def get_orientation(self, override_exif=True):
if (not hasattr(self, 'exif')) or self.exif is None:
return
orientation = None
try:
segment = ExifSegment(None, None, self.exif, 'ro')
primary = segment.primary
orientation = primary['Orientation']
if orientation:
orientation = orientation[0]
if orientation != 1 and override_exif:
primary['Orientation'] = [1]
self.exif = segment.get_data()
except Exception:
logger.exception('Ignored error handling exif for reorientation')
finally:
return orientation
def reorientate(self):
if (not hasattr(self, 'exif')) or self.exif is None:
return
orientation = None
try:
segment = ExifSegment(None, None, self.exif, 'ro')
primary = segment.primary
orientation = primary['Orientation']
if orientation:
orientation = orientation[0]
if orientation != 1:
primary['Orientation'] = [1]
self.exif = segment.get_data()
except Exception:
logger.exception('Ignored error handling exif for reorientation')
if orientation == 2:
self.flip_horizontally()
elif orientation == 3:
self.rotate(180)
elif orientation == 4:
self.flip_vertically()
elif orientation == 5:
# Horizontal Mirror + Rotation 270
self.flip_vertically()
self.rotate(270)
elif orientation == 6:
self.rotate(270)
elif orientation == 7:
# Vertical Mirror + Rotation 270
self.flip_horizontally()
self.rotate(270)
elif orientation == 8:
self.rotate(90)
def reorientate(self):
if (not hasattr(self, 'exif')) or self.exif is None:
return
orientation = None
try:
segment = ExifSegment(None, None, self.exif, 'ro')
primary = segment.primary
orientation = primary['Orientation']
if orientation:
orientation = orientation[0]
if orientation != 1:
primary['Orientation'] = [1]
self.exif = segment.get_data()
except Exception:
logger.exception('Ignored error handling exif for reorientation')
if orientation == 2:
self.flip_horizontally()
elif orientation == 3:
self.rotate(180)
elif orientation == 4:
self.flip_vertically()
elif orientation == 5:
# Horizontal Mirror + Rotation 270
self.flip_vertically()
self.rotate(270)
elif orientation == 6:
self.rotate(270)
elif orientation == 7:
# Vertical Mirror + Rotation 270
self.flip_horizontally()
self.rotate(270)
elif orientation == 8:
self.rotate(90)
