exif_data.py

import argparse
import pyexiv2

def ClearAllMetadata():

    images = os.listdir(os.pwd())

    for i in images:
        metadata = pyexiv2.ImageMetadata(imgname)
        metadata.read()

        for key, value in metadata.iteritems():
            if key == 'Exif.Photo.LensModel':
                print value.raw_value

    # metadata.clear()
    # metadata.write(preserve)

def ModifyMode(imgname, preserve):
    metadata = pyexiv2.ImageMetadata(imgname)
    metadata.read()
    for key, value in metadata.iteritems():
        print key, value.raw_value
    modkey = raw_input("Key to modify (q to quit):")
    while not modkey == 'q':
        print "Editing:"+str(metadata[modkey].raw_value)
        modvalue = raw_input("New Value: (q to quit):")
        if modvalue == 'q':
            break
        metadata[modkey].raw_value = str(modvalue)
        modkey = raw_input("Key to modify (q to quit):")
    metadata.write(preserve)

def Main():
    parser = argparse.ArgumentParser()
    # parser.add_argument("img", help="Image file to manipulate")
    # parser.add_argument("--clear", "-c", help="Clear all meta data from the file", action="store_true")
    # parser.add_argument("--preserve", "-p", help="Preserve image modified date", action="store_true")
    # args = parser.parse_args()
    # if args.img:
    #     if args.clear:
    ClearAllMetadata()
        # else:
        #     pass
            #ModifyMode(args.img, args.preserve)
    # else:
    #     print parser.usage

if __name__ == '__main__':
    Main()