Official words on porting:

--------------------------

http://docs.python.org/2/howto/pyporting.html

http://wiki.python.org/moin/Python2orPython3

Other docs to read about porting to Py3:

----------------------------------------

https://github.com/nltk/nltk/blob/2and3/web/dev/python3porting.rst (particularly about doctests)

https://ep2013.europython.eu/media/conference/slides/python-3-the-next-generation-is-here-already.pdf

http://lucumr.pocoo.org/2011/1/22/forwards-compatible-python/

Supporting both 2 and 3 without 2to3 conversion: http://python3porting.com/noconv.html

http://python3porting.com/strategies.html

http://techspot.zzzeek.org/2011/01/24/zzzeek-s-guide-to-python-3-porting/

http://dabeaz.blogspot.com.au/2011/01/porting-py65-and-my-superboard-to.html

http://wolfprojects.altervista.org/talks/unicode-and-python-3/

Porting Django apps: https://docs.djangoproject.com/en/dev/topics/python3/

http://www.wefearchange.org/2012/01/python-3-porting-fun-redux.html

http://lucumr.pocoo.org/2011/12/7/thoughts-on-python3/

http://python3porting.com/fixers.html

http://washort.twistedmatrix.com/2010/11/unicode-in-python-and-how-to-prevent-it.html

http://docs.python.org/release/3.0.1/whatsnew/3.0.html

https://pypi.python.org/pypi/unicode-nazi

http://www.rmi.net/~lutz/strings30.html

"Porting your code to Python 3": Alexandre Vassalotti: peadrop.com/slides/mp5.pdf

Migration problems:

-------------------

http://python3porting.com/problems.html

http://www.wefearchange.org/2012/01/python-3-porting-fun-redux.html

Six module: http://pythonhosted.org/six/

Dive Into Python: Appendix A: Porting Code to Python 3 with 2to3: http://getpython3.com/diveintopython3/porting-code-to-python-3-with-2to3.html

Stdlib reorganization: http://python3porting.com/stdlib.html

python-modernize: https://github.com/mitsuhiko/python-modernize

2to3 docs describing the different fixers: http://docs.python.org/2/library/2to3.html

Injecting code into running Python processes (hopefully not needed): https://pypi.python.org/pypi/pyrasite/2.0

Withdrawn PEP to help with the Py3k standard library transition: http://www.peps.io/364/

Import hooks

------------

http://www.peps.io/302/

"Hacking Python imports ... for fun and profit": blog post from 2012-05: http://xion.org.pl/2012/05/06/hacking-python-imports/

Full importlib backport to Py2: https://pypi.python.org/pypi/backport_importlib/0...1

Python 2.7 importlib subset: http://docs.python.org/2/whatsnew/2.7.html#importlib-section

Post-import hooks (rendered obsolete by importlib): http://blog.cdleary.com/2009/04/monstrous-polymorphism-and-a-python-post-import-hook-decorator/

'An import hook for Python 3 that removes u prefixes '

'from Python source code before compiling it.': https://bitbucket.org/vinay.sajip/uprefix/

__future__ imports

------------------

http://simeonvisser.com/posts/how-does-from-future-import-work-in-python.html

http://docs.python.org/2/library/__future__.html

lib3to2

-------

https://bitbucket.org/amentajo/lib3to2

http://www.startcodon.com/wordpress/category/3to2/

Unicode and bytes

-----------------

PEPs: 358, 3112, 3137, 3138

http://python3porting.com/noconv.html#unicode-section

Unicode literals u'...' back in Python 3.3: http://www.python.org/dev/peps/pep-0414/

https://github.com/django/django/blob/master/django/utils/encoding.py

https://pypi.python.org/pypi/unicode-nazi

http://docs.python.org/3/library/stdtypes.html#bytes-methods

http://wolfprojects.altervista.org/talks/unicode-and-python-3/

Buffer protocol (which bytes and bytes-like objects obey): http://docs.python.org/3.3/c-api/buffer.html#bufferobjects

Python's future

----------------

https://ncoghlan_devs-python-notes.readthedocs.org/en/latest/python3/questions_and_answers.html

http://www.ironfroggy.com/software/i-am-worried-about-the-future-of-python

Backporting

-----------

http://stackoverflow.com/questions/7507492/is-backporting-python-3s-range-to-python-2-a-bad-idea

Other

-----

Type-checking decorators (maybe useful for implementing a Py3-like bytes

object in Py2): http://wiki.python.org/moin/PythonDecoratorLibrary#Type_Enforcement_.28accepts.2Freturns.29

Also: typecheck module on PyPI

To categorize

-------------

https://pypi.python.org/pypi/awkwardduet/1.1a4

https://github.com/campadrenalin/persei/blob/master/persei.py

http://slideshare.net/dabeaz/mastering-python-3-io

http://rmi.net/~lutz/strings30.html