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31 lines
No EOL
919 B
Python
31 lines
No EOL
919 B
Python
# MIT licensed
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# Copyright (c) 2020 Ypsilik <tt2laurent.maud@gmail.com>, et al.
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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 lxml import html, etree
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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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encoding = conf.get('encoding', 'latin1')
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res = await session.get(conf['url'])
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body = html.fromstring(res.body.decode(encoding))
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try:
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checkxpath = body.xpath(conf.get('xpath'))
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except etree.XPathEvalError as e:
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raise GetVersionError('bad xpath', exc_info=e)
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try:
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version = body.xpath(conf.get('xpath'))
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except ValueError:
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if not conf.get('missing_ok', False):
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raise GetVersionError('version string not found.')
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return version |