def write(self):
"""Save exif data to photo file on disk."""
if self.altitude is not None:
self.exif[GPS + 'Altitude'] = float_to_rational(self.altitude)
self.exif[GPS + 'AltitudeRef'] = '0' if self.altitude >= 0 else '1'
self.exif[GPS + 'Latitude'] = decimal_to_dms(self.latitude)
self.exif[GPS + 'LatitudeRef'] = 'N' if self.latitude >= 0 else 'S'
self.exif[GPS + 'Longitude'] = decimal_to_dms(self.longitude)
self.exif[GPS + 'LongitudeRef'] = 'E' if self.longitude >= 0 else 'W'
self.exif[GPS + 'MapDatum'] = 'WGS-84'
self.exif.write()
def write(self):
"""Save exif data to photo file on disk."""
if self.altitude is not None:
self.exif[GPS + 'Altitude'] = float_to_rational(self.altitude)
self.exif[GPS + 'AltitudeRef'] = '0' if self.altitude >= 0 else '1'
self.exif[GPS + 'Latitude'] = decimal_to_dms(self.latitude)
self.exif[GPS + 'LatitudeRef'] = 'N' if self.latitude >= 0 else 'S'
self.exif[GPS + 'Longitude'] = decimal_to_dms(self.longitude)
self.exif[GPS + 'LongitudeRef'] = 'E' if self.longitude >= 0 else 'W'
self.exif[GPS + 'MapDatum'] = 'WGS-84'
self.exif.write()
def write(self):
"""Save exif data to photo file on disk."""
if self.altitude is not None:
self.exif[GPS + 'Altitude'] = float_to_rational(self.altitude)
self.exif[GPS + 'AltitudeRef'] = '0' if self.altitude >= 0 else '1'
self.exif[GPS + 'Latitude'] = decimal_to_dms(self.latitude)
self.exif[GPS + 'LatitudeRef'] = 'N' if self.latitude >= 0 else 'S'
self.exif[GPS + 'Longitude'] = decimal_to_dms(self.longitude)
self.exif[GPS + 'LongitudeRef'] = 'E' if self.longitude >= 0 else 'W'
self.exif[GPS + 'MapDatum'] = 'WGS-84'
self.exif.write()
modified.discard(self)
self.liststore.set_value(self.iter, 1, self.long_summary())
def test_gps_math(self):
"""Test coordinate conversion functions."""
rats_to_fracs = lambda rats: [Fraction(rat.to_float()) for rat in rats]
# Really important that this method is bulletproof
self.assertFalse(valid_coords(None, None))
self.assertFalse(valid_coords('', ''))
self.assertFalse(valid_coords(True, True))
self.assertFalse(valid_coords(False, False))
self.assertFalse(valid_coords(45, 270))
self.assertFalse(valid_coords(100, 50))
self.assertFalse(valid_coords([], 50))
self.assertFalse(valid_coords(45, {'grunt':42}))
self.assertFalse(valid_coords(self, 50))
self.assertFalse(valid_coords(45, valid_coords))
self.assertFalse(valid_coords("ya", "dun goofed"))
# St. John's broke the math. I'm not sure why.
# Seriously. Revert commit 362dd6eb and watch this explode.
stjohns = Coordinates()
stjohns.latitude = 47.56494
stjohns.longitude = -52.70931
stjohns.lookup_geoname()
self.assertEqual(stjohns.city, "St. John's")
# Pick 100 random coordinates on the globe, convert them from decimal
# to sexagesimal and then back, and ensure that they are always equal.
for _ in range(100):
# Oh, and test altitudes too
altitude = round(random_coord(1000), 6)
fraction = float_to_rational(altitude)
self.assertAlmostEqual(
abs(altitude),
fraction.numerator / fraction.denominator,
3
)
decimal_lat = round(random_coord(80), 6)
decimal_lon = round(random_coord(180), 6)
self.assertTrue(valid_coords(decimal_lat, decimal_lon))
dms_lat = decimal_to_dms(decimal_lat)
dms_lon = decimal_to_dms(decimal_lon)
self.assertEqual(len(dms_lat), 3)
self.assertEqual(
dms_lat[0].numerator,
floor(abs(decimal_lat))
)
self.assertEqual(len(dms_lon), 3)
self.assertEqual(
dms_lon[0].numerator,
floor(abs(decimal_lon))
)
self.assertAlmostEqual(
decimal_lat,
dms_to_decimal(*rats_to_fracs(dms_lat) + ['N' if decimal_lat >= 0 else 'S']),
10 # equal to 10 places
)
self.assertAlmostEqual(
decimal_lon,
dms_to_decimal(*rats_to_fracs(dms_lon) + ['E' if decimal_lon >= 0 else 'W']),
10 # equal to 10 places
)
def test_gps_math(self):
"""Test coordinate conversion functions."""
rats_to_fracs = lambda rats: [Fraction(rat.to_float()) for rat in rats]
# Really important that this method is bulletproof
self.assertFalse(valid_coords(None, None))
self.assertFalse(valid_coords('', ''))
self.assertFalse(valid_coords(True, True))
self.assertFalse(valid_coords(False, False))
self.assertFalse(valid_coords(45, 270))
self.assertFalse(valid_coords(100, 50))
self.assertFalse(valid_coords([], 50))
self.assertFalse(valid_coords(45, {'grunt':42}))
self.assertFalse(valid_coords(self, 50))
self.assertFalse(valid_coords(45, valid_coords))
self.assertFalse(valid_coords("ya", "dun goofed"))
# St. John's broke the math. I'm not sure why.
# Seriously. Revert commit 362dd6eb and watch this explode.
stjohns = Coordinates()
stjohns.latitude = 47.56494
stjohns.longitude = -52.70931
stjohns.lookup_geoname()
self.assertEqual(stjohns.city, "St. John's")
# Pick 100 random coordinates on the globe, convert them from decimal
# to sexagesimal and then back, and ensure that they are always equal.
for i in range(100):
# Oh, and test altitudes too
altitude = round(random_coord(1000), 6)
fraction = float_to_rational(altitude)
self.assertAlmostEqual(
abs(altitude),
fraction.numerator / fraction.denominator,
3
)
decimal_lat = round(random_coord(80), 6)
decimal_lon = round(random_coord(180), 6)
self.assertTrue(valid_coords(decimal_lat, decimal_lon))
dms_lat = decimal_to_dms(decimal_lat)
dms_lon = decimal_to_dms(decimal_lon)
self.assertEqual(len(dms_lat), 3)
self.assertEqual(
dms_lat[0].numerator,
floor(abs(decimal_lat))
)
self.assertEqual(len(dms_lon), 3)
self.assertEqual(
dms_lon[0].numerator,
floor(abs(decimal_lon))
)
self.assertAlmostEqual(
decimal_lat,
dms_to_decimal(*rats_to_fracs(dms_lat) + ['N' if decimal_lat >= 0 else 'S']),
10 # equal to 10 places
)
self.assertAlmostEqual(
decimal_lon,
dms_to_decimal(*rats_to_fracs(dms_lon) + ['E' if decimal_lon >= 0 else 'W']),
10 # equal to 10 places
)