#!/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:])