def parse(station: str, report: str) -> (TafData, Units):
"""
Returns TafData and Units dataclasses with parsed data and their associated units
"""
if not report:
return None, None
valid_station(station)
while len(report) > 3 and report[:4] in ("TAF ", "AMD ", "COR "):
report = report[4:]
retwx = {
"end_time": None,
"raw": report,
"remarks": None,
"start_time": None
}
report = _core.sanitize_report_string(report)
_, station, time = _core.get_station_and_time(report[:20].split())
retwx["station"] = station
retwx["time"] = _core.make_timestamp(time)
report = report.replace(station, "")
if time:
report = report.replace(time, "").strip()
if uses_na_format(station):
use_na = True
units = Units(**NA_UNITS)
else:
use_na = False
units = Units(**IN_UNITS)
# Find and remove remarks
report, retwx["remarks"] = _core.get_taf_remarks(report)
# Split and parse each line
lines = _core.split_taf(report)
parsed_lines = parse_lines(lines, units, use_na)
# Perform additional info extract and corrections
if parsed_lines:
parsed_lines[-1]["other"], retwx["max_temp"], retwx[
"min_temp"] = _core.get_temp_min_and_max(parsed_lines[-1]["other"])
if not (retwx["max_temp"] or retwx["min_temp"]):
parsed_lines[0]["other"], retwx["max_temp"], retwx[
"min_temp"] = _core.get_temp_min_and_max(
parsed_lines[0]["other"])
# Set start and end times based on the first line
start, end = parsed_lines[0]["start_time"], parsed_lines[0]["end_time"]
parsed_lines[0]["end_time"] = None
retwx["start_time"], retwx["end_time"] = start, end
parsed_lines = _core.find_missing_taf_times(parsed_lines, start, end)
parsed_lines = _core.get_taf_flight_rules(parsed_lines)
# Extract Oceania-specific data
if retwx["station"][0] == "A":
parsed_lines[-1]["other"], retwx["alts"], retwx[
"temps"] = _core.get_oceania_temp_and_alt(
parsed_lines[-1]["other"])
# Convert to dataclass
retwx["forecast"] = [TafLineData(**line) for line in parsed_lines]
return TafData(**retwx), units
def test_get_temp_min_and_max(self):
"""
Tests that temp max and min times are extracted and assigned properly
"""
for wx, *temps in (
(["1"], "", ""),
(["1", "TX12/1316Z", "TNM03/1404Z"], "TX12/1316Z", "TNM03/1404Z"),
(["1", "TM03/1404Z", "T12/1316Z"], "TX12/1316Z", "TNM03/1404Z"),
):
self.assertEqual(_core.get_temp_min_and_max(wx), (["1"], *temps))
def test_get_temp_min_and_max(self):
"""
Tests that temp max and min times are extracted and assigned properly
"""
for wx, *temps in (
(['1'], '', ''),
(['1', 'TX12/1316Z', 'TNM03/1404Z'], 'TX12/1316Z', 'TNM03/1404Z'),
(['1', 'TM03/1404Z', 'T12/1316Z'], 'TX12/1316Z', 'TNM03/1404Z'),
):
self.assertEqual(_core.get_temp_min_and_max(wx), (['1'], *temps))