in mapillary_tools/exif_write.py [0:0]
def _safe_dump(self) -> bytes:
TRUSTED_TAGS = [
piexif.ExifIFD.DateTimeOriginal,
piexif.GPSIFD.GPSAltitude,
piexif.GPSIFD.GPSAltitudeRef,
piexif.GPSIFD.GPSImgDirection,
piexif.GPSIFD.GPSImgDirection,
piexif.GPSIFD.GPSImgDirectionRef,
piexif.GPSIFD.GPSImgDirectionRef,
piexif.GPSIFD.GPSLatitude,
piexif.GPSIFD.GPSLatitudeRef,
piexif.GPSIFD.GPSLongitude,
piexif.GPSIFD.GPSLongitudeRef,
piexif.ImageIFD.ImageDescription,
piexif.ImageIFD.Orientation,
]
thumbnail_removed = False
while True:
try:
exif_bytes = piexif.dump(self._ef)
except piexif.InvalidImageDataError as exc:
if thumbnail_removed:
raise exc
LOG.debug(
"InvalidImageDataError on dumping -- removing thumbnail and 1st: %s",
exc,
)
# workaround: https://github.com/hMatoba/Piexif/issues/30
del self._ef["thumbnail"]
del self._ef["1st"]
thumbnail_removed = True
# retry later
except ValueError as exc:
# workaround: https://github.com/hMatoba/Piexif/issues/95
# a sample message: "dump" got wrong type of exif value.\n41729 in Exif IFD. Got as <class 'int'>.
message = str(exc)
if "got wrong type of exif value" in message:
split = message.split("\n")
LOG.debug(
"Found invalid EXIF tag -- removing it and retry: %s", message
)
try:
tag = int(split[1].split()[0])
ifd = split[1].split()[2]
except Exception:
raise exc
if tag in TRUSTED_TAGS:
raise exc
else:
del self._ef[ifd][tag]
# retry later
else:
raise exc
else:
break
return exif_bytes