pybibtex.py 文件源码

def ids_to_string(ids_list):
    """Converts lists of integer IDs to text"""
    sorted_ids = sorted(ids_list)
    ranges = []
    for key, group in groupby(enumerate(sorted_ids), lambda x: x[0] - x[1]):
        group = list(map(itemgetter(1), group))
        if len(group) > 1:
            ranges.append([group[0], group[-1]])
        else:
            ranges.append(group[0])

    parsed = []
    for r in ranges:
        if isinstance(r, list):
            parsed.append('%d-%d' % (r[0], r[1]))
        else:
            parsed.append(str(r))

    return '[%s]' % ','.join(parsed)