pacchettino

[Dejan Lekic]

On Wednesday, 4 February 2026 at 21:46:15 UTC, Andrea Fontana 
wrote:
> Hi everyone,
> I’ve put together a small, lightweight library called 
> pacchettino. It’s a simple file-based queue system designed for 
> cases where you need to distribute workloads across multiple 
> threads or processes without the overhead of a full-blown 
> message broker.
>
> The API is designed to be very straightforward.
>
> It’s nothing "groundbreaking" but I found myself rewriting this 
> logic too often, so I decided to package it. If you need a 
> quick way to sync tasks between different D processes via the 
> filesystem, give it a try!
>
> Imagine you have a web server (eg: serverino) where users 
> upload files to be processed (like converting a video or 
> parsing a huge CSV). You don't want to make the user wait while 
> your server does the heavy lifting, and you certainly don't 
> want to lose the file if the process is terminated.
>
> With pacchettino, your web server just drops the file into a 
> "queue" folder and immediately tells the user "we're working on 
> it!". Meanwhile, a separate process (not the server) picks up 
> these files one by one and processes them.
>
> Your web server can still "peek" at the queue to tell the user 
> exactly what’s happening whether the file is still waiting, 
> currently being processed.
>
> Zero-dependencies / process and thread safe / crash recovery / 
> persistent.

Very nice! I like the simplicity! :)