Part of twisted.web.template View Source
Collate a string representation of root into a single
string.
This is basically gluing flatten to a
StringIO and returning the results. See flatten for the
exact meanings of request and root.
| Returns | A Deferred
which will be called back with a single string as its result when
root has been completely flattened into write or
which will be errbacked if an unexpected exception occurs. | |