def _handleWind(self, d):
"""
Parse the wind and variable-wind groups.
The following attributes are set:
wind_dir [direction]
wind_speed [speed]
wind_gust [speed]
wind_dir_from [int]
wind_dir_to [int]
"""
wind_dir = d['dir'].replace('O', '0')
if wind_dir != "VRB" and wind_dir != "///" and wind_dir != "MMM":
self.wind_dir = direction(wind_dir)
wind_speed = d['speed'].replace('O', '0')
units = d['units']
if units == 'KTS' or units == 'K' or units == 'T' or units == 'LT':
units = 'KT'
if wind_speed.startswith("P"):
self.wind_speed = speed(wind_speed[1:], units, ">")
elif not MISSING_RE.match(wind_speed):
self.wind_speed = speed(wind_speed, units)
if d['gust']:
wind_gust = d['gust']
if wind_gust.startswith("P"):
self.wind_gust = speed(wind_gust[1:], units, ">")
elif not MISSING_RE.match(wind_gust):
self.wind_gust = speed(wind_gust, units)
if d['varfrom']:
self.wind_dir_from = direction(d['varfrom'])
self.wind_dir_to = direction(d['varto'])
def _handleWind( self, d ):
"""
Parse the wind and variable-wind groups.
The following attributes are set:
wind_dir [direction]
wind_speed [speed]
wind_gust [speed]
wind_dir_from [int]
wind_dir_to [int]
"""
wind_dir = d['dir'].replace('O','0')
if wind_dir != "VRB" and wind_dir != "///" and wind_dir != "MMM":
self.wind_dir = direction(wind_dir)
wind_speed = d['speed'].replace('O','0')
units = d['units']
if units == 'KTS' or units == 'K' or units == 'T' or units == 'LT':
units = 'KT'
if wind_speed.startswith("P"):
self.wind_speed = speed(wind_speed[1:], units, ">")
elif not MISSING_RE.match(wind_speed):
self.wind_speed = speed(wind_speed, units)
if d['gust']:
wind_gust = d['gust']
if wind_gust.startswith("P"):
self.wind_gust = speed(wind_gust[1:], units, ">")
elif not MISSING_RE.match(wind_gust):
self.wind_gust = speed(wind_gust, units)
if d['varfrom']:
self.wind_dir_from = direction(d['varfrom'])
self.wind_dir_to = direction(d['varto'])
def testErrorChecking(self):
self.assertRaises( ValueError, speed, "10KT" )
self.assertRaises( ValueError, speed, "10", "MPS", "=" )
self.assertRaises( ValueError, speed, "60", "KT", "gt" )
self.assertRaises( UnitsError, speed, "10", "NM" )
self.assertRaises( UnitsError, speed("10").value, "furlongs per fortnight" )
self.assertRaises( UnitsError, speed("5").string, "fps" )
def _handleWind(self, d):
"""
Parse the wind and variable-wind groups.
The following attributes are set:
wind_dir [direction]
wind_speed [speed]
wind_gust [speed]
wind_dir_from [int]
wind_dir_to [int]
"""
wind_dir = d["dir"].replace("O", "0")
if wind_dir != "VRB" and wind_dir != "///" and wind_dir != "MMM":
self.wind_dir = direction(wind_dir)
wind_speed = d["speed"].replace("O", "0")
units = d["units"]
if units == "KTS" or units == "K" or units == "T" or units == "LT":
units = "KT"
if wind_speed.startswith("P"):
self.wind_speed = speed(wind_speed[1:], units, ">")
elif not MISSING_RE.match(wind_speed):
self.wind_speed = speed(wind_speed, units)
if d["gust"]:
wind_gust = d["gust"]
if wind_gust.startswith("P"):
self.wind_gust = speed(wind_gust[1:], units, ">")
elif not MISSING_RE.match(wind_gust):
self.wind_gust = speed(wind_gust, units)
if d["varfrom"]:
self.wind_dir_from = direction(d["varfrom"])
self.wind_dir_to = direction(d["varto"])
def testErrorChecking(self):
self.assertRaises(ValueError, speed, "10KT")
self.assertRaises(ValueError, speed, "10", "MPS", "=")
self.assertRaises(ValueError, speed, "60", "KT", "gt")
self.assertRaises(UnitsError, speed, "10", "NM")
self.assertRaises(UnitsError,
speed("10").value, "furlongs per fortnight")
self.assertRaises(UnitsError, speed("5").string, "fps")
def _handlePeakWindRemark(self, d):
"""
Parse a peak wind remark group.
"""
peak_dir = int(d["dir"])
peak_speed = int(d["speed"])
self.wind_speed_peak = speed(peak_speed, "KT")
self.wind_dir_peak = direction(peak_dir)
peak_min = int(d["min"])
if d["hour"]:
peak_hour = int(d["hour"])
else:
peak_hour = self._hour
self.peak_wind_time = datetime.datetime(
self._year, self._month, self._day, peak_hour, peak_min
)
if self.peak_wind_time > self.time:
if peak_hour > self._hour:
self.peak_wind_time -= datetime.timedelta(hours=24)
else:
self.peak_wind_time -= datetime.timedelta(hours=1)
self._remarks.append(
"peak wind %dkt from %d degrees at %d:%02d"
% (peak_speed, peak_dir, peak_hour, peak_min)
)
def testDefaults(self):
self.assertEqual(speed("10").value(), 10.0)
self.assertEqual(speed("5").string(), "5 mps")
self.assertEqual(speed("10", "KT").value(), 10.0)
self.assertEqual(speed("5", "KT").string(), "5 knots")
self.assertEqual(speed("5", "KMH").string(), "5 km/h")
self.assertEqual(speed("5", "MPH").string(), "5 mph")
self.assertEqual(speed("5", None).string(), "5 mps")
def testDefaults(self):
self.assertEqual( speed("10").value(), 10.0 )
self.assertEqual( speed("5").string(), "5 mps" )
self.assertEqual( speed("10", "KT").value(), 10.0 )
self.assertEqual( speed("5", "KT").string(), "5 knots" )
self.assertEqual( speed("5", "KMH").string(), "5 km/h" )
self.assertEqual( speed("5", "MPH").string(), "5 mph" )
self.assertEqual( speed("5",None).string(), "5 mps" )
def test_defaults():
"""Test basic usage."""
assert speed("10").value() == 10.0
assert speed("5").string() == "5 mps"
assert speed("10", "KT").value() == 10.0
assert speed("5", "KT").string() == "5 knots"
assert speed("5", "KMH").string() == "5 km/h"
assert speed("5", "MPH").string() == "5 mph"
assert speed("5", None).string() == "5 mps"
def testInputs(self):
self.assertEqual( speed("10").value(), 10.0 )
self.assertEqual( speed(10).value(), 10.0 )
self.assertEqual( speed(10.0).value(), 10.0 )
self.assertEqual( speed(10.0, None).value(), 10.0 )
self.assertEqual( speed("10", gtlt=">").value(), 10.0 )
self.assertEqual( speed("10", None, "<").value(), 10.0 )
def testInputs(self):
self.assertEqual(speed("10").value(), 10.0)
self.assertEqual(speed(10).value(), 10.0)
self.assertEqual(speed(10.0).value(), 10.0)
self.assertEqual(speed(10.0, None).value(), 10.0)
self.assertEqual(speed("10", gtlt=">").value(), 10.0)
self.assertEqual(speed("10", None, "<").value(), 10.0)
def _handleWind(self, d):
"""
Parse the wind and variable-wind groups.
The following attributes are set:
wind_dir [direction]
wind_speed [speed]
wind_gust [speed]
wind_dir_from [int]
wind_dir_to [int]
"""
wind_dir = d["dir"].replace("O", "0")
if wind_dir != "VRB" and wind_dir != "///" and wind_dir != "MMM":
self.wind_dir = direction(wind_dir)
wind_speed = d["speed"].replace("O", "0")
units = d["units"]
# Ambiguous METAR when no wind speed units are provided
if units is None and self.station_id is not None:
# Assume US METAR sites are reporting in KT
if len(self.station_id) == 3 or self.station_id.startswith("K"):
units = "KT"
# If units are still None, default to MPS
if units is None:
units = "MPS"
if units == "KTS" or units == "K" or units == "T" or units == "LT":
units = "KT"
if wind_speed.startswith("P"):
self.wind_speed = speed(wind_speed[1:], units, ">")
elif not MISSING_RE.match(wind_speed):
self.wind_speed = speed(wind_speed, units)
if d["gust"]:
wind_gust = d["gust"]
if wind_gust.startswith("P"):
self.wind_gust = speed(wind_gust[1:], units, ">")
elif not MISSING_RE.match(wind_gust):
self.wind_gust = speed(wind_gust, units)
if d["varfrom"]:
self.wind_dir_from = direction(d["varfrom"])
self.wind_dir_to = direction(d["varto"])
def test_inputs():
"""Test inputs."""
assert speed("10").value() == 10.0
assert speed(10).value() == 10.0
assert speed(10.0).value() == 10.0
assert speed(10.0, None).value() == 10.0
assert speed("10", gtlt=">").value() == 10.0
assert speed("10", None, "<").value() == 10.0
def _handlePeakWindRemark( self, d ):
"""
Parse a peak wind remark group.
"""
peak_dir = int(d['dir'])
peak_speed = int(d['speed'])
self.wind_speed_peak = speed(peak_speed, "KT")
self.wind_dir_peak = direction(peak_dir)
peak_min = int(d['min'])
if d['hour']:
peak_hour = int(d['hour'])
else:
peak_hour = self._hour
self.peak_wind_time = datetime.datetime(self._year, self._month, self._day,
peak_hour, peak_min)
if self.peak_wind_time > self.time:
if peak_hour > self._hour:
self.peak_wind_time -= datetime.timedelta(hours=24)
else:
self.peak_wind_time -= datetime.timedelta(hours=1)
self._remarks.append("peak wind %dkt from %d degrees at %d:%02d" % \
(peak_speed, peak_dir, peak_hour, peak_min))
def testConversions(self):
self.assertEqual( speed("10", "MPS").value("MPS"), 10.0 )
self.assertEqual( speed("10", "MPS").value("KMH"), 36.0 )
self.assertAlmostEqual( speed("10", "MPS").value("MPH"), 22.4, 1 )
self.assertAlmostEqual( speed("10", "MPS").value("KT"), 19.4, 1 )
self.assertEqual( speed("10", "KT").value("KT"), 10.0 )
self.assertAlmostEqual( speed("10", "KT").value("MPH"), 11.5, 1 )
self.assertAlmostEqual( speed("10", "KT").value("MPS"), 5.1, 1 )
self.assertAlmostEqual( speed("10", "KT").value("KMH"), 18.5, 1 )
self.assertEqual( speed("10", "MPH").value("MPH"), 10.0 )
self.assertAlmostEqual( speed("10", "MPH").value("KT"), 8.7, 1 )
self.assertAlmostEqual( speed("10", "MPH").value("MPS"), 4.5, 1 )
self.assertAlmostEqual( speed("10", "MPH").value("KMH"), 16.1, 1 )
self.assertEqual( speed("10", "KMH").value("KMH"), 10.0 )
self.assertAlmostEqual( speed("10", "KMH").value("KT"), 5.4, 1 )
self.assertAlmostEqual( speed("10", "KMH").value("MPS"), 2.8, 1 )
self.assertAlmostEqual( speed("10", "KMH").value("MPH"), 6.2, 1 )
def test_conversions():
"""Test unit conversions."""
assert speed("10", "MPS").value("MPS") == 10.0
assert speed("10", "MPS").value("KMH") == 36.0
assert abs(speed("10", "MPS").value("MPH") - 22.4) < 0.1
assert abs(speed("10", "MPS").value("KT") - 19.4) < 0.1
assert speed("10", "KT").value("KT") == 10.0
assert abs(speed("10", "KT").value("MPH") - 11.5) < 0.1
assert abs(speed("10", "KT").value("MPS") - 5.1) < 0.1
assert abs(speed("10", "KT").value("KMH") - 18.5) < 0.1
assert speed("10", "MPH").value("MPH") == 10.0
assert abs(speed("10", "MPH").value("KT") - 8.7) < 0.1
assert abs(speed("10", "MPH").value("MPS") - 4.5) < 0.1
assert abs(speed("10", "MPH").value("KMH") - 16.1) < 0.1
assert speed("10", "KMH").value("KMH") == 10.0
assert abs(speed("10", "KMH").value("KT") - 5.4) < 0.1
assert abs(speed("10", "KMH").value("MPS") - 2.8) < 0.1
assert abs(speed("10", "KMH").value("MPH") - 6.2) < 0.1
def test_error_checking():
"""Test exception raising."""
with pytest.raises(ValueError):
speed("10KT")
with pytest.raises(ValueError):
speed("10", "MPS", "=")
with pytest.raises(ValueError):
speed("60", "KT", "gt")
with pytest.raises(UnitsError):
speed("10", "NM")
with pytest.raises(UnitsError):
speed(speed("10").value, "furlongs per fortnight")
with pytest.raises(UnitsError):
speed(speed("5").string, "fps")
def testConversions(self):
self.assertEqual(speed("10", "MPS").value("MPS"), 10.0)
self.assertEqual(speed("10", "MPS").value("KMH"), 36.0)
self.assertAlmostEqual(speed("10", "MPS").value("MPH"), 22.4, 1)
self.assertAlmostEqual(speed("10", "MPS").value("KT"), 19.4, 1)
self.assertEqual(speed("10", "KT").value("KT"), 10.0)
self.assertAlmostEqual(speed("10", "KT").value("MPH"), 11.5, 1)
self.assertAlmostEqual(speed("10", "KT").value("MPS"), 5.1, 1)
self.assertAlmostEqual(speed("10", "KT").value("KMH"), 18.5, 1)
self.assertEqual(speed("10", "MPH").value("MPH"), 10.0)
self.assertAlmostEqual(speed("10", "MPH").value("KT"), 8.7, 1)
self.assertAlmostEqual(speed("10", "MPH").value("MPS"), 4.5, 1)
self.assertAlmostEqual(speed("10", "MPH").value("KMH"), 16.1, 1)
self.assertEqual(speed("10", "KMH").value("KMH"), 10.0)
self.assertAlmostEqual(speed("10", "KMH").value("KT"), 5.4, 1)
self.assertAlmostEqual(speed("10", "KMH").value("MPS"), 2.8, 1)
self.assertAlmostEqual(speed("10", "KMH").value("MPH"), 6.2, 1)
