document.py 文件源码

def set_id(self, data):
    """
    Set ID of document. To allow multiple files with the same path, the
    digest of supplied data (e.g. first 4KB) is appended to the doc ID.

    :param data: Data to append to docuemnt path.
    :type data: Anything digestable by hashlib.
    """
    digest = hashlib.md5()
    digest.update(self.path.encode('utf-8'))

    if isinstance(data, unicode):
      data = data.encode('utf-8')

    digest.update(data)
    self.docid = digest.hexdigest()