_parse_match(self, match)
Will be passed a match object corresponding to the interpolation key we just found (e.g., "%(foo)s" or "$foo"). Should look up that key in the appropriate config file section (using the _fetch()
helper function) and return a 3-tuple: (key, value, section)
key
is the name of the key we're looking for value
is the value found for that key section
is a reference to the section where it was found
key
and section
should be None if no further interpolation should be performed on the resulting value (e.g., if we interpolated "$$" and returned "$").
Implementation-dependent helper function.
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