def __call__(self, **kwargs):
modified = ILastUpdated(self.context)()
etag = self.context.__name__
if isinstance(modified, datetime):
etag += modified.isoformat().split('.')[0]
if kwargs:
etag += '%s' % kwargs
return encodestring(etag)
def lastmodified(self, page):
date = ILastUpdated(page)()
if not isinstance(date, datetime):
return ''
date = date.isoformat()
# tz info
if '+' not in date:
date = date + '+00:00'
return date