attachment.py 文件源码

def create_new_attachment(paste_id, file_name, file_size, mime_type, file_data):
    """
    Create a new database entry for an attachment with the given file_name, associated with a particular paste ID.

    :param paste_id: Paste ID to associate with this attachment
    :param file_name: Raw name of the file
    :param file_size: Size of the file in bytes
    :param mime_type: MIME type of the file
    :param file_data: Binary, base64-encoded file data
    :return: An instance of models.Attachment describing this attachment entry
    :raises PasteDoesNotExistException: If the associated paste does not exist
    """
    # Add an entry into the database describing this file
    new_attachment = models.Attachment(
        paste_id=paste_id,
        file_name=secure_filename(file_name),
        file_size=file_size,
        mime_type=mime_type,
    )

    _store_attachment_file(paste_id, file_data, new_attachment.hash_name)

    session.add(new_attachment)
    session.commit()

    return new_attachment