def context_for(self, ident=None, **kwargs):
key = "&".join(k + "=" +
getattr(kwargs[k], 'identifier', str(kwargs[k]))
for k in sorted(kwargs.keys()))
res = self.__ad_hoc_contexts.get(key)
if res is None:
if ident:
ctxid = ident
else:
ctxid = self.identifier + '/context_for?' + key
self.__ad_hoc_contexts[key] = Context.contextualize(
self.context)(ident=ctxid)
res = self.__ad_hoc_contexts[key]
return res
def as_context(self):
if self.context is not None:
return Context.contextualize(self.context)(ident=self.make_context_identifier())
else:
return Context(ident=self.make_context_identifier())
