File: debit.py

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import datetime
import xml.etree.ElementTree as ET

from .shared import SepaPaymentInitn
from .utils import ADDRESS_MAPPING, int_to_decimal_str, make_id


class SepaDD(SepaPaymentInitn):
    """
    This class creates a Sepa Direct Debit XML File.
    """
    root_el = "CstmrDrctDbtInitn"

    def __init__(self, config, schema="pain.008.003.02", clean=True):
        if "instrument" not in config:
            config["instrument"] = "CORE"
        super().__init__(config, schema, clean)

    def check_config(self, config):
        """
        Check the config file for required fields and validity.
        @param config: The config dict.
        @return: True if valid, error string if invalid paramaters where
        encountered.
        """
        validation = ""
        required = ["name", "IBAN", "batch", "creditor_id", "currency"]
        if self.schema == 'pain.008.001.02' or self.schema == 'pain.008.002.02':
            required += ["BIC"]

        for config_item in required:
            if config_item not in config:
                validation += config_item.upper() + "_MISSING "

        if not validation:
            return True
        else:
            raise Exception("Config file did not validate. " + validation)

    def check_payment(self, payment):
        """
        Check the payment for required fields and validity.
        @param payment: The payment dict
        @return: True if valid, error string if invalid paramaters where
        encountered.
        """
        validation = ""

        if not isinstance(payment['amount'], int):
            validation += "AMOUNT_NOT_INTEGER "

        if not isinstance(payment['mandate_date'], datetime.date):
            validation += "MANDATE_DATE_INVALID_OR_NOT_DATETIME_INSTANCE"
        payment['mandate_date'] = str(payment['mandate_date'])

        if not isinstance(payment['collection_date'], datetime.date):
            validation += "COLLECTION_DATE_INVALID_OR_NOT_DATETIME_INSTANCE"
        payment['collection_date'] = str(payment['collection_date'])

        if validation == "":
            return True
        else:
            raise Exception('Payment did not validate: ' + validation)

    def add_payment(self, payment):
        """
        Function to add payments
        @param payment: The payment dict
        @raise exception: when payment is invalid
        """
        if self.clean:
            from text_unidecode import unidecode

            payment['name'] = unidecode(payment['name'])[:70]
            payment['description'] = unidecode(payment['description'])[:140]

        # Validate the payment
        self.check_payment(payment)

        # Get the CstmrDrctDbtInitnNode
        if not self._config['batch']:
            # Start building the non batch payment
            PmtInf_nodes = self._create_PmtInf_node()
            PmtInf_nodes['PmtInfIdNode'].text = make_id(self._config['name'])
            PmtInf_nodes['PmtMtdNode'].text = "DD"
            PmtInf_nodes['BtchBookgNode'].text = "false"
            PmtInf_nodes['NbOfTxsNode'].text = "1"
            PmtInf_nodes['CtrlSumNode'].text = int_to_decimal_str(
                payment['amount'])
            PmtInf_nodes['Cd_SvcLvl_Node'].text = "SEPA"
            PmtInf_nodes['Cd_LclInstrm_Node'].text = self._config['instrument']
            PmtInf_nodes['SeqTpNode'].text = payment['type']
            PmtInf_nodes['ReqdColltnDtNode'].text = payment['collection_date']
            PmtInf_nodes['Nm_Cdtr_Node'].text = self._config['name']
            PmtInf_nodes['IBAN_CdtrAcct_Node'].text = self._config['IBAN']

            if 'BIC' in self._config:
                PmtInf_nodes['BIC_CdtrAgt_Node'].text = self._config['BIC']
            else:
                PmtInf_nodes['Id_CdtrAgt_Node'].text = "NOTPROVIDED"

            PmtInf_nodes['ChrgBrNode'].text = "SLEV"
            PmtInf_nodes['Id_Othr_Node'].text = self._config['creditor_id']
            PmtInf_nodes['PrtryNode'].text = "SEPA"

        if 'BIC' in payment:
            bic = True
        else:
            bic = False

        TX_nodes = self._create_TX_node(bic)
        TX_nodes['InstdAmtNode'].set("Ccy", self._config['currency'])
        TX_nodes['InstdAmtNode'].text = int_to_decimal_str(payment['amount'])

        TX_nodes['MndtIdNode'].text = payment['mandate_id']
        TX_nodes['DtOfSgntrNode'].text = payment['mandate_date']
        if bic:
            TX_nodes['BIC_DbtrAgt_Node'].text = payment['BIC']
        else:
            TX_nodes['Id_DbtrAgt_Node'].text = "NOTPROVIDED"

        TX_nodes['Nm_Dbtr_Node'].text = payment['name']
        if payment.get('address', {}):
            for d, n in ADDRESS_MAPPING:
                if payment['address'].get(d):
                    n = ET.Element(n)
                    n.text = payment['address'][d]
                    TX_nodes['PstlAdr_Dbtr_Node'].append(n)
            for line in payment['address'].get('lines', []):
                n = ET.Element('AdrLine')
                n.text = line
                TX_nodes['PstlAdr_Dbtr_Node'].append(n)

        TX_nodes['IBAN_DbtrAcct_Node'].text = payment['IBAN']
        TX_nodes['UstrdNode'].text = payment['description']
        if not payment.get('endtoend_id', ''):
            payment['endtoend_id'] = make_id(self._config['name'])
        TX_nodes['EndToEndIdNode'].text = payment['endtoend_id']

        if self._config['batch']:
            self._add_batch(TX_nodes, payment)
        else:
            self._add_non_batch(TX_nodes, PmtInf_nodes)

    def _create_header(self):
        """
        Function to create the GroupHeader (GrpHdr) in the
        CstmrDrctDbtInit Node
        """
        # Retrieve the node to which we will append the group header.
        CstmrDrctDbtInitn_node = self._xml.find('CstmrDrctDbtInitn')

        # Create the header nodes.
        GrpHdr_node = ET.Element("GrpHdr")
        MsgId_node = ET.Element("MsgId")
        CreDtTm_node = ET.Element("CreDtTm")
        NbOfTxs_node = ET.Element("NbOfTxs")
        CtrlSum_node = ET.Element("CtrlSum")
        InitgPty_node = ET.Element("InitgPty")
        Nm_node = ET.Element("Nm")
        SupId_node = ET.Element("Id")
        OrgId_node = ET.Element("OrgId")
        Othr_node = ET.Element("Othr")
        Id_node = ET.Element("Id")

        # Add data to some header nodes.
        MsgId_node.text = self.msg_id
        CreDtTm_node.text = datetime.datetime.now().strftime('%Y-%m-%dT%H:%M:%S')
        Nm_node.text = self._config['name']
        Id_node.text = self._config['creditor_id']

        # Append the nodes
        Othr_node.append(Id_node)
        OrgId_node.append(Othr_node)
        SupId_node.append(OrgId_node)
        InitgPty_node.append(Nm_node)
        InitgPty_node.append(SupId_node)
        GrpHdr_node.append(MsgId_node)
        GrpHdr_node.append(CreDtTm_node)
        GrpHdr_node.append(NbOfTxs_node)
        GrpHdr_node.append(CtrlSum_node)
        GrpHdr_node.append(InitgPty_node)

        # Append the header to its parent
        CstmrDrctDbtInitn_node.append(GrpHdr_node)

    def _create_PmtInf_node(self):
        """
        Method to create the blank payment information nodes as a dict.
        """
        ED = dict()  # ED is element dict
        ED['PmtInfNode'] = ET.Element("PmtInf")
        ED['PmtInfIdNode'] = ET.Element("PmtInfId")
        ED['PmtMtdNode'] = ET.Element("PmtMtd")
        ED['BtchBookgNode'] = ET.Element("BtchBookg")
        ED['NbOfTxsNode'] = ET.Element("NbOfTxs")
        ED['CtrlSumNode'] = ET.Element("CtrlSum")
        ED['PmtTpInfNode'] = ET.Element("PmtTpInf")
        ED['SvcLvlNode'] = ET.Element("SvcLvl")
        ED['Cd_SvcLvl_Node'] = ET.Element("Cd")
        ED['LclInstrmNode'] = ET.Element("LclInstrm")
        ED['Cd_LclInstrm_Node'] = ET.Element("Cd")
        ED['SeqTpNode'] = ET.Element("SeqTp")
        ED['ReqdColltnDtNode'] = ET.Element("ReqdColltnDt")
        ED['CdtrNode'] = ET.Element("Cdtr")
        ED['Nm_Cdtr_Node'] = ET.Element("Nm")
        ED['PstlAdr_Cdtr_Node'] = ET.Element("PstlAdr")
        ED['CdtrAcctNode'] = ET.Element("CdtrAcct")
        ED['Id_CdtrAcct_Node'] = ET.Element("Id")
        ED['IBAN_CdtrAcct_Node'] = ET.Element("IBAN")
        ED['CdtrAgtNode'] = ET.Element("CdtrAgt")
        ED['FinInstnId_CdtrAgt_Node'] = ET.Element("FinInstnId")
        if 'BIC' in self._config:
            ED['BIC_CdtrAgt_Node'] = ET.Element("BIC")
        else:
            ED['Othr_CdtrAgt_Node'] = ET.Element("Othr")
            ED['Id_CdtrAgt_Node'] = ET.Element("Id")
        ED['ChrgBrNode'] = ET.Element("ChrgBr")
        ED['CdtrSchmeIdNode'] = ET.Element("CdtrSchmeId")
        ED['Id_CdtrSchmeId_Node'] = ET.Element("Id")
        ED['PrvtIdNode'] = ET.Element("PrvtId")
        ED['OthrNode'] = ET.Element("Othr")
        ED['Id_Othr_Node'] = ET.Element("Id")
        ED['SchmeNmNode'] = ET.Element("SchmeNm")
        ED['PrtryNode'] = ET.Element("Prtry")
        return ED

    def _create_TX_node(self, bic=True):
        """
        Method to create the blank transaction nodes as a dict. If bic is True,
        the BIC node will also be created.
        """
        ED = dict()
        ED['DrctDbtTxInfNode'] = ET.Element("DrctDbtTxInf")
        ED['PmtIdNode'] = ET.Element("PmtId")
        ED['EndToEndIdNode'] = ET.Element("EndToEndId")
        ED['InstdAmtNode'] = ET.Element("InstdAmt")
        ED['DrctDbtTxNode'] = ET.Element("DrctDbtTx")
        ED['MndtRltdInfNode'] = ET.Element("MndtRltdInf")
        ED['MndtIdNode'] = ET.Element("MndtId")
        ED['DtOfSgntrNode'] = ET.Element("DtOfSgntr")
        ED['DbtrAgtNode'] = ET.Element("DbtrAgt")
        ED['FinInstnId_DbtrAgt_Node'] = ET.Element("FinInstnId")
        if bic:
            ED['BIC_DbtrAgt_Node'] = ET.Element("BIC")
        else:
            ED['Id_DbtrAgt_Node'] = ET.Element("Id")
            ED['Othr_DbtrAgt_Node'] = ET.Element("Othr")
        ED['DbtrNode'] = ET.Element("Dbtr")
        ED['Nm_Dbtr_Node'] = ET.Element("Nm")
        ED['PstlAdr_Dbtr_Node'] = ET.Element("PstlAdr")
        ED['DbtrAcctNode'] = ET.Element("DbtrAcct")
        ED['Id_DbtrAcct_Node'] = ET.Element("Id")
        ED['IBAN_DbtrAcct_Node'] = ET.Element("IBAN")
        ED['RmtInfNode'] = ET.Element("RmtInf")
        ED['UstrdNode'] = ET.Element("Ustrd")
        return ED

    def _add_non_batch(self, TX_nodes, PmtInf_nodes):
        """
        Method to add a transaction as non batch, will fold the transaction
        together with the payment info node and append to the main xml.
        """
        PmtInf_nodes['PmtInfNode'].append(PmtInf_nodes['PmtInfIdNode'])
        PmtInf_nodes['PmtInfNode'].append(PmtInf_nodes['PmtMtdNode'])
        PmtInf_nodes['PmtInfNode'].append(PmtInf_nodes['BtchBookgNode'])
        PmtInf_nodes['PmtInfNode'].append(PmtInf_nodes['NbOfTxsNode'])
        PmtInf_nodes['PmtInfNode'].append(PmtInf_nodes['CtrlSumNode'])

        PmtInf_nodes['SvcLvlNode'].append(PmtInf_nodes['Cd_SvcLvl_Node'])
        PmtInf_nodes['LclInstrmNode'].append(PmtInf_nodes['Cd_LclInstrm_Node'])
        PmtInf_nodes['PmtTpInfNode'].append(PmtInf_nodes['SvcLvlNode'])
        PmtInf_nodes['PmtTpInfNode'].append(PmtInf_nodes['LclInstrmNode'])
        PmtInf_nodes['PmtTpInfNode'].append(PmtInf_nodes['SeqTpNode'])
        PmtInf_nodes['PmtInfNode'].append(PmtInf_nodes['PmtTpInfNode'])
        PmtInf_nodes['PmtInfNode'].append(PmtInf_nodes['ReqdColltnDtNode'])

        PmtInf_nodes['CdtrNode'].append(PmtInf_nodes['Nm_Cdtr_Node'])
        if PmtInf_nodes['PstlAdr_Cdtr_Node']:
            PmtInf_nodes['CdtrNode'].append(PmtInf_nodes['PstlAdr_Cdtr_Node'])
        PmtInf_nodes['PmtInfNode'].append(PmtInf_nodes['CdtrNode'])

        PmtInf_nodes['Id_CdtrAcct_Node'].append(
            PmtInf_nodes['IBAN_CdtrAcct_Node'])
        PmtInf_nodes['CdtrAcctNode'].append(PmtInf_nodes['Id_CdtrAcct_Node'])
        PmtInf_nodes['PmtInfNode'].append(PmtInf_nodes['CdtrAcctNode'])

        if 'BIC' in self._config:
            PmtInf_nodes['FinInstnId_CdtrAgt_Node'].append(
                PmtInf_nodes['BIC_CdtrAgt_Node'])
        else:
            PmtInf_nodes['Othr_CdtrAgt_Node'].append(
                PmtInf_nodes['Id_CdtrAgt_Node'])
            PmtInf_nodes['FinInstnId_CdtrAgt_Node'].append(
                PmtInf_nodes['Othr_CdtrAgt_Node'])

        PmtInf_nodes['CdtrAgtNode'].append(
            PmtInf_nodes['FinInstnId_CdtrAgt_Node'])
        PmtInf_nodes['PmtInfNode'].append(PmtInf_nodes['CdtrAgtNode'])

        PmtInf_nodes['PmtInfNode'].append(PmtInf_nodes['ChrgBrNode'])

        PmtInf_nodes['OthrNode'].append(PmtInf_nodes['Id_Othr_Node'])
        PmtInf_nodes['SchmeNmNode'].append(PmtInf_nodes['PrtryNode'])
        PmtInf_nodes['OthrNode'].append(PmtInf_nodes['SchmeNmNode'])
        PmtInf_nodes['PrvtIdNode'].append(PmtInf_nodes['OthrNode'])
        PmtInf_nodes['Id_CdtrSchmeId_Node'].append(PmtInf_nodes['PrvtIdNode'])
        PmtInf_nodes['CdtrSchmeIdNode'].append(
            PmtInf_nodes['Id_CdtrSchmeId_Node'])
        PmtInf_nodes['PmtInfNode'].append(PmtInf_nodes['CdtrSchmeIdNode'])

        TX_nodes['PmtIdNode'].append(TX_nodes['EndToEndIdNode'])
        TX_nodes['DrctDbtTxInfNode'].append(TX_nodes['PmtIdNode'])
        TX_nodes['DrctDbtTxInfNode'].append(TX_nodes['InstdAmtNode'])

        TX_nodes['MndtRltdInfNode'].append(TX_nodes['MndtIdNode'])
        TX_nodes['MndtRltdInfNode'].append(TX_nodes['DtOfSgntrNode'])
        TX_nodes['DrctDbtTxNode'].append(TX_nodes['MndtRltdInfNode'])
        TX_nodes['DrctDbtTxInfNode'].append(TX_nodes['DrctDbtTxNode'])

        if 'BIC_DbtrAgt_Node' in TX_nodes and TX_nodes['BIC_DbtrAgt_Node'].text is not None:
            TX_nodes['FinInstnId_DbtrAgt_Node'].append(
                TX_nodes['BIC_DbtrAgt_Node'])
        elif self.schema != 'pain.008.001.02' and self.schema != 'pain.008.002.02':
            TX_nodes['Othr_DbtrAgt_Node'].append(
                TX_nodes['Id_DbtrAgt_Node'])
            TX_nodes['FinInstnId_DbtrAgt_Node'].append(
                TX_nodes['Othr_DbtrAgt_Node'])
        TX_nodes['DbtrAgtNode'].append(TX_nodes['FinInstnId_DbtrAgt_Node'])
        TX_nodes['DrctDbtTxInfNode'].append(TX_nodes['DbtrAgtNode'])

        TX_nodes['DbtrNode'].append(TX_nodes['Nm_Dbtr_Node'])
        if TX_nodes['PstlAdr_Dbtr_Node']:
            TX_nodes['DbtrNode'].append(TX_nodes['PstlAdr_Dbtr_Node'])
        TX_nodes['DrctDbtTxInfNode'].append(TX_nodes['DbtrNode'])

        TX_nodes['Id_DbtrAcct_Node'].append(TX_nodes['IBAN_DbtrAcct_Node'])
        TX_nodes['DbtrAcctNode'].append(TX_nodes['Id_DbtrAcct_Node'])
        TX_nodes['DrctDbtTxInfNode'].append(TX_nodes['DbtrAcctNode'])

        TX_nodes['RmtInfNode'].append(TX_nodes['UstrdNode'])
        TX_nodes['DrctDbtTxInfNode'].append(TX_nodes['RmtInfNode'])
        PmtInf_nodes['PmtInfNode'].append(TX_nodes['DrctDbtTxInfNode'])
        CstmrDrctDbtInitn_node = self._xml.find('CstmrDrctDbtInitn')
        CstmrDrctDbtInitn_node.append(PmtInf_nodes['PmtInfNode'])

    def _add_batch(self, TX_nodes, payment):
        """
        Method to add a payment as a batch. The transaction details are already
        present. Will fold the nodes accordingly and the call the
        _add_to_batch_list function to store the batch.
        """
        TX_nodes['PmtIdNode'].append(TX_nodes['EndToEndIdNode'])
        TX_nodes['DrctDbtTxInfNode'].append(TX_nodes['PmtIdNode'])
        TX_nodes['DrctDbtTxInfNode'].append(TX_nodes['InstdAmtNode'])

        TX_nodes['MndtRltdInfNode'].append(TX_nodes['MndtIdNode'])
        TX_nodes['MndtRltdInfNode'].append(TX_nodes['DtOfSgntrNode'])
        TX_nodes['DrctDbtTxNode'].append(TX_nodes['MndtRltdInfNode'])
        TX_nodes['DrctDbtTxInfNode'].append(TX_nodes['DrctDbtTxNode'])

        if 'BIC_DbtrAgt_Node' in TX_nodes and TX_nodes['BIC_DbtrAgt_Node'].text is not None:
            TX_nodes['FinInstnId_DbtrAgt_Node'].append(
                TX_nodes['BIC_DbtrAgt_Node'])
        elif self.schema != 'pain.008.001.02' and self.schema != 'pain.008.002.02':
            TX_nodes['Othr_DbtrAgt_Node'].append(
                TX_nodes['Id_DbtrAgt_Node'])
            TX_nodes['FinInstnId_DbtrAgt_Node'].append(
                TX_nodes['Othr_DbtrAgt_Node'])
        TX_nodes['DbtrAgtNode'].append(TX_nodes['FinInstnId_DbtrAgt_Node'])
        TX_nodes['DrctDbtTxInfNode'].append(TX_nodes['DbtrAgtNode'])

        TX_nodes['DbtrNode'].append(TX_nodes['Nm_Dbtr_Node'])
        if TX_nodes['PstlAdr_Dbtr_Node']:
            TX_nodes['DbtrNode'].append(TX_nodes['PstlAdr_Dbtr_Node'])
        TX_nodes['DrctDbtTxInfNode'].append(TX_nodes['DbtrNode'])

        TX_nodes['Id_DbtrAcct_Node'].append(TX_nodes['IBAN_DbtrAcct_Node'])
        TX_nodes['DbtrAcctNode'].append(TX_nodes['Id_DbtrAcct_Node'])
        TX_nodes['DrctDbtTxInfNode'].append(TX_nodes['DbtrAcctNode'])

        TX_nodes['RmtInfNode'].append(TX_nodes['UstrdNode'])
        TX_nodes['DrctDbtTxInfNode'].append(TX_nodes['RmtInfNode'])
        self._add_to_batch_list(TX_nodes, payment)

    def _add_to_batch_list(self, TX, payment):
        """
        Method to add a transaction to the batch list. The correct batch will
        be determined by the payment dict and the batch will be created if
        not existant. This will also add the payment amount to the respective
        batch total.
        """
        batch_key = payment['type'] + "::" + payment['collection_date']
        if batch_key in self._batches.keys():
            self._batches[batch_key].append(TX['DrctDbtTxInfNode'])
        else:
            self._batches[batch_key] = []
            self._batches[batch_key].append(TX['DrctDbtTxInfNode'])

        if batch_key in self._batch_totals:
            self._batch_totals[batch_key] += payment['amount']
        else:
            self._batch_totals[batch_key] = payment['amount']

    def _finalize_batch(self):
        """
        Method to finalize the batch, this will iterate over the _batches dict
        and create a PmtInf node for each batch. The correct information (from
        the batch_key and batch_totals) will be inserted and the batch
        transaction nodes will be folded. Finally, the batches will be added to
        the main XML.
        """
        for batch_meta, batch_nodes in self._batches.items():
            batch_meta_split = batch_meta.split("::")
            PmtInf_nodes = self._create_PmtInf_node()
            PmtInf_nodes['PmtInfIdNode'].text = make_id(self._config['name'])
            PmtInf_nodes['PmtMtdNode'].text = "DD"
            PmtInf_nodes['BtchBookgNode'].text = "true"
            PmtInf_nodes['Cd_SvcLvl_Node'].text = "SEPA"
            PmtInf_nodes['Cd_LclInstrm_Node'].text = self._config['instrument']
            PmtInf_nodes['SeqTpNode'].text = batch_meta_split[0]
            PmtInf_nodes['ReqdColltnDtNode'].text = batch_meta_split[1]
            PmtInf_nodes['Nm_Cdtr_Node'].text = self._config['name']
            if self._config.get('address', {}):
                for d, n in ADDRESS_MAPPING:
                    if self._config['address'].get(d):
                        n = ET.Element(n)
                        n.text = self._config['address'][d]
                        PmtInf_nodes['PstlAdr_Cdtr_Node'].append(n)
                for line in self._config['address'].get('lines', []):
                    n = ET.Element('AdrLine')
                    n.text = line
                    PmtInf_nodes['PstlAdr_Cdtr_Node'].append(n)
            PmtInf_nodes['IBAN_CdtrAcct_Node'].text = self._config['IBAN']

            if 'BIC' in self._config:
                PmtInf_nodes['BIC_CdtrAgt_Node'].text = self._config['BIC']
            else:
                PmtInf_nodes['Id_CdtrAgt_Node'].text = "NOTPROVIDED"

            PmtInf_nodes['ChrgBrNode'].text = "SLEV"
            PmtInf_nodes['Id_Othr_Node'].text = self._config['creditor_id']
            PmtInf_nodes['PrtryNode'].text = "SEPA"

            PmtInf_nodes['NbOfTxsNode'].text = str(len(batch_nodes))
            PmtInf_nodes['CtrlSumNode'].text = int_to_decimal_str(self._batch_totals[batch_meta])

            PmtInf_nodes['PmtInfNode'].append(PmtInf_nodes['PmtInfIdNode'])
            PmtInf_nodes['PmtInfNode'].append(PmtInf_nodes['PmtMtdNode'])
            PmtInf_nodes['PmtInfNode'].append(PmtInf_nodes['BtchBookgNode'])
            PmtInf_nodes['PmtInfNode'].append(PmtInf_nodes['NbOfTxsNode'])
            PmtInf_nodes['PmtInfNode'].append(PmtInf_nodes['CtrlSumNode'])

            PmtInf_nodes['SvcLvlNode'].append(PmtInf_nodes['Cd_SvcLvl_Node'])
            PmtInf_nodes['LclInstrmNode'].append(
                PmtInf_nodes['Cd_LclInstrm_Node'])
            PmtInf_nodes['PmtTpInfNode'].append(PmtInf_nodes['SvcLvlNode'])
            PmtInf_nodes['PmtTpInfNode'].append(PmtInf_nodes['LclInstrmNode'])
            PmtInf_nodes['PmtTpInfNode'].append(PmtInf_nodes['SeqTpNode'])
            PmtInf_nodes['PmtInfNode'].append(PmtInf_nodes['PmtTpInfNode'])
            PmtInf_nodes['PmtInfNode'].append(PmtInf_nodes['ReqdColltnDtNode'])

            PmtInf_nodes['CdtrNode'].append(PmtInf_nodes['Nm_Cdtr_Node'])
            if PmtInf_nodes['PstlAdr_Cdtr_Node']:
                PmtInf_nodes['CdtrNode'].append(PmtInf_nodes['PstlAdr_Cdtr_Node'])
            PmtInf_nodes['PmtInfNode'].append(PmtInf_nodes['CdtrNode'])

            PmtInf_nodes['Id_CdtrAcct_Node'].append(
                PmtInf_nodes['IBAN_CdtrAcct_Node'])
            PmtInf_nodes['CdtrAcctNode'].append(
                PmtInf_nodes['Id_CdtrAcct_Node'])
            PmtInf_nodes['PmtInfNode'].append(PmtInf_nodes['CdtrAcctNode'])

            if 'BIC' in self._config:
                PmtInf_nodes['FinInstnId_CdtrAgt_Node'].append(
                    PmtInf_nodes['BIC_CdtrAgt_Node'])
            else:
                PmtInf_nodes['Othr_CdtrAgt_Node'].append(
                    PmtInf_nodes['Id_CdtrAgt_Node'])
                PmtInf_nodes['FinInstnId_CdtrAgt_Node'].append(
                    PmtInf_nodes['Othr_CdtrAgt_Node'])

            PmtInf_nodes['CdtrAgtNode'].append(
                PmtInf_nodes['FinInstnId_CdtrAgt_Node'])
            PmtInf_nodes['PmtInfNode'].append(PmtInf_nodes['CdtrAgtNode'])

            PmtInf_nodes['PmtInfNode'].append(PmtInf_nodes['ChrgBrNode'])

            PmtInf_nodes['OthrNode'].append(PmtInf_nodes['Id_Othr_Node'])
            PmtInf_nodes['SchmeNmNode'].append(PmtInf_nodes['PrtryNode'])
            PmtInf_nodes['OthrNode'].append(PmtInf_nodes['SchmeNmNode'])
            PmtInf_nodes['PrvtIdNode'].append(PmtInf_nodes['OthrNode'])
            PmtInf_nodes['Id_CdtrSchmeId_Node'].append(
                PmtInf_nodes['PrvtIdNode'])
            PmtInf_nodes['CdtrSchmeIdNode'].append(
                PmtInf_nodes['Id_CdtrSchmeId_Node'])
            PmtInf_nodes['PmtInfNode'].append(PmtInf_nodes['CdtrSchmeIdNode'])

            for txnode in batch_nodes:
                PmtInf_nodes['PmtInfNode'].append(txnode)

            CstmrDrctDbtInitn_node = self._xml.find('CstmrDrctDbtInitn')
            CstmrDrctDbtInitn_node.append(PmtInf_nodes['PmtInfNode'])