"Attribute Doesnt Exist" ... but.... it does :-s

[Michael Wieher]

2008/3/13, Robert Rawlins <robert.rawlins at thinkbluemedia.co.uk>:
>
> Hi Guys,
>
> Well thanks for the response, I followed your advice and chopped out all
> the
> crap from my class, right down to the bare __init__ and the setter method,
> however, the problem continued to persist.
>
> However, Robert mentioned something about unindented lines which got me
> thinking so I deleted my tab indents on that method and replaces them with
> standard space-bar indents and it appears to have cured the problem.
>
> Usually my Eclipse IDE throws up an error about this but for some reason
> decided not too this time around, what a PITA.
>
> Thanks for the ideas guys, I appreciate it.
>
> Robert
>
> -----Original Message-----
> From: python-list-bounces+robert.rawlins=thinkbluemedia.co.uk at python.org
> [mailto:python-list-bounces+robert.rawlins=thinkbluemedia.co.uk at python.org
> ]
> On Behalf Of Robert Bossy
> Sent: 13 March 2008 15:51
> To: python-list at python.org
> Subject: Re: "Attribute Doesnt Exist" ... but.... it does :-s
>
> Robert Rawlins wrote:
> >
> > Hello Guys,
> >
> > I've got an awfully aggravating problem which is causing some
> > substantial hair loss this afternoon J I want to get your ideas on
> > this. I am trying to invoke a particular method in one of my classes,
> > and I'm getting a runtime error which is telling me the attribute does
> > not exist.
> >
> > I'm calling the method from within __init__ yet it still seems to
> > think it doesn't exist.
> >
> > Code:
> >
> > # Define the RemoteDevice class.
> >
> > class *remote_device*:
> >
> > # I'm the class constructor method.
> >
> > def *__init__*(/self/, message_list=/""/):
> >
> > /self/.set_pending_list(message_list)
> >
> > def *set_pending_list*(/self/, pending_list):
> >
> > # Set the message list property.
> >
> > /self/.pending_list = message_list
> >
> > And the error message which I receive during the instantiation of the
> > class:
> >
> > File: "/path/to/my/files/remote_device.py", line 22, in __init__
> >
> > self.set_pending_list(message_list)
> >
> > AttributeError: remote_device instance has no attribute
> 'set_pending_list'
> >
> > Does anyone have the slightest idea why this might be happening? I can
> > see that the code DOES have that method in it, I also know that I
> > don't get any compile time errors so that should be fine. I know it
> > mentions line 22 in the error, but I've chopped out a load of non
> > relevant code for the sake of posting here.
> >
> Hi,
> I don't get this error if I run your code. Maybe the irrelevant code
> causes the error: my guess is that there's a parenthesis mismatch or an
> undeindented line.
>
> Btw, calls to set_pending_list will fail since the name "message_list"
> is not defined in its scope. Please follow Chris Mellon's advice.
>
> Cheers,
> RB
> --
> http://mail.python.org/mailman/listinfo/python-list
>
>
> --
> http://mail.python.org/mailman/listinfo/python-list




All the more reason to use VIM and set it to auto-indent / remove 4 spaces
with tab & backspace. =)
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