From 2b71d5496d1c415e335a637c0839259d2ba7f39a Mon Sep 17 00:00:00 2001
From: puddly <32534428+puddly@users.noreply.github.com>
Date: Fri, 11 Sep 2026 16:45:02 -0400
Subject: [PATCH] [const] Centralize definition of `CONF_MANUFACTURER` (#19098)

---
 esphome/components/const/__init__.py               | 1 +
 esphome/components/esp32_ble_server/__init__.py    | 2 +-
 esphome/components/sendspin/__init__.py            | 2 +-
 tests/component_tests/sendspin/test_device_info.py | 7 ++-----
 4 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/esphome/components/const/__init__.py b/esphome/components/const/__init__.py
index 49a625e3f1..256ab5c0a3 100644
--- a/esphome/components/const/__init__.py
+++ b/esphome/components/const/__init__.py
@@ -30,6 +30,7 @@ CONF_KEYS = "keys"
 CONF_LABEL = "label"
 CONF_LIBRETINY = "libretiny"
 CONF_LOOP = "loop"
+CONF_MANUFACTURER = "manufacturer"
 CONF_NOX_INDEX = "nox_index"
 CONF_ON_PACKET = "on_packet"
 CONF_ON_RECEIVE = "on_receive"
diff --git a/esphome/components/esp32_ble_server/__init__.py b/esphome/components/esp32_ble_server/__init__.py
index d8095cd702..118ae06e42 100644
--- a/esphome/components/esp32_ble_server/__init__.py
+++ b/esphome/components/esp32_ble_server/__init__.py
@@ -3,6 +3,7 @@ import encodings
 from esphome import automation
 import esphome.codegen as cg
 from esphome.components import esp32_ble
+from esphome.components.const import CONF_MANUFACTURER
 from esphome.components.esp32 import request_bluetooth
 from esphome.components.esp32_ble import BTLoggers, bt_uuid
 import esphome.config_validation as cv
@@ -41,7 +42,6 @@ CONF_DESCRIPTORS = "descriptors"
 CONF_ENDIANNESS = "endianness"
 CONF_FIRMWARE_VERSION = "firmware_version"
 CONF_INDICATE = "indicate"
-CONF_MANUFACTURER = "manufacturer"
 CONF_MANUFACTURER_DATA = "manufacturer_data"
 CONF_MAX_CLIENTS = "max_clients"
 CONF_ON_WRITE = "on_write"
diff --git a/esphome/components/sendspin/__init__.py b/esphome/components/sendspin/__init__.py
index c21047c70a..fda4d4f954 100644
--- a/esphome/components/sendspin/__init__.py
+++ b/esphome/components/sendspin/__init__.py
@@ -3,6 +3,7 @@ from dataclasses import dataclass, field
 from esphome import automation
 import esphome.codegen as cg
 from esphome.components import esp32, network, psram, socket, wifi
+from esphome.components.const import CONF_MANUFACTURER
 import esphome.config_validation as cv
 from esphome.const import (
     CONF_BUFFER_SIZE,
@@ -33,7 +34,6 @@ CONF_DISPLAY_OFFSET = "display_offset"
 CONF_SENDSPIN_ID = "sendspin_id"
 
 CONF_FIRMWARE_VERSION = "firmware_version"
-CONF_MANUFACTURER = "manufacturer"
 
 # An empty device information string would be sent to the server as an empty value rather than
 # falling back, so reject it instead of silently substituting the fallback. The 127 byte cap keeps
diff --git a/tests/component_tests/sendspin/test_device_info.py b/tests/component_tests/sendspin/test_device_info.py
index 833dd398b4..61c10676da 100644
--- a/tests/component_tests/sendspin/test_device_info.py
+++ b/tests/component_tests/sendspin/test_device_info.py
@@ -8,11 +8,8 @@ from pathlib import Path
 import pytest
 
 from esphome import config_validation as cv
-from esphome.components.sendspin import (
-    CONF_FIRMWARE_VERSION,
-    CONF_MANUFACTURER,
-    CONFIG_SCHEMA,
-)
+from esphome.components.const import CONF_MANUFACTURER
+from esphome.components.sendspin import CONF_FIRMWARE_VERSION, CONFIG_SCHEMA
 from esphome.const import CONF_MODEL, PlatformFramework
 from tests.component_tests.types import SetCoreConfigCallable