Use uvloop & aiohttp C extension (#279)

* Update Dockerfile

* Update __main__.py

* Update Dockerfile

* Update Dockerfile

* Update Dockerfile

* Update Dockerfile

* Update Dockerfile

* Update Dockerfile

* Update Dockerfile

* Update Dockerfile

* Update Dockerfile

Author: pvizeli

Dockerfile

@@ -6,9 +6,18 @@ ENV LANG C.UTF-8
 
 # Setup base
 RUN apk add --no-cache \
-    python3 \
-    git \
-    socat
+        python3 \
+        git \
+        socat \
+        libstdc++ \
+    && apk add --no-cache --virtual .build-dependencies \
+        make \
+        python3-dev \
+        g++ \
+    && pip3 install --no-cache-dir \
+        uvloop \
+        cchardet \
+    && apk del .build-dependencies
 
 # Install HassIO
 COPY . /usr/src/hassio

hassio/__main__.py

@@ -10,9 +10,19 @@
 _LOGGER = logging.getLogger(__name__)
 
 
+def attempt_use_uvloop():
+    """Attempt to use uvloop."""
+    try:
+        import uvloop
+        asyncio.set_event_loop_policy(uvloop.EventLoopPolicy())
+    except ImportError:
+        pass
+
+
 # pylint: disable=invalid-name
 if __name__ == "__main__":
     bootstrap.initialize_logging()
+    attempt_use_uvloop()
     loop = asyncio.get_event_loop()
 
     if not bootstrap.check_environment():