12.1.2 Formatter Implementations
Two implementations of formatter objects are provided by this module.
Most applications may use one of these classes without modification or
- class NullFormatter([writer])
A formatter which does nothing. If writer is omitted, a
NullWriter instance is created. No methods of the writer are
called by NullFormatter instances. Implementations should
inherit from this class if implementing a writer interface but don't
need to inherit any implementation.
- class AbstractFormatter(writer)
The standard formatter. This implementation has demonstrated wide
applicability to many writers, and may be used directly in most
circumstances. It has been used to implement a full-featured
world-wide web browser.
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