Supporting Python 3（支持Python 3）

• 关于本书

• 关于术语

• 序

• 欢迎来到Python 3

• 是时候了吗?

• 如果我现在不能切换会怎么样？

• Python 和它的版本

• 更多资源

• 迁移策略

• 仅支持Python 3

• Python 2和Python 3的单独分支

• 使用2to3转换到Python 3

• 使用Distribute来支持2to3转换

• 无需转换支持Python 2 和 Python 3

• 使用3to2

•  哪种策略适合你？

• 应用

• Python模块和包

• 框架

• 结论

• Preparing for Python 3

• Comparatively tricky

• Implementing __hash__()

• Run under Python 2.7.

• Use // instead of / when dividing integers

• Use new-style classes

• Separate binary data and strings

• When sorting, use key instead of cmp

• Use rich comparison operators

• Make sure you aren’t using any removed modules

• Testing coverage and tox

• Optional: Use the iterator-methods on dictionaries

• 2to3

• Running tests with Distribute

• Running 2to3 with Distribute

• Running 2to3 on install

• Explicit fixers

• Using 2to3

• Distributing packages

• Supporting multiple versions of Python with Distribute

• Common migration problems

• write() has a return value

• Types are now classes

• Handling expected exceptions

• String representation

• dict and set order

• Byte literals

• Binary data in Python 2 and Python 3

• Nicer solutions

• Manipulating binary data

• Reading from files

• Incorrect imports

• Relative import problems

• Unorderable types, __cmp__ and cmp

• Sorting

• Sorting Unicode

• Bytes, strings and Unicode

• Replacing UserDict

• CSV API changes

• Running doctests

• Improving your code with modern idioms

• Abstract base classes

• multiprocessing and futures

• numbers and fractions

• Use sorted() instead of .sort()

• Coding with context managers

• Advanced string formatting

• Class decorators

• Set literals

• yield to the generators

• More comprehensions

• The next next()

• New modules

• Supporting Python 2 and 3 without 2to3 conversion

• Supporting the print() function

• Handling exceptions

• Import errors

• Integer incompatibilities

• More bytes, strings and Unicode

• Two times three is “six”

• Migrating C extensions

• Before you start

• Object initialization

• Module initialization

• Changes in Python

• Strings and Unicode

• Extending 2to3 with your own fixers

• When fixers are necessary

• The Parse Tree

• Creating a fixer

• Modifying the Parse Tree

• Finding the nodes with Patterns

• Language differences and workarounds

• apply()

• buffer()

• callable()

• Classes

• Comparisons

• coerce() and __coerce__

• Dictionary methods

• except

• Exception objects

• exec

• execfile

• file

• filter()

• Imports

• Indentation

• input() and raw_input()

• Integer division

• long

• map()

• Metaclasses

• .next()

• Parameter unpacking

• print

• raise

• range() and xrange()

• repr() as backticks.

• Rounding behavior

• Slice operator methods

• Sorting

• StandardError

• String types

• Reorganizations and renamings

• urllib, urllib2 and urlparse

• The standard library

• Removed modules

• Moved builtins

• string module removals

• Function and method attribute renamings

Supporting Python 3（支持Python 3）——目录

原文：http://my.oschina.net/soarwilldo/blog/508412