import struct
import os
# 拼音表偏移,
startPy = 0x1540
# 汉语词组表偏移
startChinese = 0x2628
# 全局拼音表
GPy_Table = {}
# 解析结果
# 元组(词频,拼音,中文词组)的列表
GTable = []
# 原始字节码转为字符串
def byte2str(data):
pos = 0
str = ''
while pos < len(data):
c = chr(struct.unpack('H', bytes([data[pos], data[pos + 1]]))[0])
if c != chr(0):
str += c
pos += 2
return str
# 获取拼音表
def getPyTable(data):
data = data[4:]
pos = 0
while pos < len(data):
index = struct.unpack('H', bytes([data[pos],data[pos + 1]]))[0]
pos += 2
lenPy = struct.unpack('H', bytes([data[pos], data[pos + 1]]))[0]
pos += 2
py = byte2str(data[pos:pos + lenPy])
GPy_Table[index] = py
pos += lenPy
# 获取一个词组的拼音
def getWordPy(data):
pos = 0
ret = ''
while pos < len(data):
index = struct.unpack('H', bytes([data[pos], data[pos + 1]]))[0]
ret += GPy_Table[index]
pos += 2
return ret
# 读取中文表
def getChinese(data):
pos = 0
while pos < len(data):
# 同音词数量
same = struct.unpack('H', bytes([data[pos], data[pos + 1]]))[0]
# 拼音索引表长度
pos += 2
py_table_len = struct.unpack('H', bytes([data[pos], data[pos + 1]]))[0]
# 拼音索引表
pos += 2
py = getWordPy(data[pos: pos + py_table_len])
# 中文词组
pos += py_table_len
for i in range(same):
# 中文词组长度
c_len = struct.unpack('H', bytes([data[pos], data[pos + 1]]))[0]
# 中文词组
pos += 2
word = byte2str(data[pos: pos + c_len])
# 扩展数据长度
pos += c_len
ext_len = struct.unpack('H', bytes([data[pos], data[pos + 1]]))[0]
# 词频
pos += 2
count = struct.unpack('H', bytes([data[pos], data[pos + 1]]))[0]
# 保存
GTable.append((count, py, word))
# 到下个词的偏移位置
pos += ext_len
def scel2txt(in_path,file_name):
print('-' * 60)
with open(in_path+file_name, 'rb') as f:
data = f.read()
print("词库名:", byte2str(data[0x130:0x338])) # .encode('GB18030')
print("词库类型:", byte2str(data[0x338:0x540]))
print("描述信息:", byte2str(data[0x540:0xd40]))
print("词库示例:", byte2str(data[0xd40:startPy]))
getPyTable(data[startPy:startChinese])
getChinese(data[startChinese:])
if __name__ == '__main__':
# scel所在文件夹路径
in_path = u"C:/Users/Administrator/Desktop/test/"
# 输出词典所在文件夹路径
out_path = u"C:/Users/Administrator/Desktop/test/sogou_dict.txt"
fin = [fname for fname in os.listdir(in_path) if fname[-5:] == ".scel"]
# print(fin)
for f in fin:
scel2txt(in_path,f)
# 保存结果
with open(out_path, 'w', encoding='utf8') as f:
f.writelines([word+'\n' for count, py, word in GTable])
上面 python 代码是能运行并得到正确结果。
现在想以 ruby 表达出来,以便更深入了解 ruby 的 encode。