edfh-data 0.9.2

Python library for the E:D Faction Hub application backend data services

edfh-data

Python library for the E:D Faction Hub application backend data services:

• EDDN listener service, receives messages from the EDDN stream and publishes them to a RabbitMQ exchange.
• EDDN handler service, polls message from a RabbitMQ queue, parses them and stores the relevant info in a relational database.

Requirements

• Python 3.13 available in the sytem path.
• Running RabbitMQ and MariaDB instances (the included docker-compose.yaml file can set them up for development).

Configuration

The following configuration variables are defined are defined as environment variables, or, for local development, specified in a .env configuration file:

DB_USER=dbuser
DB_PASSWD=<db_password>
DB_HOST=localhost
DB_PORT=3306
DB_NAME=edfh
RMQ_USER=rmquser
RMQ_PASSWD=<rabbitmq_password>
RMQ_HOST=localhost
RMQ_HANDLER_PREFETCH=10

Usage

Install the package with the eddn extra:

python -m pip install edfh-data[eddn]

Launch the EDDN message handler service with:

eddn-handle

Launch the EDDN listener service with:

eddn-listen

Development

Python environment

Create a virtual environment using Python 3.13:

python3.13 -m venv .venv --prompt edfh-data --upgrade-deps
source .venv/bin/activate

Install the package in development mode along with the development dependencies:

python -m pip install -e .[dev]

Install pre-commit hooks:

pre-commit install

Database service

Migrate the database with:

alembic upgrade head

Generate a new revision:

alembic revision --autogenerate -m "Revision message"