Close #23904: fix pathlib documentation misleadingly mentioning that bytes objects are accepted in the PurePath constructor

Close #23904: fix pathlib documentation misleadingly mentioning that bytes objects are accepted in the PurePath constructor

Patch by James Edwards.

Patch by James Edwards.

GzipFile, BZ2File or LZMAFile.  This defeats denial of service attacks
using compressed bombs (i.e. compressed payloads which decompress to a huge
size).

Patch by Martin Panter and Nikolaus Rath.

Patch by Alex Gaynor.

Patch by Alex Gaynor.

TestHelpVersionOptional was redundant.

TestHelpVersionOptional was redundant.

robust at shutdown. If needs to release multiple resources, they are released
even if errors are occured.

robust at shutdown. If needs to release multiple resources, they are released
even if errors are occured.

The fix has moved in this branch.  Also, the opt-in is already available
on this branch; just set nasmDir when building.

This will prevent failures from the version of NASM installed on buildbots,
if the ability to override the version used is desired again later, we can
figure out a way to opt in.

Builds using prepared sources that had Perl available anyway were broken
by the previous fix to this script (oops).

systems, instead of just "1".