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Use FIFOCache.

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Related comments: https://github.com/Textualize/textual/pull/2604#discussion_r1202431626
This commit is contained in:
Rodrigo Girão Serrão
2023-05-23 15:32:49 +01:00
parent 239e5eebc6
commit 3308cdde1c
1 changed files with 3 additions and 2 deletions
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5
src/textual/suggester.py
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@@ -4,6 +4,7 @@ from abc import ABC, abstractmethod
from dataclasses import dataclass from dataclasses import dataclass
from typing import Iterable from typing import Iterable
from ._cache import FIFOCache
from .dom import DOMNode from .dom import DOMNode
from .message import Message from .message import Message
@@ -26,7 +27,7 @@ class Suggester(ABC):
See [`SuggestFromList`][textual.suggester.SuggestFromList] for an example. See [`SuggestFromList`][textual.suggester.SuggestFromList] for an example.
""" """
cache: dict[str, str | None] | None cache: FIFOCache[str, str | None] | None
"""Suggestion cache, if used.""" """Suggestion cache, if used."""
def __init__(self, use_cache: bool = True): def __init__(self, use_cache: bool = True):
@@ -35,7 +36,7 @@ class Suggester(ABC):
Args: Args:
use_cache: Whether to cache suggestion results. use_cache: Whether to cache suggestion results.
""" """
self.cache = {} if use_cache else None self.cache = FIFOCache(1024) if use_cache else None
async def _get_suggestion(self, requester: DOMNode, value: str) -> None: async def _get_suggestion(self, requester: DOMNode, value: str) -> None:
"""Used by widgets to get completion suggestions. """Used by widgets to get completion suggestions.