Add xor automation condition (#5453)

esphome/automation.py

@@ -141,6 +141,7 @@ AUTOMATION_SCHEMA = cv.Schema(
 AndCondition = cg.esphome_ns.class_("AndCondition", Condition)
 OrCondition = cg.esphome_ns.class_("OrCondition", Condition)
 NotCondition = cg.esphome_ns.class_("NotCondition", Condition)
+XorCondition = cg.esphome_ns.class_("XorCondition", Condition)
 
 
 @register_condition("and", AndCondition, validate_condition_list)
@@ -161,6 +162,12 @@ async def not_condition_to_code(config, condition_id, template_arg, args):
     return cg.new_Pvariable(condition_id, template_arg, condition)
 
 
+@register_condition("xor", XorCondition, validate_condition_list)
+async def xor_condition_to_code(config, condition_id, template_arg, args):
+    conditions = await build_condition_list(config, template_arg, args)
+    return cg.new_Pvariable(condition_id, template_arg, conditions)
+
+
 @register_condition("lambda", LambdaCondition, cv.returning_lambda)
 async def lambda_condition_to_code(config, condition_id, template_arg, args):
     lambda_ = await cg.process_lambda(config, args, return_type=bool)

esphome/core/base_automation.h

@@ -48,6 +48,22 @@ template<typename... Ts> class NotCondition : public Condition<Ts...> {
   Condition<Ts...> *condition_;
 };
 
+template<typename... Ts> class XorCondition : public Condition<Ts...> {
+ public:
+  explicit XorCondition(const std::vector<Condition<Ts...> *> &conditions) : conditions_(conditions) {}
+  bool check(Ts... x) override {
+    bool xor_state = false;
+    for (auto *condition : this->conditions_) {
+      xor_state = xor_state ^ condition->check(x...);
+    }
+
+    return xor_state;
+  }
+
+ protected:
+  std::vector<Condition<Ts...> *> conditions_;
+};
+
 template<typename... Ts> class LambdaCondition : public Condition<Ts...> {
  public:
   explicit LambdaCondition(std::function<bool(Ts...)> &&f) : f_(std::move(f)) {}

tests/test1.yaml

@@ -3104,11 +3104,39 @@ time:
   - platform: ds1307
     id: ds1307_time
     update_interval: never
-    on_time:
-      seconds: 0
-      then: ds1307.read_time
     i2c_id: i2c_bus
-
+    on_time:
+      - seconds: 0
+        then: ds1307.read_time
+      - at: "16:00:00"
+        then:
+          - if:
+              condition:
+                or:
+                  - binary_sensor.is_on: close_sensor
+                  - binary_sensor.is_on: open_sensor
+              then:
+                logger.log: "close_sensor or open_sensor is on"
+          - if:
+              condition:
+                and:
+                  - binary_sensor.is_on: close_sensor
+                  - binary_sensor.is_on: open_sensor
+              then:
+                logger.log: "close_sensor and open_sensor are both on"
+          - if:
+              condition:
+                xor:
+                  - binary_sensor.is_on: close_sensor
+                  - binary_sensor.is_on: open_sensor
+              then:
+                logger.log: "close_sensor or open_sensor is exclusively on"
+          - if:
+              condition:
+                not:
+                  - binary_sensor.is_on: close_sensor
+              then:
+                logger.log: "close_sensor is not on"
 cover:
   - platform: template
     name: Template Cover