Drop Python 3.4 and switch to async / await syntax for asyncio. Fixes #1425

tests/handlers/api/controller/test_link.py

@@ -341,10 +341,10 @@ def test_stop_capture(http_controller, tmpdir, project, compute, async_run):
 
 
 def test_pcap(http_controller, tmpdir, project, compute, loop):
-    @asyncio.coroutine
-    def go(future):
-        response = yield from aiohttp.request("GET", http_controller.get_url("/projects/{}/links/{}/pcap".format(project.id, link.id)))
-        response.body = yield from response.content.read(5)
+
+    async def go(future):
+        response = await aiohttp.request("GET", http_controller.get_url("/projects/{}/links/{}/pcap".format(project.id, link.id)))
+        response.body = await response.content.read(5)
         response.close()
         future.set_result(response)
 

tests/handlers/api/controller/test_project.py

@@ -169,13 +169,13 @@ def test_load_project(http_controller, project, config):
 
 
 def test_notification(http_controller, project, controller, loop, async_run):
-    @asyncio.coroutine
-    def go():
+
+    async def go():
         connector = aiohttp.TCPConnector()
-        response = yield from aiohttp.request("GET", http_controller.get_url("/projects/{project_id}/notifications".format(project_id=project.id)), connector=connector)
-        response.body = yield from response.content.read(200)
+        response = await aiohttp.request("GET", http_controller.get_url("/projects/{project_id}/notifications".format(project_id=project.id)), connector=connector)
+        response.body = await response.content.read(200)
         controller.notification.project_emit("node.created", {"a": "b"})
-        response.body += yield from response.content.readany()
+        response.body += await response.content.readany()
         response.close()
         return response
 

tests/handlers/api/controller/test_server.py

@@ -31,8 +31,8 @@ def web_server():
 
 
 def test_shutdown_local(http_controller, web_server, config):
-    @asyncio.coroutine
-    def hello():
+
+    async def hello():
         return 0
 
     web_server.shutdown_server.return_value = hello()