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# -*- coding: utf-8 -*-
# vim:set et sts=4 sw=4:
#
# libpinyin - Library to deal with pinyin.
#
# Copyright (C) 2011 Peng Wu <alexepico@gmail.com>
#
# 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 2, 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, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
import pinyin
import bopomofo
import chewing
import itertools
from correct import *
pinyin_list = sorted(bopomofo.PINYIN_BOPOMOFO_MAP.keys())
shengmu_list = sorted(pinyin.SHENGMU_LIST)
def check_pinyin_chewing_map():
for pinyin_key in pinyin.PINYIN_DICT.keys():
if pinyin_key in pinyin_list:
pass
else:
print("pinyin %s has no chewing mapping", pinyin_key)
def get_chewing(pinyin_key):
initial, middle, final = \
'CHEWING_ZERO_INITIAL', 'CHEWING_ZERO_MIDDLE', 'CHEWING_ZERO_FINAL'
assert pinyin_key != None
assert pinyin_key in bopomofo.PINYIN_BOPOMOFO_MAP
#handle 'w' and 'y'
if pinyin_key[0] == 'w':
initial = 'PINYIN_W'
if pinyin_key[0] == 'y':
initial = 'PINYIN_Y'
#get chewing string
bopomofo_str = bopomofo.PINYIN_BOPOMOFO_MAP[pinyin_key]
#handle bopomofo SPECIAL_INITIAL_SET
if pinyin_key in bopomofo.SPECIAL_INITIAL_SET:
middle = "CHEWING_I"
#normal process
for char in bopomofo_str:
if char in chewing.CHEWING_ASCII_INITIAL_MAP:
initial = chewing.CHEWING_ASCII_INITIAL_MAP[char]
if char in chewing.CHEWING_ASCII_MIDDLE_MAP:
middle = chewing.CHEWING_ASCII_MIDDLE_MAP[char]
if char in chewing.CHEWING_ASCII_FINAL_MAP:
final = chewing.CHEWING_ASCII_FINAL_MAP[char]
if char == "ㄜ": # merge "ㄝ" and "ㄜ"
final = "CHEWING_E"
post_process_rules = {
#handle "ueng"/"ong"
("CHEWING_U", "CHEWING_ENG"): ("CHEWING_ZERO_MIDDLE", "PINYIN_ONG"),
#handle "veng"/"iong"
("CHEWING_V", "CHEWING_ENG"): ("CHEWING_I", "PINYIN_ONG"),
#handle "ien"/"in"
("CHEWING_I", "CHEWING_EN"): ("CHEWING_ZERO_MIDDLE", "PINYIN_IN"),
#handle "ieng"/"ing"
("CHEWING_I", "CHEWING_ENG"): ("CHEWING_ZERO_MIDDLE", "PINYIN_ING"),
}
if (middle, final) in post_process_rules:
(middle, final) = post_process_rules[(middle, final)]
return initial, middle, final
def gen_pinyin_list():
for p in itertools.chain(gen_pinyins(),
gen_shengmu(),
gen_corrects(),
gen_u_to_v(),
):
yield p
def gen_pinyins():
#generate all pinyins in bopomofo
for pinyin_key in pinyin_list:
flags = []
if pinyin_key in bopomofo.PINYIN_BOPOMOFO_MAP.keys():
flags.append("IS_CHEWING")
if pinyin_key in pinyin.PINYIN_LIST or \
pinyin_key in pinyin.SHENGMU_LIST:
flags.append("IS_PINYIN")
if pinyin_key in shengmu_list:
flags.append("PINYIN_INCOMPLETE")
chewing_key = bopomofo.PINYIN_BOPOMOFO_MAP[pinyin_key]
if chewing_key in chewing.CHEWING_ASCII_INITIAL_MAP and \
pinyin_key not in bopomofo.SPECIAL_INITIAL_SET:
flags.append("CHEWING_INCOMPLETE")
yield pinyin_key, pinyin_key, chewing_key, \
flags, get_chewing(pinyin_key)
def get_shengmu_chewing(shengmu):
assert shengmu in shengmu_list, "Expected shengmu here."
chewing_key = 'CHEWING_{0}'.format(shengmu.upper())
if chewing_key in chewing.ASCII_CHEWING_INITIAL_MAP:
initial = chewing_key
else:
initial = 'PINYIN_{0}'.format(shengmu.upper())
return initial, "CHEWING_ZERO_MIDDLE", "CHEWING_ZERO_FINAL"
def gen_shengmu():
#generate all shengmu
for shengmu in shengmu_list:
if shengmu in pinyin_list:
continue
flags = ["IS_PINYIN", "PINYIN_INCOMPLETE"]
chewing_key = get_shengmu_chewing(shengmu)
chewing_initial = chewing_key[0]
if chewing_initial in chewing.ASCII_CHEWING_INITIAL_MAP:
chewing_initial = chewing.ASCII_CHEWING_INITIAL_MAP[chewing_initial]
yield shengmu, shengmu, chewing_initial, \
flags, chewing_key
def gen_corrects():
#generate corrections
for correct, wrong in auto_correct:
flags = ['IS_PINYIN', 'PINYIN_CORRECT_{0}_{1}'.format(wrong.upper(),
correct.upper())]
for pinyin_key in pinyin_list:
#fixes partial pinyin instead of the whole pinyin
if pinyin_key.endswith(correct) and pinyin_key != correct:
chewing_key = bopomofo.PINYIN_BOPOMOFO_MAP[pinyin_key]
new_pinyin_key = pinyin_key.replace(correct, wrong)
yield pinyin_key, new_pinyin_key, chewing_key,\
flags, get_chewing(pinyin_key)
def gen_u_to_v():
#generate U to V
for correct, wrong, flags in auto_correct_ext:
#over-ride flags
flags = ['IS_PINYIN', 'PINYIN_CORRECT_V_U']
pinyin_key = correct
chewing_key = bopomofo.PINYIN_BOPOMOFO_MAP[pinyin_key]
yield correct, wrong, chewing_key, flags, get_chewing(pinyin_key)
### main function ###
if __name__ == "__main__":
#pre-check here
check_pinyin_chewing_map()
#dump
for p in gen_pinyin_list():
print (p)
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