Convert to use poetry & pyproject.toml for dep & build management (#54)

* Convert to use poetry and pyproject.toml, update README

* add some resources for contributors

* minor adjustments

* ci: separate tests from linting, run using poetry

* add pytest-mock to dev requirements

* combine running tests and reporting to codecov

* generate both xml and html coverage reports

* add codecov to dev dependencies

kasa/tests/conftest.py

@@ -4,7 +4,7 @@ import json
 import os
 from os.path import basename
 
-import pytest
+import pytest  # type: ignore # see https://github.com/pytest-dev/pytest/issues/3342
 
 from kasa import Discover, SmartBulb, SmartDimmer, SmartPlug, SmartStrip
 

kasa/tests/newfakes.py

@@ -1,7 +1,16 @@
 import logging
 import re
 
-from voluptuous import REMOVE_EXTRA, All, Any, Coerce, Invalid, Optional, Range, Schema
+from voluptuous import (  # type: ignore
+    REMOVE_EXTRA,
+    All,
+    Any,
+    Coerce,
+    Invalid,
+    Optional,
+    Range,
+    Schema,
+)
 
 from ..protocol import TPLinkSmartHomeProtocol
 

kasa/tests/test_cli.py

@@ -1,6 +1,6 @@
 import pytest
-
 from asyncclick.testing import CliRunner
+
 from kasa import SmartDevice
 from kasa.cli import alias, brightness, emeter, raw_command, state, sysinfo
 

kasa/tests/test_fixtures.py

@@ -2,7 +2,7 @@ import asyncio
 from datetime import datetime
 from unittest.mock import patch
 
-import pytest
+import pytest  # type: ignore # https://github.com/pytest-dev/pytest/issues/3342
 
 from kasa import DeviceType, SmartDeviceException, SmartStrip