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On Jan 20, 2009, at 2:08 AM, Beverley Eyre wrote:
I haven't even looked at 3.0 yet. I have no idea what would be
involved, Andreas. Are there any changes that would cause massive
alterations in the way a person using it would want it to look and
feel in emacs?
<dum de dum... checking out changes in 3.0)
Well, after spending 15 minutes reading about the changes made in
'Py3k' I can only say that the changes to python-mode will have to
be discussed here. There are plainly some things that need to be
changed. How much depends on strategic decisions about python-mode
and what we want it to be (e.g. how serious will the syntax checking/
helping be?). Also, again, depending on strategic decisions, it
*could* be hard to make it backwardly compatible without specifying
the version of Python being used. They come pretty close to saying
it's all but a new language in a couple of places. They seem to be
wanting to remove a lot of the...ahh... (what to call it) the
'casual' feeling of Python and make it much more strict.
I haven't even started looking at what changes we'd want to make for
Python 3.0, but I'm a bit afraid that it will be nearly impossible to
support both python3 and python2 without getting a lot more complicated.
Until now, we've really only targeted the "latest" version, so for
example, even if you were using say Python 2.0, you'd still get @-
syntax highlighting and with-as-a-keyword. This was mostly okay even
if it was occasionally distracting.
But Python 3.0 is significantly different that I think we're going to
have to figure out a way for the mode to support multiple versions of
Python. E.g. is print() highlighted or not? Maybe it won't be that
bad, but an evaluation has to take place.
I have a deck of slides for a presentation on what's new in Python
2.5, 2.6, and 3.0. I've just given the presentation for a second time
and have permission to make them public. Perhaps it will be helpful.
I'll send a message around when it's available.
- -Barry
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