Conservative approach to supported versions of Python 3.4 and asyncio.ensure_future, Ref. #1269

gns3server/compute/dynamips/__init__.py

@@ -34,7 +34,7 @@ import re
 log = logging.getLogger(__name__)
 
 from gns3server.utils.interfaces import interfaces, is_interface_up
-from gns3server.utils.asyncio import wait_run_in_executor
+from gns3server.utils.asyncio import wait_run_in_executor, asyncio_ensure_future
 from gns3server.utils import parse_version
 from uuid import uuid4
 from ..base_manager import BaseManager
@@ -172,7 +172,7 @@ class Dynamips(BaseManager):
 
         tasks = []
         for device in self._devices.values():
-            tasks.append(asyncio.ensure_future(device.hypervisor.stop()))
+            tasks.append(asyncio_ensure_future(device.hypervisor.stop()))
 
         if tasks:
             done, _ = yield from asyncio.wait(tasks)
@@ -196,7 +196,7 @@ class Dynamips(BaseManager):
         tasks = []
         for device in self._devices.values():
             if device.project.id == project.id:
-                tasks.append(asyncio.ensure_future(device.delete()))
+                tasks.append(asyncio_ensure_future(device.delete()))
 
         if tasks:
             done, _ = yield from asyncio.wait(tasks)

gns3server/compute/dynamips/nodes/router.py

@@ -40,7 +40,7 @@ from ..nios.nio_udp import NIOUDP
 
 
 from gns3server.utils.file_watcher import FileWatcher
-from gns3server.utils.asyncio import wait_run_in_executor, monitor_process
+from gns3server.utils.asyncio import wait_run_in_executor, monitor_process, asyncio_ensure_future
 from gns3server.utils.images import md5sum
 
 
@@ -194,7 +194,7 @@ class Router(BaseNode):
         """
         Called when the NVRAM file has changed
         """
-        asyncio.ensure_future(self.save_configs())
+        asyncio_ensure_future(self.save_configs())
 
     @property
     def dynamips_id(self):