Code quality improvements (v0.2.0-pre-alpha) (#5)

* Bumped version to 0.2.0
* Implemented Github Actions for HACS, Hassfest, Linting
* Improved code quality (compliant with the linter now)
* Added link to the finish page to automatically login on the same device/browser

custom_components/auth_oidc/__init__.py

@@ -1,3 +1,5 @@
+"""OIDC Integration for Home Assistant."""
+
 import logging
 from typing import OrderedDict
 
@@ -10,29 +12,31 @@ from .endpoints.finish import OIDCFinishView
 from .endpoints.callback import OIDCCallbackView
 
 from .oidc_client import OIDCClient
+from .provider import OpenIDAuthProvider
 
 DOMAIN = "auth_oidc"
 _LOGGER = logging.getLogger(__name__)
 
-from .provider import OpenIDAuthProvider
-
 CONFIG_SCHEMA = vol.Schema(
     {
         DOMAIN: vol.Schema(
             {
                 vol.Required("client_id"): vol.Coerce(str),
                 vol.Optional("client_secret"): vol.Coerce(str),
-                vol.Required("discovery_url"): vol.Url(),
+                vol.Required("discovery_url"): vol.Coerce(str),
             }
         )
     },
     extra=vol.ALLOW_EXTRA,
 )
 
+
 async def async_setup(hass: HomeAssistant, config):
     """Add the OIDC Auth Provider to the providers in Home Assistant"""
     providers = OrderedDict()
 
+    # Use private APIs until there is a real auth platform
+    # pylint: disable=protected-access
     provider = OpenIDAuthProvider(
         hass,
         hass.auth._store,
@@ -42,13 +46,14 @@ async def async_setup(hass: HomeAssistant, config):
     providers[(provider.type, provider.id)] = provider
     providers.update(hass.auth._providers)
     hass.auth._providers = providers
+    # pylint: enable=protected-access
 
     _LOGGER.debug("Added OIDC provider for Home Assistant")
 
     # Define some fields
-    discovery_url = config[DOMAIN]["discovery_url"]
-    client_id = config[DOMAIN]["client_id"]
-    scope = "openid profile email"
+    discovery_url: str = config[DOMAIN]["discovery_url"]
+    client_id: str = config[DOMAIN]["client_id"]
+    scope: str = "openid profile email"
 
     oidc_client = oidc_client = OIDCClient(discovery_url, client_id, scope)