Refactor devices into subpackages and deprecate old names (#716)

* Refactor devices into subpackages and deprecate old names

* Tweak and add tests

* Fix linting

* Remove duplicate implementations affecting project coverage

* Update post review

* Add device base class attributes and rename subclasses

* Rename Module to BaseModule

* Remove has_emeter_history

* Fix missing _time in init

* Update post review

* Fix test_readmeexamples

* Fix erroneously duped files

* Clean up iot and smart imports

* Update post latest review

* Tweak Device docstring

kasa/iot/modules/time.py

@@ -0,0 +1,54 @@
+"""Provides the current time and timezone information."""
+from datetime import datetime
+
+from ...exceptions import SmartDeviceException
+from .module import IotModule, merge
+
+
+class Time(IotModule):
+    """Implements the timezone settings."""
+
+    def query(self):
+        """Request time and timezone."""
+        q = self.query_for_command("get_time")
+
+        merge(q, self.query_for_command("get_timezone"))
+        return q
+
+    @property
+    def time(self) -> datetime:
+        """Return current device time."""
+        res = self.data["get_time"]
+        return datetime(
+            res["year"],
+            res["month"],
+            res["mday"],
+            res["hour"],
+            res["min"],
+            res["sec"],
+        )
+
+    @property
+    def timezone(self):
+        """Return current timezone."""
+        res = self.data["get_timezone"]
+        return res
+
+    async def get_time(self):
+        """Return current device time."""
+        try:
+            res = await self.call("get_time")
+            return datetime(
+                res["year"],
+                res["month"],
+                res["mday"],
+                res["hour"],
+                res["min"],
+                res["sec"],
+            )
+        except SmartDeviceException:
+            return None
+
+    async def get_timezone(self):
+        """Request timezone information from the device."""
+        return await self.call("get_timezone")