def test_exif_tag_value(self):
exif_data = {"id": 0, "type": 0, "value": 0, "len": 0}
exif_info = eti("0th", ">", 0, exif_data)
self.assertEqual(exif_info.exif_tag_value(), 0)
exif_data = {"id": 0, "type": 0, "value": 0xffff, "len": 0}
exif_info = eti("0th", ">", 0, exif_data)
self.assertEqual(exif_info.exif_tag_value(), 0xffff)
def test_exif_tag_length(self):
exif_data = {"id": 0, "type": 0, "value": 0, "len": 6}
exif_info = eti("0th", ">", 0, exif_data)
self.assertEqual(exif_info.exif_tag_length(), 6)
exif_data = {"id": 0, "type": 0, "value": 0, "len": 0}
exif_info = eti("0th", ">", 0, exif_data)
self.assertEqual(exif_info.exif_tag_length(), 0)
def test_change_rational_to_value(self):
exif_data = {"id": 0, "type": 5, "value": 0, "len": 1}
exif_info = eti("0th", ">", 0, exif_data)
data = struct.pack('>2L', 0x00000002, 0x00000001)
self.assertEqual(exif_info.change_rational_to_value(data), "2")
exif_data = {"id": 0, "type": 5, "value": 0, "len": 1}
exif_info = eti("0th", "<", 0, exif_data)
data = struct.pack('<2L', 0x00000002, 0x00000001)
self.assertEqual(exif_info.change_rational_to_value(data), "2")
def test_undefined_data_to_string(self):
exif_data = {"id": 0, "type": 5, "value": 0, "len": 5}
exif_info = eti("0th", ">", 0, exif_data)
data = struct.pack('>5B', 0x01, 0x02, 0x03, 0x04, 0x05)
self.assertEqual(exif_info._undefined_data_to_string(data),
'\n\t0x01, 0x02, 0x03, 0x04, 0x05, ')
exif_data = {"id": 0, "type": 5, "value": 0, "len": 11}
exif_info = eti("0th", ">", 0, exif_data)
data = struct.pack('>11B', 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x10, 0x0a)
self.assertEqual(
exif_info._undefined_data_to_string(data),
'\n\t0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x10, \n\t0x0a, '
)
def test_change_value_to_string(self):
exif_data = {"id": 0x0103, "type": 0, "value": 1, "len": 0}
exif_info = eti("0th", ">", 0, exif_data)
self.assertEqual(exif_info.change_value_to_string(), "非圧縮")
exif_data = {"id": 0x0103, "type": 0, "value": 6, "len": 0}
exif_info = eti("0th", ">", 0, exif_data)
self.assertEqual(exif_info.change_value_to_string(),
"JPEG 圧縮(サムネイルのみ)")
exif_data = {"id": 0x0103, "type": 0, "value": 0, "len": 0}
exif_info = eti("0th", ">", 0, exif_data)
self.assertEqual(exif_info.change_value_to_string(), "Unkown value")
exif_data = {"id": 0x1001, "type": 0, "value": 1, "len": 0}
exif_info = eti("intr", ">", 0, exif_data)
self.assertEqual(exif_info.change_value_to_string(), "1")
def test_change_id_to_string(self):
exif_data = {"id": 0x0000, "type": 0, "value": 0, "len": 0}
exif_info = eti("0th", ">", 0, exif_data)
self.assertEqual(exif_info.change_id_to_string(), "Unkown ID")
exif_data = {"id": 0x0100, "type": 0, "value": 0, "len": 0}
exif_info = eti("exif", ">", 0, exif_data)
self.assertEqual(exif_info.change_id_to_string(), "画像の幅")
exif_data = {"id": 0x0100, "type": 0, "value": 0, "len": 0}
exif_info = eti("0th", ">", 0, exif_data)
self.assertEqual(exif_info.change_id_to_string(), "画像の幅")
exif_data = {"id": 0x0100, "type": 0, "value": 0, "len": 0}
exif_info = eti("1st", ">", 0, exif_data)
self.assertEqual(exif_info.change_id_to_string(), "画像の幅")
exif_data = {"id": 0x0100, "type": 0, "value": 0, "len": 0}
exif_info = eti("gps", ">", 0, exif_data)
self.assertEqual(exif_info.change_id_to_string(), "Unkown ID")
exif_data = {"id": 0x0001, "type": 0, "value": 0, "len": 0}
exif_info = eti("gps", ">", 0, exif_data)
self.assertEqual(exif_info.change_id_to_string(), "北緯(N) or 南緯(S)")
exif_data = {"id": 0x0100, "type": 0, "value": 0, "len": 0}
exif_info = eti("intr", ">", 0, exif_data)
self.assertEqual(exif_info.change_id_to_string(), "Unkown ID")
exif_data = {"id": 0x0001, "type": 0, "value": 0, "len": 0}
exif_info = eti("intr", ">", 0, exif_data)
self.assertEqual(exif_info.change_id_to_string(), "互換性インデックス")
def test_change_rational_to_exposure_bias(self):
exif_data = {"id": 0, "type": 5, "value": 0, "len": 1}
exif_info = eti("0th", ">", 0, exif_data)
data = (0x00000002, 0x00000001)
self.assertEqual(exif_info.change_rational_to_exposure_bias(data),
"+2.0")
exif_data = {"id": 0, "type": 5, "value": 0, "len": 1}
exif_info = eti("0th", ">", 0, exif_data)
data = (0x00000000, 0x00000000)
self.assertEqual(exif_info.change_rational_to_exposure_bias(data),
"0.0")
exif_data = {"id": 0, "type": 5, "value": 0, "len": 1}
exif_info = eti("0th", ">", 0, exif_data)
data = (-2, 1)
self.assertEqual(exif_info.change_rational_to_exposure_bias(data),
"-2.0")
def test_change_value_to_pim(self):
exif_data = {"id": 0, "type": 5, "value": 0, "len": 1}
exif_info = eti("0th", ">", 0, exif_data)
data = struct.pack('>7s1B1L2H1L1H1L', b'PrintIM', 0x00, 0x30313233,
0x0002, 0x0001, 0x0000000a, 0x0002, 0x0000000b)
self.assertEqual(
exif_info.change_value_to_pim(data),
'PrintIM : 0123 : length = 1\n\t--- PrintIM Data ---\n\t 0000 : 000a0002'
)
def test_change_ascii_to_value(self):
exif_data = {"id": 0, "type": 0, "value": 0, "len": 6}
exif_info = eti("0th", ">", 0, exif_data)
self.assertEqual(
exif_info.change_ascii_to_value(b'\x31\x32\x33\x34\x35\x00'),
"12345")
self.assertEqual(
exif_info.change_ascii_to_value(b'\x61\x62\x63\x64\x65\x00'),
"abcde")
def test_value_to_pim(self):
exif_data = {"id": 0, "type": 5, "value": 0, "len": 1}
exif_info = eti("0th", ">", 0, exif_data)
data = struct.pack('>7s1B1L2B2H1L1H1L', b'PrintIM', 0x00, 0x30313233,
0x00, 0x00, 0x0002, 0x0001, 0x0000000a, 0x0002,
0x0000000b)
self.assertEqual(exif_info._value_to_pim_header(data), 'PrintIM')
self.assertEqual(exif_info._value_to_pim_version(data), '0123')
self.assertEqual(exif_info._value_to_pim_entry_count(data), 2)
self.assertEqual(exif_info._value_to_pim_entry_id(data, 0), 0x0001)
self.assertEqual(exif_info._value_to_pim_entry_value(data, 0),
0x0000000a)
self.assertEqual(exif_info._value_to_pim_entry_id(data, 1), 0x0002)
self.assertEqual(exif_info._value_to_pim_entry_value(data, 1),
0x0000000b)
def display_exif_info(exif_header: ped, read_jpeg_data: bytes,
ifd: str) -> None:
"""Exifの解析結果を表示する"""
byte_order = exif_header.exif_byte_order()
base_offset = exif_header.exif_base_offset()
exif_info_length = exif_header.exif_info_length(ifd)
print('-------------------- {:s} --------------------'.format(ifd))
print('{:4s} IFD Offset = 0x{:08x}'.format(ifd,
exif_header.ifd_offset(ifd)))
print('{:4s} Tag Number = {:d}'.format(ifd, exif_info_length))
for count in range(exif_info_length):
exif_info = eti(ifd, byte_order, base_offset,
exif_header.exif_info(ifd, count))
print('{:s} : [{:s} len = {:6d}] (0x{:08x}) : {:s}'.format( \
_adjust_string(ADJUST_LEFT, 30, exif_info.change_id_to_string()), \
_adjust_string(ADJUST_LEFT, 10, exif_info.change_format_to_string()), \
exif_info.exif_tag_length(), \
exif_info.exif_tag_value(), \
exif_info.change_tag_value_to_string(read_jpeg_data)))
def test_change_int_to_string(self):
exif_data = {"id": 0, "type": 0, "value": 0x31323334, "len": 4}
exif_info = eti("0th", ">", 0, exif_data)
self.assertEqual(exif_info.change_int_to_string(), "1234")
def test_change_rational_to_exposure_time(self):
exif_data = {"id": 0, "type": 5, "value": 0, "len": 1}
exif_info = eti("0th", ">", 0, exif_data)
data = (0x00000002, 0x00000001)
self.assertEqual(exif_info.change_rational_to_exposure_time(data),
"2.000000sec")
def test_change_rational_to_focal_len(self):
exif_data = {"id": 0, "type": 5, "value": 0, "len": 1}
exif_info = eti("0th", ">", 0, exif_data)
data = (0x00000002, 0x00000001)
self.assertEqual(exif_info.change_rational_to_focal_len(data), "2mm")
def test_change_format_to_string(self):
exif_data = {"id": 0, "type": 0, "value": 0, "len": 0}
exif_info = eti("0th", ">", 0, exif_data)
self.assertEqual(exif_info.change_format_to_string(), "Unkown Format")
exif_data = {"id": 0, "type": 1, "value": 0, "len": 0}
exif_info = eti("0th", ">", 0, exif_data)
self.assertEqual(exif_info.change_format_to_string(), "BYTE")
exif_data = {"id": 0, "type": 2, "value": 0, "len": 0}
exif_info = eti("0th", ">", 0, exif_data)
self.assertEqual(exif_info.change_format_to_string(), "ASCII")
exif_data = {"id": 0, "type": 3, "value": 0, "len": 0}
exif_info = eti("0th", ">", 0, exif_data)
self.assertEqual(exif_info.change_format_to_string(), "SHORT")
exif_data = {"id": 0, "type": 4, "value": 0, "len": 0}
exif_info = eti("0th", ">", 0, exif_data)
self.assertEqual(exif_info.change_format_to_string(), "LONG")
exif_data = {"id": 0, "type": 5, "value": 0, "len": 0}
exif_info = eti("0th", ">", 0, exif_data)
self.assertEqual(exif_info.change_format_to_string(), "RATIONAL")
exif_data = {"id": 0, "type": 6, "value": 0, "len": 0}
exif_info = eti("0th", ">", 0, exif_data)
self.assertEqual(exif_info.change_format_to_string(), "SBYTE")
exif_data = {"id": 0, "type": 7, "value": 0, "len": 0}
exif_info = eti("0th", ">", 0, exif_data)
self.assertEqual(exif_info.change_format_to_string(), "UNDEFINED")
exif_data = {"id": 0, "type": 8, "value": 0, "len": 0}
exif_info = eti("0th", ">", 0, exif_data)
self.assertEqual(exif_info.change_format_to_string(), "SSHORT")
exif_data = {"id": 0, "type": 9, "value": 0, "len": 0}
exif_info = eti("0th", ">", 0, exif_data)
self.assertEqual(exif_info.change_format_to_string(), "SLONG")
exif_data = {"id": 0, "type": 10, "value": 0, "len": 0}
exif_info = eti("0th", ">", 0, exif_data)
self.assertEqual(exif_info.change_format_to_string(), "SRATIONAL")
exif_data = {"id": 0, "type": 11, "value": 0, "len": 0}
exif_info = eti("0th", ">", 0, exif_data)
self.assertEqual(exif_info.change_format_to_string(), "SINGLE FLOAT")
exif_data = {"id": 0, "type": 12, "value": 0, "len": 0}
exif_info = eti("0th", ">", 0, exif_data)
self.assertEqual(exif_info.change_format_to_string(), "DOUBLE FLOAT")
def test_change_rational_to_aperture(self):
exif_data = {"id": 0, "type": 5, "value": 0, "len": 1}
exif_info = eti("0th", ">", 0, exif_data)
data = (0x00000002, 0x00000001)
self.assertEqual(exif_info.change_rational_to_aperture(data),
"F2.0 (F2.000000)")
def test_change_rational_to_shutter_speed(self):
exif_data = {"id": 0, "type": 5, "value": 0, "len": 1}
exif_info = eti("0th", ">", 0, exif_data)
data = (0x00000002, 0x00000001)
self.assertEqual(exif_info.change_rational_to_shutter_speed(data),
"1/4 (0.250000sec)")
def test_change_rational_to_brightness(self):
exif_data = {"id": 0, "type": 5, "value": 0, "len": 1}
exif_info = eti("0th", ">", 0, exif_data)
data = (0x00000002, 0x00000001)
self.assertEqual(exif_info.change_rational_to_brightness(data),
"4.000000(B/NK)")
