Update examples to python 3.7 and add some other minor improvements

Author: ronf

examples/callback_client.py

@@ -1,6 +1,6 @@
-#!/usr/bin/env python3.6
+#!/usr/bin/env python3.7
 #
-# Copyright (c) 2013-2021 by Ron Frederick <[email protected]> and others.
+# Copyright (c) 2013-2024 by Ron Frederick <[email protected]> and others.
 #
 # This program and the accompanying materials are made available under
 # the terms of the Eclipse Public License v2.0 which accompanies this
@@ -46,6 +46,6 @@ async def run_client() -> None:
         await chan.wait_closed()
 
 try:
-    asyncio.get_event_loop().run_until_complete(run_client())
+    asyncio.run(run_client())
 except (OSError, asyncssh.Error) as exc:
     sys.exit('SSH connection failed: ' + str(exc))

examples/callback_client2.py

@@ -1,6 +1,6 @@
-#!/usr/bin/env python3.6
+#!/usr/bin/env python3.7
 #
-# Copyright (c) 2013-2021 by Ron Frederick <[email protected]> and others.
+# Copyright (c) 2013-2024 by Ron Frederick <[email protected]> and others.
 #
 # This program and the accompanying materials are made available under
 # the terms of the Eclipse Public License v2.0 which accompanies this
@@ -37,6 +37,6 @@ async def run_client() -> None:
         await chan.wait_closed()
 
 try:
-    asyncio.get_event_loop().run_until_complete(run_client())
+    asyncio.run(run_client())
 except (OSError, asyncssh.Error) as exc:
     sys.exit('SSH connection failed: ' + str(exc))

examples/callback_client3.py

@@ -1,6 +1,6 @@
-#!/usr/bin/env python3.6
+#!/usr/bin/env python3.7
 #
-# Copyright (c) 2013-2021 by Ron Frederick <[email protected]> and others.
+# Copyright (c) 2013-2024 by Ron Frederick <[email protected]> and others.
 #
 # This program and the accompanying materials are made available under
 # the terms of the Eclipse Public License v2.0 which accompanies this
@@ -40,6 +40,6 @@ async def run_client() -> None:
         await chan.wait_closed()
 
 try:
-    asyncio.get_event_loop().run_until_complete(run_client())
+    asyncio.run(run_client())
 except (OSError, asyncssh.Error) as exc:
     sys.exit('SSH connection failed: ' + str(exc))

examples/callback_math_server.py

@@ -1,6 +1,6 @@
-#!/usr/bin/env python3.6
+#!/usr/bin/env python3.7
 #
-# Copyright (c) 2013-2021 by Ron Frederick <[email protected]> and others.
+# Copyright (c) 2013-2024 by Ron Frederick <[email protected]> and others.
 #
 # This program and the accompanying materials are made available under
 # the terms of the Eclipse Public License v2.0 which accompanies this
@@ -64,6 +64,9 @@ def eof_received(self) -> bool:
     def break_received(self, msec: int) -> bool:
         return self.eof_received()
 
+    def soft_eof_received(self) -> None:
+        self.eof_received()
+
 class MySSHServer(asyncssh.SSHServer):
     def session_requested(self) -> asyncssh.SSHServerSession:
         return MySSHServerSession()
@@ -73,7 +76,7 @@ async def start_server() -> None:
                                  server_host_keys=['ssh_host_key'],
                                  authorized_client_keys='ssh_user_ca')
 
-loop = asyncio.get_event_loop()
+loop = asyncio.new_event_loop()
 
 try:
     loop.run_until_complete(start_server())

examples/chat_server.py

@@ -1,6 +1,6 @@
-#!/usr/bin/env python3.6
+#!/usr/bin/env python3.7
 #
-# Copyright (c) 2016-2021 by Ron Frederick <[email protected]> and others.
+# Copyright (c) 2016-2024 by Ron Frederick <[email protected]> and others.
 #
 # This program and the accompanying materials are made available under
 # the terms of the Eclipse Public License v2.0 which accompanies this
@@ -76,7 +76,7 @@ async def start_server() -> None:
                           authorized_client_keys='ssh_user_ca',
                           process_factory=ChatClient.handle_client)
 
-loop = asyncio.get_event_loop()
+loop = asyncio.new_event_loop()
 
 try:
     loop.run_until_complete(start_server())

examples/check_exit_status.py

@@ -1,6 +1,6 @@
-#!/usr/bin/env python3.6
+#!/usr/bin/env python3.7
 #
-# Copyright (c) 2013-2021 by Ron Frederick <[email protected]> and others.
+# Copyright (c) 2013-2024 by Ron Frederick <[email protected]> and others.
 #
 # This program and the accompanying materials are made available under
 # the terms of the Eclipse Public License v2.0 which accompanies this
@@ -34,6 +34,6 @@ async def run_client() -> None:
                   file=sys.stderr)
 
 try:
-    asyncio.get_event_loop().run_until_complete(run_client())
+    asyncio.run(run_client())
 except (OSError, asyncssh.Error) as exc:
     sys.exit('SSH connection failed: ' + str(exc))

examples/chroot_sftp_server.py

@@ -1,6 +1,6 @@
-#!/usr/bin/env python3.6
+#!/usr/bin/env python3.7
 #
-# Copyright (c) 2016-2021 by Ron Frederick <[email protected]> and others.
+# Copyright (c) 2016-2024 by Ron Frederick <[email protected]> and others.
 #
 # This program and the accompanying materials are made available under
 # the terms of the Eclipse Public License v2.0 which accompanies this
@@ -40,7 +40,7 @@ async def start_server() -> None:
                           authorized_client_keys='ssh_user_ca',
                           sftp_factory=MySFTPServer)
 
-loop = asyncio.get_event_loop()
+loop = asyncio.new_event_loop()
 
 try:
     loop.run_until_complete(start_server())

examples/direct_client.py

@@ -1,6 +1,6 @@
-#!/usr/bin/env python3.6
+#!/usr/bin/env python3.7
 #
-# Copyright (c) 2013-2021 by Ron Frederick <[email protected]> and others.
+# Copyright (c) 2013-2024 by Ron Frederick <[email protected]> and others.
 #
 # This program and the accompanying materials are made available under
 # the terms of the Eclipse Public License v2.0 which accompanies this
@@ -44,6 +44,6 @@ async def run_client() -> None:
         await chan.wait_closed()
 
 try:
-    asyncio.get_event_loop().run_until_complete(run_client())
+    asyncio.run(run_client())
 except (OSError, asyncssh.Error) as exc:
     sys.exit('SSH connection failed: ' + str(exc))

examples/direct_server.py

@@ -1,6 +1,6 @@
-#!/usr/bin/env python3.6
+#!/usr/bin/env python3.7
 #
-# Copyright (c) 2013-2021 by Ron Frederick <[email protected]> and others.
+# Copyright (c) 2013-2024 by Ron Frederick <[email protected]> and others.
 #
 # This program and the accompanying materials are made available under
 # the terms of the Eclipse Public License v2.0 which accompanies this
@@ -52,7 +52,7 @@ async def start_server() -> None:
                                  server_host_keys=['ssh_host_key'],
                                  authorized_client_keys='ssh_user_ca')
 
-loop = asyncio.get_event_loop()
+loop = asyncio.new_event_loop()
 
 try:
     loop.run_until_complete(start_server())

examples/editor.py

@@ -1,6 +1,6 @@
-#!/usr/bin/env python3.6
+#!/usr/bin/env python3.7
 #
-# Copyright (c) 2013-2021 by Ron Frederick <[email protected]> and others.
+# Copyright (c) 2013-2024 by Ron Frederick <[email protected]> and others.
 #
 # This program and the accompanying materials are made available under
 # the terms of the Eclipse Public License v2.0 which accompanies this
@@ -53,7 +53,7 @@ async def start_server() -> None:
                           authorized_client_keys='ssh_user_ca',
                           process_factory=handle_client)
 
-loop = asyncio.get_event_loop()
+loop = asyncio.new_event_loop()
 
 try:
     loop.run_until_complete(start_server())