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Skip Montanaroe5d7f7f2002-09-20 14:16:59 +00001+++++++++++
2Python News
3+++++++++++
4
Anthony Baxterb0c66302004-11-04 05:23:17 +00005(editors: check NEWS.help for information about editing NEWS using ReST.)
6
Guido van Rossum45aecf42006-03-15 04:58:47 +00007What's New in Python 3000?
8==========================
Thomas Wouters4d70c3d2006-06-08 14:42:34 +00009
Neal Norwitz4886cc32006-08-21 17:06:07 +000010*Release date: XX-XXX-200X*
11
12TO DO
13-----
14
15- See PEP 3000.
16
17- Test merging certain changes from the 2.5 HEAD code.
18
19- Weed really old/weird stuff from the library.
20
21- Unify range() and xrange().
22
23- Revamp the dict API: keys(), values(), items() return iterators, etc.
24
25- Add the bytes type.
26
27- Rework the standard I/O library to use bytes for binary files.
28
29- Make strings all Unicode.
30
31- Get rid of classic class implementation.
32
33- Get rid of various compatibility-related flags (e.g. division flags).
34
Neal Norwitz378b2c92006-08-29 07:57:22 +000035
Neal Norwitz4886cc32006-08-21 17:06:07 +000036Core and Builtins
37-----------------
38
Jack Diederich4dafcc42006-11-28 19:15:13 +000039- Renamed nb_nonzero to nb_bool and __nonzero__ to __bool__
40
Neal Norwitz4886cc32006-08-21 17:06:07 +000041- Classic classes are a thing of the past. All classes are new style.
42
43- Exceptions *must* derive from BaseException.
44
45- Integer division always returns a float. The -Q option is no more.
46 All the following are gone:
47 * PyNumber_Divide and PyNumber_InPlaceDivide
48 * __div__, __rdiv__, and __idiv__
49 * nb_divide, nb_inplace_divide
50 * operator.div, operator.idiv, operator.__div__, operator.__idiv__
51 (Only __truediv__ and __floordiv__ remain, not sure how to handle them
52 if we want to re-use __div__ and friends. If we do, it will make
53 it harder to write code for both 2.x and 3.x.)
54
55- 'as' and 'with' are keywords.
56
57- Absolute import is the default behavior for 'import foo' etc.
58
Neal Norwitz378b2c92006-08-29 07:57:22 +000059- Removed support for syntax:
60 backticks (`x`), <>
61
Neal Norwitz4886cc32006-08-21 17:06:07 +000062- Removed these Python builtins:
63 apply(), coerce(), input(), raw_input()
64
Neal Norwitz378b2c92006-08-29 07:57:22 +000065- Removed these Python methods:
66 {}.has_key
67
Neal Norwitz4886cc32006-08-21 17:06:07 +000068- Removed these Python slots:
69 __coerce__, __div__, __idiv__, __rdiv__
70
71- Removed these attributes from Python modules:
72 * operator module: div, idiv, __div__, __idiv__
73
Neal Norwitz4886cc32006-08-21 17:06:07 +000074- Removed these C APIs:
Neal Norwitz378b2c92006-08-29 07:57:22 +000075 PyNumber_Coerce(), PyNumber_CoerceEx()
Neal Norwitz4886cc32006-08-21 17:06:07 +000076
77- Removed these C slots/fields:
78 nb_divide, nb_inplace_divide
79
80- Removed these macros:
81 staticforward, statichere, PyArg_GetInt, PyArg_NoArgs
82
83- Removed these typedefs:
84 intargfunc, intintargfunc, intobjargproc, intintobjargproc,
85 getreadbufferproc, getwritebufferproc, getsegcountproc, getcharbufferproc
86
87- Removed these opcodes:
Neal Norwitz378b2c92006-08-29 07:57:22 +000088 BINARY_DIVIDE, INPLACE_DIVIDE, UNARY_CONVERT
89
90- zip returns an iterator
91
92- Additions:
93 set literals
94
Neal Norwitz4886cc32006-08-21 17:06:07 +000095
96Extension Modules
97-----------------
98
99Library
100-------
101
Raymond Hettinger4901a1f2004-12-02 08:59:14 +0000102Build
103-----
104
Raymond Hettinger4901a1f2004-12-02 08:59:14 +0000105C API
106-----
107
Raymond Hettinger4901a1f2004-12-02 08:59:14 +0000108Tests
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110
Brett Cannonced04e02005-02-13 22:53:22 +0000111Documentation
112-------------
113
Raymond Hettinger4901a1f2004-12-02 08:59:14 +0000114Mac
115---
116
Hye-Shik Chang4e422812005-07-17 02:36:59 +0000117New platforms
118-------------
119
Raymond Hettinger4901a1f2004-12-02 08:59:14 +0000120Tools/Demos
121-----------
122
Skip Montanaroe5d7f7f2002-09-20 14:16:59 +0000123**(For information about older versions, consult the HISTORY file.)**