Do not load ignored or disabled integrations at startup (#48355)

config_entries.async_setup will skip ignored and disabled integrations
but bootstrap would still load them in memory even though they would
never be setup.

homeassistant/config_entries.py

@@ -630,17 +630,18 @@ class ConfigEntries:
         EntityRegistryDisabledHandler(hass).async_setup()
 
     @callback
-    def async_domains(self) -> list[str]:
+    def async_domains(
+        self, include_ignore: bool = False, include_disabled: bool = False
+    ) -> list[str]:
         """Return domains for which we have entries."""
-        seen: set[str] = set()
-        result = []
-
-        for entry in self._entries.values():
-            if entry.domain not in seen:
-                seen.add(entry.domain)
-                result.append(entry.domain)
-
-        return result
+        return list(
+            {
+                entry.domain: None
+                for entry in self._entries.values()
+                if (include_ignore or entry.source != SOURCE_IGNORE)
+                and (include_disabled or not entry.disabled_by)
+            }
+        )
 
     @callback
     def async_get_entry(self, entry_id: str) -> ConfigEntry | None:

tests/test_config_entries.py

@@ -473,7 +473,7 @@ async def test_entries_gets_entries(manager):
     assert manager.async_entries("test2") == [entry1, entry2]
 
 
-async def test_domains_gets_uniques(manager):
+async def test_domains_gets_domains_uniques(manager):
     """Test we only return each domain once."""
     MockConfigEntry(domain="test").add_to_manager(manager)
     MockConfigEntry(domain="test2").add_to_manager(manager)
@@ -484,6 +484,46 @@ async def test_domains_gets_uniques(manager):
     assert manager.async_domains() == ["test", "test2", "test3"]
 
 
+async def test_domains_gets_domains_excludes_ignore_and_disabled(manager):
+    """Test we only return each domain once."""
+    MockConfigEntry(domain="test").add_to_manager(manager)
+    MockConfigEntry(domain="test2").add_to_manager(manager)
+    MockConfigEntry(domain="test2").add_to_manager(manager)
+    MockConfigEntry(
+        domain="ignored", source=config_entries.SOURCE_IGNORE
+    ).add_to_manager(manager)
+    MockConfigEntry(domain="test3").add_to_manager(manager)
+    MockConfigEntry(domain="disabled", disabled_by="user").add_to_manager(manager)
+    assert manager.async_domains() == ["test", "test2", "test3"]
+    assert manager.async_domains(include_ignore=False) == ["test", "test2", "test3"]
+    assert manager.async_domains(include_disabled=False) == ["test", "test2", "test3"]
+    assert manager.async_domains(include_ignore=False, include_disabled=False) == [
+        "test",
+        "test2",
+        "test3",
+    ]
+
+    assert manager.async_domains(include_ignore=True) == [
+        "test",
+        "test2",
+        "ignored",
+        "test3",
+    ]
+    assert manager.async_domains(include_disabled=True) == [
+        "test",
+        "test2",
+        "test3",
+        "disabled",
+    ]
+    assert manager.async_domains(include_ignore=True, include_disabled=True) == [
+        "test",
+        "test2",
+        "ignored",
+        "test3",
+        "disabled",
+    ]
+
+
 async def test_saving_and_loading(hass):
     """Test that we're saving and loading correctly."""
     mock_integration(