def header(self):
17	return '''
18	<html>
19	<head>
20	<title>%s</title>
21	<head>
22	<body>
23	<h2>%s</h2>
24	''' % (self.title, self.title)
25
26	def footer(self):
27	return '''
28	</body>
29	</html>
30	'''
31
32	# Note that header and footer don't get their exposed attributes
33	# set to True. This isn't necessary since the user isn't supposed
34	# to call header or footer directly; instead, we'll call them from
35	# within the actually exposed handler methods defined in this
36	# class' subclasses.
37
38
39	class HomePage(Page):
40	# Different title for this page
41	title = 'Tutorial 5'
42
43	def __init__(self):
44	# create a subpage
45	self.another = AnotherPage()
46
47	def index(self):
48	# Note that we call the header and footer methods inherited
49	# from the Page class!
50	return self.header() + '''
51	<p>
52	Isn't this exciting? There's
53	<a href="./another/">another page</a>, too!
54	</p>
55	''' + self.footer()
56
57	index.exposed = True
58
59
60	class AnotherPage(Page):
61	title = 'Another Page'
62
63	def index(self):
64	return self.header() + '''
65	<p>
66	And this is the amazing second page!
67	</p>
68	''' + self.footer()
69
70	index.exposed = True
71
72
73	cpg.root = HomePage()
74
75	cpg.server.start(configFile = 'tutorial.conf')

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