nvchecker/nvchecker/source/regex.py
lilydjwg 7897317294 add the "list options" feature
closes #83
old options will be removed in #99
2019-03-06 21:51:04 +08:00

37 lines
958 B
Python

# MIT licensed
# Copyright (c) 2013-2017 lilydjwg <lilydjwg@gmail.com>, et al.
import re
import sre_constants
import structlog
from . import session
logger = structlog.get_logger(logger_name=__name__)
async def get_version(name, conf, **kwargs):
try:
regex = re.compile(conf['regex'])
except sre_constants.error:
logger.warn('bad regex, skipped.', name=name, exc_info=True)
return
encoding = conf.get('encoding', 'latin1')
kwargs = {}
headers = {}
if conf.get('proxy'):
kwargs["proxy"] = conf.get("proxy")
if conf.get('user_agent'):
headers['User-Agent'] = conf['user_agent']
async with session.get(conf['url'], headers=headers, **kwargs) as res:
body = (await res.read()).decode(encoding)
try:
version = regex.findall(body)
except ValueError:
version = None
if not conf.getboolean('missing_ok', False):
logger.error('version string not found.', name=name)
return version