def test_exif_ifd(self):
with Image.open("Tests/images/flower.jpg") as im:
exif = im.getexif()
del exif.get_ifd(0x8769)[0xA005]
reloaded_exif = Image.Exif()
reloaded_exif.load(exif.tobytes())
assert reloaded_exif.get_ifd(0x8769) == exif.get_ifd(0x8769)
def test_exif_bytes_argument(self, tmp_path):
exif = Image.Exif()
exif[274] = 1
exif_data = exif.tobytes()
with Image.open(TEST_AVIF_FILE) as im:
test_file = str(tmp_path / "temp.avif")
im.save(test_file, exif=exif_data)
with Image.open(test_file) as reloaded:
assert reloaded.info["exif"] == exif_data
def clean(img):
"""
Remove all exif tags except the orientation
"""
TAG_ORIENTATION = 0x112
exif = img.getexif()
if len(exif) > 0:
clean_exif = Image.Exif()
if TAG_ORIENTATION in exif:
clean_exif[TAG_ORIENTATION] = exif[TAG_ORIENTATION]
img.info["exif"] = clean_exif.tobytes()
def test_exif_interop(self):
with Image.open("Tests/images/flower.jpg") as im:
exif = im.getexif()
assert exif.get_ifd(0xA005) == {
1: "R98",
2: b"0100",
4097: 2272,
4098: 1704,
}
reloaded_exif = Image.Exif()
reloaded_exif.load(exif.tobytes())
assert reloaded_exif.get_ifd(0xA005) == exif.get_ifd(0xA005)
def test_exif_load_from_fp(self):
with Image.open("Tests/images/flower.jpg") as im:
data = im.info["exif"]
if data.startswith(b"Exif\x00\x00"):
data = data[6:]
fp = io.BytesIO(data)
exif = Image.Exif()
exif.load_from_fp(fp)
assert exif == {
271: "Canon",
272: "Canon PowerShot S40",
274: 1,
282: 180.0,
283: 180.0,
296: 2,
306: "2003:12:14 12:01:44",
531: 1,
34665: 196,
}
def test_exif_gps(self, tmp_path):
expected_exif_gps = {
0: b"\x00\x00\x00\x01",
2: 4294967295,
5: b"\x01",
30: 65535,
29: "1999:99:99 99:99:99",
}
gps_index = 34853
# Reading
with Image.open("Tests/images/exif_gps.jpg") as im:
exif = im._getexif()
assert exif[gps_index] == expected_exif_gps
# Writing
f = str(tmp_path / "temp.jpg")
exif = Image.Exif()
exif[gps_index] = expected_exif_gps
hopper().save(f, exif=exif)
with Image.open(f) as reloaded:
exif = reloaded._getexif()
assert exif[gps_index] == expected_exif_gps
