algorithm-in-python/utils/codecogs.py

65 lines
1.6 KiB
Python

''' mbinary
#########################################################################
# File : codecogs.py
# Author: mbinary
# Mail: zhuheqin1@gmail.com
# Blog: https://mbinary.xyz
# Github: https://github.com/mbinary
# Created Time: 2019-04-16 09:41
# Description:
#########################################################################
'''
import os
import re
import sys
from translate import Translator as TR
FORMULA = re.compile(r'\${1,2}(?P<formula>.+?)\${1,2}', re.DOTALL)
Chinese = re.compile(u"(?P<chinese>[\u4e00-\u9fa5]+)")
API = 'https://latex.codecogs.com/gif.latex?'
def codecog(f):
if os.path.exists(f) and f.endswith('.md'):
with open(f) as fp:
txt = fp.read()
with open(f, 'w') as fp:
fp.write(re.sub(FORMULA, covert, txt))
else:
s = re.sub(FORMULA, covert, f)
print(s)
def covert(matched):
s = matched.group('formula').strip('$ ')
s = re.sub(Chinese, zh2en, s)
s = re.sub(r'\r+|\n+|\\n', ' ', s)
s = re.sub(' +', '&space;', s)
return '![]({})'.format(API+s)
def zh2en(txt):
s = txt.group('chinese').strip()
tran = TR(to_lang='en', from_lang='zh')
en = tran.translate(s)
return re.sub(' +', '-', en)
def handle(path):
if os.path.isdir(path):
for p, ds, fs in os.walk(path):
for f in fs:
if f.endswith('.md'):
codecog(os.path.join(p, f))
else:
codecog(path)
if __name__ == '__main__':
args = sys.argv[1:]
if not args:
s = input('Input a file: ')
args.append(s)
for f in args:
handle(f)