def __download_dataset_singleSeries(self,
Q_DATABASE_CODE=None,
Q_DATASET_CODE=None,
Q_COLUMN_NUM=USE_DEFAULT,
Q_COLLAPSE_INSTR=USE_DEFAULT,
Q_TRANSFORM_INSTR=USE_DEFAULT,
start_date=USE_DEFAULT):
'''
TODOS:
Only Download data that's necessary (i.e. after latest insert) (checking for updates)
'''
# Set Quandl Query Parameters
log.info('QUANDL: Downloading Quandl data for (Database|Dataset): ({0}|{1})'.format(Q_DATABASE_CODE,Q_DATASET_CODE))
hndl_Qndl = EMF_QuandlAPI_Handle(Q_DATABASE_CODE, Q_DATASET_CODE)
# Set Quandl Query Parameters / Column Index
hndl_Qndl.Instr_Col_Idx = Q_COLUMN_NUM
# Set Quandl Query Parameters / Collapse
hndl_Qndl.Instr_Collapse = Q_COLLAPSE_INSTR
# Set Quandl Query Parameters / Transform
hndl_Qndl.Instr_Transform = Q_TRANSFORM_INSTR
# Set Quandl Query Parameters / Start Date
hndl_Qndl.Instr_Start_Date = start_date
# Download Quandl Data
hndl_Qndl.get_data()
try:
log.info('QUANDL: Found {0} points from {1} to {2}. Periodicity: {3}'
.format(hndl_Qndl.Data_Num_Points,
hndl_Qndl.Data_Earliest_Date,
hndl_Qndl.Data_Latest_Date,
hndl_Qndl.Quandl_Periodicity))
if hndl_Qndl.Data_Num_Columns != 2 and Q_COLUMN_NUM == 1:
log.warning('QUANDL: Found more than one column. Ensure you have right column).')
except Exception:
pass
# Return
return hndl_Qndl
