Add Viessmann ViCare Climate platform (#26151)

* Add Viessmann ViCare Climate platform

* Add water_heater and fix review comments
Update to latest PyVicare (0.1.0)

* Move PyVicare API creation to component

* More review fixes

* Return false if api creation fails

* Fix logging format

* Update PyVicare 0.1.1 to fix json issues

* Formatting fixes

homeassistant/components/vicare/__init__.py

@@ -0,0 +1,58 @@
+"""The ViCare integration."""
+import logging
+
+import voluptuous as vol
+from PyViCare.PyViCareDevice import Device
+
+import homeassistant.helpers.config_validation as cv
+from homeassistant.const import CONF_USERNAME, CONF_PASSWORD, CONF_NAME
+from homeassistant.helpers import discovery
+
+_LOGGER = logging.getLogger(__name__)
+
+VICARE_PLATFORMS = ["climate", "water_heater"]
+
+DOMAIN = "vicare"
+VICARE_API = "api"
+VICARE_NAME = "name"
+
+CONF_CIRCUIT = "circuit"
+
+CONFIG_SCHEMA = vol.Schema(
+    {
+        DOMAIN: vol.Schema(
+            {
+                vol.Required(CONF_USERNAME): cv.string,
+                vol.Required(CONF_PASSWORD): cv.string,
+                vol.Optional(CONF_CIRCUIT): int,
+                vol.Optional(CONF_NAME, default="ViCare"): cv.string,
+            }
+        )
+    },
+    extra=vol.ALLOW_EXTRA,
+)
+
+
+def setup(hass, config):
+    """Create the ViCare component."""
+    conf = config[DOMAIN]
+    params = {"token_file": "/tmp/vicare_token.save"}
+    if conf.get(CONF_CIRCUIT) is not None:
+        params["circuit"] = conf[CONF_CIRCUIT]
+
+    try:
+        vicare_api = Device(conf[CONF_USERNAME], conf[CONF_PASSWORD], **params)
+    except AttributeError:
+        _LOGGER.error(
+            "Failed to create PyViCare API client. Please check your credentials."
+        )
+        return False
+
+    hass.data[DOMAIN] = {}
+    hass.data[DOMAIN][VICARE_API] = vicare_api
+    hass.data[DOMAIN][VICARE_NAME] = conf[CONF_NAME]
+
+    for platform in VICARE_PLATFORMS:
+        discovery.load_platform(hass, platform, DOMAIN, {}, config)
+
+    return True