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Direktori : /opt/saltstack/salt/lib/python3.10/site-packages/cherrypy/tutorial/

Current File : //opt/saltstack/salt/lib/python3.10/site-packages/cherrypy/tutorial/tut08_generators_and_yield.py

"""
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)

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