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| author | Martin v. Löwis <martin@v.loewis.de> | 2008-05-20 08:11:19 (GMT) |
|---|---|---|
| committer | Martin v. Löwis <martin@v.loewis.de> | 2008-05-20 08:11:19 (GMT) |
| commit | 4dd019fde36b53b30e69a2ce9cee3f2f9f25c2a6 (patch) | |
| tree | 49969f2e7cf34f52d29252ecc038a35362f77246 | |
| parent | b7e419ebb9c815ad74d20e6e26f61b56eb2bc929 (diff) | |
| download | cpython-4dd019fde36b53b30e69a2ce9cee3f2f9f25c2a6.zip cpython-4dd019fde36b53b30e69a2ce9cee3f2f9f25c2a6.tar.gz cpython-4dd019fde36b53b30e69a2ce9cee3f2f9f25c2a6.tar.bz2 | |
Patch #2488: Add sys.maxsize.
| -rw-r--r-- | Doc/library/sys.rst | 5 | ||||
| -rw-r--r-- | Misc/NEWS | 2 | ||||
| -rw-r--r-- | Python/sysmodule.c | 3 |
3 files changed, 10 insertions, 0 deletions
diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst index 4f6416f..390f73d 100644 --- a/Doc/library/sys.rst +++ b/Doc/library/sys.rst @@ -521,6 +521,11 @@ always available. 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 @@ -12,6 +12,8 @@ What's New in Python 2.6 beta 1? 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 diff --git a/Python/sysmodule.c b/Python/sysmodule.c index c884250..f706a7d 100644 --- a/Python/sysmodule.c +++ b/Python/sysmodule.c @@ -992,6 +992,7 @@ PyDoc_STR( 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 @@ _PySys_Init(void) 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", |