fulvia/modules/unicode_info.py

#!/usr/bin/env python3
"""
Displays information about unicode endpoints.
"""
import unicodedata
from module import commands, example


@commands('u')
@example('.u ‽', 'U+203D INTERROBANG (‽)')
@example('.u 203D', 'U+203D INTERROBANG (‽)')
def codepoint(bot, trigger):
	"""Looks up unicode information."""
	arg = trigger.group(2)
	if not arg:
		return bot.reply('What code point do you want me to look up?')
	stripped = arg.strip()
	if len(stripped) > 0:
		arg = stripped
	if len(arg) > 1:
		if arg.startswith('U+'):
			arg = arg[2:]
		try:
			arg = chr(int(arg, 16))
		except:
			return bot.reply("That's not a valid code point.")

	# Get the hex value for the code point, and drop the 0x from the front
	point = str(hex(ord(u'' + arg)))[2:]
	# Make the hex 4 characters long with preceding 0s, and all upper case
	point = point.rjust(4, str('0')).upper()
	try:
		name = unicodedata.name(arg)
	except ValueError:
		return 'U+%s (No name found)' % point

	if not unicodedata.combining(arg):
		template = 'U+%s %s (%s)'
	else:
		template = 'U+%s %s (\xe2\x97\x8c%s)'
	bot.msg(template % (point, name, arg))