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Python SEPA library

Python library for parsing and building SEPA Direct Debit and SEPA eMandate schemas.

The ultimate goal of this library is to support all ISO 20022 Payments messages, however in practice SEPA only uses a subset of these messages.

Supported messages

  • Cash Management (CAMT)
    • Bank To Customer Account Report v6 (camt.052.001.06)
    • Bank To Customer Statement v6 (camt.053.001.06)
    • Bank To Customer Debit Credit Notification v6 (camt.054.001.06)
    • Account Reporting Request v3 (camt.060.001.03)
  • Payments Initiation (PAIN)
    • Customer Credit Transfer Initiation v8 (pain.001.001.08)
    • Customer Payment Status Report v8 (pain.002.001.08)
    • Customer Payment Reversal v7 (pain.007.001.07)
    • Customer Direct Debit Initiation v7 (pain.008.001.07)
    • Mandate Initiation Request v5 (pain.009.001.05)
    • Mandate Amendment Request v5 (pain.010.001.05)
    • Mandate Cancellation Request v5 (pain.011.001.05)
    • Mandate Acceptance Report v5 (pain.012.001.05)
    • Creditor Payment Activation Request v6 (pain.013.001.06)
    • Creditor Payment Activation Request Status Report v6 (pain.014.001.06)
    • Mandate Copy Request v1 (pain.017.001.01)
    • Mandate Suspension Request v1 (pain.018.001.01)

Usage

Building messages

from sepa import builder

data_in = {
    'group_header': {},
    'mandate': [{
        'id': '78904536',
        'request_id': '9823701',
        'authentication': {
            'date': '2017-03-05',
            'channel': {
                'code': 'ABC'
            }
        }
    }]
}

# Returns an lxml etree object
data_out = builder.build(builder.mandate_initiation_request, data_in)

# Returns a byte string
str_data_out = builder.build_string(builder.mandate_initiation_request, data_in)
print(str_data_out)

Parsing messages

from sepa import parser

data_in = ('<MndtInitnReq>'
    '<GrpHdr></GrpHdr>'
    '<Mndt>'
        '<MndtId>78904536</MndtdId>'
        '<MndtReqId>9823701</MndtReqId>'
        '<Authntcn>'
            '<Dt>2017-03-05</Dt>'
            '<Chanl><Cd>ABC</Cd></Chanl>'
        '</Authntcn>'
    '</Mndt>'
'</MndtInitnReq>')

data_out = parser.parse_string(parser.mandate_initiation_request, data_in)
print(data_out)

Verifying messages

This feature is still work in progress.

Signing messages

This feature is still work in progress.