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"TurboGears support for Zope Page Templates"
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from zope.pagetemplate.pagetemplatefile import PageTemplateFile
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log = logging.getLogger("turbogears.zptsupport")
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tinstance = _zpt_cache.get(tfile)
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tinstance = _zpt_cache[tfile] = TGPageTemplateFile(tfile)
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class TGPageTemplateFile(PageTemplateFile):
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def pt_getContext(self, args=(), options={}, **ignored):
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namespace = super(TGPageTemplateFile, self).pt_getContext(
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args, options, **ignored)
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namespace.update(options)
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class TurboZpt(object):
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def __init__(self, extra_vars_func=None):
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self.get_extra_vars = extra_vars_func
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def load_template(self, classname, loadingSite=False):
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"""Searches for a template along the Python path.
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Template files must end in ".pt" and be in legitimate packages.
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Templates are automatically checked for changes and reloaded as
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divider = classname.rfind(".")
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package = classname[0:divider]
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basename = classname[divider+1:]
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raise ValueError, "All templates must be in a package"
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tfile = pkg_resources.resource_filename(
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package, "%s.%s" % (basename, self.extension))
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def render(self, info, format="html", fragment=False, template=None):
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"""Renders data in the desired format.
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@param info: the data / context itself
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@type format: "string"
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@para template: name of the template to use
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@type template: string
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tinstance = self.load_template(template)
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log.debug("Applying template %s" % (tinstance.filename))
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if self.get_extra_vars:
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data.update(self.get_extra_vars())
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return tinstance(**data).encode('utf-8')