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make new_trains also tally total trips #5

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make new_trains also tally total trips #5

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21 changes: 13 additions & 8 deletions ingestor/chalicelib/new_trains.py
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Original file line number Diff line number Diff line change
Expand Up @@ -25,32 +25,37 @@ def train_runs(route, date):
events = sum([stop["events"] for stop in api_data], [])
departures = filter(lambda event: event["event_type"] in EVENT_DEPARTURE, events)
by_trip_id = {event["trip_id"]: event for event in departures} # Just in case a single trip gets a DEP and a PRD
return list(filter(lambda event: int(event["vehicle_label"]) in spec["labels"], by_trip_id.values()))

total_count = len(by_trip_id)
new_count = len(list(filter(lambda event: int(event["vehicle_label"]) in spec["labels"], by_trip_id.values())))
return total_count, new_count

def update_all(date):
for route in ROUTE_DEFINITIONS.keys():
print(f"Storing new train runs for {route}...")
try:
run_count = len(train_runs(route, date))
update_statistics_file(route, date, run_count)
run_counts = train_runs(route, date)
update_statistics_file(route, date, run_counts)
except Exception:
print(f"Unable to store new train run count for route={route}", file=sys.stderr)
print(sys.exc_info()[2], file=sys.stderr)
continue


def update_statistics_file(route, date, count):
csv_row = "{formatted_date},{count}\n".format(
def update_statistics_file(route, date, trip_counts):
total_trips, new_trips = trip_counts
csv_row = "{formatted_date},{total_trips},{new_trips}\n".format(
formatted_date=date.strftime("%Y-%m-%d"),
count=count
total_trips=total_trips,
new_trips=new_trips
)
key = KEY.format(route)
try:
data = s3.download(BUCKET, key, compressed=False) + csv_row
except ClientError as ex:
if ex.response['Error']['Code'] != 'NoSuchKey':
if ex.response['Error']['Code'] == 'NoSuchKey':
data = "service_date,total_trips,new_trips\n" + csv_row
else:
raise
data = "service_date,run_count\n" + csv_row

s3.upload(BUCKET, key, data.encode(), compress=False)