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from repoze.bfg.template import render_template
class View(object):
""" Convenience base class for user-defined views """
def __init__(self, context, request):
self.context = context
self.request = request
def __call__(self, **kw):
raise NotImplementedError
class TemplateView(View):
template = None
def __call__(self, **kw):
if self.template is None:
raise ValueError('a "template" attribute must be attached to '
'a TemplateView')
return render_template(self, self.template, **kw)
def __repr__(self):
klass = self.__class__
return '<%s.%s object at %s for %s>' % (klass.__module__,
klass.__mame__,
id(self),
self.template)
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