def list_ifd(self):
        i = self._first_ifd()
        ifds = []
        while i:
            ifds.append(i)
            i = self._next_ifd(i)
        return ifds
Much like parse.quote in that it returns a URL encoded string
dataset/ETHPy150Open ianare/exif-py/exifread/classes.py/ExifHeader.list_ifd--crossover with--dataset/ETHPy150Open gholt/swiftly/swiftly/client/utils.py/quote