Install requirements for integrations in packages before importing them. (#25005)

* Process requirements for integrations in packages before loading

* trigger buld

homeassistant/config.py

@@ -30,6 +30,7 @@ from homeassistant.exceptions import HomeAssistantError
 from homeassistant.loader import (
     Integration, async_get_integration, IntegrationNotFound
 )
+from homeassistant.requirements import async_process_requirements
 from homeassistant.util.yaml import load_yaml, SECRET_YAML
 from homeassistant.util.package import is_docker_env
 import homeassistant.helpers.config_validation as cv
@@ -593,6 +594,13 @@ async def merge_packages_config(hass: HomeAssistant, config: Dict,
                 _log_pkg_error(pack_name, comp_name, config, "does not exist")
                 continue
 
+            if (not hass.config.skip_pip and integration.requirements and
+                    not await async_process_requirements(
+                        hass, integration.domain, integration.requirements)):
+                _log_pkg_error(pack_name, comp_name, config,
+                               "unable to install all requirements")
+                continue
+
             try:
                 component = integration.get_component()
             except ImportError: