Re: RELEASED Python 2.5 (alpha 1)
Michael Ekstrand wrote: Michele Simionato wrote: Michael Ekstrand wrote: After reading AMK's survey of what's new in Python 2.5, I am suitably impressed. As usual, I can't wait to start using the cool new features... extended generators? (mind is currently swimming with the question of can I implement Scheme's call-with-current-continuation using extended generators.) No. Oh well. I'll try not to think too hard about it then. The day Python (without using Stackless) has true continuations will be a happy day. It is interesting that the support for full continuations was removed in recent versions of Stackless (I think there was support in version 1, not in versions 2 and 3, but I am not a Stackless user so please correct me if I am wrong). Coroutines give you more control on your program flow, but not as much as full continuations. With full continuations you can store the current state of your program (with some restrictions, the program should not have side effects or interact with an external environment) and at a later time go back to to that state. In a sense you can go back in time (but only in points that your program has already travelled) whereas with coroutine you can go just in one direction in the time. A nice thing you can do with full continuations is a modal Web server (seehttp://www.double.co.nz/scheme/modal-web-server.html). But this is definitely OT for this thread, so let me stop here ;) Michele Simionato -- http://mail.python.org/mailman/listinfo/python-list
Re: RELEASED Python 2.5 (alpha 1)
Michele Simionato [EMAIL PROTECTED] wrote in message news:[EMAIL PROTECTED] Michael Ekstrand wrote: The day Python (without using Stackless) has true continuations will be a happy day. Don't hold your breath. Guido regards 'true continuations' as complexity overload for the typical programmer and has declared (on one his Artima blog posts, for instance, recently) that he will never add them to core Python. tjr -- http://mail.python.org/mailman/listinfo/python-list
RELEASED Python 2.5 (alpha 1)
On behalf of the Python development team and the Python community, I'm happy to announce the first alpha release of Python 2.5. This is an *alpha* release of Python 2.5, and is the *first* alpha release. As such, it is not suitable for a production environment. It is being released to solicit feedback and hopefully discover bugs, as well as allowing you to determine how changes in 2.5 might impact you. If you find things broken or incorrect, please log a bug on Sourceforge. In particular, note that changes to improve Python's support of 64 bit systems might require authors of C extensions to change their code. More information (as well as source distributions and Windows installers) are available from the 2.5 website: http://www.python.org/2.5/ The plan from here is for a number of additional alpha releases, followed by one or more beta releases and moving to a 2.5 final release around August. PEP 356 includes the schedule and will be updated as the schedule evolves. The new features in Python 2.5 are described in Andrew Kuchling's What's New In Python 2.5. It's available from the 2.5 web page. Amongst the language features added include conditional expressions, the with statement, the merge of try/except and try/finally into try/except/finally, enhancements to generators to produce a coroutine kind of functionality, and a brand new AST-based compiler implementation. New major modules added include hashlib, ElementTree, sqlite3 and ctypes. In addition, a new profiling module cProfile was added. A large number of bugs, regressions and reference leaks have been fixed since Python 2.4. See the release notes for more. Enjoy this new (alpha!) release, Anthony Anthony Baxter [EMAIL PROTECTED] Python Release Manager (on behalf of the entire python-dev team) pgpj12FUUt0aK.pgp Description: PGP signature -- http://mail.python.org/mailman/listinfo/python-announce-list Support the Python Software Foundation: http://www.python.org/psf/donations.html
RELEASED Python 2.5 (alpha 1)
On behalf of the Python development team and the Python community, I'm happy to announce the first alpha release of Python 2.5. This is an *alpha* release of Python 2.5, and is the *first* alpha release. As such, it is not suitable for a production environment. It is being released to solicit feedback and hopefully discover bugs, as well as allowing you to determine how changes in 2.5 might impact you. If you find things broken or incorrect, please log a bug on Sourceforge. In particular, note that changes to improve Python's support of 64 bit systems might require authors of C extensions to change their code. More information (as well as source distributions and Windows installers) are available from the 2.5 website: http://www.python.org/2.5/ The plan from here is for a number of additional alpha releases, followed by one or more beta releases and moving to a 2.5 final release around August. PEP 356 includes the schedule and will be updated as the schedule evolves. The new features in Python 2.5 are described in Andrew Kuchling's What's New In Python 2.5. It's available from the 2.5 web page. Amongst the language features added include conditional expressions, the with statement, the merge of try/except and try/finally into try/except/finally, enhancements to generators to produce a coroutine kind of functionality, and a brand new AST-based compiler implementation. New major modules added include hashlib, ElementTree, sqlite3 and ctypes. In addition, a new profiling module cProfile was added. A large number of bugs, regressions and reference leaks have been fixed since Python 2.4. See the release notes for more. Enjoy this new (alpha!) release, Anthony Anthony Baxter [EMAIL PROTECTED] Python Release Manager (on behalf of the entire python-dev team) pgpeD3UBh10yc.pgp Description: PGP signature -- http://mail.python.org/mailman/listinfo/python-list
Re: RELEASED Python 2.5 (alpha 1)
After reading AMK's survey of what's new in Python 2.5, I am suitably impressed. As usual, I can't wait to start using the cool new features... extended generators? (mind is currently swimming with the question of can I implement Scheme's call-with-current-continuation using extended generators.) Anyway, the more important question that came to mind: I see that 2.5 will include the excellent ElementTree. Will cElementTree be included where available? or is it only the pure-Python version that will be in the standard library? - Michael -- mouse, n: a device for pointing at the xterm in which you want to type. -- Fortune Visit me on the Web: http://www.elehack.net -- http://mail.python.org/mailman/listinfo/python-list
Re: RELEASED Python 2.5 (alpha 1)
Michael Ekstrand wrote: [...] Anyway, the more important question that came to mind: I see that 2.5 will include the excellent ElementTree. Will cElementTree be included where available? or is it only the pure-Python version that will be in the standard library? Both elementtree as (xml.etree) and cElementTree (as _elementtree) are included. -- Gerhard -- http://mail.python.org/mailman/listinfo/python-list
Re: RELEASED Python 2.5 (alpha 1)
Michael Ekstrand wrote: After reading AMK's survey of what's new in Python 2.5, I am suitably impressed. As usual, I can't wait to start using the cool new features... extended generators? (mind is currently swimming with the question of can I implement Scheme's call-with-current-continuation using extended generators.) No. -- http://mail.python.org/mailman/listinfo/python-list
Re: RELEASED Python 2.5 (alpha 1)
Michael Ekstrand wrote: Anyway, the more important question that came to mind: I see that 2.5 will include the excellent ElementTree. Will cElementTree be included where available? or is it only the pure-Python version that will be in the standard library? they're both available, via the xml.etree namespace: import xml.etree.ElementTree import xml.etree.cElementTree we've also modified things so that cElementTree uses the expat instance provided by pyexpat (via runtime linking), rather than it's own copy. /F -- http://mail.python.org/mailman/listinfo/python-list
Re: RELEASED Python 2.5 (alpha 1)
That is cool and that will be a great addition to the libraries. Robert -- http://mail.python.org/mailman/listinfo/python-list
Re: RELEASED Python 2.5 (alpha 1)
There are lot of new things! Is Hettinger's collections.bag going in Python 2.5 too? http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/259174 Bye, bearophile -- http://mail.python.org/mailman/listinfo/python-list
Re: RELEASED Python 2.5 (alpha 1)
Michele Simionato wrote: Michael Ekstrand wrote: After reading AMK's survey of what's new in Python 2.5, I am suitably impressed. As usual, I can't wait to start using the cool new features... extended generators? (mind is currently swimming with the question of can I implement Scheme's call-with-current-continuation using extended generators.) No. Oh well. I'll try not to think too hard about it then. The day Python (without using Stackless) has true continuations will be a happy day. - Michael -- mouse, n: a device for pointing at the xterm in which you want to type. -- Fortune Visit me on the Web: http://www.elehack.net -- http://mail.python.org/mailman/listinfo/python-list
