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Fix uptime calculations #13

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Fix uptime calculations #13

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28 changes: 23 additions & 5 deletions borealis_gaps.py
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@

import h5py
import pydarnio
import dmap


def get_record_timestamps(filename):
Expand Down Expand Up @@ -48,7 +49,7 @@ def get_record_timestamps(filename):
)
)
else:
recs = pydarnio.read_dmap(filename, mode="strict")
recs = dmap.read_rawacf(filename, mode="metadata")
sqn_timestamps = []
for r in recs:
tstamp = datetime.datetime(
Expand Down Expand Up @@ -91,6 +92,26 @@ def check_for_gaps(timestamp_list, gap_spacing):
return gaps


def convert_to_uptime(gaps, start_time, end_time):
"""
Converts the gaps to operational durations.
"""
if len(gaps) == 0:
return [(start_time, end_time)]

uptimes = []
if gaps[0][0] != start_time: # downtime started at beginning of period
uptimes.append((start_time, gaps[0][0]))

for i in range(1, len(gaps)): # fill in gaps between downtimes
uptimes.append((gaps[i-1][1], gaps[i][0]))

if gaps[-1][1] != end_time: # downtime lasted until end of period
uptimes.append((gaps[-1][1], end_time))

return uptimes


def print_gaps(gaps, first_timestamp, last_timestamp, gap_spacing, print_filename, uptime=False):
"""
Printer function for a dictionary of gaps. Prints csv
Expand Down Expand Up @@ -290,10 +311,7 @@ def borealis_gaps_parser():

gaps = check_for_gaps(all_timestamps, args.gap_spacing)
if args.uptime:
non_gaps = []
for i in range(1, len(gaps)):
non_gaps.append((gaps[i-1][1], gaps[i][0]))
gaps = non_gaps
gaps = convert_to_uptime(gaps, start_day, end_day + datetime.timedelta(hours=23, minutes=59, seconds=59))

print_gaps(
gaps, all_timestamps[0], all_timestamps[-1], args.gap_spacing, print_filename, args.uptime
Expand Down