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    Generate an :RFC:`3339`-formatted timestamp from a
    :class:`datetime.datetime`.

    >>> from datetime import datetime
    >>> generate(datetime(2009,1,1,12,59,59,0,pytz.utc))
    '2009-01-01T12:59:59Z'

    The timestamp will use UTC unless `utc=False` is specified, in which case
    it will use the timezone from the :class:`datetime.datetime`'s
    :attr:`tzinfo` parameter.

    >>> eastern = pytz.timezone('US/Eastern')
    >>> dt = eastern.localize(datetime(2009,1,1,12,59,59))
    >>> generate(dt)
    '2009-01-01T17:59:59Z'
    >>> generate(dt, utc=False)
    '2009-01-01T12:59:59-05:00'

    Unless `accept_naive=True` is specified, the `datetime` must not be naive.

    >>> generate(datetime(2009,1,1,12,59,59,0))
    Traceback (most recent call last):
    ...
    ValueError: naive datetime and accept_naive is False

    >>> generate(datetime(2009,1,1,12,59,59,0), accept_naive=True)
    '2009-01-01T12:59:59Z'

    If `accept_naive=True` is specified, the `datetime` is assumed to be UTC.
    Attempting to generate a local timestamp from a naive datetime will result
    in an error.

    >>> generate(datetime(2009,1,1,12,59,59,0), accept_naive=True, utc=False)
    Traceback (most recent call last):
    ...
    ValueError: cannot generate a local timestamp from a naive datetime

    t   tzinfos'   cannot generate a local timestamp from s   a naive datetimes(   naive datetime and accept_naive is Falses   %Y-%m-%dT%H:%M:%Ss   .%ft   ZN(   R   t   Nonet   Truet   replacet   pytzt   utct
   ValueErrort
   astimezonet   strftimeR    R   t	   utcoffset(   t   dtR   t   accept_naivet   microsecondst	   timestamp(    (    s7   /usr/lib/python2.7/site-packages/pyrfc3339/generator.pyt   generate   s     ("(   R   t   pyrfc3339.utilsR    R   R   t   FalseR   (    (    (    s7   /usr/lib/python2.7/site-packages/pyrfc3339/generator.pyt   <module>   s   