Run rmtree in a different thread

gns3server/utils/asyncio.py

@@ -0,0 +1,36 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2015 GNS3 Technologies Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+import asyncio
+
+
+@asyncio.coroutine
+def wait_run_in_executor(func, *args):
+    """
+    Run blocking code in a different thread and wait
+    the result.
+
+    :param func: Run this function in a different thread
+    :param args: Parameters of the function
+    :returns: Return the result of the function
+    """
+
+    loop = asyncio.get_event_loop()
+    future = loop.run_in_executor(None, func, *args)
+    yield from asyncio.wait([future])
+    return future.result()