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encode_swe.py
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encode_swe.py
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import numpy as np
import re
class SWEEncoder_ja:
def __init__(self, bpe, emoji):
self.bpe = [[b] if (b==',' or ',' not in b) else b.split(',') for b in bpe]
self.swe = {}
for idx, b in enumerate(self.bpe):
for wd in b:
self.swe[wd] = idx
self.emoji = emoji
self.maxlen = np.max([len(w) for w in self.swe.keys()])
self.content_repatter1 = re.compile(r"(https?|ftp)(:\/\/[-_\.!~*\'()a-zA-Z0-9;\/?:\@&=\+$,%#]+)")
self.content_repatter2 = re.compile(r"[A-Za-z0-9\._+]*@[\-_0-9A-Za-z]+(\.[A-Za-z]+)*")
self.content_repatter3 = re.compile(r'[\(]{0,1}[0-9]{2,4}[\)\-\(]{0,1}[0-9]{2,4}[\)\-]{0,1}[0-9]{3,4}')
self.content_repatter4 = re.compile(r"([12]\d{3}[/\-年])*(0?[1-9]|1[0-2])[/\-月]((0?[1-9]|[12][0-9]|3[01])日?)*(\d{1,2}|:|\d{1,2}時|\d{1,2}分|\(日\)|\(月\)|\(火\)|\(水\)|\(木\)|\(金\)|\(土\)|㈰|㈪|㈫|㈬|㈭|㈮|㈯)*")
self.content_repatter5 = re.compile(r"(明治|大正|昭和|平成|令和|㍾|㍽|㍼|㍻|\u32ff)\d{1,2}年(0?[1-9]|1[0-2])月(0?[1-9]|[12][0-9]|3[01])日(\d{1,2}|:|\d{1,2}時|\d{1,2}分|\(日\)|\(月\)|\(火\)|\(水\)|\(木\)|\(金\)|\(土\)|㈰|㈪|㈫|㈬|㈭|㈮|㈯)*")
self.content_repatter6 = re.compile(r'((0|[1-9]\d*|[1-9]\d{0,2}(,\d{3})+)*億)*((0|[1-9]\d*|[1-9]\d{0,2}(,\d{3})+)*万)*((0|[1-9]\d*|[1-9]\d{0,2}(,\d{3})+)*千)*(0|[1-9]\d*|[1-9]\d{0,2}(,\d{3})+)*(千円|万円|千万円|円|千ドル|万ドル|千万ドル|ドル|千ユーロ|万ユーロ|千万ユーロ|ユーロ)+(\(税込\)|\(税抜\)|\+tax)*')
keisen = "─━│┃┄┅┆┇┈┉┊┋┌┍┎┏┐┑┒┓└┕┖┗┘┙┚┛├┝┞┟┠┡┢┣┤┥┦┧┨┩┪┫┬┭┮┯┰┱┲┳┴┵┶┷┸┹┺┻┼┽┾┿╀╁╂╃╄╅╆╇╈╉╊╋╌╍╎╏═║╒╓╔╕╖╗╘╙╚╛╜╝╞╟╠╡╢╣╤╥╦╧╨╩╪╫╬╭╮╯╰╱╲╳╴╵╶╷╸╹╺╻╼╽╾╿"
blocks = "▀▁▂▃▄▅▆▇█▉▊▋▌▍▎▏▐░▒▓▔▕▖▗▘▙▚▛▜▝▞▟"
self.content_trans1 = str.maketrans({k:'<BLOCK>' for k in keisen+blocks})
def __len__(self):
return len(self.bpe)
def clean_text(self, content):
content = self.content_repatter1.sub("<URL>" ,content)
content = self.content_repatter2.sub("<EMAIL>" ,content)
content = self.content_repatter3.sub("<TEL>" ,content)
content = self.content_repatter4.sub("<DATE>" ,content)
content = self.content_repatter5.sub("<DATE>" ,content)
content = self.content_repatter6.sub("<PRICE>" ,content)
content = content.translate(self.content_trans1)
while '<BLOCK><BLOCK>' in content:
content = content.replace('<BLOCK><BLOCK>', '<BLOCK>')
return content
def encode(self, text, clean=False):
text = text.replace(' ', '<SP>')
text = text.replace(' ', '<SP>')
text = text.replace('\r\n', '<BR>')
text = text.replace('\n', '<BR>')
text = text.replace('\r', '<BR>')
text = text.replace('\t', '<TAB>')
text = text.replace('—', 'ー')
text = text.replace('−', 'ー')
for k,v in self.emoji['emoji'].items():
if k in text:
text = text.replace(k, v)
if clean:
text = self.clean_text(text)
def checkkigou(x):
e = x.encode()
if len(x) == 1 and len(e)==2:
c = (int(e[0])<<8)+int(e[1])
if (c >= 0xc2a1 and c <= 0xc2bf) or (c >= 0xc780 and c <= 0xc783) or \
(c >= 0xcab9 and c <= 0xcbbf) or (c >= 0xcc80 and c <= 0xcda2):
return True
return False
def checku2e(x):
e = x.encode()
if len(x) == 1 and len(e)==3:
c = (int(e[0])<<16)+(int(e[1])<<8)+int(e[2])
if c >= 0xe28080 and c <= 0xe2b07f:
return True
return False
pos = 0
result = []
while pos < len(text):
end = min(len(text), pos+self.maxlen+1) if text[pos]=='<' else pos+3
kouho = []
for e in range(end, pos, -1):
wd = text[pos:e]
if wd in self.swe:
if wd[0]=='<' and len(wd) > 2:
kouho = [(self.swe[wd], e)]
break
else:
kouho.append((self.swe[wd], e))
if len(kouho) > 0:
wp,e = sorted(kouho, key=lambda x:x[0])[0]
result.append(wp)
pos = e
else:
end = pos+1
wd = text[pos:end]
if checkkigou(wd):
result.append(self.swe['<KIGOU>'])
elif checku2e(wd):
result.append(self.swe['<U2000U2BFF>'])
else:
for i in wd.encode('utf-8'):
result.append(self.swe['<|byte%d|>'%i])
pos = end
return result
def decode(self, tokens, breakline='\n'):
words = []
byte_tokens = []
for i in tokens:
word = self.bpe[i][0]
if word[:6] == '<|byte' and word[-2:] == '|>':
byte_tokens.append(int(word[6:-2]))
else:
if len(byte_tokens) > 0:
words.append(bytearray(byte_tokens).decode('utf-8', errors='replace'))
byte_tokens = []
if word[:7] == '<|emoji' and word[-2:] == '|>':
words.append(self.emoji['emoji_inv'][word])
elif word == '<SP>':
words.append(' ')
elif word == '<BR>':
words.append(breakline)
elif word == '<TAB>':
words.append('\t')
elif word == '<BLOCK>':
words.append('▀')
elif word == '<KIGOU>':
words.append('ǀ')
elif word == '<U2000U2BFF>':
words.append('‖')
else:
words.append(word)
if len(byte_tokens) > 0:
words.append(bytearray(byte_tokens).decode('utf-8', errors='replace'))
text = ''.join(words)
return text
if __name__=='__main__':
import argparse
import shutil
import os
import json
from tqdm import tqdm
import pickle
import uuid
from multiprocessing import Pool
parser = argparse.ArgumentParser()
parser.add_argument("--src_dir", help="source dir", required=True )
parser.add_argument("--dst_file", help="destnation file", required=True )
parser.add_argument("--tmp_dir", help="tempolary file", default="tmpfiles" )
parser.add_argument("--vocabulary", help="vocabulary file", default="ja-swe32k.txt" )
parser.add_argument("--num_process", help="process num", type=int, default=8 )
parser.add_argument("--combine", help="Concatenate files with <|endoftext|> separator into chunks of this minimum size", type=int, default=50000 )
parser.add_argument('--clean_text', action='store_true')
parser.add_argument("--tmpsilze", help="num chunks in tempolary file", type=int, default=5000 )
args = parser.parse_args()
if os.path.isdir(args.tmp_dir):
shutil.rmtree(args.tmp_dir)
os.mkdir(args.tmp_dir)
with open(args.vocabulary, encoding='utf-8') as f:
bpe = f.read().split('\n')
with open('emoji.json', encoding='utf-8') as f:
emoji = json.loads(f.read())
enc = SWEEncoder_ja(bpe, emoji)
array_file = []
def _proc(i):
token_chunks = []
raw_text = ''
for j, (curDir, dirs, files) in enumerate(array_file):
if not (j % args.num_process == i):
continue
print('append #',curDir)
for file in tqdm(files):
if file.endswith(".txt"):
input = os.path.join(curDir, file)
with open(input, 'r', encoding='utf-8') as fp:
raw_text += fp.read()
raw_text += '<|endoftext|>'
if len(raw_text) >= args.combine:
tokens = np.stack(enc.encode(raw_text, clean=args.clean_text))
token_chunks.append(tokens)
raw_text = ''
if raw_text and len(raw_text) > 0:
tokens = np.stack(enc.encode(raw_text))
token_chunks.append(tokens)
if len(token_chunks) > args.tmpsilze:
with open(os.path.join(args.tmp_dir, '%s.pkl'%str(uuid.uuid4())), 'wb') as f:
pickle.dump(token_chunks, f)
token_chunks = []
with open(os.path.join(args.tmp_dir, '%s.pkl'%str(uuid.uuid4())), 'wb') as f:
pickle.dump(token_chunks, f)
for curDir, dirs, files in os.walk(args.src_dir):
array_file.append((curDir, dirs, files))
with Pool(args.num_process) as p:
p.map(_proc, list(range(args.num_process)))
token_chunks = []
for s in os.listdir(args.tmp_dir):
with open(os.path.join(args.tmp_dir, s), 'rb') as f:
token_chunks.extend(pickle.load(f))
np.savez_compressed(args.dst_file, *token_chunks)
shutil.rmtree(args.tmp_dir)