annotate examples/tutorial/geddit/lib/template.py @ 615:0dc152d128f5

GenshiTutorial: make URLs dynamic so that the app could theoretically be mounted on some other SCRIPT_NAME.
author cmlenz
date Wed, 29 Aug 2007 20:12:54 +0000
parents 16b1be35c265
children dba522b4c31d
rev   line source
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1 import os
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2
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3 import cherrypy
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4 from genshi.core import Stream
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5 from genshi.output import encode, get_serializer
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6 from genshi.template import Context, TemplateLoader
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7
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8 loader = TemplateLoader(
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9 os.path.join(os.path.dirname(__file__), '..', 'templates'),
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10 auto_reload=True
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11 )
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12
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13 def output(filename, method='html', encoding='utf-8', **options):
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14 """Decorator for exposed methods to specify what template the should use
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15 for rendering, and which serialization method and options should be
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16 applied.
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17 """
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18 def decorate(func):
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19 def wrapper(*args, **kwargs):
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20 cherrypy.thread_data.template = loader.load(filename)
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21 if method == 'html':
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22 options.setdefault('doctype', 'html')
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23 serializer = get_serializer(method, **options)
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24 stream = func(*args, **kwargs)
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25 if not isinstance(stream, Stream):
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26 return stream
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27 return encode(serializer(stream), method=serializer,
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28 encoding=encoding)
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29 return wrapper
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30 return decorate
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31
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32 def render(*args, **kwargs):
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33 """Function to render the given data to the template specified via the
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34 ``@output`` decorator.
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35 """
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36 if args:
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37 assert len(args) == 1, \
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38 'Expected exactly one argument, but got %r' % (args,)
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39 template = loader.load(args[0])
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40 else:
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41 template = cherrypy.thread_data.template
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42 ctxt = Context(url=cherrypy.url)
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43 ctxt.push(kwargs)
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44 return template.generate(ctxt)
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