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Avoid copying translations for single components (#108645)

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J. Nick Koston 2024-01-24 08:52:34 -10:00 committed by GitHub
parent 852e4c21c6
commit f883f721c8
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1 changed files with 7 additions and 2 deletions
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homeassistant/helpers/translation.py
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@ -218,8 +218,14 @@ class _TranslationCache:
if components_to_load := components - loaded: if components_to_load := components - loaded:
await self._async_load(language, components_to_load) await self._async_load(language, components_to_load)
result: dict[str, str] = {}
category_cache = self.cache.get(language, {}).get(category, {}) category_cache = self.cache.get(language, {}).get(category, {})
# If only one component was requested, return it directly
# to avoid merging the dictionaries and keeping additional
# copies of the same data in memory.
if len(components) == 1 and (component := next(iter(components))):
return category_cache.get(component, {})
result: dict[str, str] = {}
for component in components.intersection(category_cache): for component in components.intersection(category_cache):
result.update(category_cache[component]) result.update(category_cache[component])
return result return result
@ -298,7 +304,6 @@ class _TranslationCache:
"""Extract resources into the cache.""" """Extract resources into the cache."""
resource: dict[str, Any] | str resource: dict[str, Any] | str
cached = self.cache.setdefault(language, {}) cached = self.cache.setdefault(language, {})
categories: set[str] = set() categories: set[str] = set()
for resource in translation_strings.values(): for resource in translation_strings.values():
categories.update(resource) categories.update(resource)