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Python 3000 - the next generation

There is no definite schedule for Python 3 (a.k.a. Python 3000 or Py3K) but a Python Enhancement Proposal (PEP) that details plans exists. There's a guiding principle to reduce duplication by removing old ways of doing things which will break version 2 compatibility. (Heard it before ... Perl 5 to Perl 6 ... a story from or for another day).

Proposed changes include:
• moving map, filter and reduce out of the built-in namespace
• add support for optional type declarations
• unify the str/unicode types
• introduce a separate mutable bytes type
• convert built-ins to returning iterators not lists where appropriate
• remove backwards-compatibility features like classic classes and division, string exceptions, and implicit relative imports

Very VERY early days yet, so "watch this space" for news
(written 2006-06-09)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
Y101 - Introduction to Python
  [4298] Python - an interesting application - (2014-09-18)
  [4118] We not only teach PHP and Python - we teach good PHP and Python Practice! - (2013-06-18)
  [1663] Python in an afternoon - a lecture for experienced programmers - (2008-06-01)
  [1375] Python v Ruby - (2007-10-02)
  [950] Python and the Magic Roundabout - (2006-11-27)
  [949] Sludge off the mountain, and Python and PHP - (2006-11-27)
  [909] Python is like a narrowboat - (2006-10-30)
  [846] Is Perl being replaced by PHP and Python? - (2006-08-27)
  [834] Python makes University Challenge - (2006-08-15)
  [745] Python modules. The distribution, The Cheese Shop and the Vaults of Parnassus. - (2006-06-05)
  [712] Why reinvent the wheel - (2006-05-06)
  [710] Linux training Glasgow, Python programming course Dundee - (2006-05-05)
  [629] Choosing the right language - (2006-03-01)
  [444] Database or Progamming - which to learn first? - (2005-09-13)
  [382] Central London Courses - Perl, PHP, Python, Tcl, MySQL - (2005-07-18)
  [380] Bridging to the customer requirement - (2005-07-16)
  [317] Programming languages - a comparison - (2005-05-20)

Y115 - Additional Python Facilities
  [4211] Handling JSON in Python (and a csv, marshall and pickle comparison) - (2013-11-16)
  [4085] JSON from Python - first principles, easy example - (2013-05-13)
  [3469] Teaching dilemma - old tricks and techniques, or recent enhancements? - (2011-10-08)
  [3442] A demonstration of how many Python facilities work together - (2011-09-16)
  [3089] Python regular expressions - repeating, splitting, lookahead and lookbehind - (2010-12-17)
  [2790] Joining a MySQL table from within a Python program - (2010-06-02)
  [2786] Factory methods and SqLite in use in a Python teaching example - (2010-05-29)
  [2765] Running operating system commands from your Python program - (2010-05-14)
  [2764] Python decorators - your own, staticmethod and classmethod - (2010-05-14)
  [2746] Model - View - Controller demo, Sqlite - Python 3 - Qt4 - (2010-04-29)
  [2745] Connecting Python to sqlite and MySQL databases - (2010-04-28)
  [2721] Regular Expressions in Python - (2010-04-14)
  [2655] Python - what is going on around me? - (2010-02-28)
  [2462] Python - how it saves on compile time - (2009-10-20)
  [2435] Serialization - storing and reloading objects - (2009-10-04)
  [2407] Testing code in Python - doctest, unittest and others - (2009-09-16)
  [1876] Python Regular Expressions - (2008-11-08)
  [1337] A series of tyre damages - (2007-09-08)
  [1336] Ignore case in Regular Expression - (2007-09-08)
  [1305] Regular expressions made easy - building from components - (2007-08-16)
  [1149] Turning objects into something you can store - Pickling (Python) - (2007-04-15)
  [1136] Buffering output - why it is done and issues raised in Tcl, Perl, Python and PHP - (2007-04-06)
  [1043] Sending an email from Python - (2007-01-18)
  [901] Python - listing out the contents of all variables - (2006-10-21)
  [672] Keeping your regular expressions simple - (2006-04-05)
  [663] Python to MySQL - (2006-03-31)
  [463] Splitting the difference - (2005-10-13)
  [239] What and why for the epoch - (2005-03-08)
  [208] Examples - Gadfly, NI Number, and Tcl to C interface - (2005-02-10)
  [183] The elegance of Python - (2005-01-19)

Y300 - Python 3 - What is new, what's changed and why
  [2871] Moving from Python 2.6 to Python 3 - (2010-07-14)
  [2778] Learning to program in Python 2 ... and / or in Python 3 - (2010-05-24)
  [2559] Moving the product forward - ours, and MySQL, Perl, PHP and Python too - (2010-01-01)
  [2285] Great new diagrams for our notes ... Python releases - (2009-07-13)
  [2277] Python classes / courses - what version do we train on? - (2009-07-10)
  [1791] The road ahead - Python 3 - (2008-09-10)
  [1788] Python 2 to Python 3 / Python 3000 / Py3k - (2008-09-07)


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Horse's mouth home
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Some other Articles
Horse and Python training
Seeing the bricks for the trees
Using different URLs to navigate around a single script
tar, jar, war, ear, sar files
Python 3000 - the next generation
Over zealous police activity?
Want to be a technical trainer in the UK?
Almost everyone loses
Cottage industry or production line data handling methods
Getting rid of variables after you have finished with them
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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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