Refactory code / object handling (#289)

* Refactory code / object handling

* Next step

* fix lint

* Step 2

* Cleanup API code

* cleanup addons code

* cleanup data handling

* Cleanup addons data handling

* Cleanup docker api

* clean docker api p2

* next cleanup round

* cleanup start on snapshots

* update format strings

* fix setup

* fix lint

* fix lint

* fix lint

* fix tox

* Fix wrong import of datetime module

* Fix bug with attributes

* fix extraction

* Update core

* Update logs

* Expand scheduler

* add support for time interval objects

* next updates on tasks

* Fix some things

* Cleanup code / supervisor

* fix lint

* Fix some code styles

* rename stuff

* cleanup api call reload

* fix lock replacment

* fix lint

* fix lint

* fix bug

* fix wrong config links

* fix bugs

* fix bug

* Update version on startup

* Fix some bugs

* fix bug

* Fix snapshot

* Add wait boot options

* fix lint

* fix default config

* fix snapshot

* fix snapshot

* load snapshots on startup

* add log message at the end

* Some cleanups

* fix bug

* add logger

* add logger for supervisor update

* Add more logger

hassio/utils/__init__.py

@@ -0,0 +1,34 @@
+"""Tools file for HassIO."""
+from datetime import datetime
+import re
+
+RE_STRING = re.compile(r"\x1b(\[.*?[@-~]|\].*?(\x07|\x1b\\))")
+
+
+def convert_to_ascii(raw):
+    """Convert binary to ascii and remove colors."""
+    return RE_STRING.sub("", raw.decode())
+
+
+class AsyncThrottle(object):
+    """
+    Decorator that prevents a function from being called more than once every
+    time period.
+    """
+    def __init__(self, delta):
+        """Initialize async throttle."""
+        self.throttle_period = delta
+        self.time_of_last_call = datetime.min
+
+    def __call__(self, method):
+        """Throttle function"""
+        async def wrapper(*args, **kwargs):
+            """Throttle function wrapper"""
+            now = datetime.now()
+            time_since_last_call = now - self.time_of_last_call
+
+            if time_since_last_call > self.throttle_period:
+                self.time_of_last_call = now
+                return await method(*args, **kwargs)
+
+        return wrapper