Read EXIF data from an image

exif.py

#!/usr/local/bin/python

"""Read EXIF data from an image
https://gist.github.com/ishahid/137f8724d8cff2304dffd69f3ade26d7
"""

try:
    import os, sys
    # import json
    from PIL import Image
    from PIL.ExifTags import TAGS

except ImportError as exc:
    print 'Required dependencies not installed.'
    print 'Run the following commands...'
    print '$ pip install pillow'
    print exc
    exit()


def get_exif(fn):
    ret = {}

    try:
        i = Image.open(fn)
        info = i._getexif()

    except:
        return ret

    if info:
        for tag, value in info.items():
            decoded = TAGS.get(tag, tag)
            ret[decoded] = value
        return ret

    else:
        return ret


if __name__ == "__main__":
    if len(sys.argv) != 2:
        print 'Usage: exif.py <file>' + os.linesep

    else:
        file_name = sys.argv[1]
        data = get_exif(file_name)
        if data:
            for key in sorted(data.keys()):
                print '%s: %s' % (key, data[key])

        else:
            print 'No EXIF data found.'