forked from MirrorHub/synapse
Create singletons for StateFilter.{all,none}()
(#11836)
No point recreating these for each call, since they are frozen
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changelog.d/11836.misc
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changelog.d/11836.misc
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Minor performance improvement in room state lookup.
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@ -74,21 +74,21 @@ class StateFilter:
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@staticmethod
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def all() -> "StateFilter":
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"""Creates a filter that fetches everything.
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"""Returns a filter that fetches everything.
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Returns:
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The new state filter.
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The state filter.
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"""
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return StateFilter(types=frozendict(), include_others=True)
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return _ALL_STATE_FILTER
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@staticmethod
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def none() -> "StateFilter":
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"""Creates a filter that fetches nothing.
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"""Returns a filter that fetches nothing.
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Returns:
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The new state filter.
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"""
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return StateFilter(types=frozendict(), include_others=False)
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return _NONE_STATE_FILTER
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@staticmethod
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def from_types(types: Iterable[Tuple[str, Optional[str]]]) -> "StateFilter":
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@ -527,6 +527,10 @@ class StateFilter:
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)
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_ALL_STATE_FILTER = StateFilter(types=frozendict(), include_others=True)
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_NONE_STATE_FILTER = StateFilter(types=frozendict(), include_others=False)
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class StateGroupStorage:
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"""High level interface to fetching state for event."""
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