From 54248863b36fc30601c4573ddc84aa76d230135e Mon Sep 17 00:00:00 2001
From: Lewis Juggins <ldjuggins@gmail.com>
Date: Tue, 20 Sep 2016 08:06:33 +0100
Subject: [PATCH] Use uvloop for asyncio policy (#3417)

---
 Dockerfile            | 2 +-
 homeassistant/core.py | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index 546c71966f0..14e70a0412c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,7 +21,7 @@ RUN script/build_python_openzwave && \
 COPY requirements_all.txt requirements_all.txt
 # certifi breaks Debian based installs
 RUN pip3 install --no-cache-dir -r requirements_all.txt && pip3 uninstall -y certifi && \
-    pip3 install mysqlclient psycopg2
+    pip3 install mysqlclient psycopg2 uvloop
 
 # Copy source
 COPY . .
diff --git a/homeassistant/core.py b/homeassistant/core.py
index c1c26abcd87..bcea24246ca 100644
--- a/homeassistant/core.py
+++ b/homeassistant/core.py
@@ -40,6 +40,12 @@ import homeassistant.util.dt as dt_util
 import homeassistant.util.location as location
 from homeassistant.util.unit_system import UnitSystem, METRIC_SYSTEM  # NOQA
 
+try:
+    import uvloop
+    asyncio.set_event_loop_policy(uvloop.EventLoopPolicy())
+except ImportError:
+    pass
+
 DOMAIN = "homeassistant"
 
 # How often time_changed event should fire