Merged revisions 70768,71657,71721,71729,71794,71976,72036-72037,72079,72085,72131-72134,72191,72197-72198,72219,72221,72225,72303,72434,72467,72476 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
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r70768 | andrew.kuchling | 2009-03-30 17:29:15 -0500 (Mon, 30 Mar 2009) | 1 line
Typo fixes
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r71657 | vinay.sajip | 2009-04-16 14:07:37 -0500 (Thu, 16 Apr 2009) | 1 line
Issue #5768: Change to Unicode output logic and test case for same.
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r71721 | benjamin.peterson | 2009-04-18 14:26:19 -0500 (Sat, 18 Apr 2009) | 1 line
fix a few nits in unittest.py #5771
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r71729 | benjamin.peterson | 2009-04-18 16:03:10 -0500 (Sat, 18 Apr 2009) | 1 line
move test to a more appropiate one
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r71794 | vinay.sajip | 2009-04-22 07:10:47 -0500 (Wed, 22 Apr 2009) | 2 lines
Issue #5170: Fixed regression caused when fixing #5768.
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r71976 | mark.dickinson | 2009-04-26 14:54:55 -0500 (Sun, 26 Apr 2009) | 2 lines
Fix typo in function name
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r72036 | georg.brandl | 2009-04-27 12:04:23 -0500 (Mon, 27 Apr 2009) | 1 line
#5848: small unittest doc patch.
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r72037 | georg.brandl | 2009-04-27 12:09:53 -0500 (Mon, 27 Apr 2009) | 1 line
#5840: dont claim we dont support TLS.
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r72079 | r.david.murray | 2009-04-28 14:02:55 -0500 (Tue, 28 Apr 2009) | 2 lines
Remove spurious 'u'.
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r72085 | georg.brandl | 2009-04-28 16:48:35 -0500 (Tue, 28 Apr 2009) | 1 line
Make the doctests in the docs pass, except for those in the turtle module.
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r72131 | benjamin.peterson | 2009-04-29 17:43:35 -0500 (Wed, 29 Apr 2009) | 1 line
fix test_shutil on ZFS #5676
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r72132 | georg.brandl | 2009-04-29 17:44:07 -0500 (Wed, 29 Apr 2009) | 1 line
#5878: fix repr of re object.
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r72133 | benjamin.peterson | 2009-04-29 17:44:15 -0500 (Wed, 29 Apr 2009) | 1 line
make sure mode is removable while cleaning up test droppings
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r72134 | benjamin.peterson | 2009-04-29 19:06:33 -0500 (Wed, 29 Apr 2009) | 1 line
make sure to close file
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r72191 | michael.foord | 2009-05-02 06:43:06 -0500 (Sat, 02 May 2009) | 9 lines
Adds an exit parameter to unittest.main(). If False main no longer
calls sys.exit.
Closes issue 3379.
Michael Foord
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r72197 | benjamin.peterson | 2009-05-02 11:24:37 -0500 (Sat, 02 May 2009) | 1 line
don't let sys.argv be used in the tests
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r72198 | andrew.kuchling | 2009-05-02 12:12:15 -0500 (Sat, 02 May 2009) | 1 line
Add items
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r72219 | michael.foord | 2009-05-02 15:15:05 -0500 (Sat, 02 May 2009) | 8 lines
Add addCleanup and doCleanups to unittest.TestCase.
Closes issue 5679.
Michael Foord
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r72221 | benjamin.peterson | 2009-05-02 15:26:53 -0500 (Sat, 02 May 2009) | 1 line
add myself
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r72225 | michael.foord | 2009-05-02 17:43:34 -0500 (Sat, 02 May 2009) | 1 line
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r72303 | benjamin.peterson | 2009-05-04 19:55:24 -0500 (Mon, 04 May 2009) | 1 line
using sys._getframe(x), where x > 0 doesnt' work on IronPython
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r72434 | r.david.murray | 2009-05-07 13:09:58 -0500 (Thu, 07 May 2009) | 2 lines
Pre-opened test file needs to be opened in binary mode.
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r72467 | georg.brandl | 2009-05-08 07:17:34 -0500 (Fri, 08 May 2009) | 1 line
Fix name.
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r72476 | thomas.heller | 2009-05-08 15:09:40 -0500 (Fri, 08 May 2009) | 4 lines
Add a file that contains diffs between offical libffi files and the
files in this repository. Should make it easier to merge new libffi
versions.
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diff --git a/Doc/whatsnew/2.7.rst b/Doc/whatsnew/2.7.rst
index f7dab79..9182c45 100644
--- a/Doc/whatsnew/2.7.rst
+++ b/Doc/whatsnew/2.7.rst
@@ -121,6 +121,31 @@
(Contributed by Fredrik Johansson and Victor Stinner; :issue:`3439`.)
+* Conversions from long integers and regular integers to floating
+ point now round differently, returning the floating-point number
+ closest to the number. This doesn't matter for small integers that
+ can be converted exactly, but for large numbers that will
+ unavoidably lose precision, Python 2.7 will now approximate more
+ closely. For example, Python 2.6 computed the following::
+
+ >>> n = 295147905179352891391
+ >>> float(n)
+ 2.9514790517935283e+20
+ >>> n - long(float(n))
+ 65535L
+
+ Python 2.7's floating-point result is larger, but much closer to the
+ true value::
+
+ >>> n = 295147905179352891391
+ >>> float(n)
+ 2.9514790517935289e+20
+ >>> n-long(float(n)
+ ... )
+ -1L
+
+ (Implemented by Mark Dickinson; :issue:`3166`.)
+
* The :class:`bytearray` type's :meth:`translate` method will
now accept ``None`` as its first argument. (Fixed by Georg Brandl;
:issue:`4759`.)
@@ -220,21 +245,24 @@
* New class: the :class:`Counter` class in the :mod:`collections` module is
useful for tallying data. :class:`Counter` instances behave mostly
like dictionaries but return zero for missing keys instead of
- raising a :exc:`KeyError`::
+ raising a :exc:`KeyError`:
- >>> from collections import Counter
- >>> c=Counter()
- >>> for letter in 'here is a sample of english text':
- ... c[letter] += 1
- ...
- >>> c
- Counter({' ': 6, 'e': 5, 's': 3, 'a': 2, 'i': 2, 'h': 2,
- 'l': 2, 't': 2, 'g': 1, 'f': 1, 'm': 1, 'o': 1, 'n': 1,
- 'p': 1, 'r': 1, 'x': 1})
- >>> c['e']
- 5
- >>> c['z']
- 0
+ .. doctest::
+ :options: +NORMALIZE_WHITESPACE
+
+ >>> from collections import Counter
+ >>> c = Counter()
+ >>> for letter in 'here is a sample of english text':
+ ... c[letter] += 1
+ ...
+ >>> c
+ Counter({' ': 6, 'e': 5, 's': 3, 'a': 2, 'i': 2, 'h': 2,
+ 'l': 2, 't': 2, 'g': 1, 'f': 1, 'm': 1, 'o': 1, 'n': 1,
+ 'p': 1, 'r': 1, 'x': 1})
+ >>> c['e']
+ 5
+ >>> c['z']
+ 0
There are two additional :class:`Counter` methods: :meth:`most_common`
returns the N most common elements and their counts, and :meth:`elements`
@@ -247,7 +275,7 @@
'a', 'a', ' ', ' ', ' ', ' ', ' ', ' ',
'e', 'e', 'e', 'e', 'e', 'g', 'f', 'i', 'i',
'h', 'h', 'm', 'l', 'l', 'o', 'n', 'p', 's',
- 's', 's', 'r', 't', 't', 'x']
+ 's', 's', 'r', 't', 't', 'x'
Contributed by Raymond Hettinger; :issue:`1696199`.
@@ -257,7 +285,8 @@
renamed to legal names that are derived from the field's
position within the list of fields:
- >>> T=namedtuple('T', ['field1', '$illegal', 'for', 'field2'], rename=True)
+ >>> from collections import namedtuple
+ >>> T = namedtuple('T', ['field1', '$illegal', 'for', 'field2'], rename=True)
>>> T._fields
('field1', '_1', '_2', 'field2')
@@ -294,6 +323,10 @@
``Decimal('0.1000000000000000055511151231257827021181583404541015625')``.
(Implemented by Raymond Hettinger; :issue:`4796`.)
+* The :class:`Fraction` class will now accept two rational numbers
+ as arguments to its constructor.
+ (Implemented by Mark Dickinson; :issue:`5812`.)
+
* New function: the :mod:`gc` module's :func:`is_tracked` returns
true if a given instance is tracked by the garbage collector, false
otherwise. (Contributed by Antoine Pitrou; :issue:`4688`.)
@@ -419,6 +452,13 @@
(Implemented by Antoine Pitrou; :issue:`4444`.)
+ The methods :meth:`addCleanup` and :meth:`doCleanups` were added.
+ :meth:`addCleanup` allows you to add cleanup functions that
+ will be called unconditionally (after :meth:`setUp` if
+ :meth:`setUp` fails, otherwise after :meth:`tearDown`). This allows
+ for much simpler resource allocation and deallocation during tests.
+ :issue:`5679`
+
A number of new methods were added that provide more specialized
tests. Many of these methods were written by Google engineers
for use in their test suites; Gregory P. Smith, Michael Foord, and
@@ -473,6 +513,14 @@
to provide additional information about why the two objects are
matching, much as the new sequence comparison methods do.
+ :func:`unittest.main` now takes an optional ``exit`` argument.
+ If False ``main`` doesn't call :func:`sys.exit` allowing it to
+ be used from the interactive interpreter. :issue:`3379`.
+
+ :class:`TestResult` has new :meth:`startTestRun` and
+ :meth:`stopTestRun` methods; called immediately before
+ and after a test run. :issue:`5728` by Robert Collins.
+
* The :func:`is_zipfile` function in the :mod:`zipfile` module will now
accept a file object, in addition to the path names accepted in earlier
versions. (Contributed by Gabriel Genellina; :issue:`4756`.)
@@ -553,6 +601,10 @@
is particularly useful for asynchronous IO operations.
(Contributed by Kristjan Valur Jonsson; :issue:`4293`.)
+* Global symbols defined by the :mod:`ctypes` module are now prefixed
+ with ``Py`, or with ``_ctypes``. (Implemented by Thomas
+ Heller; :issue:`3102`.)
+
* The :program:`configure` script now checks for floating-point rounding bugs
on certain 32-bit Intel chips and defines a :cmacro:`X87_DOUBLE_ROUNDING`
preprocessor definition. No code currently uses this definition,
@@ -591,10 +643,10 @@
* When importing a module from a :file:`.pyc` or :file:`.pyo` file
with an existing :file:`.py` counterpart, the :attr:`co_filename`
- attributes of all code objects if the original filename is obsolete,
- which can happen if the file has been renamed, moved, or is accessed
- through different paths. (Patch by Ziga Seilnacht and Jean-Paul
- Calderone; :issue:`1180193`.)
+ attributes of the resulting code objects are overwritten when the
+ original filename is obsolete. This can happen if the file has been
+ renamed, moved, or is accessed through different paths. (Patch by
+ Ziga Seilnacht and Jean-Paul Calderone; :issue:`1180193`.)
* The :file:`regrtest.py` script now takes a :option:`--randseed=`
switch that takes an integer that will be used as the random seed