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archinstall
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Speed up _count_wchars by avoiding east_asian_width calls (#3240) 

This commit helps avoid ~390,000 duplicate east_asian_width calls
when opening the additional packages menu.
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correctmost 2025-03-10 21:10:33 -04:00 committed by GitHub
parent a5fcf21a12
commit 2819ea02b1
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1 changed files with 7 additions and 1 deletions
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8
archinstall/lib/output.py
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@ -5,6 +5,7 @@ import unicodedata
from collections.abc import Callable from collections.abc import Callable
from dataclasses import asdict, is_dataclass from dataclasses import asdict, is_dataclass
from enum import Enum from enum import Enum
from functools import lru_cache
from pathlib import Path from pathlib import Path
from typing import TYPE_CHECKING, Any from typing import TYPE_CHECKING, Any
@ -327,9 +328,14 @@ def log(
Tui.print(text) Tui.print(text)
@lru_cache(maxsize=128)
def _is_wide_character(char: str) -> bool:
return unicodedata.east_asian_width(char) in 'FW'
def _count_wchars(string: str) -> int: def _count_wchars(string: str) -> int:
"Count the total number of wide characters contained in a string" "Count the total number of wide characters contained in a string"
return sum(unicodedata.east_asian_width(c) in 'FW' for c in string) return sum(_is_wide_character(c) for c in string)
def unicode_ljust(string: str, width: int, fillbyte: str = ' ') -> str: def unicode_ljust(string: str, width: int, fillbyte: str = ' ') -> str: