class TestMetaHandler(unittest.TestCase):
def setUp(self):
self.mh = MetaHandler()
def tearDown(self):
del self.mh
def test_store_metadata(self):
metadata = {
'title': 'Test title',
'description': 'describing the image',
'tags': ['One', 'two', 'Seven'],
'lat': 39.94119033054447,
'lng': -75.1519775390625,
'license': 'All Rights Reserved',
'isfamily': 0,
'date_posted': datetime.datetime(2011, 4, 12, 16, 23, 4)
}
## ensure it doesnt break with format that does not
## support EXIF/XMP/IPTC
filename = '/tmp/image.gif'
Image.new("RGB", (200, 400)).save(filename)
self.mh.store_metadata(filename, metadata)
filename = '/tmp/image.jpg'
Image.new("RGB", (200, 400)).save(filename)
## check empty metadata dictionary
self.mh.store_metadata(filename, {})
photo_meta = pyexiv2.ImageMetadata(filename)
photo_meta.read()
self.assertEquals(photo_meta.keys(), [])
self.mh.store_metadata(filename, metadata)
def test_degree_to_dms(self):
d, m, s = MetaHandler.degree_to_dms(-87.728055)
self.assertEquals(d, -87)
self.assertEquals(m, 43)
self.assertEquals(s, Decimal('41.00'))
d, m, s = MetaHandler.degree_to_dms(87.728055, prec=5)
self.assertEquals(d, 87)
self.assertEquals(m, 43)
self.assertEquals(s, Decimal('40.99800'))
def test_convert_degrees_to_dms(self):
expected_dict = {
'lat': (39, 56, Decimal('28.29'), 'N'),
'lng': (75, 9, Decimal('7.12'), 'W')
}
dms = self.mh.convert_degrees_to_dms(
39.94119033054447,
-75.1519775390625
)
self.assertEquals(expected_dict, dms)
expected_dict = {
'lat': (22, 52, Decimal('58.22'), 'S'),
'lng': (43, 13, Decimal('52.32'), 'W')
}
dms = self.mh.convert_degrees_to_dms(
-22.882838743256254,
-43.231201171875
)
self.assertEquals(expected_dict, dms)
