42 lines
1.2 KiB
Python
42 lines
1.2 KiB
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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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')
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parser = html.HTMLParser(encoding=encoding)
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data = conf.get('post_data')
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if data is None:
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res = await session.get(conf['url'])
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else:
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res = await session.post(conf['url'], body = data, headers = {
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'Content-Type': conf.get('post_data_type', 'application/x-www-form-urlencoded')
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})
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doc = html.fromstring(res.body, base_url=conf['url'], parser=parser)
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try:
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els = doc.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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except etree.XPathEvalError as e:
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raise GetVersionError('bad xpath', exc_info=e)
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version = [
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str(el)
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if isinstance(el, str)
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else str(el.text_content())
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for el in els
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]
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return version
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