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Introduction
Mia! Accounting is an accounting module for Flask applications.
It implements double-entry bookkeeping, and generates the following
accounting reports:
- Trial balance
- Income statement
- Balance sheet
In addition, Mia! Accounting tracks offsets for unpaid payables and
receivables.
You may try the Mia! Accounting live demonstration.
History
I created my own private accounting application in Perl/mod_perl in
2007, as part of my personal website. The first revision was made
using Perl/Mojolicious in 2019, with the aim of making it
mobile-friendly using Bootstrap, and with modern back-end and
front-end technologies such as jQuery.
The second revision was done in Python/Django in 2020, as I was
looking to change my career from PHP/Laravel to Python, but lacked
experience with large Python projects. I wanted to add something new
to my portfolio and decided to work on the somewhat outdated
Mojolicious project.
Despite having no prior experience with Django, I spent two months
working late nights to create the Mia! Account Django application.
It took me another 1.5 months to make it an independent module, which
I later released as an open source project.
The application worked nicely for my household bookkeeping for two
years. However, new demands arose over time, especially with tracking
payables and receivables, which became difficult with credit card
payments. This was critical during the pandemic as more payments
were made online with credit cards.
The biggest issue I encountered was with Django's MVT framework. Due
to my lack of experience with Django during development, I ended up
with mixed function-based view controllers and class-based views. It
became very difficult to track whether problems originated from my
overridden methods or not-overridden methods, or from the Django base
views themselves. I did not fully understand how everything worked.
Therefore, I decided to turn to microframeworks like Flask. After
working with modularized Flask and FastAPI applications for two
years, I returned to the project and wrote its third revision using
Flask in 2023.
Installation
Install Mia! Accounting with pip:
pip install mia-accounting
You may also download the from the PyPI project page or the
release page on the Git repository.
Prerequisites
You need a running Flask application with database user login.
The primary key of the user data model must be integer.
The following front-end JavaScript libraries must be loaded. You may
download it locally or use CDN.
Configuration
You need to pass the Flask app and an implementation of
:py:class:`accounting.utils.user.UserUtilityInterface` to the
:py:func:`accounting.init_app` function. UserUtilityInterface
contains everything Mia! Accounting needs.
System Message: ERROR/3 (<stdin>, line 88); backlink
Unknown interpreted text role "py:class".
System Message: ERROR/3 (<stdin>, line 88); backlink
Unknown interpreted text role "py:func".
See an example in :ref:`example-userutils`.
System Message: ERROR/3 (<stdin>, line 93); backlink
Unknown interpreted text role "ref".
Database Initialization
After the configuration, you need to run
:py:meth:`flask_sqlalchemy.SQLAlchemy.create_all` to create the
database tables that Mia! Accounting uses.
System Message: ERROR/3 (<stdin>, line 99); backlink
Unknown interpreted text role "py:meth".
Mia! Accounting adds three console commands:
- accounting-init-base
- accounting-init-accounts
- accounting-init-currencies
You need to run accounting-init-base first, and then the other
two commands.
% flask --app myapp accounting-init-base
% flask --app myapp accounting-init-accounts
% flask --app myapp accounting-init-currencies
Test Site and Live Demonstration
You may find a working example in the test site in the
source distribution. It is the simplest website that works with
Mia! Accounting. It is used in the automatic tests. It is the same
code run for live demonstration.
If you do not have a running Flask application, you may start with the
test site.
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