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"""Interface Speakable --- Generic Speakable objects.
Producing good quality spoken output requires knowledge of the
content. Such knowledge includes:
Custom parsing rules for determining clause boundaries.
Custom pronunciation rules.
In general, it is not practical for a generic Speaker object to
be aware of every type of speakable content. Examples of
Speakable content include:
Email messages.
Web pages.
Electronic books.
Program source code in different languages.
Interface Speakable is defined as a light-weight interface that
can be extended and customize by different content-types. The
default implementation provides a generic parser and
pronunciation dictionary.
Objects implementing Interface Speakable can be passed to method
Speaker.render to produce well-formatted auditory output.
Methods defined by Interface Speakable:
Speakable objects implement a generic iterator/generator
interface so that one can write code within method Speaker.render
of the form:
for clause in SpeakableParagraph:s.say(clause)
This allows object Speaker to chunk content in a manner
appropriate to the content-type being spoken.
Within the implementation of the iterator, one can customize how
a particular 'clause' is rendered by applying custom
pronunciation rules.
"""
__id__ = "$Id: speakable.py 3535 2005-11-17 14:32:59Z raman $"
__author__ = "$Author: raman $"
__version__ = "$Revision: 3535 $"
__date__ = "$Date: 2005-11-17 06:32:59 -0800 (Thu, 17 Nov 2005) $"
__copyright__ = "Copyright (c) 2005 T. V. Raman"
__license__ = "LGPL"
class Speakable:
"""Default implementation of Interface Speakable. """
def __init__(self, content=""):
"""Initialize Speakable with content.
Content is held by reference."""
self.content = content
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