On Mon, Nov 5, 2012 at 6:54 PM, Andrew Robinson <andr...@r3dsolutions.com> wrote: > On 11/04/2012 11:27 PM, Chris Angelico wrote: >> >> On Mon, Nov 5, 2012 at 6:07 PM, Chris Rebert<c...@rebertia.com> wrote: >>>>>> >>>>>> x = None >>>>>> x.a = 42 >>> >>> Traceback (most recent call last): >>> File "<stdin>", line 1, in<module> >>> AttributeError: 'NoneType' object has no attribute 'a' >> >> Python needs a YouGottaBeKiddingMeError for times when you do >> something utterly insane like this. Attributes of None??!? :) >> >> ChrisA > > Hmmm? Everything in Python is an object. > Therefore! SURE. None *does* have attributes! ( even if not useful ones... ) > > eg: " None.__getattribute__( "__doc__" ) " doesn't produce an error.
Eh, I meant mutating None's attributes, which is just as insane as I said. > In C, in Linux, at the end of the file "errno.h", where all error codes are > listed eg:( EIO, EAGAIN, EBUSY, E....) They had a final error like the one > you dreamed up, it was called "EIEIO"; and the comment read something like, > "All the way around Elmer's barn". There's been a collection of those around the place. A few memorable ones: EMILYPOST: Bad fork() ETOBACCO: Read on empty pipe EHORSE: Mount failed I may be misremembering, but I'm sure the originals can be found at the other end of a web search. ChrisA -- http://mail.python.org/mailman/listinfo/python-list
