Get EXIF, IPTC Metadata, etc. with Python & PIllow

get_exif.py

from PIL import Image
from PIL.ExifTags import GPSTAGS
from PIL.ExifTags import TAGS

# Keys are listed here:
# https://github.com/python-pillow/Pillow/blob/master/PIL/ExifTags.py

def _map_key(k):
    try:
        return TAGS[k]
    except KeyError:
        return GPSTAGS.get(k, k)

def get_exif(image_path):
    metadata = {}
    with Image.open(image_path) as i:
        info = i._getexif()
    try:
        [ metadata.__setitem__(_map_key(k), v) for k, v in info.items() ]
        return metadata
    except AttributeError:
        return None

the urls for the keys returns 404