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 test_convert_to_string_comment(self):
# Valid values
tag = ExifTag('Exif.Photo.UserComment')
self.assertEqual(tag.type, 'Comment')
self.assertEqual(tag._convert_to_string('A comment'), b'A comment')
charsets = ('Ascii', 'Jis', 'Unicode', 'Undefined')
for charset in charsets:
tag.raw_value = 'charset="%s" foo' % charset
self.assertEqual(tag._convert_to_string('A comment'), b'A comment')
self.assertEqual(tag._convert_to_string('déjà vu'),
b'd\xc3\xa9j\xc3\xa0 vu')
def test_convert_to_string_comment(self):
# Valid values
tag = ExifTag("Exif.Photo.UserComment")
self.assertEqual(tag.type, "Comment")
self.assertEqual(tag._convert_to_string("A comment"), "A comment")
self.assertEqual(tag._convert_to_string(u"A comment"), "A comment")
charsets = ("Ascii", "Jis", "Unicode", "Undefined")
for charset in charsets:
tag.raw_value = 'charset="%s" foo' % charset
self.assertEqual(tag._convert_to_string("A comment"), 'charset="%s" A comment' % charset)
self.assertEqual(tag._convert_to_string("déjà vu"), "déjà vu")
# Invalid values
self.failUnlessRaises(ExifValueError, tag._convert_to_string, None)
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 test_convert_to_string_comment(self):
# Valid values
tag = ExifTag('Exif.Photo.UserComment')
self.assertEqual(tag.type, 'Comment')
self.assertEqual(tag._convert_to_string('A comment'), 'A comment')
self.assertEqual(tag._convert_to_string(u'A comment'), 'A comment')
charsets = ('Ascii', 'Jis', 'Unicode', 'Undefined')
for charset in charsets:
tag.raw_value = 'charset="%s" foo' % charset
self.assertEqual(tag._convert_to_string('A comment'),
'charset="%s" A comment' % charset)
self.assertEqual(tag._convert_to_string('déjà vu'), 'déjà vu')
# Invalid values
self.failUnlessRaises(ExifValueError, tag._convert_to_string, None)
def test_makernote_types():
# 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'
assert tag1.type == 'Undefined'
tag2 = ExifTag('Exif.Pentax.CameraInfo')
tag2.raw_value = '76830 20070527 2 1 4228109'
assert tag2.type == 'Undefined'
with pytest.raises(ValueError):
tag2.value
metadata = load_image('pentax-makernote.jpg',
'646804b309a4a2d31feafe9bffc5d7f0')
tag1 = metadata[tag1.key]
assert tag1.type == 'Short'
assert tag1.value == [640, 480]
tag2 = metadata[tag2.key]
assert tag2.type == 'Long'
assert tag2.value == [76830, 20070527, 2, 1, 4228109]
def test_convert_to_string_comment(self):
# Valid values
tag = ExifTag('Exif.Photo.UserComment')
self.assertEqual(tag.type, 'Comment')
self.assertEqual(tag._convert_to_string('A comment'), 'A comment')
self.assertEqual(tag._convert_to_string(u'A comment'), 'A comment')
charsets = ('Ascii', 'Jis', 'Unicode', 'Undefined')
for charset in charsets:
tag.raw_value = 'charset="%s" foo' % charset
self.assertEqual(tag._convert_to_string('A comment'),
'charset="%s" A comment' % charset)
self.assertEqual(tag._convert_to_string('déjà vu'), 'déjà vu')
# Invalid values
self.failUnlessRaises(ExifValueError, tag._convert_to_string, None)
def test_set_raw_value_invalid():
tag = ExifTag('Exif.GPSInfo.GPSVersionID')
with pytest.raises(ValueError):
tag.raw_value = '2 0 0 foo'
