Łukasz Langa <[email protected]> added the comment:
On IRC Fred asked:
> Why are delimiters and comment_prefixes in the constructor signatures?
Like most configurable options, they were added to the initializer one by one
(after `allow_no_value`). Only later did I notice that actually things like
optionxform, _boolean_states, etc. are configurable by assignment. So this is a
design decision whether one way should be preferred over the other. In a way
that's unfortunate that we now have two obvious ways to do it.
I believe that keyword arguments are far better because they are more
declarative, e.g.:
parser = SafeConfigParser(delimiters=(':=',),
comment_prefixes=('//',))
vs.
parser = SafeConfigParser()
parser._delimiters = (':=',)
parser._comment_prefixes = ('//',)
It's the way ORMs and many other frameworks do it and it feels natural.
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<http://bugs.python.org/issue9421>
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