[Python-Dev] Py_SIZE vs PyXXX_GET_SIZE
Antoine Pitrou
solipsis at pitrou.net
Mon Mar 20 16:18:30 EDT 2017
On Mon, 20 Mar 2017 13:26:34 +0200
Serhiy Storchaka <storchaka at gmail.com> wrote:
> What is the preferable way of getting the size of tuple, list, bytes,
> bytearray: Py_SIZE or PyTuple_GET_SIZE, PyList_GET_SIZE,
> PyBytes_GET_SIZE, PyByteArray_GET_SIZE? Are macros for concrete types
> more preferable or they are outdated?
+1 for using concrete macros. Py_SIZE is a low-level internal thing
(e.g. it will return a negative size on negative ints).
Regards
Antoine.
More information about the Python-Dev
mailing list