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reading.py
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# -*- coding: utf-8 -*-
# This file is based on the Japanese Support add-on's reading.py, which can be
# found at <https://github.com/ankitects/anki-addons>.
#
# Copyright: Ankitects Pty Ltd and contributors
# License: GNU GPL, version 3 or later; http://www.gnu.org/copyleft/gpl.html
#
# Automatic reading generation with kakasi and mecab.
#
import sys
import os
import re
import subprocess
from anki.utils import isWin, isMac
kakasiArgs = ["-isjis", "-osjis", "-u", "-JH", "-KH"]
mecabArgs = ['--node-format=%m[%f[7]] ', '--eos-format=\n',
'--unk-format=%m[] ']
mecabDir = os.path.join(os.path.dirname(__file__), "support")
HTML_REPLACER = '▦'
NEWLINE_REPLACER = '▧'
def htmlReplace(text):
pattern = r"(?:<[^<]+?>)"
matches = re.findall(pattern, text)
text = re.sub(r"<[^<]+?>", HTML_REPLACER, text)
return matches, text
def escapeText(text):
text = text.replace("\n", " ")
text = text.replace(u'\uff5e', "~")
text = re.sub("<br( /)?>", NEWLINE_REPLACER, text)
#showInfo(text)
matches, text = htmlReplace(text)
text = text.replace(NEWLINE_REPLACER, "<br>")
return matches, text
if sys.platform == "win32":
si = subprocess.STARTUPINFO()
try:
si.dwFlags |= subprocess.STARTF_USESHOWWINDOW
except:
si.dwFlags |= subprocess._subprocess.STARTF_USESHOWWINDOW
else:
si = None
# Mecab
def mungeForPlatform(popen):
if isWin:
popen = [os.path.normpath(x) for x in popen]
popen[0] += ".exe"
elif not isMac:
popen[0] += ".lin"
return popen
class MecabController(object):
def __init__(self):
self.mecab = None
def setup(self):
self.mecabCmd = mungeForPlatform([os.path.join(mecabDir, "mecab")] + mecabArgs + ['-d', mecabDir, '-r', os.path.join(mecabDir, "mecabrc")])
os.environ['DYLD_LIBRARY_PATH'] = mecabDir
os.environ['LD_LIBRARY_PATH'] = mecabDir
if not isWin:
os.chmod(self.mecabCmd[0], 0o755)
def ensureOpen(self):
if not self.mecab:
self.setup()
try:
self.mecab = subprocess.Popen(self.mecabCmd, bufsize=-1, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, startupinfo=si)
except OSError:
raise Exception(
"Please ensure your Linux system has 64 bit binary support.")
def reading(self, expr, ignoreNumbers = False, useRubyTags = True):
self.ensureOpen()
matches, expr = escapeText(expr)
self.mecab.stdin.write(expr.encode("utf-8", "ignore") + b'\n')
self.mecab.stdin.flush()
expr = self.mecab.stdout.readline().rstrip(b'\r\n').decode('utf-8', "ignore")
out = []
for node in expr.split(" "):
if not node:
break
(kanji, reading) = re.match(r"(.+)\[(.*)\]", node).groups()
# hiragana, punctuation, not japanese, or lacking a reading
if kanji == reading or not reading:
out.append(kanji)
continue
# katakana
if kanji == kakasi.reading(reading):
out.append(kanji)
continue
# convert to hiragana
reading = kakasi.reading(reading)
# ended up the same
if reading == kanji:
out.append(kanji)
continue
# don't add readings of numbers
if ignoreNumbers and kanji in u"一二三四五六七八九十０１２３４５６７８９":
out.append(kanji)
continue
# strip matching characters and beginning and end of reading and kanji
# reading should always be at least as long as the kanji
placeL = 0
placeR = 0
for i in range(1, len(kanji)):
if kanji[-i] != reading[-i]:
break
placeR = i
for i in range(0, len(kanji)-1):
if kanji[i] != reading[i]:
break
placeL = i+1
if placeL == 0:
if placeR == 0:
out.append(" %s[%s]" % (kanji, reading))
else:
out.append(" %s[%s]%s" % (
kanji[:-placeR], reading[:-placeR], reading[-placeR:]))
else:
if placeR == 0:
out.append("%s %s[%s]" % (
reading[:placeL], kanji[placeL:], reading[placeL:]))
else:
out.append("%s %s[%s]%s" % (
reading[:placeL], kanji[placeL:-placeR],
reading[placeL:-placeR], reading[-placeR:]))
fin = ''.join(out)
for match in matches:
fin = fin.replace(HTML_REPLACER, match, 1)
returnCandidate = re.sub(r'& ?nbsp ?;', ' ', re.sub(r"< ?br ?>", "<br>", re.sub(r"> ", ">", fin.strip())))
if not useRubyTags:
return returnCandidate
else:
words = returnCandidate.split(" ")
for i, word in enumerate(words):
if "[" in word or "]" in word:
# get everthing between the brackets
between = re.search(r"\[(.*?)\]", word).group(1)
# get everything before the brackets
before = re.search(r"(.*?)\[", word).group(1)
# get everything before the closed bracket
toReplace = re.search(r"(.*?)\]", word).group(1) + "]"
words[i] = word.replace(toReplace, "<ruby>" + before + "<rp>(</rp><rt>" + between + "</rt><rp>)</rp></ruby>")
return ''.join(words)
# Kakasi
class KakasiController(object):
def __init__(self):
self.kakasi = None
def setup(self):
self.kakasiCmd = mungeForPlatform([os.path.join(mecabDir, "kakasi")] + kakasiArgs)
os.environ['ITAIJIDICT'] = os.path.join(mecabDir, "itaijidict")
os.environ['KANWADICT'] = os.path.join(mecabDir, "kanwadict")
if not isWin:
os.chmod(self.kakasiCmd[0], 0o755)
def ensureOpen(self):
if not self.kakasi:
self.setup()
try:
self.kakasi = subprocess.Popen(self.kakasiCmd, bufsize=-1, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, startupinfo=si)
except OSError:
raise Exception("Please install kakasi")
def reading(self, expr):
self.ensureOpen()
_, expr = escapeText(expr)
self.kakasi.stdin.write(expr.encode("sjis", "ignore") + b'\n')
self.kakasi.stdin.flush()
res = self.kakasi.stdout.readline().rstrip(b'\r\n').decode("sjis")
return res
# Init
kakasi = KakasiController()
mecab = MecabController()