sepa 0.3.0

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

# Python SEPA library

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

## Supported messages
- [ ] 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)
- [x] Customer Direct Debit Initiation v7 (pain.008.001.07)
- [x] Mandate Initiation Request v5 (pain.009.001.05)
- [x] Mandate Amendment Request v5 (pain.010.001.05)
- [x] 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
```python
from sepa import builder

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

data_out = builder.build_string(builder.mandate_initation_request, data_in)
print(data_out)
```

### Parsing messages
```python
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_initation_request, data_in)
print(data_out)
```