Re: getattr() on nested functions?

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  • Gabriel Genellina

    Re: getattr() on nested functions?

    En Wed, 20 Aug 2008 05:34:38 -0300, Gabriel Rossetti
    <gabriel.rosset ti@arimaz.comes cribi�:
    I can't get getattr() to return nested functions, I tried this :
    >
    >>def toto():
    ... def titi():
    ... pass
    ... f = getattr(toto, "titi")
    ... print str(f)
    ...
    >>toto()
    Traceback (most recent call last):
    File "<stdin>", line 1, in <module>
    File "<stdin>", line 4, in toto
    AttributeError: 'function' object has no attribute 'titi'
    >>>
    >
    I thought that since functions are objects, that I could obtain it's
    nested functions. How come it doesn't work and what can I do to
    fix/replace it? I'm using it in code that is like this :
    Yes, functions are objects, but inner functions aren't attributes of the
    outer; they live in its local namespace instead (and inner functions won't
    exist until the outer function executes)
    def __test(self, action, *args):
    def request(params) :
    pass
    def submit(params, values):
    pass
    def update(params, values):
    pass
    def delete(params):
    pass
    result = getattr(__test, action)(*args)
    return resultToXml(res ult)
    >
    where "action" is a string containing either "request", "submit",
    "update", or "delete". I was using an evel() with this form :
    >
    result = eval(action + "(params, values)")
    >
    but I didn't find that very clean.
    Try using locals()[action]

    --
    Gabriel Genellina

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