(reviewed by Walter Dörwald)

Will backport.

that yields after a throw().  Make @contextmanager not reraise
exceptions, but return a false value in that case instead.  Add test
cases for both behaviors.

string exception was causing a TypeError.

Adds join() and task_done() methods to track when all enqueued tasks have
been gotten and fully processed by daemon consumer threads.

Cleanup terminated processes as well.
Add cmd attribute to Popen4.

Rename file -> filename to be clear.

Will backport.

commands. If there are active commands when the tests
start, fail, printing these commands.

child process is closed when the test completes.

and later versions because they bumped the default setting to
get our basic tests to run correctly..

BSD make stops the build when it tries to expand wild cards on empty
directories.

wrt to ssize_t.

to stop truncating it.

Fix crash when a Unicode string containing an encoding declaration is
compile()d. Fixes #1115379.