This is a py-program to patch JPEG Photos to prevent auto-rotate in markdown files.

picpatch.py

from PIL import Image
import os, argparse, pexif




def picProcessing(picPath, isForce=False):

    try:
        img = pexif.JpegFile.fromFile(picPath)
        #Get the orientation if it exists
        orientation = img.exif.primary.Orientation[0]
        print "The orientation of this pic is", orientation, "(will change to 1)"
        # Set Orientation to 1
        img.exif.primary.Orientation[0] = 1
        img.writeFile(picPath)

        # now rotate the image using the Python Image Library (PIL)
        print "Preparing to rotate the image..."
        img = Image.open(picPath)
        exifInfo = img.info['exif']
        if isForce:
            img = img.rotate(-90)
        elif orientation is 6: img = img.rotate(-90, expand=1)
        elif orientation is 8: img = img.rotate(90, expand=1)
        elif orientation is 3: img = img.rotate(180, expand=1)
        elif orientation is 2: img = img.transpose(Image.FLIP_LEFT_RIGHT)
        elif orientation is 5: img = img.rotate(-90, expand=1).transpose(Image.FLIP_LEFT_RIGHT)
        elif orientation is 7: img = img.rotate(90, expand=1).transpose(Image.FLIP_LEFT_RIGHT)
        elif orientation is 4: img = img.rotate(180, expand=1).transpose(Image.FLIP_LEFT_RIGHT)
        #save the result
        img.save(picPath, exif=exifInfo)

    except:
       print "ERROR!!!"
       pass


def args_settings():
    parser = argparse.ArgumentParser()
    parser.add_argument("-d", "--directory",
                        help="Desired directory to be processed.", default=os.getcwd())
    parser.add_argument("-A", "--all", help="Processing all the files under this directory",
                        action="store_true", default=False)
    parser.add_argument("-f", "--filename",
                        help="Desired filename to be processed(extension is needed).",
                        default='')
    parser.add_argument("-F", "--force", action="store_true",
                        help="Ignore the Orientation Info and rotate the image file of 90 degrees.")
    parser.add_argument("-r", "--recursive", action="store_true",
                        help="Recursively visit the files under the subfolders.")
    args = parser.parse_args()
    return args

def fileChooser(args):
    isAll = args.all
    filename = args.filename
    directory = args.directory
    isRecursive = args.recursive
    if args.force:
        isForce = True
    else:
        isForce = False
    if os.path.exists(directory):
        if isAll:
            if isRecursive:
                print "You've choosed the all the files under this directory."
                for root, subdirs, files in os.walk(directory):
                    for File in files:
                        if File.lower().endswith(('.jpg', '.jpeg')):
                            picPath = os.path.join(directory, root, File)
                            if (os.path.isfile(picPath)):
                                print "Processing...", File
                                picProcessing(picPath, isForce)
                            else:
                                print "File", File, "does not exist!"
            else:
                print "You've choosed the files under current directory."
                for thisFile in os.listdir(directory):
                    if thisFile.lower().endswith(('.jpg', '.jpeg')):
                        picPath = os.path.join(directory, thisFile)
                        if os.path.isfile(picPath):
                            print "Processing...", thisFile
                            picProcessing(picPath, isForce)
                        else:
                            print "File", thisFile, "does not exist!"

        else:
            if args.filename == '':
                print "You must specify the filename if you choose not all files."
            else:
                print "You've choosed '{}' to process.".format(filename)
                filepath = os.path.join(directory, filename)
                if os.path.isfile(filepath):
                    print "Processing...", filename
                    picProcessing(filepath, isForce)
                    print "Done!"
                else:
                    print "File does not exist!"
    else:
        print "The directory does not exist!"

if __name__ == "__main__":
    args = args_settings()
    fileChooser(args)