bpo-32154: Remove asyncio.windows_utils.socketpair (#4609)
diff --git a/Lib/asyncio/windows_utils.py b/Lib/asyncio/windows_utils.py
index d65ea17..3b41097 100644
--- a/Lib/asyncio/windows_utils.py
+++ b/Lib/asyncio/windows_utils.py
@@ -17,7 +17,7 @@
import warnings
-__all__ = ['socketpair', 'pipe', 'Popen', 'PIPE', 'PipeHandle']
+__all__ = ['pipe', 'Popen', 'PIPE', 'PipeHandle']
# Constants/globals
@@ -29,54 +29,6 @@
_mmap_counter = itertools.count()
-if hasattr(socket, 'socketpair'):
- # Since Python 3.5, socket.socketpair() is now also available on Windows
- socketpair = socket.socketpair
-else:
- # Replacement for socket.socketpair()
- def socketpair(family=socket.AF_INET, type=socket.SOCK_STREAM, proto=0):
- """A socket pair usable as a self-pipe, for Windows.
-
- Origin: https://gist.github.com/4325783, by Geert Jansen.
- Public domain.
- """
- if family == socket.AF_INET:
- host = '127.0.0.1'
- elif family == socket.AF_INET6:
- host = '::1'
- else:
- raise ValueError("Only AF_INET and AF_INET6 socket address "
- "families are supported")
- if type != socket.SOCK_STREAM:
- raise ValueError("Only SOCK_STREAM socket type is supported")
- if proto != 0:
- raise ValueError("Only protocol zero is supported")
-
- # We create a connected TCP socket. Note the trick with setblocking(0)
- # that prevents us from having to create a thread.
- lsock = socket.socket(family, type, proto)
- try:
- lsock.bind((host, 0))
- lsock.listen(1)
- # On IPv6, ignore flow_info and scope_id
- addr, port = lsock.getsockname()[:2]
- csock = socket.socket(family, type, proto)
- try:
- csock.setblocking(False)
- try:
- csock.connect((addr, port))
- except (BlockingIOError, InterruptedError):
- pass
- csock.setblocking(True)
- ssock, _ = lsock.accept()
- except:
- csock.close()
- raise
- finally:
- lsock.close()
- return (ssock, csock)
-
-
# Replacement for os.pipe() using handles instead of fds