Add copy integration (#3241)

CODEOWNERS

@@ -44,6 +44,7 @@ esphome/components/climate/* @esphome/core
 esphome/components/climate_ir/* @glmnet
 esphome/components/color_temperature/* @jesserockz
 esphome/components/coolix/* @glmnet
+esphome/components/copy/* @OttoWinter
 esphome/components/cover/* @esphome/core
 esphome/components/cs5460a/* @balrog-kun
 esphome/components/cse7761/* @berfenger

esphome/components/copy/__init__.py

@@ -0,0 +1,5 @@
+import esphome.codegen as cg
+
+CODEOWNERS = ["@OttoWinter"]
+
+copy_ns = cg.esphome_ns.namespace("copy")

esphome/components/copy/binary_sensor/__init__.py

@@ -0,0 +1,41 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import binary_sensor
+from esphome.const import (
+    CONF_DEVICE_CLASS,
+    CONF_ENTITY_CATEGORY,
+    CONF_ICON,
+    CONF_SOURCE_ID,
+)
+from esphome.core.entity_helpers import inherit_property_from
+
+from .. import copy_ns
+
+CopyBinarySensor = copy_ns.class_(
+    "CopyBinarySensor", binary_sensor.BinarySensor, cg.Component
+)
+
+
+CONFIG_SCHEMA = (
+    binary_sensor.binary_sensor_schema(CopyBinarySensor)
+    .extend(
+        {
+            cv.Required(CONF_SOURCE_ID): cv.use_id(binary_sensor.BinarySensor),
+        }
+    )
+    .extend(cv.COMPONENT_SCHEMA)
+)
+
+FINAL_VALIDATE_SCHEMA = cv.All(
+    inherit_property_from(CONF_ICON, CONF_SOURCE_ID),
+    inherit_property_from(CONF_ENTITY_CATEGORY, CONF_SOURCE_ID),
+    inherit_property_from(CONF_DEVICE_CLASS, CONF_SOURCE_ID),
+)
+
+
+async def to_code(config):
+    var = await binary_sensor.new_binary_sensor(config)
+    await cg.register_component(var, config)
+
+    source = await cg.get_variable(config[CONF_SOURCE_ID])
+    cg.add(var.set_source(source))

esphome/components/copy/binary_sensor/copy_binary_sensor.cpp

@@ -0,0 +1,18 @@
+#include "copy_binary_sensor.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace copy {
+
+static const char *const TAG = "copy.binary_sensor";
+
+void CopyBinarySensor::setup() {
+  source_->add_on_state_callback([this](bool value) { this->publish_state(value); });
+  if (source_->has_state())
+    this->publish_state(source_->state);
+}
+
+void CopyBinarySensor::dump_config() { LOG_BINARY_SENSOR("", "Copy Binary Sensor", this); }
+
+}  // namespace copy
+}  // namespace esphome

esphome/components/copy/binary_sensor/copy_binary_sensor.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/binary_sensor/binary_sensor.h"
+
+namespace esphome {
+namespace copy {
+
+class CopyBinarySensor : public binary_sensor::BinarySensor, public Component {
+ public:
+  void set_source(binary_sensor::BinarySensor *source) { source_ = source; }
+  void setup() override;
+  void dump_config() override;
+  float get_setup_priority() const override { return setup_priority::DATA; }
+
+ protected:
+  binary_sensor::BinarySensor *source_;
+};
+
+}  // namespace copy
+}  // namespace esphome

esphome/components/copy/button/__init__.py

@@ -0,0 +1,42 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import button
+from esphome.const import (
+    CONF_DEVICE_CLASS,
+    CONF_ENTITY_CATEGORY,
+    CONF_ICON,
+    CONF_ID,
+    CONF_SOURCE_ID,
+)
+from esphome.core.entity_helpers import inherit_property_from
+
+from .. import copy_ns
+
+CopyButton = copy_ns.class_("CopyButton", button.Button, cg.Component)
+
+
+CONFIG_SCHEMA = (
+    button.button_schema()
+    .extend(
+        {
+            cv.GenerateID(): cv.declare_id(CopyButton),
+            cv.Required(CONF_SOURCE_ID): cv.use_id(button.Button),
+        }
+    )
+    .extend(cv.COMPONENT_SCHEMA)
+)
+
+FINAL_VALIDATE_SCHEMA = cv.All(
+    inherit_property_from(CONF_ICON, CONF_SOURCE_ID),
+    inherit_property_from(CONF_ENTITY_CATEGORY, CONF_SOURCE_ID),
+    inherit_property_from(CONF_DEVICE_CLASS, CONF_SOURCE_ID),
+)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    await button.register_button(var, config)
+    await cg.register_component(var, config)
+
+    source = await cg.get_variable(config[CONF_SOURCE_ID])
+    cg.add(var.set_source(source))

esphome/components/copy/button/copy_button.cpp

@@ -0,0 +1,14 @@
+#include "copy_button.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace copy {
+
+static const char *const TAG = "copy.button";
+
+void CopyButton::dump_config() { LOG_BUTTON("", "Copy Button", this); }
+
+void CopyButton::press_action() { source_->press(); }
+
+}  // namespace copy
+}  // namespace esphome

esphome/components/copy/button/copy_button.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/button/button.h"
+
+namespace esphome {
+namespace copy {
+
+class CopyButton : public button::Button, public Component {
+ public:
+  void set_source(button::Button *source) { source_ = source; }
+  void dump_config() override;
+  float get_setup_priority() const override { return setup_priority::DATA; }
+
+ protected:
+  void press_action() override;
+
+  button::Button *source_;
+};
+
+}  // namespace copy
+}  // namespace esphome

esphome/components/copy/cover/__init__.py

@@ -0,0 +1,38 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import cover
+from esphome.const import (
+    CONF_DEVICE_CLASS,
+    CONF_ENTITY_CATEGORY,
+    CONF_ICON,
+    CONF_ID,
+    CONF_SOURCE_ID,
+)
+from esphome.core.entity_helpers import inherit_property_from
+
+from .. import copy_ns
+
+CopyCover = copy_ns.class_("CopyCover", cover.Cover, cg.Component)
+
+
+CONFIG_SCHEMA = cover.COVER_SCHEMA.extend(
+    {
+        cv.GenerateID(): cv.declare_id(CopyCover),
+        cv.Required(CONF_SOURCE_ID): cv.use_id(cover.Cover),
+    }
+).extend(cv.COMPONENT_SCHEMA)
+
+FINAL_VALIDATE_SCHEMA = cv.All(
+    inherit_property_from(CONF_ICON, CONF_SOURCE_ID),
+    inherit_property_from(CONF_ENTITY_CATEGORY, CONF_SOURCE_ID),
+    inherit_property_from(CONF_DEVICE_CLASS, CONF_SOURCE_ID),
+)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    await cover.register_cover(var, config)
+    await cg.register_component(var, config)
+
+    source = await cg.get_variable(config[CONF_SOURCE_ID])
+    cg.add(var.set_source(source))

esphome/components/copy/cover/copy_cover.cpp

@@ -0,0 +1,50 @@
+#include "copy_cover.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace copy {
+
+static const char *const TAG = "copy.cover";
+
+void CopyCover::setup() {
+  source_->add_on_state_callback([this]() {
+    this->current_operation = this->source_->current_operation;
+    this->position = this->source_->position;
+    this->tilt = this->source_->tilt;
+    this->publish_state();
+  });
+
+  this->current_operation = this->source_->current_operation;
+  this->position = this->source_->position;
+  this->tilt = this->source_->tilt;
+  this->publish_state();
+}
+
+void CopyCover::dump_config() { LOG_COVER("", "Copy Cover", this); }
+
+cover::CoverTraits CopyCover::get_traits() {
+  auto base = source_->get_traits();
+  cover::CoverTraits traits{};
+  // copy traits manually so it doesn't break when new options are added
+  // but the control() method hasn't implemented them yet.
+  traits.set_is_assumed_state(base.get_is_assumed_state());
+  traits.set_supports_position(base.get_supports_position());
+  traits.set_supports_tilt(base.get_supports_tilt());
+  traits.set_supports_toggle(base.get_supports_toggle());
+  return traits;
+}
+
+void CopyCover::control(const cover::CoverCall &call) {
+  auto call2 = source_->make_call();
+  call2.set_stop(call.get_stop());
+  if (call.get_tilt().has_value())
+    call2.set_tilt(*call.get_tilt());
+  if (call.get_position().has_value())
+    call2.set_position(*call.get_position());
+  if (call.get_tilt().has_value())
+    call2.set_tilt(*call.get_tilt());
+  call2.perform();
+}
+
+}  // namespace copy
+}  // namespace esphome

esphome/components/copy/cover/copy_cover.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/cover/cover.h"
+
+namespace esphome {
+namespace copy {
+
+class CopyCover : public cover::Cover, public Component {
+ public:
+  void set_source(cover::Cover *source) { source_ = source; }
+  void setup() override;
+  void dump_config() override;
+  float get_setup_priority() const override { return setup_priority::DATA; }
+
+  cover::CoverTraits get_traits() override;
+
+ protected:
+  void control(const cover::CoverCall &call) override;
+
+  cover::Cover *source_;
+};
+
+}  // namespace copy
+}  // namespace esphome

esphome/components/copy/fan/__init__.py

@@ -0,0 +1,36 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import fan
+from esphome.const import (
+    CONF_ENTITY_CATEGORY,
+    CONF_ICON,
+    CONF_ID,
+    CONF_SOURCE_ID,
+)
+from esphome.core.entity_helpers import inherit_property_from
+
+from .. import copy_ns
+
+CopyFan = copy_ns.class_("CopyFan", fan.Fan, cg.Component)
+
+
+CONFIG_SCHEMA = fan.FAN_SCHEMA.extend(
+    {
+        cv.GenerateID(): cv.declare_id(CopyFan),
+        cv.Required(CONF_SOURCE_ID): cv.use_id(fan.Fan),
+    }
+).extend(cv.COMPONENT_SCHEMA)
+
+FINAL_VALIDATE_SCHEMA = cv.All(
+    inherit_property_from(CONF_ICON, CONF_SOURCE_ID),
+    inherit_property_from(CONF_ENTITY_CATEGORY, CONF_SOURCE_ID),
+)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    await fan.register_fan(var, config)
+    await cg.register_component(var, config)
+
+    source = await cg.get_variable(config[CONF_SOURCE_ID])
+    cg.add(var.set_source(source))

esphome/components/copy/fan/copy_fan.cpp

@@ -0,0 +1,53 @@
+#include "copy_fan.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace copy {
+
+static const char *const TAG = "copy.fan";
+
+void CopyFan::setup() {
+  source_->add_on_state_callback([this]() {
+    this->state = source_->state;
+    this->oscillating = source_->oscillating;
+    this->speed = source_->speed;
+    this->direction = source_->direction;
+    this->publish_state();
+  });
+
+  this->state = source_->state;
+  this->oscillating = source_->oscillating;
+  this->speed = source_->speed;
+  this->direction = source_->direction;
+  this->publish_state();
+}
+
+void CopyFan::dump_config() { LOG_FAN("", "Copy Fan", this); }
+
+fan::FanTraits CopyFan::get_traits() {
+  fan::FanTraits traits;
+  auto base = source_->get_traits();
+  // copy traits manually so it doesn't break when new options are added
+  // but the control() method hasn't implemented them yet.
+  traits.set_oscillation(base.supports_oscillation());
+  traits.set_speed(base.supports_speed());
+  traits.set_supported_speed_count(base.supported_speed_count());
+  traits.set_direction(base.supports_direction());
+  return traits;
+}
+
+void CopyFan::control(const fan::FanCall &call) {
+  auto call2 = source_->make_call();
+  if (call.get_state().has_value())
+    call2.set_state(*call.get_state());
+  if (call.get_oscillating().has_value())
+    call2.set_oscillating(*call.get_oscillating());
+  if (call.get_speed().has_value())
+    call2.set_speed(*call.get_speed());
+  if (call.get_direction().has_value())
+    call2.set_direction(*call.get_direction());
+  call2.perform();
+}
+
+}  // namespace copy
+}  // namespace esphome

esphome/components/copy/fan/copy_fan.h

@@ -0,0 +1,26 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/fan/fan.h"
+
+namespace esphome {
+namespace copy {
+
+class CopyFan : public fan::Fan, public Component {
+ public:
+  void set_source(fan::Fan *source) { source_ = source; }
+  void setup() override;
+  void dump_config() override;
+  float get_setup_priority() const override { return setup_priority::DATA; }
+
+  fan::FanTraits get_traits() override;
+
+ protected:
+  void control(const fan::FanCall &call) override;
+  ;
+
+  fan::Fan *source_;
+};
+
+}  // namespace copy
+}  // namespace esphome

esphome/components/copy/lock/__init__.py

@@ -0,0 +1,36 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import lock
+from esphome.const import (
+    CONF_ENTITY_CATEGORY,
+    CONF_ICON,
+    CONF_ID,
+    CONF_SOURCE_ID,
+)
+from esphome.core.entity_helpers import inherit_property_from
+
+from .. import copy_ns
+
+CopyLock = copy_ns.class_("CopyLock", lock.Lock, cg.Component)
+
+
+CONFIG_SCHEMA = lock.LOCK_SCHEMA.extend(
+    {
+        cv.GenerateID(): cv.declare_id(CopyLock),
+        cv.Required(CONF_SOURCE_ID): cv.use_id(lock.Lock),
+    }
+).extend(cv.COMPONENT_SCHEMA)
+
+FINAL_VALIDATE_SCHEMA = cv.All(
+    inherit_property_from(CONF_ICON, CONF_SOURCE_ID),
+    inherit_property_from(CONF_ENTITY_CATEGORY, CONF_SOURCE_ID),
+)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    await lock.register_lock(var, config)
+    await cg.register_component(var, config)
+
+    source = await cg.get_variable(config[CONF_SOURCE_ID])
+    cg.add(var.set_source(source))

esphome/components/copy/lock/copy_lock.cpp

@@ -0,0 +1,29 @@
+#include "copy_lock.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace copy {
+
+static const char *const TAG = "copy.lock";
+
+void CopyLock::setup() {
+  source_->add_on_state_callback([this]() { this->publish_state(source_->state); });
+
+  traits.set_assumed_state(source_->traits.get_assumed_state());
+  traits.set_requires_code(source_->traits.get_requires_code());
+  traits.set_supported_states(source_->traits.get_supported_states());
+  traits.set_supports_open(source_->traits.get_supports_open());
+
+  this->publish_state(source_->state);
+}
+
+void CopyLock::dump_config() { LOG_LOCK("", "Copy Lock", this); }
+
+void CopyLock::control(const lock::LockCall &call) {
+  auto call2 = source_->make_call();
+  call2.set_state(call.get_state());
+  call2.perform();
+}
+
+}  // namespace copy
+}  // namespace esphome

esphome/components/copy/lock/copy_lock.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/lock/lock.h"
+
+namespace esphome {
+namespace copy {
+
+class CopyLock : public lock::Lock, public Component {
+ public:
+  void set_source(lock::Lock *source) { source_ = source; }
+  void setup() override;
+  void dump_config() override;
+  float get_setup_priority() const override { return setup_priority::DATA; }
+
+ protected:
+  void control(const lock::LockCall &call) override;
+
+  lock::Lock *source_;
+};
+
+}  // namespace copy
+}  // namespace esphome

esphome/components/copy/number/__init__.py

@@ -0,0 +1,38 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import number
+from esphome.const import (
+    CONF_ENTITY_CATEGORY,
+    CONF_ICON,
+    CONF_MODE,
+    CONF_SOURCE_ID,
+    CONF_UNIT_OF_MEASUREMENT,
+)
+from esphome.core.entity_helpers import inherit_property_from
+
+from .. import copy_ns
+
+CopyNumber = copy_ns.class_("CopyNumber", number.Number, cg.Component)
+
+
+CONFIG_SCHEMA = number.NUMBER_SCHEMA.extend(
+    {
+        cv.GenerateID(): cv.declare_id(CopyNumber),
+        cv.Required(CONF_SOURCE_ID): cv.use_id(number.Number),
+    }
+).extend(cv.COMPONENT_SCHEMA)
+
+FINAL_VALIDATE_SCHEMA = cv.All(
+    inherit_property_from(CONF_ICON, CONF_SOURCE_ID),
+    inherit_property_from(CONF_ENTITY_CATEGORY, CONF_SOURCE_ID),
+    inherit_property_from(CONF_UNIT_OF_MEASUREMENT, CONF_SOURCE_ID),
+    inherit_property_from(CONF_MODE, CONF_SOURCE_ID),
+)
+
+
+async def to_code(config):
+    var = await number.new_number(config, min_value=0, max_value=0, step=0)
+    await cg.register_component(var, config)
+
+    source = await cg.get_variable(config[CONF_SOURCE_ID])
+    cg.add(var.set_source(source))

esphome/components/copy/number/copy_number.cpp

@@ -0,0 +1,29 @@
+#include "copy_number.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace copy {
+
+static const char *const TAG = "copy.number";
+
+void CopyNumber::setup() {
+  source_->add_on_state_callback([this](float value) { this->publish_state(value); });
+
+  traits.set_min_value(source_->traits.get_min_value());
+  traits.set_max_value(source_->traits.get_max_value());
+  traits.set_step(source_->traits.get_step());
+
+  if (source_->has_state())
+    this->publish_state(source_->state);
+}
+
+void CopyNumber::dump_config() { LOG_NUMBER("", "Copy Number", this); }
+
+void CopyNumber::control(float value) {
+  auto call2 = source_->make_call();
+  call2.set_value(value);
+  call2.perform();
+}
+
+}  // namespace copy
+}  // namespace esphome

esphome/components/copy/number/copy_number.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/number/number.h"
+
+namespace esphome {
+namespace copy {
+
+class CopyNumber : public number::Number, public Component {
+ public:
+  void set_source(number::Number *source) { source_ = source; }
+  void setup() override;
+  void dump_config() override;
+  float get_setup_priority() const override { return setup_priority::DATA; }
+
+ protected:
+  void control(float value) override;
+
+  number::Number *source_;
+};
+
+}  // namespace copy
+}  // namespace esphome

esphome/components/copy/select/__init__.py

@@ -0,0 +1,36 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import select
+from esphome.const import (
+    CONF_ENTITY_CATEGORY,
+    CONF_ICON,
+    CONF_ID,
+    CONF_SOURCE_ID,
+)
+from esphome.core.entity_helpers import inherit_property_from
+
+from .. import copy_ns
+
+CopySelect = copy_ns.class_("CopySelect", select.Select, cg.Component)
+
+
+CONFIG_SCHEMA = select.SELECT_SCHEMA.extend(
+    {
+        cv.GenerateID(): cv.declare_id(CopySelect),
+        cv.Required(CONF_SOURCE_ID): cv.use_id(select.Select),
+    }
+).extend(cv.COMPONENT_SCHEMA)
+
+FINAL_VALIDATE_SCHEMA = cv.All(
+    inherit_property_from(CONF_ICON, CONF_SOURCE_ID),
+    inherit_property_from(CONF_ENTITY_CATEGORY, CONF_SOURCE_ID),
+)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    await select.register_select(var, config, options=[])
+    await cg.register_component(var, config)
+
+    source = await cg.get_variable(config[CONF_SOURCE_ID])
+    cg.add(var.set_source(source))

esphome/components/copy/select/copy_select.cpp

@@ -0,0 +1,27 @@
+#include "copy_select.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace copy {
+
+static const char *const TAG = "copy.select";
+
+void CopySelect::setup() {
+  source_->add_on_state_callback([this](const std::string &value) { this->publish_state(value); });
+
+  traits.set_options(source_->traits.get_options());
+
+  if (source_->has_state())
+    this->publish_state(source_->state);
+}
+
+void CopySelect::dump_config() { LOG_SELECT("", "Copy Select", this); }
+
+void CopySelect::control(const std::string &value) {
+  auto call = source_->make_call();
+  call.set_option(value);
+  call.perform();
+}
+
+}  // namespace copy
+}  // namespace esphome

esphome/components/copy/select/copy_select.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/select/select.h"
+
+namespace esphome {
+namespace copy {
+
+class CopySelect : public select::Select, public Component {
+ public:
+  void set_source(select::Select *source) { source_ = source; }
+  void setup() override;
+  void dump_config() override;
+  float get_setup_priority() const override { return setup_priority::DATA; }
+
+ protected:
+  void control(const std::string &value) override;
+
+  select::Select *source_;
+};
+
+}  // namespace copy
+}  // namespace esphome

esphome/components/copy/sensor/__init__.py

@@ -0,0 +1,45 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import sensor
+from esphome.const import (
+    CONF_DEVICE_CLASS,
+    CONF_ENTITY_CATEGORY,
+    CONF_ICON,
+    CONF_SOURCE_ID,
+    CONF_STATE_CLASS,
+    CONF_UNIT_OF_MEASUREMENT,
+    CONF_ACCURACY_DECIMALS,
+)
+from esphome.core.entity_helpers import inherit_property_from
+
+from .. import copy_ns
+
+CopySensor = copy_ns.class_("CopySensor", sensor.Sensor, cg.Component)
+
+
+CONFIG_SCHEMA = (
+    sensor.sensor_schema(CopySensor)
+    .extend(
+        {
+            cv.Required(CONF_SOURCE_ID): cv.use_id(sensor.Sensor),
+        }
+    )
+    .extend(cv.COMPONENT_SCHEMA)
+)
+
+FINAL_VALIDATE_SCHEMA = cv.All(
+    inherit_property_from(CONF_UNIT_OF_MEASUREMENT, CONF_SOURCE_ID),
+    inherit_property_from(CONF_ICON, CONF_SOURCE_ID),
+    inherit_property_from(CONF_ACCURACY_DECIMALS, CONF_SOURCE_ID),
+    inherit_property_from(CONF_DEVICE_CLASS, CONF_SOURCE_ID),
+    inherit_property_from(CONF_STATE_CLASS, CONF_SOURCE_ID),
+    inherit_property_from(CONF_ENTITY_CATEGORY, CONF_SOURCE_ID),
+)
+
+
+async def to_code(config):
+    var = await sensor.new_sensor(config)
+    await cg.register_component(var, config)
+
+    source = await cg.get_variable(config[CONF_SOURCE_ID])
+    cg.add(var.set_source(source))

esphome/components/copy/sensor/copy_sensor.cpp

@@ -0,0 +1,18 @@
+#include "copy_sensor.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace copy {
+
+static const char *const TAG = "copy.sensor";
+
+void CopySensor::setup() {
+  source_->add_on_state_callback([this](float value) { this->publish_state(value); });
+  if (source_->has_state())
+    this->publish_state(source_->state);
+}
+
+void CopySensor::dump_config() { LOG_SENSOR("", "Copy Sensor", this); }
+
+}  // namespace copy
+}  // namespace esphome

esphome/components/copy/sensor/copy_sensor.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/sensor/sensor.h"
+
+namespace esphome {
+namespace copy {
+
+class CopySensor : public sensor::Sensor, public Component {
+ public:
+  void set_source(sensor::Sensor *source) { source_ = source; }
+  void setup() override;
+  void dump_config() override;
+  float get_setup_priority() const override { return setup_priority::DATA; }
+
+ protected:
+  sensor::Sensor *source_;
+};
+
+}  // namespace copy
+}  // namespace esphome

esphome/components/copy/switch/__init__.py

@@ -0,0 +1,38 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import switch
+from esphome.const import (
+    CONF_DEVICE_CLASS,
+    CONF_ENTITY_CATEGORY,
+    CONF_ICON,
+    CONF_ID,
+    CONF_SOURCE_ID,
+)
+from esphome.core.entity_helpers import inherit_property_from
+
+from .. import copy_ns
+
+CopySwitch = copy_ns.class_("CopySwitch", switch.Switch, cg.Component)
+
+
+CONFIG_SCHEMA = switch.SWITCH_SCHEMA.extend(
+    {
+        cv.GenerateID(): cv.declare_id(CopySwitch),
+        cv.Required(CONF_SOURCE_ID): cv.use_id(switch.Switch),
+    }
+).extend(cv.COMPONENT_SCHEMA)
+
+FINAL_VALIDATE_SCHEMA = cv.All(
+    inherit_property_from(CONF_ICON, CONF_SOURCE_ID),
+    inherit_property_from(CONF_ENTITY_CATEGORY, CONF_SOURCE_ID),
+    inherit_property_from(CONF_DEVICE_CLASS, CONF_SOURCE_ID),
+)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    await switch.register_switch(var, config)
+    await cg.register_component(var, config)
+
+    source = await cg.get_variable(config[CONF_SOURCE_ID])
+    cg.add(var.set_source(source))

esphome/components/copy/switch/copy_switch.cpp

@@ -0,0 +1,26 @@
+#include "copy_switch.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace copy {
+
+static const char *const TAG = "copy.switch";
+
+void CopySwitch::setup() {
+  source_->add_on_state_callback([this](float value) { this->publish_state(value); });
+
+  this->publish_state(source_->state);
+}
+
+void CopySwitch::dump_config() { LOG_SWITCH("", "Copy Switch", this); }
+
+void CopySwitch::write_state(bool state) {
+  if (state) {
+    source_->turn_on();
+  } else {
+    source_->turn_off();
+  }
+}
+
+}  // namespace copy
+}  // namespace esphome

esphome/components/copy/switch/copy_switch.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/switch/switch.h"
+
+namespace esphome {
+namespace copy {
+
+class CopySwitch : public switch_::Switch, public Component {
+ public:
+  void set_source(switch_::Switch *source) { source_ = source; }
+  void setup() override;
+  void dump_config() override;
+  float get_setup_priority() const override { return setup_priority::DATA; }
+
+ protected:
+  void write_state(bool state) override;
+
+  switch_::Switch *source_;
+};
+
+}  // namespace copy
+}  // namespace esphome

esphome/components/copy/text_sensor/__init__.py

@@ -0,0 +1,37 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import text_sensor
+from esphome.const import (
+    CONF_ENTITY_CATEGORY,
+    CONF_ICON,
+    CONF_SOURCE_ID,
+)
+from esphome.core.entity_helpers import inherit_property_from
+
+from .. import copy_ns
+
+CopyTextSensor = copy_ns.class_("CopyTextSensor", text_sensor.TextSensor, cg.Component)
+
+
+CONFIG_SCHEMA = (
+    text_sensor.text_sensor_schema(CopyTextSensor)
+    .extend(
+        {
+            cv.Required(CONF_SOURCE_ID): cv.use_id(text_sensor.TextSensor),
+        }
+    )
+    .extend(cv.COMPONENT_SCHEMA)
+)
+
+FINAL_VALIDATE_SCHEMA = cv.All(
+    inherit_property_from(CONF_ICON, CONF_SOURCE_ID),
+    inherit_property_from(CONF_ENTITY_CATEGORY, CONF_SOURCE_ID),
+)
+
+
+async def to_code(config):
+    var = await text_sensor.new_text_sensor(config)
+    await cg.register_component(var, config)
+
+    source = await cg.get_variable(config[CONF_SOURCE_ID])
+    cg.add(var.set_source(source))

esphome/components/copy/text_sensor/copy_text_sensor.cpp

@@ -0,0 +1,18 @@
+#include "copy_text_sensor.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace copy {
+
+static const char *const TAG = "copy.text_sensor";
+
+void CopyTextSensor::setup() {
+  source_->add_on_state_callback([this](const std::string &value) { this->publish_state(value); });
+  if (source_->has_state())
+    this->publish_state(source_->state);
+}
+
+void CopyTextSensor::dump_config() { LOG_TEXT_SENSOR("", "Copy Sensor", this); }
+
+}  // namespace copy
+}  // namespace esphome

esphome/components/copy/text_sensor/copy_text_sensor.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/text_sensor/text_sensor.h"
+
+namespace esphome {
+namespace copy {
+
+class CopyTextSensor : public text_sensor::TextSensor, public Component {
+ public:
+  void set_source(text_sensor::TextSensor *source) { source_ = source; }
+  void setup() override;
+  void dump_config() override;
+  float get_setup_priority() const override { return setup_priority::DATA; }
+
+ protected:
+  text_sensor::TextSensor *source_;
+};
+
+}  // namespace copy
+}  // namespace esphome

esphome/const.py

@@ -621,6 +621,7 @@ CONF_SLEEP_PIN = "sleep_pin"
 CONF_SLEEP_WHEN_DONE = "sleep_when_done"
 CONF_SONY = "sony"
 CONF_SOURCE = "source"
+CONF_SOURCE_ID = "source_id"
 CONF_SPEED = "speed"
 CONF_SPEED_COMMAND_TOPIC = "speed_command_topic"
 CONF_SPEED_COUNT = "speed_count"

tests/test1.yaml

@@ -2104,6 +2104,9 @@ fan:
     on_speed_set:
       then:
         - logger.log: "Fan speed was changed!"
+  - platform: copy
+    source_id: fan_speed
+    name: "Fan Speed Copy"
 
 interval:
   - interval: 10s
@@ -2671,6 +2674,9 @@ select:
       - one
       - two
     optimistic: true
+  - platform: copy
+    source_id: test_select
+    name: Test Select Copy
 
 qr_code:
   - id: homepage_qr
@@ -2700,3 +2706,6 @@ lock:
     name: "Generic Output Lock"
     id: test_lock2
     output: pca_6
+  - platform: copy
+    source_id: test_lock2
+    name: Generic Output Lock Copy

tests/test4.yaml

@@ -221,6 +221,10 @@ sensor:
   - platform: mcp3204
     name: "MCP3204 Pin 1"
     number: 1
+    id: mcp_sensor
+  - platform: copy
+    source_id: mcp_sensor
+    name: "MCP binary sensor copy"
 
 #
 # platform sensor.apds9960 requires component apds9960
@@ -364,6 +368,9 @@ switch:
       name: inverter0_pv_ok_condition_for_parallel
     pv_power_balance:
       name: inverter0_pv_power_balance
+  - platform: copy
+    source_id: tuya_switch
+    name: Tuya Switch Copy
 
 light:
   - platform: fastled_clockless
@@ -391,6 +398,9 @@ cover:
   - platform: tuya
     id: tuya_cover
     position_datapoint: 2
+  - platform: copy
+    source_id: tuya_cover
+    name: "Tuya Cover copy"
 
 display:
   - platform: addressable_light
@@ -465,6 +475,9 @@ number:
     min_value: 0
     max_value: 17
     step: 1
+  - platform: copy
+    source_id: tuya_number
+    name: Tuya Number Copy
 
 text_sensor:
   - platform: pipsolar
@@ -484,6 +497,9 @@ text_sensor:
     last_qflag:
       id: inverter0_last_qflag
       name: inverter0_last_qflag
+  - platform: copy
+    source_id: inverter0_device_mode
+    name: "Inverter Text Sensor Copy"
 
 output:
   - platform: pipsolar
@@ -552,6 +568,11 @@ button:
     name: Safe Mode Button
   - platform: shutdown
     name: Shutdown Button
+    id: shutdown_btn
+  - platform: copy
+    source_id: shutdown_btn
+    name: Shutdown Button Copy
+
 
 touchscreen:
   - platform: ektf2232