import yaml
import json
from os.path import expanduser,exists
import logging
from sys import exit

from html import unescape  # python 3.4+

log = logging.getLogger("ebk-common")

def set_lol(lol:str ,log) -> None:
  numeric_level = getattr(logging,lol.upper(),None)
  if not isinstance(numeric_level,int):
    raise AttributeError('No such log level {}'.format(lol))
  logging.basicConfig(level=numeric_level)
  log.setLevel(numeric_level)

def load_config(path:str) -> dict:
    configpath = expanduser(path)
    if not exists(configpath):
        log.error(f"{configpath} does not exist, bailing out")
        exit(1)
    return yaml.safe_load(open(configpath))

def html_unescape(data):
    return unescape(data.decode())