Author: georg.brandl
Date: Fri Aug 31 12:37:15 2007
New Revision: 57835
Modified:
python/branches/py3k/Doc/library/stdtypes.rst
python/branches/py3k/Doc/library/string.rst
python/branches/py3k/Lib/distutils/command/install.py
python/branches/py3k/Lib/distutils/fancy_getopt.py
python/branches/py3k/Lib/string.py
python/branches/py3k/Lib/test/test_bigmem.py
python/branches/py3k/Lib/test/test_string.py
python/branches/py3k/Lib/textwrap.py
python/branches/py3k/Lib/urllib.py
Log:
string.maketrans() now produces translation tables for bytes.translate() --
wrong module?
Fix all remaining instances that did bad things with the new str.translate().
Modified: python/branches/py3k/Doc/library/stdtypes.rst
==============================================================================
--- python/branches/py3k/Doc/library/stdtypes.rst (original)
+++ python/branches/py3k/Doc/library/stdtypes.rst Fri Aug 31 12:37:15 2007
@@ -1549,10 +1549,10 @@
b'example'
-.. method:: bytes.translate(table[, deletechars])
+.. method:: bytes.translate(table[, delete])
Return a copy of the bytes object where all bytes occurring in the optional
- argument *deletechars* are removed, and the remaining bytes have been mapped
+ argument *delete* are removed, and the remaining bytes have been mapped
through the given translation table, which must be a bytes object of length
256.
@@ -1560,8 +1560,7 @@
create a translation table.
.. XXX a None table doesn't seem to be supported
- For string objects, set the *table* argument to
- ``None`` for translations that only delete characters::
+ Set the *table* argument to ``None`` for translations that only delete
characters::
>>> 'read this short text'.translate(None, 'aeiou')
'rd ths shrt txt'
Modified: python/branches/py3k/Doc/library/string.rst
==============================================================================
--- python/branches/py3k/Doc/library/string.rst (original)
+++ python/branches/py3k/Doc/library/string.rst Fri Aug 31 12:37:15 2007
@@ -128,10 +128,11 @@
.. method:: get_field(field_name, args, kwargs, used_args)
Given *field_name* as returned by :meth:`parse` (see above), convert it
to
- an object to be formatted. The default version takes strings of the form
- defined in :pep:`3101`, such as "0[name]" or "label.title". It records
- which args have been used in *used_args*. *args* and *kwargs* are as
- passed in to :meth:`vformat`.
+ an object to be formatted. Returns a tuple (obj, used_key). The default
+ version takes strings of the form defined in :pep:`3101`, such as
+ "0[name]" or "label.title". *args* and *kwargs* are as passed in to
+ :meth:`vformat`. The return value *used_key* has the same meaning as the
+ *key* parameter to :meth:`get_value`.
.. method:: get_value(key, args, kwargs)
@@ -554,15 +555,8 @@
leading and trailing whitespace.
-.. XXX is obsolete with unicode.translate
-.. function:: maketrans(from, to)
+.. function:: maketrans(frm, to)
- Return a translation table suitable for passing to :func:`translate`, that
will
- map each character in *from* into the character at the same position in
*to*;
- *from* and *to* must have the same length.
-
- .. warning::
-
- Don't use strings derived from :const:`lowercase` and :const:`uppercase`
as
- arguments; in some locales, these don't have the same length. For case
- conversions, always use :func:`lower` and :func:`upper`.
+ Return a translation table suitable for passing to :meth:`bytes.translate`,
+ that will map each character in *from* into the character at the same
+ position in *to*; *from* and *to* must have the same length.
Modified: python/branches/py3k/Lib/distutils/command/install.py
==============================================================================
--- python/branches/py3k/Lib/distutils/command/install.py (original)
+++ python/branches/py3k/Lib/distutils/command/install.py Fri Aug 31
12:37:15 2007
@@ -348,11 +348,10 @@
if opt_name[-1] == "=":
opt_name = opt_name[0:-1]
if self.negative_opt.has_key(opt_name):
- opt_name = self.negative_opt[opt_name].translate(
- longopt_xlate)
+ opt_name = longopt_xlate(self.negative_opt[opt_name])
val = not getattr(self, opt_name)
else:
- opt_name = opt_name.translate(longopt_xlate)
+ opt_name = longopt_xlate(opt_name)
val = getattr(self, opt_name)
print(" %s: %s" % (opt_name, val))
Modified: python/branches/py3k/Lib/distutils/fancy_getopt.py
==============================================================================
--- python/branches/py3k/Lib/distutils/fancy_getopt.py (original)
+++ python/branches/py3k/Lib/distutils/fancy_getopt.py Fri Aug 31 12:37:15 2007
@@ -26,7 +26,7 @@
# This is used to translate long options to legitimate Python identifiers
# (for use as attributes of some object).
-longopt_xlate = string.maketrans('-', '_')
+longopt_xlate = lambda s: s.replace('-', '_')
class FancyGetopt:
"""Wrapper around the standard 'getopt()' module that provides some
@@ -107,7 +107,7 @@
"""Translate long option name 'long_option' to the form it
has as an attribute of some object: ie., translate hyphens
to underscores."""
- return long_option.translate(longopt_xlate)
+ return longopt_xlate(long_option)
def _check_alias_dict(self, aliases, what):
assert isinstance(aliases, dict)
@@ -372,7 +372,7 @@
return parser.getopt(args, object)
-WS_TRANS = string.maketrans(string.whitespace, ' ' * len(string.whitespace))
+WS_TRANS = {ord(_wschar) : ' ' for _wschar in string.whitespace}
def wrap_text(text, width):
"""wrap_text(text : string, width : int) -> [string]
@@ -432,7 +432,7 @@
"""Convert a long option name to a valid Python identifier by
changing "-" to "_".
"""
- return opt.translate(longopt_xlate)
+ return longopt_xlate(opt)
class OptionDummy:
Modified: python/branches/py3k/Lib/string.py
==============================================================================
--- python/branches/py3k/Lib/string.py (original)
+++ python/branches/py3k/Lib/string.py Fri Aug 31 12:37:15 2007
@@ -25,10 +25,6 @@
punctuation = """!"#$%&'()*+,-./:;<=>[EMAIL PROTECTED]|}~"""
printable = digits + ascii_letters + punctuation + whitespace
-# Case conversion helpers
-# Use str to convert Unicode literal in case of -U
-_idmap = str('').join(chr(c) for c in range(256))
-
# Functions which aren't available as string methods.
# Capitalize the words in a string, e.g. " aBc dEf " -> "Abc Def".
@@ -44,26 +40,23 @@
return (sep or ' ').join([x.capitalize() for x in s.split(sep)])
-# Construct a translation string
-_idmapL = None
-def maketrans(fromstr, tostr):
- """maketrans(frm, to) -> string
-
- Return a translation table (a string of 256 bytes long)
- suitable for use in string.translate. The strings frm and to
- must be of the same length.
-
+# Construct a translation map for bytes.translate
+def maketrans(frm, to):
+ """maketrans(frm, to) -> bytes
+
+ Return a translation table (a bytes object of length 256)
+ suitable for use in bytes.translate where each byte in frm is
+ mapped to the byte at the same position in to.
+ The strings frm and to must be of the same length.
"""
- if len(fromstr) != len(tostr):
+ if len(frm) != len(to):
raise ValueError("maketrans arguments must have same length")
- global _idmapL
- if not _idmapL:
- _idmapL = list(_idmap)
- L = _idmapL[:]
- for i, c in enumerate(fromstr):
- L[ord(c)] = tostr[i]
- return ''.join(L)
-
+ if not (isinstance(frm, bytes) and isinstance(to, bytes)):
+ raise TypeError("maketrans arguments must be bytes objects")
+ L = bytes(range(256))
+ for i, c in enumerate(frm):
+ L[c] = to[i]
+ return L
####################################################################
Modified: python/branches/py3k/Lib/test/test_bigmem.py
==============================================================================
--- python/branches/py3k/Lib/test/test_bigmem.py (original)
+++ python/branches/py3k/Lib/test/test_bigmem.py Fri Aug 31 12:37:15 2007
@@ -3,7 +3,6 @@
import unittest
import operator
-import string
import sys
# Bigmem testing houserules:
@@ -376,7 +375,7 @@
@bigmemtest(minsize=_2G, memuse=2)
def test_translate(self, size):
- trans = string.maketrans('.aZ', '-!$')
+ trans = {ord('.'):'-', ord('a'):'!', ord('Z'):'$'}
SUBSTR = 'aZz.z.Aaz.'
sublen = len(SUBSTR)
repeats = size // sublen + 2
Modified: python/branches/py3k/Lib/test/test_string.py
==============================================================================
--- python/branches/py3k/Lib/test/test_string.py (original)
+++ python/branches/py3k/Lib/test/test_string.py Fri Aug 31 12:37:15 2007
@@ -103,10 +103,11 @@
def test_maketrans(self):
- transtable =
'\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037
!"#$%&\'()*+,-./0123456789:;<=>[EMAIL
PROTECTED]|}~\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377'
+ transtable =
b'\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037
!"#$%&\'()*+,-./0123456789:;<=>[EMAIL
PROTECTED]|}~\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377'
- self.assertEqual(string.maketrans('abc', 'xyz'), transtable)
- self.assertRaises(ValueError, string.maketrans, 'abc', 'xyzq')
+ self.assertEqual(string.maketrans(b'abc', b'xyz'), transtable)
+ self.assertRaises(ValueError, string.maketrans, b'abc', b'xyzq')
+ self.assertRaises(TypeError, string.maketrans, 'abc', 'def')
def test_main():
test_support.run_unittest(ModuleTest)
Modified: python/branches/py3k/Lib/textwrap.py
==============================================================================
--- python/branches/py3k/Lib/textwrap.py (original)
+++ python/branches/py3k/Lib/textwrap.py Fri Aug 31 12:37:15 2007
@@ -59,8 +59,6 @@
Drop leading and trailing whitespace from lines.
"""
- whitespace_trans = string.maketrans(_whitespace, ' ' * len(_whitespace))
-
unicode_whitespace_trans = {}
uspace = ord(' ')
for x in _whitespace:
@@ -116,10 +114,7 @@
if self.expand_tabs:
text = text.expandtabs()
if self.replace_whitespace:
- if isinstance(text, str8):
- text = text.translate(self.whitespace_trans)
- elif isinstance(text, str):
- text = text.translate(self.unicode_whitespace_trans)
+ text = text.translate(self.unicode_whitespace_trans)
return text
Modified: python/branches/py3k/Lib/urllib.py
==============================================================================
--- python/branches/py3k/Lib/urllib.py (original)
+++ python/branches/py3k/Lib/urllib.py Fri Aug 31 12:37:15 2007
@@ -1420,7 +1420,6 @@
# Test program
def test(args=[]):
- import string
if not args:
args = [
'/etc/passwd',
@@ -1443,9 +1442,7 @@
fp = open(fn, 'rb')
data = fp.read()
del fp
- if '\r' in data:
- table = string.maketrans("", "")
- data = data.translate(table, "\r")
+ data = data.replace("\r", "")
print(data)
fn, h = None, None
print('-'*40)
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