cpython/Tools/scripts/find-uname.py at pythoncore_fix · ammaraskar/cpython · GitHub

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#!/usr/bin/env python3

"""

For each argument on the command line, look for it in the set of all Unicode

names. Arguments are treated as case-insensitive regular expressions, e.g.:

% find-uname 'small letter a$' 'horizontal line'

*** small letter a$ matches ***

LATIN SMALL LETTER A (97)

COMBINING LATIN SMALL LETTER A (867)

CYRILLIC SMALL LETTER A (1072)

PARENTHESIZED LATIN SMALL LETTER A (9372)

CIRCLED LATIN SMALL LETTER A (9424)

FULLWIDTH LATIN SMALL LETTER A (65345)

*** horizontal line matches ***

HORIZONTAL LINE EXTENSION (9135)

"""

import unicodedata

import sys

import re

def main(args):

unicode_names = []

for ix in range(sys.maxunicode+1):

try:

unicode_names.append((ix, unicodedata.name(chr(ix))))

except ValueError: # no name for the character

pass

for arg in args:

pat = re.compile(arg, re.I)

matches = [(y,x) for (x,y) in unicode_names

if pat.search(y) is not None]

if matches:

print("***", arg, "matches", "***")

for match in matches:

print("%s (%d)" % match)

if __name__ == "__main__":

main(sys.argv[1:])