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"""
Extensions
-----------------------------------------------------------------------------
"""
class Extension:
""" Base class for extensions to subclass. """
def __init__(self, configs = {}):
"""Create an instance of an Extention.
Keyword arguments:
* configs: A dict of configuration setting used by an Extension.
"""
self.config = configs
def getConfig(self, key, default=''):
""" Return a setting for the given key or an empty string. """
if key in self.config:
return self.config[key][0]
else:
return default
def getConfigs(self):
""" Return all configs settings as a dict. """
return dict([(key, self.getConfig(key)) for key in self.config.keys()])
def getConfigInfo(self):
""" Return all config descriptions as a list of tuples. """
return [(key, self.config[key][1]) for key in self.config.keys()]
def setConfig(self, key, value):
""" Set a config setting for `key` with the given `value`. """
self.config[key][0] = value
def extendMarkdown(self, md, md_globals):
"""
Add the various proccesors and patterns to the Markdown Instance.
This method must be overriden by every extension.
Keyword arguments:
* md: The Markdown instance.
* md_globals: Global variables in the markdown module namespace.
"""
raise NotImplementedError, 'Extension "%s.%s" must define an "extendMarkdown"' \
'method.' % (self.__class__.__module__, self.__class__.__name__)
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