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Viewing changes to ivle/webapp/base/xhtml.py

  • Committer: William Grant
  • Date: 2010-02-25 01:35:21 UTC
  • Revision ID: grantw@unimelb.edu.au-20100225013521-yctd13gmq14wa3tm
https://launchpad.net/bugs/527499
Use a single (XHTMLView._loader, a class (not instance) variable) genshi TemplateLoader, so we can cache parsed templates.

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ivle/webapp/base/xhtml.py
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    template = 'template.html'
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    allow_overlays = True
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    breadcrumb_text = None
 
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    _loader = None
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    def __init__(self, *args, **kwargs):
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        super(XHTMLView, self).__init__(*args, **kwargs)
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        # We use a single loader for all views, so we can cache the
 
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        # parsed templates. auto_reload is convenient and has a minimal
 
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        # performance penalty, so we'll leave it on.
 
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        if self.__class__._loader is None:
 
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            self.__class__._loader = genshi.template.TemplateLoader(
 
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                ".", auto_reload=True,
 
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                max_cache_size=100)
 
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        self.overlay_blacklist = []
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        self.plugin_scripts = {}
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        # view.
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        app_template = os.path.join(os.path.dirname(
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                        inspect.getmodule(self).__file__), self.template) 
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        loader = genshi.template.TemplateLoader(".", auto_reload=True)
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        tmpl = loader.load(app_template)
 
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        tmpl = self._loader.load(app_template)
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        app = self.filter(tmpl.generate(viewctx), viewctx)
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        view_scripts = []
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            ctx['breadcrumbs'].extend(self.extra_breadcrumbs)
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        self.populate_headings(req, ctx)
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        tmpl = loader.load(os.path.join(os.path.dirname(__file__), 
 
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        tmpl = self._loader.load(os.path.join(os.path.dirname(__file__), 
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                                                        'ivle-headings.html'))
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        req.write(tmpl.generate(ctx).render('xhtml', doctype='xhtml'))
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