[Python-checkins] r53950 - peps/trunk/pep-0358.txt peps/trunk/pep-3100.txt
georg.brandl
python-checkins at python.org
Mon Feb 26 18:33:18 CET 2007
Author: georg.brandl
Date: Mon Feb 26 18:33:15 2007
New Revision: 53950
Modified:
peps/trunk/pep-0358.txt
peps/trunk/pep-3100.txt
Log:
Mark a few PEP 3100 items as done, update PEP 358 wrt. bytes literals.
Modified: peps/trunk/pep-0358.txt
==============================================================================
--- peps/trunk/pep-0358.txt (original)
+++ peps/trunk/pep-0358.txt Mon Feb 26 18:33:15 2007
@@ -84,12 +84,10 @@
return new
The .__repr__() method returns a string that can be evaluated to
- generate a new bytes object containing the same sequence of
- integers. The sequence is represented by a list of ints using
- hexadecimal notation. For example:
+ generate a new bytes object containing a bytes literal:
- >>> repr(bytes[10, 20, 30])
- 'bytes([0x0a, 0x14, 0x1e])'
+ >>> bytes([10, 20, 30])
+ b'\n\x14\x1e'
The object has a .decode() method equivalent to the .decode()
method of the str object. The object has a classmethod .fromhex()
@@ -98,14 +96,14 @@
example:
>>> bytes.fromhex('5c5350ff')
- bytes([92, 83, 80, 255]])
+ b'\\SP\xff'
>>> bytes.fromhex('5c 53 50 ff')
- bytes([92, 83, 80, 255]])
+ b'\\SP\xff'
The object has a .hex() method that does the reverse conversion
(similar to binascii.hexlify):
- >> bytes([92, 83, 80, 255]]).hex()
+ >> bytes([92, 83, 80, 255]).hex()
'5c5350ff'
The bytes object has some methods similar to list method, and
@@ -198,8 +196,6 @@
* Should all those list methods really be implemented?
- * Now that a b"..." literal exists, shouldn't repr() return one?
-
* A case could be made for supporting .ljust(), .rjust(),
.center() with a mandatory second argument.
@@ -219,7 +215,7 @@
Frequently Asked Questions
Q: Why have the optional encoding argument when the encode method of
- Unicode objects does the same thing.
+ Unicode objects does the same thing?
A: In the current version of Python, the encode method returns a str
object and we cannot change that without breaking code. The
Modified: peps/trunk/pep-3100.txt
==============================================================================
--- peps/trunk/pep-3100.txt (original)
+++ peps/trunk/pep-3100.txt Mon Feb 26 18:33:15 2007
@@ -103,7 +103,7 @@
with __builtin__. Keeping both with confusingly similar spellings
and semantics is evil.
* Attributes on functions of the form ``func_whatever`` will be renamed
- ``__whatever__`` [17]_
+ ``__whatever__`` [17]_ [done]
* Set literals and comprehensions [19]_ [20]_ [done]
{x} means set([x]); {x, y} means set([x, y]).
{F(x) for x in S if P(x)} means set(F(x) for x in S if P(x)).
@@ -143,10 +143,9 @@
literals with 'L' or 'l' suffix disappear [1]_ [done]
* Make all strings be Unicode, and have a separate bytes() type [1]_
The new string type will be called 'str'.
-* Return iterators instead of lists where appropriate for atomic type methods
+* Return iterable views instead of lists where appropriate for atomic type methods
(e.g. ``dict.keys()``, ``dict.values()``, ``dict.items()``, etc.); iter*
- methods will be removed.
- Better: make keys(), etc. return views ala Java collections???
+ methods will be removed. [done]
* Make ``string.join()`` stringify its arguments? [18]_
* Fix file() so it returns a ValueError if the mode is bad rather than IOError.
(This probably affects lots of places, we should review the exceptions
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