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yomichan-anki/yomi_base/japanese/util.py

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# -*- coding: utf-8 -*-
# Copyright (C) 2013 Alex Yatskov
# This module is based on Rikaichan code written by Jonathan Zarate
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import re
def isHiragana(c):
return 0x3040 <= ord(c) < 0x30a0
def isKatakana(c):
return 0x30a0 <= ord(c) < 0x3100
def isKana(c):
return isHiragana(c) or isKatakana(c)
def isKanji(c):
return 0x4e00 <= ord(c) < 0x9fb0 or 0x3400 <= ord(c) < 0x4dc0
def isJapanese(c):
return isKana(c) or isKanji(c)
def sanitize(text, kana=True, wildcards=False):
if kana:
checker = isJapanese
else:
checker = isKanji
if wildcards:
text = re.sub(u'[\*]', u'%', text)
text = re.sub(u'[\?]', u'_', text)
overrides = [u'%', u'_']
else:
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overrides = []
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result = u''
for c in text:
if checker(c) or c in overrides:
result += c
return result