def parse_in_line(line: str, units: Units) -> {str: str}:
"""
Parser for the International TAF forcast variant
"""
wxdata = _core.dedupe(line.split())
wxdata = _core.sanitize_report_list(wxdata)
retwx = {"sanitized": " ".join(wxdata)}
(
wxdata,
retwx["type"],
retwx["start_time"],
retwx["end_time"],
) = _core.get_type_and_times(wxdata)
wxdata, retwx["wind_shear"] = _core.get_wind_shear(wxdata)
(
wxdata,
retwx["wind_direction"],
retwx["wind_speed"],
retwx["wind_gust"],
_,
) = _core.get_wind(wxdata, units)
if "CAVOK" in wxdata:
retwx["visibility"] = _core.make_number("CAVOK")
retwx["clouds"] = []
wxdata.pop(wxdata.index("CAVOK"))
else:
wxdata, retwx["visibility"] = _core.get_visibility(wxdata, units)
wxdata, retwx["clouds"] = _core.get_clouds(wxdata)
(
retwx["other"],
retwx["altimeter"],
retwx["icing"],
retwx["turbulence"],
) = _core.get_taf_alt_ice_turb(wxdata)
return retwx
def parse_na_line(line: str, units: Units) -> {str: str}:
"""
Parser for the North American TAF forcast variant
"""
wxdata = _core.dedupe(line.split())
wxdata = _core.sanitize_report_list(wxdata)
retwx = {"sanitized": " ".join(wxdata)}
(
wxdata,
retwx["type"],
retwx["start_time"],
retwx["end_time"],
) = _core.get_type_and_times(wxdata)
wxdata, retwx["wind_shear"] = _core.get_wind_shear(wxdata)
(
wxdata,
retwx["wind_direction"],
retwx["wind_speed"],
retwx["wind_gust"],
_,
) = _core.get_wind(wxdata, units)
wxdata, retwx["visibility"] = _core.get_visibility(wxdata, units)
wxdata, retwx["clouds"] = _core.get_clouds(wxdata)
(
retwx["other"],
retwx["altimeter"],
retwx["icing"],
retwx["turbulence"],
) = _core.get_taf_alt_ice_turb(wxdata)
return retwx
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 _wx(item: str) -> dict:
"""
Parses remaining weather elements
"""
ret = {"wx": []}
items = item.split()
for item in items:
if len(item) > 2 and item.startswith("FV"):
_, ret["flight_visibility"] = _core.get_visibility([item[2:]],
_units)
else:
ret["wx"].append(item)
return ret
def test_get_visibility(self):
"""
Tests that the visibility item(s) gets removed and cleaned
"""
for wx, unit, visibility in (
(["1"], "sm", (None, )),
(["05SM", "1"], "sm", ("5", 5)),
(["10SM", "1"], "sm", ("10", 10)),
(["P6SM", "1"], "sm", ("P6", )),
(["M1/4SM", "1"], "sm", ("M1/4", )),
(["1/2SM", "1"], "sm", ("1/2", 0.5)),
(["2", "1/2SM", "1"], "sm", ("5/2", 2.5)),
(["1000", "1"], "m", ("1000", 1000)),
(["1000E", "1"], "m", ("1000", 1000)),
(["1000NDV", "1"], "m", ("1000", 1000)),
(["M1000", "1"], "m", ("1000", 1000)),
(["2KM", "1"], "m", ("2000", 2000)),
):
units = structs.Units(**static.NA_UNITS)
wx, vis = _core.get_visibility(wx, units)
self.assertEqual(wx, ["1"])
self.assert_number(vis, *visibility)
self.assertEqual(units.visibility, unit)
def test_get_visibility(self):
"""
Tests that the visibility item(s) gets removed and cleaned
"""
for wx, unit, visibility in (
(['1'], 'sm', (None, )),
(['05SM', '1'], 'sm', ('5', 5)),
(['10SM', '1'], 'sm', ('10', 10)),
(['P6SM', '1'], 'sm', ('P6', )),
(['M1/4SM', '1'], 'sm', ('M1/4', )),
(['1/2SM', '1'], 'sm', ('1/2', 0.5)),
(['2', '1/2SM', '1'], 'sm', ('5/2', 2.5)),
(['1000', '1'], 'm', ('1000', 1000)),
(['1000E', '1'], 'm', ('1000', 1000)),
(['1000NDV', '1'], 'm', ('1000', 1000)),
(['M1000', '1'], 'm', ('1000', 1000)),
(['2KM', '1'], 'm', ('2000', 2000)),
):
units = structs.Units(**static.NA_UNITS)
wx, vis = _core.get_visibility(wx, units)
self.assertEqual(wx, ['1'])
self.assert_number(vis, *visibility)
self.assertEqual(units.visibility, unit)
