Unicode codepoint lister

uclist

#!/usr/bin/python3
import sys

DATAFILE='/usr/share/unicode/UnicodeData.txt'

class Entry:
    def __init__(self, line):
        fields = line.split(';')
        self.codepoint = int(fields[0], 16)
        self.name = fields[1]
        self.description = fields[10]

    def get_description(self):
        if self.description: return self.description
        elif self.name:      return self.name


class Table:
    def __init__(self, f=DATAFILE):
        lines = open(f).readlines()
        self.map = {}
        for line in lines:
            e = Entry(line)
            self.map[e.codepoint] = e

    def get_description(self, codepoint):
        if isinstance(codepoint, str):
            codepoint = ord(codepoint)

        if codepoint in self.map:
            return self.map[codepoint].get_description()
        else:
            return '(unknown)'


table = Table()
for string in sys.argv[1:]:
    for codepoint in string:
        print("U+%04X\t%s\t%s" % (ord(codepoint), codepoint, table.get_description(codepoint)))