bankline-direct-parser 0.9

Parser for Bankline Direct banking information services

Python module for parsing Natwest/RBS Bankline Direct Data Services files.

Requirements

Only tested on Python 3.10+, but should work on 3.7+.

Installation

pip install bankline-direct-parser

Usage

from bankline_parser.data_services import parse

# from file
with open(filename) as f:
    parsed = parse(f)
    if parsed.is_valid():
        print(parsed.accounts[0].records[0].transaction_code)
    else:
        print(parsed.errors)

# from list of rows
parsed = parse(lines)

Model Layout

DataServicesFile
    VolumeHeaderLabel
    [Account]
        FileHeaderLabel
        UserHeaderLabel
        [DataRecord|BalanceRecord]
        UserTrailerLabel

Development

Please report bugs and open pull requests on GitHub.

To work on changes to this library, it’s recommended to install it in editable mode into a virtual environment, i.e. pip install --editable .

Use python -m tests to run all tests locally. Alternatively, you can use tox if you have multiple python versions.

[Only for GitHub team members] Distribute a new version to PyPI by:

• updating the VERSION tuple in bankline_parser/__init__.py

• adding a note to the History

• publishing a release on GitHub which triggers an upload to PyPI; alternatively, run python -m build; twine upload dist/* locally

History

0.9

Testing on python 3.10 to 3.14. Improve linting and modernise code style. Migrated to trusted publishing.

0.8

Migrated test, build and release processes away from deprecated setuptools commands. No significant library changes.

0.7

Maintenance release, no library changes.

0.2 - 0.6

No significant library changes, other than support for newer versions of python.

0.1

Original release.

Copyright

Copyright (C) 2025 HM Government (Ministry of Justice Digital & Technology). See LICENSE.txt for further details.