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| author | Antoine Pitrou <solipsis@pitrou.net> | 2010-12-21 18:56:45 (GMT) |
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| committer | Antoine Pitrou <solipsis@pitrou.net> | 2010-12-21 18:56:45 (GMT) |
| commit | 5cf36729994491329168f0cebea128fd1f7bb72d (patch) | |
| tree | cd34ddc4a08490df144f628d89a3ef3f477c94e7 | |
| parent | c132b590b6abcd0b50c53c8049a0f0e77d47fb63 (diff) | |
| download | cpython-5cf36729994491329168f0cebea128fd1f7bb72d.zip cpython-5cf36729994491329168f0cebea128fd1f7bb72d.tar.gz cpython-5cf36729994491329168f0cebea128fd1f7bb72d.tar.bz2 | |
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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| -rw-r--r-- | Doc/library/platform.rst | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/Doc/library/platform.rst b/Doc/library/platform.rst index b98d992..7802422 100644 --- a/Doc/library/platform.rst +++ b/Doc/library/platform.rst @@ -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. |