nvchecker/nvchecker_source/regex.py

40 lines
1.0 KiB
Python

# MIT licensed
# Copyright (c) 2013-2020 lilydjwg <lilydjwg@gmail.com>, et al.
import re
from nvchecker.api import session, GetVersionError
async def get_version(name, conf, *, cache, **kwargs):
try:
regex = re.compile(conf['regex'])
except re.error as e:
raise GetVersionError('bad regex', exc_info=e)
if regex.groups > 1:
raise GetVersionError('multi-group regex')
key = (
conf['url'],
conf.get('encoding', 'latin1'),
conf.get('post_data'),
conf.get('post_data_type', 'application/x-www-form-urlencoded'),
)
body = await cache.get(key, get_url)
versions = regex.findall(body)
if not versions and not conf.get('missing_ok', False):
raise GetVersionError('version string not found.')
return versions
async def get_url(info):
url, encoding, post_data, post_data_type = info
if post_data is None:
res = await session.get(url)
else:
res = await session.post(url, body = post_data, headers = {
'Content-Type': post_data_type,
})
body = res.body.decode(encoding)
return body