def parse_in(report: str) -> (MetarData, Units):
"""
Parser for the International METAR variant
"""
units = Units(**IN_UNITS)
wxresp = {"raw": report}
clean = _core.sanitize_report_string(report)
wxdata, wxresp["remarks"] = _core.get_remarks(clean)
wxdata = _core.dedupe(wxdata)
wxdata = _core.sanitize_report_list(wxdata)
wxresp["sanitized"] = " ".join(wxdata + [wxresp["remarks"]])
wxdata, wxresp["station"], wxresp["time"] = _core.get_station_and_time(wxdata)
wxdata, wxresp["runway_visibility"] = _core.get_runway_visibility(wxdata)
if "CAVOK" not in wxdata:
wxdata, wxresp["clouds"] = _core.get_clouds(wxdata)
wxdata, wxresp["wind_direction"], wxresp["wind_speed"], wxresp["wind_gust"], wxresp[
"wind_variable_direction"
] = _core.get_wind(wxdata, units)
wxdata, wxresp["altimeter"] = _core.get_altimeter(wxdata, units, "IN")
if "CAVOK" in wxdata:
wxresp["visibility"] = _core.make_number("CAVOK")
wxresp["clouds"] = []
wxdata.remove("CAVOK")
else:
wxdata, wxresp["visibility"] = _core.get_visibility(wxdata, units)
wxresp["other"], wxresp["temperature"], wxresp["dewpoint"] = _core.get_temp_and_dew(
wxdata
)
condition = _core.get_flight_rules(
wxresp["visibility"], _core.get_ceiling(wxresp["clouds"])
)
wxresp["flight_rules"] = FLIGHT_RULES[condition]
wxresp["remarks_info"] = remarks.parse(wxresp["remarks"])
wxresp["time"] = _core.make_timestamp(wxresp["time"])
return MetarData(**wxresp), units
def test_get_flight_rules(self):
"""
Tests that the proper flight rule is calculated for a set visibility and ceiling
Note: Only 'Broken', 'Overcast', and 'Vertical Visibility' are considdered ceilings
"""
for vis, ceiling, rule in (
(None, None, "IFR"),
("10", None, "VFR"),
("P6SM", ["OCV", 50], "VFR"),
("6", ["OVC", 20], "MVFR"),
("6", ["OVC", 7], "IFR"),
("2", ["OVC", 20], "IFR"),
("6", ["OVC", 4], "LIFR"),
("1/2", ["OVC", 30], "LIFR"),
("M1/4", ["OVC", 30], "LIFR"),
):
vis = _core.make_number(vis)
if ceiling:
ceiling = structs.Cloud(None, *ceiling)
self.assertEqual(
static.FLIGHT_RULES[_core.get_flight_rules(vis, ceiling)],
rule)
def test_get_flight_rules(self):
"""
Tests that the proper flight rule is calculated for a set visibility and ceiling
Note: Only 'Broken', 'Overcast', and 'Vertical Visibility' are considdered ceilings
"""
for vis, ceiling, rule in (
(None, None, 'IFR'),
('10', None, 'VFR'),
('P6SM', ['OCV', 50], 'VFR'),
('6', ['OVC', 20], 'MVFR'),
('6', ['OVC', 7], 'IFR'),
('2', ['OVC', 20], 'IFR'),
('6', ['OVC', 4], 'LIFR'),
('1/2', ['OVC', 30], 'LIFR'),
('M1/4', ['OVC', 30], 'LIFR'),
):
vis = _core.make_number(vis)
if ceiling:
ceiling = structs.Cloud(None, *ceiling)
self.assertEqual(
static.FLIGHT_RULES[_core.get_flight_rules(vis, ceiling)],
rule)