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from zope.interface import implementer
from pyramid.decorator import reify
from pyramid_chameleon import renderer
from pyramid_chameleon.interfaces import ITemplateRenderer
def renderer_factory(info):
return renderer.template_renderer_factory(info, TextTemplateRenderer)
@implementer(ITemplateRenderer)
class TextTemplateRenderer(object):
def __init__(self, path, lookup, macro=None):
self.path = path
self.lookup = lookup
# text template renderers have no macros, so we ignore the
# macro arg
@reify # avoid looking up reload_templates before manager pushed
def template(self):
from chameleon.zpt.template import PageTextTemplateFile
return PageTextTemplateFile(self.path,
auto_reload=self.lookup.auto_reload,
debug=self.lookup.debug,
translate=self.lookup.translate)
def implementation(self):
return self.template
def __call__(self, value, system):
try:
system.update(value)
except (TypeError, ValueError):
raise ValueError('renderer was passed non-dictionary as value')
result = self.template(**system)
return result
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