human
Complete this python program:
def complete():
assistant
#Here is the Python program you requested.

    """RESTful CRUD controller
    """
    table = s3db.survey_complete
    stable = s3db.survey_series
    s3db.survey_answerlist_dataTable_pre()
    series_id = None
    try:
        viewing = get_vars.get('viewing', None)
        if viewing:
            (dummy, series_id) = viewing.split('.')
            series = db((stable.id == series_id)).select(stable.name, limitby=(0, 1)).first()
            if series:
                series_name = series.name
            else:
                series_name = ''
        if (series_name != ''):
            csv_extra_fields = [dict(label='Series', value=series_name)]
        else:
            csv_extra_fields = []
    except:
        csv_extra_fields = []
    def postp(r, output):
        if (r.method == 'import'):
            pass
        else:
            s3db.survey_answerlist_dataTable_post(r)
        return output
    s3.postp = postp
    def import_xls(uploadFile):
        '\n                                                Import    Assessment    Spreadsheet\n                                '
        if (series_id is None):
            response.error = T('Series    details    missing')
            return
        openFile = StringIO()
        try:
            import xlrd
            from xlwt.Utils import cell_to_rowcol2
        except ImportError:
            current.log.error('ERROR:    xlrd    &    xlwt    modules    are    needed    for    importing    spreadsheets')
            return None
        workbook = xlrd.open_workbook(file_contents=uploadFile)
        try:
            sheetR = workbook.sheet_by_name('Assessment')
            sheetM = workbook.sheet_by_name('Metadata')
        except:
            session.error = T('You    need    to    use    the    spreadsheet    which    you    can    download    from    this    page')
            redirect(URL(c='survey', f='new_assessment', args=[], vars={'viewing': ('survey_series.%s' % series_id)}))
        header = ''
        body = ''
        for row in xrange(1, sheetM.nrows):
            header += (',"%s"' % sheetM.cell_value(row, 0))
           ...