def test_makernote_types(self):
# Makernote tags not attached to an image have an Undefined type by
# default. When read from an existing image though, their type should be
# correctly set (see https://bugs.launchpad.net/pyexiv2/+bug/781464).
tag1 = ExifTag('Exif.Pentax.PreviewResolution')
tag1.raw_value = '640 480'
self.assertEqual(tag1.type, 'Undefined')
self.failUnlessRaises(ValueError, getattr, tag1, 'value')
tag2 = ExifTag('Exif.Pentax.CameraInfo')
tag2.raw_value = '76830 20070527 2 1 4228109'
self.assertEqual(tag2.type, 'Undefined')
self.failUnlessRaises(ValueError, getattr, tag2, 'value')
filepath = testutils.get_absolute_file_path(
os.path.join('data', 'pentax-makernote.jpg'))
checksum = '646804b309a4a2d31feafe9bffc5d7f0'
self.assert_(testutils.CheckFileSum(filepath, checksum))
metadata = ImageMetadata(filepath)
metadata.read()
tag1 = metadata[tag1.key]
self.assertEqual(tag1.type, 'Short')
self.assertEqual(tag1.value, [640, 480])
tag2 = metadata[tag2.key]
self.assertEqual(tag2.type, 'Long')
self.assertEqual(tag2.value, [76830L, 20070527L, 2L, 1L, 4228109L])
def _read_image(self, filename):
filepath = testutils.get_absolute_file_path(
os.path.join('data', filename))
self.assert_(testutils.CheckFileSum(filepath,
self.checksums[filename]))
m = ImageMetadata(filepath)
m.read()
return m
def assertCorrectFile(self, filename, md5sum):
"""
Ensure that the filename and the MD5 checksum match up.
"""
self.assert_(testutils.CheckFileSum(filename, md5sum))
def setUp(self):
filename = os.path.join('data', 'smiley1.jpg')
self.filepath = testutils.get_absolute_file_path(filename)
self.md5sum = 'c066958457c685853293058f9bf129c1'
self.assert_(testutils.CheckFileSum(self.filepath, self.md5sum))