66 lines
2.2 KiB
Python
66 lines
2.2 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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from __future__ import unicode_literals
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from backports.functools_lru_cache import lru_cache
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import logging
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import socket
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__author__ = u'Artur Barseghyan'
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__copyright__ = u'2013-2019 Artur Barseghyan'
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__license__ = u'MPL-1.1 OR GPL-2.0-only OR LGPL-2.1-or-later'
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__all__ = (u'internet_available_only', u'log_info')
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LOG_INFO = True
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LOGGER = logging.getLogger(__name__)
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def log_info(func):
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u'Log some useful info.'
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if (not LOG_INFO):
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return func
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def inner(self, *args, **kwargs):
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u'Inner.'
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result = func(*([self] + list(args)), **kwargs)
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LOGGER.debug(u'\n\n%s', func.__name__)
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LOGGER.debug(u'============================')
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if func.__doc__:
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LOGGER.debug(u'""" %s """', func.__doc__.strip())
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LOGGER.debug(u'----------------------------')
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if (result is not None):
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LOGGER.debug(result)
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LOGGER.debug(u'\n++++++++++++++++++++++++++++')
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return result
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return inner
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@lru_cache(maxsize=32)
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def is_internet_available(host='8.8.8.8', port=53, timeout=3):
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u'Check if internet is available.\n\n Host: 8.8.8.8 (google-public-dns-a.google.com)\n OpenPort: 53/tcp\n Service: domain (DNS/TCP)\n '
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try:
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socket.setdefaulttimeout(timeout)
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socket.socket(socket.AF_INET, socket.SOCK_STREAM).connect((host, port))
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return True
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except socket.error as ex:
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print(ex)
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return False
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def internet_available_only(func):
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def inner(self, *args, **kwargs):
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u'Inner.'
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if (not is_internet_available()):
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LOGGER.debug(u'\n\n%s', func.__name__)
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LOGGER.debug(u'============================')
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if func.__doc__:
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LOGGER.debug(u'""" %s """', func.__doc__.strip())
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LOGGER.debug(u'----------------------------')
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LOGGER.debug(u'Skipping because no Internet connection available.')
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LOGGER.debug(u'\n++++++++++++++++++++++++++++')
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return None
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result = func(*([self] + list(args)), **kwargs)
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return result
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return inner
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