Code cleanup & add config check to API (#155)

* Code cleanup & add config check to API

* Fix comments

* fix lint p1

* Fix lint p2

* fix coro

* fix parameter

* add log output

* fix command layout

* fix Pannel

* fix lint p4

* fix regex

* convert to ascii

* fix lint p5

* add temp logging

* fix output on non-zero exit

* remove temporary log

hassio/homeassistant.py

@@ -2,16 +2,19 @@
 import asyncio
 import logging
 import os
+import re
 
 from .const import (
     FILE_HASSIO_HOMEASSISTANT, ATTR_DEVICES, ATTR_IMAGE, ATTR_LAST_VERSION,
     ATTR_VERSION)
 from .dock.homeassistant import DockerHomeAssistant
-from .tools import JsonConfig
+from .tools import JsonConfig, convert_to_ascii
 from .validate import SCHEMA_HASS_CONFIG
 
 _LOGGER = logging.getLogger(__name__)
 
+RE_CONFIG_CHECK = re.compile(r"error", re.IGNORECASE)
+
 
 class HomeAssistant(JsonConfig):
     """Hass core object for handle it."""
@@ -165,3 +168,20 @@ class HomeAssistant(JsonConfig):
     def in_progress(self):
         """Return True if a task is in progress."""
         return self.docker.in_progress
+
+    async def check_config(self):
+        """Run homeassistant config check."""
+        log = await self.docker.execute_command(
+            "python3 -m homeassistant -c /config --script check_config"
+        )
+
+        # if not valid
+        if not log:
+            return (False, "")
+
+        # parse output
+        log = convert_to_ascii(log)
+        if RE_CONFIG_CHECK.search(log):
+            return (False, log)
+
+        return (True, log)