def findAndStoreDataSeries(self, ticker):
assert self.dataSeriesID is None # Force reset before setting (Or new object)
self.dataSeriesID = EM_DBHelp.retrieve_DataSeriesID( self.db_conn, self.db_curs,
dataTicker=ticker,
insertIfNot=False)
self.dataPeriodicity = self.__getFromDB('int_data_periodicity')
def downloadDataFromFred_fillHistory_parseSeriesData(dataSeriesTicker, data):
dataSeriesID = EM_DBHelp.retrieve_DataSeriesID(db_connection, db_cursor,
dataTicker=dataSeriesTicker,
insertIfNot=True)
sendToDB = lambda: \
EM_DBHelp.update_DataSeriesMetaData(db_connection, db_cursor, columnName, value, seriesID=dataSeriesID)
successfulInserts = 0
unsuccessfulInserts = 0
minObsDate = maxint
maxObsDate = -maxint-1
# Update History
for obs in data['observations']:
if obs['value'] == '.':
continue # Avoid Unfilled FRED Values
date = EM_util.dtConvert_YYYY_MM_DDtoEpoch(obs['date'])
value = float(obs['value'])
maxObsDate = date if date > maxObsDate else maxObsDate
minObsDate = date if date < minObsDate else minObsDate
log.info('\t\tWriting Historical Data Point at %s for %s [value = %f]', dataSeriesTicker, obs['date'], value)
(success, error) = EM_DBHelp.insertDataPoint_DataHistoryTable(
db_connection, db_cursor,
dataSeriesID,
date,
value,
isInterpolated=False)
if not success:
log.warning('\t\tFailed to Write Historical Data Point at %s for %s [value = %f]', dataSeriesTicker, obs['date'], obs['value'])
unsuccessfulInserts += 1
else:
successfulInserts +=1
log.info('\t%d Historical Data Points Written Successfuly for %s', successfulInserts, dataSeriesTicker)
log.info('\t%d Historical Data Points Written Failed for %s', unsuccessfulInserts, dataSeriesTicker)
log.info('\tDate range from %s to %s Written for %s', EM_util.dtConvert_EpochtoY_M_D(minObsDate), EM_util.dtConvert_EpochtoY_M_D(maxObsDate), dataSeriesTicker)
# Update Successful Inserts Flag
columnName = 'int_unsuccessful_inserts'
value = unsuccessfulInserts
sendToDB()
# Update Earliest DataPoint Found
columnName = 'dt_earliest_value'
value = minObsDate
sendToDB()
# Update Latest DataPoint Found
columnName = 'dt_latest_value'
value = maxObsDate
sendToDB()
# Update Last Update Date
columnName = 'dt_last_updated_history'
value = EM_util.dtGetNowAsEpoch()
sendToDB()
def convertDataHistoryToJSON(ticker, dataSeriesID=None):
global file_format
if dataSeriesID is None:
dataSeriesID = EM_DBHelp.retrieve_DataSeriesID( db_conn, db_curs,
dataTicker=ticker,
insertIfNot=False)
dataSeries = EM_DBHelp.getCompleteDataHistory_DataHistoryTable( db_conn, db_curs, dataSeriesID)
if file_format[0] == 'rs':
convertValue = lambda (dt, vl): {'x': dt, 'y': float(vl)}
elif file_format[0] == 'd3':
convertValue = lambda (dt, vl): {'date': dtConvert_EpochtoY_M_D(dt), 'value': float(vl)}
else:
raise Exception('File Format Type not recognized for date/value JSON')
return map(convertValue, dataSeries)
def writeDataHistorytoJSON(ticker): dataSeriesID = EM_DBHelp.retrieve_DataSeriesID( db_conn, db_curs, dataTicker=ticker, insertIfNot=False) data_JSON = convertDataHistoryToJSON(ticker, dataSeriesID=dataSeriesID) columnName = 'dt_earliest_value' earliestData = EM_DGUtil.getFromDB() columnName = 'dt_latest_value' latestData = EM_DGUtil.getFromDB() columnName = 'dt_last_updated_history' lastUpdate = EM_DGUtil.getFromDB() writeFile = generateDateHistoryFilename(ticker, earliestData, latestData, lastUpdate) updateAvailableSeriesDataFile(ticker, earliestData, latestData, lastUpdate, dataFileName=writeFile) try: writer = open(writeFile, 'wb') writer.write(json_dump(data_JSON)) except: raise finally: writer.close()
def downloadDataFromFred( csvFileName=EM_util.FREDSeriesCSV,
fillHistory=True,
fillMetadata=True,
fillUserData=True,
minImportance=2,
writeEveryRow=True,
pause=False):
# Access Global Variables
global db_cursor
global db_connection
# Establish Helpful Lambdas
sendToDB = lambda: \
EM_DBHelp.update_DataSeriesMetaData(db_connection, db_cursor, columnName, value, seriesID=dataSeriesID)
# Read CSV file
log.info('Accessing CSV to get Series Tickers...')
with open(csvFileName, 'rU') as csvfile:
series_csv = csv.reader(csvfile)
header = [next(series_csv)] # Ignore header in CSV
write_list = [list(row) for row in series_csv]
log.info('Downloading FRED data to database...')
for i in range(len(write_list)):
# Recognize End of File without Reaching Deprecated
if write_list[i][FREDCol['TICKER_COL']] == '':
break
if int(write_list[i][FREDCol['IMPORTANCE_COL']]) > minImportance:
continue
lastHistoryDownload = datetime.datetime.strptime(
write_list[i][FREDCol['HISTORY_TIMESTAMP_COL']],
EM_util.FREDSeriesCSVTimeFormat)
dnldHistory = ((fillHistory and \
(datetime.datetime.now()-lastHistoryDownload) > EM_util.FREDDownloadDelayHistory) or \
write_list[i][FREDCol['FORCE_HISTORY_REDOWNLOAD_COL']] == EM_util.FREDForceDownload) and \
write_list[i][FREDCol['FORCE_HISTORY_REDOWNLOAD_COL']] != EM_util.FREDSkipDownload
lastMetadataDownload = datetime.datetime.strptime(
write_list[i][FREDCol['HISTORY_TIMESTAMP_COL']],
EM_util.FREDSeriesCSVTimeFormat)
dnldMetadata = ((fillMetadata and\
(datetime.datetime.now()-lastMetadataDownload) > EM_util.FREDDownloadDelayMetadata) or \
write_list[i][FREDCol['FORCE_METADATA_REDOWNLOAD_COL']] == EM_util.FREDForceDownload) and \
write_list[i][FREDCol['FORCE_METADATA_REDOWNLOAD_COL']] != EM_util.FREDSkipDownload
ticker = write_list[i][FREDCol['TICKER_COL']]
log.info('Downloading %s data to database...', ticker)
if dnldHistory:
status = downloadDataFromFred_fillHistory(ticker)
write_list[i][FREDCol['HISTORY_STATUS_COL']] = status
write_list[i][FREDCol['HISTORY_TIMESTAMP_COL']] = \
datetime.datetime.now().strftime(EM_util.FREDSeriesCSVTimeFormat)
if dnldMetadata:
status = downloadDataFromFred_fillMetadata(ticker)
write_list[i][FREDCol['METADATA_STATUS_COL']] = status
write_list[i][FREDCol['METADATA_TIMESTAMP_COL']] = \
datetime.datetime.now().strftime(EM_util.FREDSeriesCSVTimeFormat)
# TODO: Decide when to fillUserData
if fillUserData:
# We seek the Series ID again to make sure it was input correctly earlier
# (Rather than just passing it back from earlier)
dataSeriesID = EM_DBHelp.retrieve_DataSeriesID(db_connection, db_cursor,
dataTicker=ticker,
insertIfNot=False)
columnName = 'code_data_subtype'
csvVal = write_list[i][FREDCol['SUBTYPE_COL']]
if csvVal == '': csvVal = 'unknown'
value = int(EM_util.dataSubtypes[csvVal])
sendToDB()
columnName = 'code_data_type'
csvVal = write_list[i][FREDCol['TYPE_COL']]
if csvVal == '': csvVal = 'unknown'
value = int(EM_util.dataTypes[csvVal])
sendToDB()
columnName = 'code_data_supertype'
csvVal = write_list[i][FREDCol['SUPERTYPE_COL']]
if csvVal == '': csvVal = 'unknown'
value = int(EM_util.dataSupertypes[csvVal])
sendToDB()
columnName = 'code_is_level'
csvVal = write_list[i][FREDCol['IS_LEVEL_COL']]
if csvVal == '': csvVal = 'unknown'
value = int(EM_util.levelMattersTypes[csvVal])
sendToDB()
columnName = 'code_good_direction'
csvVal = write_list[i][FREDCol['POSITIVE_IS_GOOD_COL']]
if csvVal == '': csvVal = 'unknown'
value = int(EM_util.goodDirectionTypes[csvVal])
sendToDB()
# TODO: This is hacky. Do better.
if writeEveryRow:
with open(csvFileName[:-4]+'_temp.csv', 'wb') as milestone_csvfile:
log.info('Updating Series CSV File...')
csvwrite = csv.writer(milestone_csvfile)
csvwrite.writerows(header)
csvwrite.writerows(write_list)
log.info('CSV file updated...')
# For Testing... TODO: Remove
if pause:
statement = raw_input('\nPress Enter to Continue...\n')
log.info('Downloaded Series data sucessfully...')
with open(csvFileName, 'wb') as csvfile:
log.info('Updating Series CSV File...')
csvwrite = csv.writer(csvfile)
csvwrite.writerows(header)
csvwrite.writerows(write_list)
log.info('CSV file updated...')
def downloadDataFromFred_fillMetadata_parseSeriesData(dataSeriesTicker, data):
#Get Data Series ID
dataSeriesID = EM_DBHelp.retrieve_DataSeriesID(db_connection, db_cursor,
dataTicker=dataSeriesTicker,
insertIfNot=True)
sendToDB = lambda: \
EM_DBHelp.update_DataSeriesMetaData(db_connection, db_cursor, columnName, value, seriesID=dataSeriesID)
# Update Data Series Name
columnName = 'txt_data_name'
value = data['title'].encode('ascii', 'ignore')
sendToDB()
columnName = 'txt_data_source'
value = 'FRED'
sendToDB()
# Update Data Series Periodicity
dataFrequency = data['frequency_short']
if dataFrequency == 'M':
value = 12
elif dataFrequency == 'Q':
value = 4
elif dataFrequency == 'A':
value = 1
elif dataFrequency == 'W':
value = 52
elif dataFrequency == 'D':
value = 365
else:
raise NotImplementedError('Data Frequency not recognized')
columnName = 'int_data_periodicity'
sendToDB()
# Update Data Series Seasonal Adjustment
dataSeasonalAdjustment = data['seasonal_adjustment_short']
if dataSeasonalAdjustment == 'SA' or dataSeasonalAdjustment == 'SAAR':
value = 1
elif dataSeasonalAdjustment == 'NSA':
value = 0
else:
raise NotImplementedError('Data Seasonal Adjustment Code not recognized')
columnName = 'bool_is_seasonally_adjusted'
sendToDB()
# Update Data Series Last Updated
value = EM_util.dtConvert_YYYY_MM_DD_TimetoEpoch(data['last_updated'])
columnName = 'dt_last_updated_SOURCE'
sendToDB()
# Update Data Series First Value
value = EM_util.dtConvert_YYYY_MM_DDtoEpoch(data['observation_start'])
columnName = 'dt_earliest_value_SOURCE'
sendToDB()
# Update Data Series Last Value
value = EM_util.dtConvert_YYYY_MM_DDtoEpoch(data['observation_end'])
columnName = 'dt_latest_value_SOURCE'
sendToDB()
# Fill Generated Flag (Always False)
value = 0
columnName = 'bool_generated_datapoint'
sendToDB()
# Update Last Update Date
columnName = 'dt_last_updated_metadata'
value = EM_util.dtGetNowAsEpoch()
sendToDB()
# Update Information From Units
# TEST! TEST! TEST! TEST! TEST! TEST! TEST! TEST!
# TEST! TEST! TEST! TEST! TEST! TEST! TEST! TEST!
# BELOW HERE WE CHANGE TO NOT ACTUALLY UPDATE DB.
# TEST! TEST! TEST! TEST! TEST! TEST! TEST! TEST!
# TEST! TEST! TEST! TEST! TEST! TEST! TEST! TEST!
# Save Off Data Series Real/Nominal Flag for Later Use
dataSeriesIsRealValue = None
def sendToDB(): print data['title'] + '|' + data['units'] + '|' + columnName + ' : ' + str(value) #TEST
dataUnits = data['units']
done = 0
if dataUnits == 'Percent':
dataUnitsValue = 'Percent'
dataTypeValueValue = 'Percent'
dataSeriesIsRealValue = False #Consider, true if something like unemployment rate, false if bond yield
done = 1
elif dataUnits == 'Number':
dataUnitsValue = 'Number'
dataTypeValue = 'Number'
dataSeriesIsRealValue = False #Consider, true?
done = 1
elif dataUnits == 'Index':
dataUnitsValue = 'Number'
dataTypeValue = 'Index'
dataSeriesIsRealValue = False
done = 1
matchObj = None if done else re.match(of_matchObj, dataUnits)
if (matchObj is not None):
dataUnitsValue = matchObj.group(1)
dataTypeValue = matchObj.group(2)
innerMatchObj = re.match(ChainedDollars_matchObj,dataTypeValue)
if (innerMatchObj is not None):
dataSeriesIsRealValue = True
dataTypeValue = 'Dollars'
else:
dataSeriesIsRealValue = False
done = 1
matchObj = None if done else re.match(per_matchObj, dataUnits)
if (matchObj is not None):
dataUnitsValue = 'per ' + matchObj.group(2)
dataTypeValue = matchObj.group(1)
done = 1
matchObj = None if done else re.match(IndexEquals_matchObj, dataUnits)
if (matchObj is not None):
dataUnitsValue = 'Number'
dataTypeValue = 'Index'
done = 1
if dataSeriesIsRealValue is None:
pass
# raise NotImplementedError
# dataSeriesIsRealValue = #TODO: regex: Read data series name to determine (if it has the word 'real')
columnName = 'bool_is_real'
value = dataSeriesIsRealValue
sendToDB()
columnName = 'bool_is_normalized' #TODO: fill
value = None
sendToDB()
columnName = 'code_private_public' #TODO: fill
value = None
sendToDB()
columnName = 'code_economic_activity' #TODO: fill
value = None
sendToDB()
columnName = 'code_data_adjustment' #TODO: fill
value = None
sendToDB()
columnName = 'code_sector' #TODO: fill
value = None
sendToDB()
columnName = 'code_data_units' #TODO: fill
value = None
sendToDB()
columnName = 'code_item_type' #TODO: fill
value = None
sendToDB()
columnName = 'txt_data_original_source' #TODO: fill
value = None
sendToDB()
