This worked by accident on Linux because the SOCK_STREAM was returned
first, but on the FreeBSD the SOCK_DGRAM is first in the list.

Patch by Claudiu Popa.

Patch by Milan Oberkirch.

Eventually these will want to convert to decode_data=False, I think.

Otherwise smtpd is restricted to 7bit clean data, since even if the
incoming data is actually utf-8, it will often break things to decode
it before parsing the message.

Patch by Maciej Szulik, with some adjustments (mostly the warning
support).

(issues #21677, #21310).

(issues #21677, #21310).

fix issue #17552: add socket.sendfile() method allowing to send a file over a socket by using high-performance os.sendfile() on UNIX. Patch by Giampaolo Rodola'·

flag has the value 'n'.  Patch by Claudiu Popa.

Initial patch by Olive Kilburn.

must not be empty.

be empty.

Add BaseEventLoop._closed attribute and use it to check if the event loop was
closed or not, instead of checking different attributes in each subclass of
BaseEventLoop.

run_forever() and run_until_complete() methods now raise a RuntimeError('Event loop is
closed') exception if the event loop was closed.

BaseProactorEventLoop.close() now also cancels "accept futures".

while still being written to. With no console, this closed Idle.
Also add missing import and a few other changes.

Patch by Milan Oberkirch.

Printout of keyword args should be in deterministic order in
a mock function call. This will help to write better doctests.