Get a `struct.error` when trying to load exif data

[rparent]

II am reading several images coming from the same device (which means the EXIF version should be the same for each image), and sometimes the exif loading works fine but sometimes I get the following error :

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/renaud/src/backoffice/venv/lib/site-packages/piexif/_load.py", line 51, in load
    exif_dict["1st"] = exifReader.get_ifd_dict(pointer, "1st")
  File "/home/renaud/src/backoffice/venv/lib/site-packages/piexif/_load.py", line 92, in get_ifd_dict
    self.tiftag[pointer: pointer+2])[0]
struct.error: unpack requires a string argument of length 2

If it can help, this seems to happen only at a certain orientation (exif orientation = 6).

Here is an example image which gives me this error.

[hMatoba]

This jpeg's exif(1st IFD) is broken. I checked it on http://regex.info/exif.cgi

[rparent]

OK, thanks for the answer, and for the work on this package. I will check the reason why the exif is broken, it is weird...

In those cases, maybe piexif.load could load the rest of the exif with a warning if it is readable, or at least raise a clear exception indicating that the exif is broken ? Could save some time to other developers that will try to read broken exifs !

[hMatoba]

Exception... There are too many cases that exif are broken. I could support this case, but other cases, I can't support them until it happens.

[MrfksIv]

The same thing happens to this image even though the http://regex.info/exif.cgi manages to extract the exif. Any ideas?