I made a video about copyparty, the selfhosted fileserver I’ve been making for the past 5 years.
The main focus of the video is the features, but it also touches upon configuration. Was hoping it would be easier to follow than the readme on github… not sure how well that went, but hey :D
This video is also available to watch on the copyparty demo server, as a high-quality AV1 file and a lower-quality h264.
You made this on your phone on the bus ride to and from work.
I cleaned the cat box yesterday and considered that an accomplishment.
Fuck.
Congrats on the cat box cleaning!
Clearly a labour of love 👍
Maybe support for some music streaming apps (subsonic?) would be cool?
That’s a neat idea – I’ve heard that a lot of stuff uses the subsonic API under the hood, so I’ll see what it would take to become compatible with that. At first glance it looks like I’d have to mine and index way more information about audio files, but could still be doable :>
Your readme looks super in depth, thanks for that! I haven’t watched the video yet but will later.
I didn’t see it mentioned from a quick glance, but is either sftp or ftps supported?
SFTP is not currently on the roadmap, but it’s not entirely implausible.
FTPS is supported, but it requires an optional dependency to be installed (pyopenssl), so it’s not available in the Windows EXE. And I just realized that the dependency is currently not present inside the docker images either, so I’ll get that fixed right away.
I’m properly in awe at this project. Not only does it support a wide range of protocols and runs practically everywhere, but it can play audio, video, display images and has keyboard shortcut support ???
It’s got everything I could think about and so much more.
I can’t wait to try it out !
Thank you so much for your time and for making this open source.
Elderly raspberry pi B [✓]
Large portable drive gathering dust [✓]
Guess I’m setting up a locally hosted file server in the near future.
Is there a way to help translate the UI.
I would like to help translate it into Danish.
Did you hear anything about translations? I’d also be down to help translate.
Would also be willing to help translate the UI.
Hey fellow scener, cool project!
Just a few thoughts/questions:
- BTRFS and ZFS support real deduplication via copy on write, and would eliminate all current disadvantages of symlink and hardlink deduplication. It just works.
- Why have it be one huge python source file? This is a serious code smell imo, and something you really should avoid doing as this can be a major maintenance burden.
BTRFS and ZFS support real deduplication via copy on write, and would eliminate all current disadvantages of symlink and hardlink deduplication. It just works.
yeah that’s a good point, I’ll add an option to take advantage of this if you know you’re running on a filesystem where that works as intended.
Why have it be one huge python source file?
oh don’t worry, it’s all separate files during development – there’s a build-stage which bundles everything up into a single file for distribution. But thanks for the concern :D
What do you use to bundle into one file?
copyparty-sfx.pyis a custom packer (see this reply) created by make-sfx.sh, andcopyparty.pyzis a standard zipapp, created by make-pyz.sh. The zipapp has more disadvantages than thesfx.py, so that’s the default/recommended build.
Ah, so you have compiled it into one file? Didn’t know that was possible for python, what tool do you use for this?
sooo this is one of the things that started with someone saying “wouldn’t it be funny if…”
if you open copyparty-sfx.py in a text editor, you’ll see how – but please make sure to use an editor which is able to handle about 600 KiB of comments which contain invalid utf8 / binary garbage 😁
I ended up rolling my own packer since I wanted optimal encoding efficiency, and everything I could find would do stuff like base85 or ucs2 tricks, but it turns out python is perfectly happy with binary garbage in comments if you declare that the file is
latin-1so it realizes all hope is lost :Dthe only drawback of the sfx.py is that it needs to extract to $TEMP before running, so that’s the slight advantage of the zipapp (the .pyz alternative), but that suffers from some performance reduction in return, and is more hermetic (doesn’t let you swap out the bundled dependencies with fresh versions as easily if necessary)
Put out some in-depth docker instructions and this will be common use in a month. Good work.
The fact you mention security features, without ever saying it’s ‘super secure’ tells me you know a lot about what you’re doing. I’m so sick of apps like this that start with “most secure app on the net” but you know they’re delusional. Thank you, going to check this out.
you even mention ladybird as browser, nice 😎
it’s such an impressive project! Amazing what they’ve accomplished in so little time, and so important too – we need as many options as we can get.
Oh my god, this seems really good and closer to what I want than anything yet. Been looking for something to replace Nextcloud and found nothing good so I might take a look at this.
I would probably remove python 2 support, it was end of life when the project was started.
As long as it’s not causing any issues or drawbacks for modern python versions (and it isn’t), I don’t see any reason to do that – on the contrary, I know people are running copyparty on retro equipment, so I’d very much prefer to keep it for as long as possible :>
Everyone loves CP. Tell all your friends about CP.
Every single time I have seen one of your comments, you have disappointed me


I have a question, and I want to emphasise thar this is not criticism but a request for dive into technicalities.
In the video you mentioned copyparty has an one-way sync tool. Is there a good reason why it’s not two-way, or is this just something you weren’t motivated to do?
No worries, good question :>
The problem with bidirectional filesync is that it’s an absolutely massive can of worms, very easy to mess up, and the consequences of messing up are usually the worst kind (loss of data). There’s an insane amount of edgecases to keep in mind, and you need to get every edgecase right every single time, otherwise you might wipe someone’s vacation photos, or suddenly downgrade someone’s keepass database to an older version… And stuff like syncing multiple devices to the same server makes it balloon further.
I’ve started becoming more confident in copyparty’s filesystem-index database, but it’s still just a hint/guideline, with the filesystem being the only source of truth – it’s still not something I’d trust with tracking sync-state against one or more clients.
The bigger guys who offer bidirectional sync (nextcloud, syncthing, etc.) have spent years perfecting their logic, so I’d like to leave this in their capable hands.
Can we have Gopher support?
I was thinking of that!! But then I realized that even Firefox removed gopher support by now, so the joke was dead on arrival :P
Firefox isn’t that great for FTP either. Gopher still exists :-) and I’d love to use it even more.







