From f185ba7a21ac797be39b4e498cfda45027841097 Mon Sep 17 00:00:00 2001
From: Otto Winter <otto@otto-winter.com>
Date: Sun, 10 Feb 2019 16:31:17 +0100
Subject: [PATCH] Add Homeassistant Binary Sensor (#409)

---
 .../components/binary_sensor/homeassistant.py | 30 +++++++++++++++++++
 tests/test2.yaml                              |  3 ++
 2 files changed, 33 insertions(+)
 create mode 100644 esphomeyaml/components/binary_sensor/homeassistant.py

diff --git a/esphomeyaml/components/binary_sensor/homeassistant.py b/esphomeyaml/components/binary_sensor/homeassistant.py
new file mode 100644
index 0000000000..e3f46a9dc0
--- /dev/null
+++ b/esphomeyaml/components/binary_sensor/homeassistant.py
@@ -0,0 +1,30 @@
+import voluptuous as vol
+
+from esphomeyaml.components import binary_sensor
+import esphomeyaml.config_validation as cv
+from esphomeyaml.const import CONF_ENTITY_ID, CONF_ID, CONF_NAME
+from esphomeyaml.cpp_generator import Pvariable
+from esphomeyaml.cpp_types import App
+
+DEPENDENCIES = ['api']
+
+HomeassistantBinarySensor = binary_sensor.binary_sensor_ns.class_('HomeassistantBinarySensor',
+                                                                  binary_sensor.BinarySensor)
+
+PLATFORM_SCHEMA = cv.nameable(binary_sensor.BINARY_SENSOR_PLATFORM_SCHEMA.extend({
+    cv.GenerateID(): cv.declare_variable_id(HomeassistantBinarySensor),
+    vol.Required(CONF_ENTITY_ID): cv.entity_id,
+}))
+
+
+def to_code(config):
+    rhs = App.make_homeassistant_binary_sensor(config[CONF_NAME], config[CONF_ENTITY_ID])
+    subs = Pvariable(config[CONF_ID], rhs)
+    binary_sensor.setup_binary_sensor(subs, config)
+
+
+BUILD_FLAGS = '-DUSE_HOMEASSISTANT_BINARY_SENSOR'
+
+
+def to_hass_config(data, config):
+    return binary_sensor.core_to_hass_config(data, config)
diff --git a/tests/test2.yaml b/tests/test2.yaml
index c079cb6d5b..0e9ad3c4eb 100644
--- a/tests/test2.yaml
+++ b/tests/test2.yaml
@@ -158,6 +158,9 @@ binary_sensor:
   - platform: apds9960
     direction: right
     name: APDS9960 Right
+  - platform: homeassistant
+    entity_id: binary_sensor.hello_world
+    id: ha_hello_world_binary
 
 esp32_ble_tracker:
   scan_interval: 300s