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|fD ��}t��dkr��d r�|t � �fd d�td �d j�d j d |�D ��O }�tt|���S ) z� Build century regex for last year and the next years (distance).
Thereby respect possible run in the test-cases (alternate date used there)
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rC c C s< | dkr dS t j| �}|dkr*td| ��|j� } t| d�S )a& Validate a timezone and convert it to offset if it can (offset-based TZ).
For now this accepts the UTC[+-]hhmm format (UTC has aliases GMT/Z and optional).
Additionally it accepts all zone abbreviations mentioned below in TZ_STR.
Note that currently this zone abbreviations are offset-based and used fixed
offset without automatically DST-switch (if CET used then no automatically CEST-switch).
In the future, it may be extended for named time zones (such as Europe/Paris)
present on the system, if a suitable tz library is present (pytz).
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Parameters
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tz: symbolic timezone or offset (for now only TZA?([+-]hh:?mm?)? is supported,
as value are accepted:
int offset;
string in form like 'CET+0100' or 'UTC' or '-0400';
tuple (or list) in form (zone name, zone offset);
dt: datetime instance for offset computation (currently unused)
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j� }||tjdd#� k�r|j|d ||d$�}|dk �r*tj|j� �}ntj |j � �}|�rJ||d% 7 }|S ))a� Return time from dictionary of strptime fields
This is tweaked from python built-in _strptime.
Parameters
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found_dict : dict
Dictionary where keys represent the strptime fields, and values the
respective value.
default_tz : default timezone to apply if nothing relevant is in found_dict
(may be a non-fixed one in the future)
Returns
-------
float
Unix time stamp.
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-5 R CDT COT EASST ECT EST ET HAC HNE PET
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5 E AMST AQTT AZST HMT MAWT MVT PKT TFT TJT TMT UZT YEKT
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7 G CXT DAVT HOVT ICT KRAT NOVST OMSST THA WIB
8 H ACT AWST BDT BNT CAST HKT IRKT KRAST MYT PHT SGT ULAT WITA WST
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