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archinstall
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Speed up clear_vt100_escape_codes by caching an encode() result (#3238) 

This commit helps avoid ~280,000 redundant encode() calls when
opening the additional packages menu.
This commit is contained in:
correctmost 2025-03-10 07:03:29 -04:00 committed by GitHub
parent 55941cc40e
commit 624143ed96
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1 changed files with 6 additions and 4 deletions
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10
archinstall/lib/general.py
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@ -28,6 +28,10 @@ from .storage import storage
if TYPE_CHECKING:
from .installer import Installer
# https://stackoverflow.com/a/43627833/929999
_VT100_ESCAPE_REGEX = r'\x1B\[[?0-9;]*[a-zA-Z]'
_VT100_ESCAPE_REGEX_BYTES = _VT100_ESCAPE_REGEX.encode()
def generate_password(length: int = 64) -> str:
haystack = string.printable # digits, ascii_letters, punctuation (!"#$[] etc) and whitespace
@ -41,11 +45,9 @@ def locate_binary(name: str) -> str:
def clear_vt100_escape_codes(data: bytes | str) -> bytes | str:
# https://stackoverflow.com/a/43627833/929999
vt100_escape_regex = r'\x1B\[[?0-9;]*[a-zA-Z]'
if isinstance(data, bytes):
return re.sub(vt100_escape_regex.encode(), b'', data)
return re.sub(vt100_escape_regex, '', data)
return re.sub(_VT100_ESCAPE_REGEX_BYTES, b'', data)
return re.sub(_VT100_ESCAPE_REGEX, '', data)
def jsonify(obj: Any, safe: bool = True) -> Any: