Depends:
ii  python-iptcdata                           1.0.4-1                                         Python bindings for the iptcdata library
ii  python-pyexiv2                            0.1.3-6fakesync1                                Python binding to Exiv2
ii  python-imaging                            1.1.7-2                                         Python Imaging Library


Running:
find /home/gmeno/devel/media/ -type f  2>/dev/null| grep jpg | xargs -I'{}' python /home/gmeno/metatest.py "{}" > differences