oracle sql query and export excel and send email not shown persian and shown as question marks
connection = cx_Oracle.connect(user_db,password_db,dsn_tns)
df = pd.read_sql(query,con=connection)
attach_file_name = filename+'_'+timestr+'.xlsx'
df.to_excel(attach_file_name,sheet_name="report",encoding="utf-8",engine='xlsxwriter')
msg.attach(MIMEText(body,'plain'))
attach_file = open(attach_file_name,'rb')
payload = MIMEBase('application','octate-stream')
payload.set_payload((attach_file).read())
encoders.encode_base64(payload)
payload.add_header('Content-Disposition',"attach_file; filename= "+attach_file_name)
msg.attach(payload)