Exemple #1
0
def dump_treasury_curves():
    """
    Dumps data to be used with zipline.

    Puts source treasury and data into zipline.
    """
    tr_data = []

    for curve in get_treasury_data():
        date_as_tuple = curve['date'].timetuple()[0:6] + \
            (curve['date'].microsecond,)
        # Not ideal but massaging data into expected format
        del curve['date']
        tr = (date_as_tuple, curve)
        tr_data.append(tr)

    with get_datafile('treasury_curves.msgpack', mode='wb') as tr_fp:
        tr_fp.write(msgpack.dumps(tr_data))
Exemple #2
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def dump_treasury_curves():
    """
    Dumps data to be used with zipline.

    Puts source treasury and data into zipline.
    """
    tr_data = []

    for curve in get_treasury_data():
        date_as_tuple = curve['date'].timetuple()[0:6] + \
            (curve['date'].microsecond,)
        # Not ideal but massaging data into expected format
        del curve['date']
        tr = (date_as_tuple, curve)
        tr_data.append(tr)

    with get_datafile('treasury_curves.msgpack', mode='wb') as tr_fp:
        tr_fp.write(msgpack.dumps(tr_data))
Exemple #3
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def update_treasury_curves(last_date):
    """
    Updates data in the zipline treasury curves message pack

    last_date should be a datetime object of the most recent data

    Puts source treasury and data into zipline.
    """
    tr_data = []
    with get_datafile('treasury_curves.msgpack', mode='rb') as tr_fp:
        tr_list = msgpack.loads(tr_fp.read())
        for packed_date, curve in tr_list:
            tr_data.append((packed_date, curve))

    for curve in get_treasury_data():
        date_as_tuple = curve['date'].timetuple()[0:6] + \
            (curve['date'].microsecond,)
        # Not ideal but massaging data into expected format
        del curve['date']
        tr = (date_as_tuple, curve)
        tr_data.append(tr)

    with get_datafile('treasury_curves.msgpack', mode='wb') as tr_fp:
        tr_fp.write(msgpack.dumps(tr_data))
Exemple #4
0
def update_treasury_curves(last_date):
    """
    Updates data in the zipline treasury curves message pack

    last_date should be a datetime object of the most recent data

    Puts source treasury and data into zipline.
    """
    tr_data = []
    with get_datafile('treasury_curves.msgpack', mode='rb') as tr_fp:
        tr_list = msgpack.loads(tr_fp.read())
        for packed_date, curve in tr_list:
            tr_data.append((packed_date, curve))

    for curve in get_treasury_data():
        date_as_tuple = curve['date'].timetuple()[0:6] + \
            (curve['date'].microsecond,)
        # Not ideal but massaging data into expected format
        del curve['date']
        tr = (date_as_tuple, curve)
        tr_data.append(tr)

    with get_datafile('treasury_curves.msgpack', mode='wb') as tr_fp:
        tr_fp.write(msgpack.dumps(tr_data))