microblog.pub/docs/developer_guide.md

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# Developer's guide
This guide assume you have some knoweldge of [ActivityPub](https://activitypub.rocks/).
[TOC]
## Architecture
Microblog.pub is a "modern" Python application with "old-school" server-rendered templates.
- [Poetry](https://python-poetry.org/) is used for dependency management.
- Most of the code is asynchronous, using [asyncio](https://docs.python.org/3/library/asyncio.html).
- SQLite3 is the default database.
The server has 2 components:
- The web server (powered by [FastAPI](https://fastapi.tiangolo.com/) and [Jinja2](https://jinja.palletsprojects.com/en/3.1.x/) templates)
- An additional process that takes care of sending "outgoing actities"
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### Tasks
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The project uses [Invoke](https://www.pyinvoke.org/) to manage tasks (a Python powered Makefile).
You can find the tasks definition in `tasks.py` and list the tasks using:
```bash
inv -l
```
### Media storage
The uploads are stored in the `data/` directory, using a simple content-addressed storage (file contents hash is the name of the store BLOB).
Files metadata are stored in the database.
## Installation
Running a local version requires:
- Python 3.10+
- SQLite 3.35+
You can follow the [Python developer version of the install instructions](https://docs.microblog.pub/installing.html#python-developer-edition).
## Documentation
The documention is managed as Markdown files in `docs/` and the online documentation is built using a homegrown Python script (`scripts/build_docs.py`).
You can build the documentation locally by running:
```bash
inv build-docs
```
And check out the result by starting a static server using Python standard library:
```bash
cd docs/dist
python -m http.server 8001
```