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[3.13] gh-111201: Speed up paste mode in the REPL (#119341) (GH-119432) (#119439)

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(cherry picked from commit e6572e8f98)

Also includes:

* gh-111201: Use calc_complete_screen after bracketed paste in PyREPL (GH-119432)
(cherry picked from commit 14b063cbf1)

Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
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Miss Islington (bot) 2024-05-23 06:23:40 +02:00 • committed by GitHub
parent 9fa1b4fc46
commit 58dbb4a4b0
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6 changed files with 22 additions and 16 deletions
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8
Lib/_pyrepl/utils.py
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@ -1,10 +1,14 @@
import re
import unicodedata
import functools
ANSI_ESCAPE_SEQUENCE = re.compile(r"\x1b\[[ -@]*[A-~]")
@functools.cache
def str_width(c: str) -> int:
if ord(c) < 128:
return 1
w = unicodedata.east_asian_width(c)
if w in ('N', 'Na', 'H', 'A'):
return 1
@ -13,6 +17,6 @@ def str_width(c: str) -> int:
def wlen(s: str) -> int:
length = sum(str_width(i) for i in s)
# remove lengths of any escape sequences
return length - sum(len(i) for i in ANSI_ESCAPE_SEQUENCE.findall(s))
sequence = ANSI_ESCAPE_SEQUENCE.findall(s)
return length - sum(len(i) for i in sequence)