"GHUM" <[EMAIL PROTECTED]> wrote:
> Is there an easy (i.e.: no regex) way to do get the names of all
> parameters?
>
> get_parameters(template) should return ["name", "action"]
>
>
> Python has to do this somewhere internally..... how to access this
> knowledge?
How about:
class gpHelper:
def __init__(self):
self.names = set()
def __getitem__(self, name):
self.names.add(name)
return 0
def get_parameters(template):
hlp = gpHelper()
template % hlp
return hlp.names
>>> template=""" Hello %(name)s, how are you %(action)s"""
>>> get_parameters(template)
set(['action', 'name'])
>>>
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