Updated new property syntax. An elaborate example for subclassing and the getter was missing.

Added comment about VS 2008 and PGO builds.
This commit is contained in:
Christian Heimes 2008-01-17 23:01:44 +00:00
parent d0ab014b5e
commit ff6cc6b8ef
1 changed files with 22 additions and 4 deletions

View File

@ -652,10 +652,10 @@ Here are all of the changes that Python 2.6 makes to the core Python language.
.. Revision 57619
* Properties now have two attributes,
* Properties now have three attributes, :attr:`getter`,
:attr:`setter` and :attr:`deleter`, that are useful shortcuts for
adding a setter or deleter function to an existing property.
You would use them like this::
adding or modifying a getter, setter or deleter function to an
existing property. You would use them like this::
class C(object):
@property
@ -670,6 +670,15 @@ Here are all of the changes that Python 2.6 makes to the core Python language.
def x(self):
del self._x
class D(C):
@C.x.getter
def x(self):
return self._x * 2
@x.setter
def x(self, value):
self._x = value / 2
* C functions and methods that use
:cfunc:`PyComplex_AsCComplex` will now accept arguments that
@ -1336,6 +1345,7 @@ Port-Specific Changes: Windows
API. The :func:`getwch` function reads a keypress and returns a Unicode
value, as does the :func:`getwche` function. The :func:`putwch` function
takes a Unicode character and writes it to the console.
(Contributed by Christian Heimes.)
* :func:`os.path.expandvars` will now expand environment variables
in the form "%var%", and "~user" will be expanded into the
@ -1350,7 +1360,15 @@ Port-Specific Changes: Windows
that expands environment variable references such as ``%NAME%``
in an input string. The handle objects provided by this
module now support the context protocol, so they can be used
in :keyword:`with` statements.
in :keyword:`with` statements. (Contributed by Christian Heimes.)
* The new default compiler on Windows is Visual Studio 2008 (VS 9.0). The
build directories for Visual Studio 2003 (VS7.1) and 2005 (VS8.0)
were moved into the PC/ directory. The new PCbuild directory supports
cross compilation for X64, debug builds and Profile Guided Optimization
(PGO). PGO builds are roughly 10% faster than normal builds.
(Contributed by Christian Heimes with help from Amaury Forgeot d'Arc and
Martin von Loewis.)
.. ======================================================================