send_smpp.py

import smpplib2.gsm
import smpplib2.client
import smpplib2.consts
import smpplib2.exceptions

# TODO: update these based on the address/credentials for the SCSM server
SMSC_ADDRESS = '127.0.0.1'
SMSC_PORT = 1234
SMSC_SYSTEM_ID = 'pavel'
SMSC_PASSWORD = 'wpsd'

# TODO: what should the source address be?
SOURCE_ADDRESS = '11111111'

# TODO: what should the TON and NPI values be?
SOURCE_ADDR_TON = smpplib2.consts.SMPP_TON_INTL
SOURCE_ADDR_NPI = smpplib2.consts.SMPP_NPI_ISDN
DEST_ADDR_TON = smpplib2.consts.SMPP_TON_INTL
DEST_ADDR_NPI = smpplib2.consts.SMPP_NPI_ISDN

# TODO: Probably needs to be translated for each country?
SMS_MESSAGE_TEMPLATE = 'Your Instant Schools password has been reset; the new temporary password is: %s'

def send_temporary_password(phone, password):

    parts, encoding_flag, msg_type_flag = smpplib2.gsm.make_parts(SMS_MESSAGE_TEMPLATE % password)

    try:
        client = smpplib2.client.Client(SMSC_ADDRESS, SMSC_PORT)
        client.connect()
    except smpplib2.exceptions.ConnectionError:
        raise Exception("Unable to connect to SMSC server %s:%s" % (SMSC_ADDRESS, SMSC_PORT))

    client.bind_transceiver(system_id=SMSC_SYSTEM_ID, password=SMSC_PASSWORD)

    for part in parts:

        pdu = client.send_message(
            source_addr_ton=SOURCE_ADDR_TON,
            source_addr_npi=SOURCE_ADDR_NPI,
            source_addr=SOURCE_ADDRESS, 

            dest_addr_ton=DEST_ADDR_TON,
            dest_addr_npi=DEST_ADDR_NPI,
            destination_addr=phone,
            short_message=part,

            data_coding=encoding_flag,
            esm_class=msg_type_flag,
            registered_delivery=True,
        )