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Handle duplicate exif header

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Co-authored-by: Jamil Zakirov <djamilzak@gmail.com>
This commit is contained in:
Andrew Murray 2024-09-06 11:56:06 +10:00
parent 965cb518a2
commit 23c461e431
2 changed files with 9 additions and 1 deletions
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8
Tests/test_image.py
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@ -775,6 +775,14 @@ class TestImage:
exif.load(b"Exif\x00\x00")
assert not dict(exif)
def test_duplicate_exif_header(self) -> None:
with Image.open("Tests/images/exif.png") as im:
im.load()
im.info["exif"] = b"Exif\x00\x00" + im.info["exif"]
exif = im.getexif()
assert exif[274] == 1
def test_empty_get_ifd(self) -> None:
exif = Image.Exif()
ifd = exif.get_ifd(0x8769)

2
src/PIL/Image.py
View File

@ -3968,7 +3968,7 @@ class Exif(_ExifBase):
self._data.clear()
self._hidden_data.clear()
self._ifds.clear()
if data and data.startswith(b"Exif\x00\x00"):
while data and data.startswith(b"Exif\x00\x00"):
data = data[6:]
if not data:
self._info = None