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gh-111201: A new Python REPL (GH-111567)

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Co-authored-by: Łukasz Langa <lukasz@langa.pl>
Co-authored-by: Marta Gómez Macías <mgmacias@google.com>
Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
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Pablo Galindo Salgado 2024-05-05 21:32:23 +02:00 • committed by GitHub
parent 40cc809902
commit f27f8c790a
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41 changed files with 5328 additions and 170 deletions
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18
Lib/_pyrepl/utils.py Normal file
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import re
import unicodedata
ANSI_ESCAPE_SEQUENCE = re.compile(r"\x1b\[[ -@]*[A-~]")
def str_width(c: str) -> int:
w = unicodedata.east_asian_width(c)
if w in ('N', 'Na', 'H', 'A'):
return 1
return 2
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))