mirror of
https://github.com/lilydjwg/nvchecker
synced 2024-12-13 02:05:33 +00:00
9acae25c0f
This is a regression since 2019 [1].
Before that commit, max() raises ValuError if re.findall returns an
empty list. After that commit, regex fails silently if nothing is found.
[1] 7897317294 (diff-fd40f1295f9ddece86df8d2c385ddb02bd4e2a10cd20bd9a95306d3d35a9b601)
29 lines
773 B
Python
29 lines
773 B
Python
# MIT licensed
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# Copyright (c) 2013-2020 lilydjwg <lilydjwg@gmail.com>, et al.
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import re
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import sre_constants
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from nvchecker.api import session, GetVersionError
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async def get_version(name, conf, *, cache, **kwargs):
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key = tuple(sorted(conf.items()))
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return await cache.get(key, get_version_impl)
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async def get_version_impl(info):
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conf = dict(info)
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try:
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regex = re.compile(conf['regex'])
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except sre_constants.error as e:
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raise GetVersionError('bad regex', exc_info=e)
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encoding = conf.get('encoding', 'latin1')
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res = await session.get(conf['url'])
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body = res.body.decode(encoding)
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versions = regex.findall(body)
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if not versions and not conf.get('missing_ok', False):
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raise GetVersionError('version string not found.')
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return versions
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