Simplified build_captures_from_exif

    for f in files:

        logging.debug("Reloading capture {}...".format(f))

        exif = pull_usercomment_dict(f)

        if exif:

            capture = capture_from_exif(f, exif)

        capture = capture_from_path(f)

        if capture:

            captures[capture.id] = capture

        else:

    return captures

def capture_from_exif(path, exif_dict):

    """

    Creates an instance of CaptureObject from a dictionary of capture information.

    This is used when reloading the API server, to restore captures created in the 

    previous session.

    Args:

        path (str): Path to image file

        exif_dict (dict): Dictionary containing capture information

    """

def capture_from_path(path):

    exif_dict = pull_usercomment_dict(path)

    if exif_dict:

        # Create a placeholder capture

        capture = CaptureObject(filepath=path)

        # Populate capture parameters

        capture.id = image_metadata.get("id")

    capture.datetime = dateutil.parser.isoparse(image_metadata.get("acquisitionDate"))

        capture.datetime = dateutil.parser.isoparse(

            image_metadata.get("acquisitionDate")

        )

        capture.format = image_metadata.get("format")

        capture.tags = image_metadata.get("tags")

        capture.annotations = image_metadata.get("annotations")

        capture.set_metadata(exif_dict)

        return capture

    else:

        return None

class CaptureObject(object):