Python 3.0 slithers to GA, time for 2.x users to update?


From the “Guido must be happy” files:

Python 3.0 is now officially out – breaking compatability (in many respects) with currently deployed Python 2.x series. Don’t worry it’s not all lost for existing Python users, though the official Python release does sound dire.

Python 3.0 (a.k.a. “Python 3000” or “Py3k”) is a new
version of the language that is incompatible with the 2.x line of
releases. The language is mostly the same, but many details,
especially how built-in objects like dictionaries and strings work,
have changed considerably, and a lot of deprecated features have
finally been removed. Also, the standard library has been reorganized
in a few prominent places.

You see in October Python 2.6 was released, and it is an effort to bridge the gap between the 2.x and 3.x versions of Python. When I spoke with Python developers back in October the expectation was that many developers would stick with the 2.x line for awhile and not immediately jump to 3.x when available.

“We are not expecting or encouraging developers to migrate to Python 3
immediately, and the Python 2.x line will continue to be supported and
improved for years to come,” David Goodger, an officer of the Python Software Foundation, told .”Python 2.6 is an upgrade intended for most
developers of production systems. Python 3.0 is for those who like to
live on the bleeding edge.”

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