since = datetime.strptime(args.since, "%Y%m%d")

to = datetime.strptime(args.to, "%Y%m%d") if args.to else datetime.now()

with open("/tmp/all.hst") as f:

	s = f.read()

records = [Record.parse(line) for line in s.splitlines()]

records = filter(lambda rec: rec is not None, records)

national_records = filter(lambda rec: rec.country_code == args.country_code, records)

player_records = groupby(national_records, lambda rec: rec.pin)

for (pin, recs) in player_records:

	tourneys = list(recs)

	rounded_rating = tourneys[0].rounded_before

	steps = []

	for r in tourneys:

		# omit reset ratings

		if rounded_rating != r.rounded_before:

			rounded_rating = r.rounded_before

			steps.append(r)

			rounded_rating = r.rounded_after

	steps = [r for r in steps if since <= r.date <= to]

	if steps:

		print("\n".join(map(str, steps)))

		print()