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author | Raymond Hettinger <python@rcn.com> | 2010-09-05 01:00:19 (GMT) |
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committer | Raymond Hettinger <python@rcn.com> | 2010-09-05 01:00:19 (GMT) |
commit | 1784ff024985d827d15a51e6bd3960ca2355260f (patch) | |
tree | 89622dbb683d9ff3bd57d1599b857a1ba595e911 /Doc | |
parent | 46462f3fb3f045f1fec779ba5f9e88dbc3690ef5 (diff) | |
download | cpython-1784ff024985d827d15a51e6bd3960ca2355260f.zip cpython-1784ff024985d827d15a51e6bd3960ca2355260f.tar.gz cpython-1784ff024985d827d15a51e6bd3960ca2355260f.tar.bz2 |
More updates to whatsnew
Diffstat (limited to 'Doc')
-rw-r--r-- | Doc/whatsnew/3.2.rst | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/Doc/whatsnew/3.2.rst b/Doc/whatsnew/3.2.rst index 8484c65..48c0c58 100644 --- a/Doc/whatsnew/3.2.rst +++ b/Doc/whatsnew/3.2.rst @@ -141,7 +141,22 @@ Other Language Changes Some smaller changes made to the core Python language are: -* Stub +* The :func:`hasattr` function used to catch and suppress any Exception. + Now, it only catches :exc:`AttributeError`. Under the hood, :func:`hasattr` + works by calling :func:`getattr` and throwing away the results. This is + necessary because dynamic attribute creation is possible using + :meth:`__getattribute__` or :meth:`__getattr`. If :func:`hasattr` were to + just scan instance and class dictionaries it would miss the dynmaic methods + and make it difficult to implement proxy objects. + + (Discovered by Yury Selivanov and fixed by Benjamin Peterson; :issue:`9666`.) + +* The :func:`str` of a float or complex number is now the same as it + :func:`repr`. Previously, the :func:`str` form was shorter but that just + caused confusion and is no longer needed now that we the shortest possible + :func:`repr` is displayed by default. + + (Proposed and implemented by Mark Dickinson; :issue:`9337`). New, Improved, and Deprecated Modules @@ -342,8 +357,19 @@ Build and C API Changes Changes to Python's build process and to the C API include: -* Stub +* The C functions that access the Unicode Database now accept and + return characters from the full Unicode range, even on narrow unicode builds + (Py_UNICODE_TOLOWER, Py_UNICODE_ISDECIMAL, and others). A visible difference + in Python is that :cfunc:`unicodedata.numeric` now returns the correct value for + large code points, and :func:`repr` may consider more characters as printable. + + (Reported by Bupjoe Lee and fixed by Amaury Forgeot D'Arc; :issue:`5127`.) + +* Computed gotos are now enabled by default on supported + compilers (which are detected by the configure script). They can still + be disable selectively by specifying ``--without-computed-gotos``. + (:issue:`9203`) Porting to Python 3.2 ===================== |