Simplify unnecessary re match.groups()[0] calls (home-assistant#147909)

Author: scop

homeassistant/components/sonos/favorites.py

@@ -75,7 +75,7 @@ async def async_process_event(
         if not (match := re.search(r"FV:2,(\d+)", container_ids)):
             return
 
-        container_id = int(match.groups()[0])
+        container_id = int(match.group(1))
         event_id = int(event_id.split(",")[-1])
 
         async with self.cache_update_lock:

pylint/plugins/hass_enforce_type_hints.py

@@ -3241,7 +3241,7 @@ def _get_module_platform(module_name: str) -> str | None:
         # Or `homeassistant.components.<component>.<platform>`
         return None
 
-    platform = module_match.groups()[0]
+    platform = module_match.group(1)
     return platform.lstrip(".") if platform else "__init__"
 
 

pylint/plugins/hass_inheritance.py

@@ -18,7 +18,7 @@ def _get_module_platform(module_name: str) -> str | None:
         # Or `homeassistant.components.<component>.<platform>`
         return None
 
-    platform = module_match.groups()[0]
+    platform = module_match.group(1)
     return platform.lstrip(".") if platform else "__init__"
 
 

script/hassfest/translations.py

@@ -98,7 +98,7 @@ def find_references(
             continue
 
         if match := re.match(RE_REFERENCE, value):
-            found.append({"source": f"{prefix}::{key}", "ref": match.groups()[0]})
+            found.append({"source": f"{prefix}::{key}", "ref": match.group(1)})
 
 
 def removed_title_validator(
@@ -570,7 +570,7 @@ def validate_translation_file(
                 "translations",
                 "Lokalise supports only one level of references: "
                 f'"{reference["source"]}" should point to directly '
-                f'to "{match.groups()[0]}"',
+                f'to "{match.group(1)}"',
             )