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authorAntoine Pitrou <solipsis@pitrou.net>2010-12-21 18:56:38 (GMT)
committerAntoine Pitrou <solipsis@pitrou.net>2010-12-21 18:56:38 (GMT)
commit9fc6b6c4536417283c6f52b6dfb4c82afb372448 (patch)
tree4aa959661d51cacc741cb973a424d4f878cbb6c7 /Doc
parentc7611d1126708f6d39ddb04b4602655870ec5168 (diff)
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Merged revisions 87421 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ 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) ........
Diffstat (limited to 'Doc')
-rw-r--r--Doc/library/platform.rst12
1 files changed, 11 insertions, 1 deletions
diff --git a/Doc/library/platform.rst b/Doc/library/platform.rst
index f4ef680..56518f7 100644
--- a/Doc/library/platform.rst
+++ b/Doc/library/platform.rst
@@ -36,6 +36,16 @@ 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()
@@ -186,7 +196,7 @@ 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.