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https://github.com/siddhantgoel/beancount-n26

Beancount Importers for N26 CSV Exports
https://github.com/siddhantgoel/beancount-n26

accounting banking beancount finance germany n26 personal-finance plaintext-accounting python python3

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Beancount Importers for N26 CSV Exports

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# Beancount N26 Importer

[![image](https://github.com/siddhantgoel/beancount-n26/workflows/beancount-n26/badge.svg)](https://github.com/siddhantgoel/beancount-n26/workflows/beancount-n26/badge.svg)
[![image](https://img.shields.io/pypi/v/beancount-n26.svg)](https://pypi.python.org/pypi/beancount-n26)
[![image](https://img.shields.io/pypi/pyversions/beancount-n26.svg)](https://pypi.python.org/pypi/beancount-n26)
[![Ruff](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/v2.json)](https://github.com/astral-sh/ruff)

`beancount-n26` provides a [Beancount] Importer for converting CSV exports of
[N26] account summaries to the Beancount format.

## Installation

```sh
$ pip install beancount-n26
```

In case you prefer installing from the Github repository, please note that `main` is the
development branch so `stable` is what you should be installing from.

## Usage

### Beancount 3.x

Beancount 3.x has replaced the `config.py` file based workflow in favor of having a
script based workflow, as per the [changes documented here]. The `beangulp` examples
suggest using a Python script based on `beangulp.Ingest`. Here's an example of how that
might work:

Add an `import.py` script in your project root with the following contents:

```python
from beancount_n26 import N26Importer
from beangulp import Ingest

importers = (
N26Importer(
IBAN_NUMBER,
'Assets:N26',
language='en',
file_encoding='utf-8',
),
)

if __name__ == "__main__":
ingest = Ingest(importer)
ingest()
```

... and run it directly using `python import.py extract`.

### Beancount 2.x

Add the following to your `config.py`.

```python
from beancount_n26 import N26Importer

CONFIG = [
N26Importer(
IBAN_NUMBER,
'Assets:N26',
language='en',
file_encoding='utf-8',
),
]
```

### Classification

To classify specific recurring transactions automatically, you can specify an
`account_patterns` parameter. The key should be the account name and the items in the
list are regular expressions that should match a `payee`.

A few helper functions have been provided in
`beancount_n26/utils/patterns_generation.py` to help you generate this dictionnary.

#### Beancount 3.x

```python
from beancount_n26 import N26Importer
from beangulp import Ingest

importers = (
N26Importer(
IBAN_NUMBER,
'Assets:N26',
account_patterns={"Expenses:Supermarket": ["REWE", "ALDI"]}
),
)

if __name__ == "__main__":
ingest = Ingest(importer)
ingest()
```

#### Beancount 2.x

```python
from beancount_n26 import N26Importer

CONFIG = [
N26Importer(
...
account_patterns={"Expenses:Supermarket": ["REWE", "ALDI"]}
),
]
```

## Contributing

Please make sure you have Python 3.9+ and [Poetry] installed.

1. Git clone the repository -
`git clone https://github.com/siddhantgoel/beancount-n26`

2. Install the packages required for development -
`poetry install`

3. That's basically it. You should now be able to run the test suite -
`poetry run task test`.

[Beancount]: http://furius.ca/beancount/
[N26]: https://n26.com/
[Poetry]: https://python-poetry.org/
[changes documented here]: https://docs.google.com/document/d/1O42HgYQBQEna6YpobTqszSgTGnbRX7RdjmzR2xumfjs/edit#heading=h.hjzt0c6v8pfs