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47 lines
1.4 KiB
Python
47 lines
1.4 KiB
Python
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"""
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Bonus Tutorial: Using generators to return result bodies
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Instead of returning a complete result string, you can use the yield
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statement to return one result part after another. This may be convenient
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in situations where using a template package like CherryPy or Cheetah
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would be overkill, and messy string concatenation too uncool. ;-)
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"""
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import cherrypy
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class GeneratorDemo:
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def header(self):
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return "<html><body><h2>Generators rule!</h2>"
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def footer(self):
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return "</body></html>"
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def index(self):
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# Let's make up a list of users for presentation purposes
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users = ['Remi', 'Carlos', 'Hendrik', 'Lorenzo Lamas']
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# Every yield line adds one part to the total result body.
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yield self.header()
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yield "<h3>List of users:</h3>"
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for user in users:
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yield "%s<br/>" % user
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yield self.footer()
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index.exposed = True
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import os.path
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tutconf = os.path.join(os.path.dirname(__file__), 'tutorial.conf')
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if __name__ == '__main__':
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# CherryPy always starts with app.root when trying to map request URIs
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# to objects, so we need to mount a request handler root. A request
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# to '/' will be mapped to HelloWorld().index().
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cherrypy.quickstart(GeneratorDemo(), config=tutconf)
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else:
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# This branch is for the test suite; you can ignore it.
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cherrypy.tree.mount(GeneratorDemo(), config=tutconf)
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