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bpo-32193: Convert asyncio to async/await usage (#4753)

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* Convert asyncio/tasks.py to async/await

* Convert asyncio/queues.py to async/await

* Convert asyncio/test_utils.py to async/await

* Convert asyncio/base_subprocess.py to async/await

* Convert asyncio/subprocess.py to async/await

* Convert asyncio/streams.py to async/await

* Fix comments

* Convert asyncio/locks.py to async/await

* Convert asyncio.sleep to async def

* Add a comment

* Add missing news

* Convert stubs from AbstrctEventLoop to async functions

* Convert subprocess_shell/subprocess_exec

* Convert connect_read_pipe/connect_write_pip to async/await syntax

* Convert create_datagram_endpoint

* Convert create_unix_server/create_unix_connection

* Get rid of old style coroutines in unix_events.py

* Convert selector_events.py to async/await

* Convert wait_closed and create_connection

* Drop redundant line

* Convert base_events.py

* Code cleanup

* Drop redundant comments

* Fix indentation

* Add explicit tests for compatibility between old and new coroutines

* Convert windows event loop to use async/await

* Fix double awaiting of async function

* Convert asyncio/locks.py

* Improve docstring

* Convert tests to async/await

* Convert more tests

* Convert more tests

* Convert more tests

* Convert tests

* Improve test
This commit is contained in:
Andrew Svetlov 2017-12-09 00:23:48 +02:00 • committed by GitHub
parent ede157331b
commit 5f841b5538
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22 changed files with 647 additions and 771 deletions
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15
Lib/asyncio/selector_events.py
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@ -24,7 +24,6 @@
from . import futures
from . import transports
from . import sslproto
from .coroutines import coroutine
from .log import logger
@ -189,9 +188,8 @@ def _accept_connection(self, protocol_factory, sock,
sslcontext, server)
self.create_task(accept)
@coroutine
def _accept_connection2(self, protocol_factory, conn, extra,
sslcontext=None, server=None):
async def _accept_connection2(self, protocol_factory, conn, extra,
sslcontext=None, server=None):
protocol = None
transport = None
try:
@ -207,7 +205,7 @@ def _accept_connection2(self, protocol_factory, conn, extra,
server=server)
try:
yield from waiter
await waiter
except:
transport.close()
raise
@ -452,8 +450,7 @@ def _sock_sendall(self, fut, registered_fd, sock, data):
fd = sock.fileno()
self.add_writer(fd, self._sock_sendall, fut, fd, sock, data)
@coroutine
def sock_connect(self, sock, address):
async def sock_connect(self, sock, address):
"""Connect to a remote socket at address.
This method is a coroutine.
@ -465,12 +462,12 @@ def sock_connect(self, sock, address):
resolved = base_events._ensure_resolved(
address, family=sock.family, proto=sock.proto, loop=self)
if not resolved.done():
yield from resolved
await resolved
_, _, _, _, address = resolved.result()[0]
fut = self.create_future()
self._sock_connect(fut, sock, address)
return (yield from fut)
return await fut
def _sock_connect(self, fut, sock, address):
fd = sock.fileno()