From 0b9c40a2330031da0daa9aa50be0b3ef7f3a10fc Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Sat, 30 Mar 2024 08:05:14 -1000
Subject: [PATCH] Fix workday doing blocking I/O in the event loop (#114492)

---
 homeassistant/components/workday/__init__.py | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/homeassistant/components/workday/__init__.py b/homeassistant/components/workday/__init__.py
index 195221ef088..077a6710b8d 100644
--- a/homeassistant/components/workday/__init__.py
+++ b/homeassistant/components/workday/__init__.py
@@ -2,6 +2,8 @@
 
 from __future__ import annotations
 
+from functools import partial
+
 from holidays import HolidayBase, country_holidays
 
 from homeassistant.config_entries import ConfigEntry
@@ -13,7 +15,7 @@ from homeassistant.helpers.issue_registry import IssueSeverity, async_create_iss
 from .const import CONF_PROVINCE, DOMAIN, PLATFORMS
 
 
-def _validate_country_and_province(
+async def _async_validate_country_and_province(
     hass: HomeAssistant, entry: ConfigEntry, country: str | None, province: str | None
 ) -> None:
     """Validate country and province."""
@@ -21,7 +23,7 @@ def _validate_country_and_province(
     if not country:
         return
     try:
-        country_holidays(country)
+        await hass.async_add_executor_job(country_holidays, country)
     except NotImplementedError as ex:
         async_create_issue(
             hass,
@@ -39,7 +41,9 @@ def _validate_country_and_province(
     if not province:
         return
     try:
-        country_holidays(country, subdiv=province)
+        await hass.async_add_executor_job(
+            partial(country_holidays, country, subdiv=province)
+        )
     except NotImplementedError as ex:
         async_create_issue(
             hass,
@@ -66,10 +70,12 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     country: str | None = entry.options.get(CONF_COUNTRY)
     province: str | None = entry.options.get(CONF_PROVINCE)
 
-    _validate_country_and_province(hass, entry, country, province)
+    await _async_validate_country_and_province(hass, entry, country, province)
 
     if country and CONF_LANGUAGE not in entry.options:
-        cls: HolidayBase = country_holidays(country, subdiv=province)
+        cls: HolidayBase = await hass.async_add_executor_job(
+            partial(country_holidays, country, subdiv=province)
+        )
         default_language = cls.default_language
         new_options = entry.options.copy()
         new_options[CONF_LANGUAGE] = default_language