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Merged revisions 87421 via svnmerge from 

svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r87421 | antoine.pitrou | 2010-12-21 19:49:01 +0100 (mar., 21 déc. 2010) | 4 lines

  Suggest sys.maxsize as a reliable way to know whether the interpreter is 64-bit.
  (part of #10735)
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This commit is contained in:
Antoine Pitrou 2010-12-21 18:56:45 +00:00
parent c132b590b6
commit 5cf3672999
1 changed files with 11 additions and 1 deletions
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Doc/library/platform.rst
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@ -38,6 +38,16 @@ Cross Platform
and then only if the executable points to the Python interpreter. Reasonable
defaults are used when the above needs are not met.
.. note::
On Mac OS X (and perhaps other platforms), executable files may be
universal files containing multiple architectures.
To get at the "64-bitness" of the current interpreter, it is more
reliable to query the :attr:`sys.maxsize` attribute::
is_64bits = sys.maxsize > 2**32
.. function:: machine()
@ -194,7 +204,7 @@ Windows Platform
.. note::
Note: this function works best with Mark Hammond's
This function works best with Mark Hammond's
:mod:`win32all` package installed, but also on Python 2.3 and
later (support for this was added in Python 2.6). It obviously
only runs on Win32 compatible platforms.