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