Fix the EXIF image rotation browser bug by rotating the image manually

autorotate.py

from PIL import Image

def autorotate(path):
    """ This function autorotates a picture based upon its EXIF data
        because smartphones use a little used EXIF option to set the
        rotation of an image rather than save the data in that orientation
    """

    image = Image.open(path)
    try:
        exif = image._getexif()
    except:
        return False

    if not exif:
        return False

    orientation_key = 274  # cf ExifTags
    if orientation_key in exif:
        orientation = exif[orientation_key]

        rotate_values = {
            3: 180,
            6: 270,
            8: 90
        }

        if orientation in rotate_values:
            # Rotate and save the picture
            image = image.rotate(rotate_values[orientation])
            image.save(path, quality=100)
            return True

    return False