merlin.dates¶
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merlin.dates.
enddate
(acquired)[source]¶ Returns the enddate from an acquired date string
Parameters: acquired (str) – / separated date range in iso8601 format Returns: End date Return type: str
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merlin.dates.
is_acquired
(acquired)[source]¶ Is the date string a / separated date range in iso8601 format?
Parameters: acquired – A date string Returns: True or False Return type: bool
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merlin.dates.
mapped
(chipmap)[source]¶ Transform a dict of chips into a dict of datestrings
Parameters: chipmap (dict) – {k: [chips]} Returns: {k: [datestring2, datestring1, datestring3]} Return type: dict
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merlin.dates.
rsort
(dateseq)[source]¶ Reverse sorts a sequence of dates.
Parameters: dateseq – sequence of dates Returns: reverse sorted sequence of dates Return type: sequence
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merlin.dates.
startdate
(acquired)[source]¶ Returns the startdate from an acquired date string
Parameters: acquired (str) – / separated date range in iso8601 format Returns: Start date Return type: str
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merlin.dates.
symmetric
(datemap)[source]¶ Returns a sequence of dates that are common to all map values if all datemap values are represented, else Exception.
Parameters: datemap – {key: [datestrings,]} Returns: Sequence of date strings or Exception Example
>>> common({"reds": [ds3, ds1, ds2], "blues": [ds2, ds3, ds1]}) [2, 3, 1] >>> >>> common({"reds": [ds3, ds1], "blues": [ds2, ds3, ds1]}) Exception: reds:[3, 1] does not match blues:[2, 3, 1]