[Python-checkins] r63498 - in python/trunk: Doc/library/sys.rst Misc/NEWS Python/sysmodule.c
martin.v.loewis
python-checkins at python.org
Tue May 20 10:11:19 CEST 2008
Author: martin.v.loewis
Date: Tue May 20 10:11:19 2008
New Revision: 63498
Log:
Patch #2488: Add sys.maxsize.
Modified:
python/trunk/Doc/library/sys.rst
python/trunk/Misc/NEWS
python/trunk/Python/sysmodule.c
Modified: python/trunk/Doc/library/sys.rst
==============================================================================
--- python/trunk/Doc/library/sys.rst (original)
+++ python/trunk/Doc/library/sys.rst Tue May 20 10:11:19 2008
@@ -521,6 +521,11 @@
is at least 2\*\*31-1. The largest negative integer is ``-maxint-1`` --- the
asymmetry results from the use of 2's complement binary arithmetic.
+.. data:: maxsize
+
+ The largest positive integer supported by the platform's Py_ssize_t type,
+ and thus the maximum size lists, strings, dicts, and many other containers
+ can have.
.. data:: maxunicode
Modified: python/trunk/Misc/NEWS
==============================================================================
--- python/trunk/Misc/NEWS (original)
+++ python/trunk/Misc/NEWS Tue May 20 10:11:19 2008
@@ -12,6 +12,8 @@
Core and Builtins
-----------------
+- Patch #2488: Add sys.maxsize.
+
- Issue #2353: file.xreadlines() now emits a Py3k warning.
- Issue #2863: generators now have a ``gen.__name__`` attribute that
Modified: python/trunk/Python/sysmodule.c
==============================================================================
--- python/trunk/Python/sysmodule.c (original)
+++ python/trunk/Python/sysmodule.c Tue May 20 10:11:19 2008
@@ -992,6 +992,7 @@
Static objects:\n\
\n\
maxint -- the largest supported integer (the smallest is -maxint-1)\n\
+maxsize -- the largest supported length of containers.\n\
maxunicode -- the largest supported character\n\
builtin_module_names -- tuple of module names built into this interpreter\n\
version -- the version of this interpreter as a string\n\
@@ -1345,6 +1346,8 @@
PyString_FromString(Py_GetPrefix()));
SET_SYS_FROM_STRING("exec_prefix",
PyString_FromString(Py_GetExecPrefix()));
+ SET_SYS_FROM_STRING("maxsize",
+ PyInt_FromSsize_t(PY_SSIZE_T_MAX));
SET_SYS_FROM_STRING("maxint",
PyInt_FromLong(PyInt_GetMax()));
SET_SYS_FROM_STRING("py3kwarning",
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