so2html.py 文件源码

def oa_to_standoff(annotations, target_key='target'):
    """Convert OA annotations to Standoff objects."""
    standoffs = []
    for annotation in annotations:
        target = annotation[target_key]
        # assume target is current doc, ignore all but fragment.
        fragment = urlparse.urldefrag(target)[1]
        try:
            start_end = fragment.split('=', 1)[1]
            start, end = start_end.split(',')
        except IndexError:
            warn('failed to parse target %s' % target)
            start, end = 0, 1
        for type_, norm in _parse_body(annotation):
            standoffs.append(Standoff(int(start), int(end), type_, norm))
    return standoffs