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This module offers a parser for ISO-8601 strings

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        Parse an ISO-8601 datetime string into a :class:`datetime.datetime`.

        An ISO-8601 datetime string consists of a date portion, followed
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        standard. Incomplete date formats (such as ``YYYY-MM``) may *not* be
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        Supported date formats are:

        Common:

        - ``YYYY``
        - ``YYYY-MM``
        - ``YYYY-MM-DD`` or ``YYYYMMDD``

        Uncommon:

        - ``YYYY-Www`` or ``YYYYWww`` - ISO week (day defaults to 0)
        - ``YYYY-Www-D`` or ``YYYYWwwD`` - ISO week and day

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        - ``hh:mm`` or ``hhmm``
        - ``hh:mm:ss`` or ``hhmmss``
        - ``hh:mm:ss.ssssss`` (Up to 6 sub-second digits)

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        Supported time zone offset formats are:

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        .. warning::

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