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