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72 lines
2.8 KiB
Python
72 lines
2.8 KiB
Python
# Copyright 2010-2022 Kurt McKee <contactme@kurtmckee.org>
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# Copyright 2002-2008 Mark Pilgrim
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# All rights reserved.
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#
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# This file is a part of feedparser.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS'
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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from time import struct_time
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from typing import Callable, List, Optional
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from .asctime import _parse_date_asctime
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from .greek import _parse_date_greek
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from .hungarian import _parse_date_hungarian
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from .iso8601 import _parse_date_iso8601
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from .korean import _parse_date_onblog, _parse_date_nate
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from .perforce import _parse_date_perforce
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from .rfc822 import _parse_date_rfc822
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from .w3dtf import _parse_date_w3dtf
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_date_handlers: List[Callable[[str], Optional[struct_time]]] = []
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def registerDateHandler(func):
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"""Register a date handler function (takes string, returns 9-tuple date in GMT)"""
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_date_handlers.insert(0, func)
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def _parse_date(date_string):
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"""Parses a variety of date formats into a 9-tuple in GMT"""
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if not date_string:
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return None
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for handler in _date_handlers:
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try:
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date9tuple = handler(date_string)
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except (KeyError, OverflowError, ValueError, AttributeError):
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continue
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if not date9tuple:
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continue
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if len(date9tuple) != 9:
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continue
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return date9tuple
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return None
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registerDateHandler(_parse_date_onblog)
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registerDateHandler(_parse_date_nate)
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registerDateHandler(_parse_date_greek)
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registerDateHandler(_parse_date_hungarian)
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registerDateHandler(_parse_date_perforce)
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registerDateHandler(_parse_date_asctime)
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registerDateHandler(_parse_date_iso8601)
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registerDateHandler(_parse_date_rfc822)
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registerDateHandler(_parse_date_w3dtf)
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