utils.py

#!/usr/bin/env python3
from re import compile,sub,escape

def html_2_tex(text):
	#https://code.activestate.com/recipes/81330-single-pass-multiple-replace/
	dict = {'&nbsp;': '~', '&gt;':'>', '&lt;': '<'}
	""" Replace in 'text' all occurences of any key in the given
	dictionary by its corresponding value.  Returns the new tring."""
	# Create a regular expression  from the dictionary keys
	regex = compile("(%s)" % "|".join(map(escape, dict.keys())))

	# For each match, look-up corresponding value in dictionary
	return regex.sub(lambda mo: dict[mo.string[mo.start():mo.end()]], text)

def remove_moodle_cdata(txt):
	return txt.replace("<![CDATA[","").replace("]]>","")

def strip_tags(txt):
	return html_2_tex(sub(compile('<.*?>'), '',remove_moodle_cdata(txt)))

def mlang_2_multiling(txt):
	return sub(r"\{mlang en\}(.*?)\{mlang\}((\{mlang other\})|(\{mlang fr\}))(.*?)\{mlang\}", r"\\multiling{\5}{\1}",txt)

def score_2_str(v):
	if int(v)==float(v):
		res = str(int(v))
	else:
		res = str(float(v))
	return res