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Concatenate multiple EXIF markers

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This commit is contained in:
Andrew Murray 2023-10-26 21:46:38 +11:00
parent d05ff5059f
commit e10a58ccce
3 changed files with 10 additions and 4 deletions
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Tests/images/multiple_exif.jpg Normal file
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4
Tests/test_file_jpeg.py
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@ -822,6 +822,10 @@ class TestFileJpeg:
# Act / Assert # Act / Assert
assert im._getexif()[306] == "2017:03:13 23:03:09" assert im._getexif()[306] == "2017:03:13 23:03:09"
def test_multiple_exif(self):
with Image.open("Tests/images/multiple_exif.jpg") as im:
assert im.info["exif"] == b"Exif\x00\x00firstsecond"
@mark_if_feature_version( @mark_if_feature_version(
pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing"
) )

10
src/PIL/JpegImagePlugin.py
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@ -85,10 +85,12 @@ def APP(self, marker):
self.info["dpi"] = jfif_density self.info["dpi"] = jfif_density
self.info["jfif_unit"] = jfif_unit self.info["jfif_unit"] = jfif_unit
self.info["jfif_density"] = jfif_density self.info["jfif_density"] = jfif_density
elif marker == 0xFFE1 and s[:5] == b"Exif\0": elif marker == 0xFFE1 and s[:6] == b"Exif\0\0":
if "exif" not in self.info: # extract EXIF information
# extract EXIF information (incomplete) if "exif" in self.info:
self.info["exif"] = s # FIXME: value will change self.info["exif"] += s[6:]
else:
self.info["exif"] = s
self._exif_offset = self.fp.tell() - n + 6 self._exif_offset = self.fp.tell() - n + 6
elif marker == 0xFFE2 and s[:5] == b"FPXR\0": elif marker == 0xFFE2 and s[:5] == b"FPXR\0":
# extract FlashPix information (incomplete) # extract FlashPix information (incomplete)