Error 403 when trying to access https://torch-cdn.mlverse.org/

[jonlachmann]

When trying to download the latest lantern version using torch::install_torch() I received a 403 forbidden error. I checked with sites like downforeveryoneorjustme and confirmed it seems to be something general. I am guessing some quota was exceeded or some other misconfiguration may have caused it.

Not sure if this is the best place for it, but I thought I should let you know somewhere.

[dfalbel]

Can you provide the link that is failing? I don't think torch-cdn.mlverse.org has anything in it's root that can be accessed, so it's possible that we're actually generating the wrong link for you.

FWIW torch can possibly generate wrong links, specially if the CUDA version is not supported. We need to throw a better error in this case. Currently it seems it's just a download failure.

[jonlachmann]

This is the full output I get, I tried copying the link to the browser but also got the 403 there.

Warning in utils::download.file(url = url, destfile = destfile) :
  cannot open URL 'https://torch-cdn.mlverse.org/binaries/refs/heads/cran/v0.14.0/latest/lantern-0.14.2%2Bcpu%2Barm64-Darwin.zip': HTTP status was '403 Forbidden'
Warning in file.remove(tmp) :
  cannot remove file '/var/folders/b_/m_tzf_zs50n1712v2trcym6h0000gn/T//RtmpQpPQYA/file738d4ffda3.zip', reason 'No such file or directory'

Error in download_file(url = url, destfile = tmp): ✖ Unable to download from <https://torch-cdn.mlverse.org/binaries/refs/heads/cran/v0.14.0/latest/lantern-0.14.2+cpu+arm64-Darwin.zip>
ℹ Please verify that the URL is not blocked by your firewall. See also <https://torch.mlverse.org/docs/articles/installation.html#file-based-download>
Caused by error in `utils::download.file()`:
! cannot open URL 'https://torch-cdn.mlverse.org/binaries/refs/heads/cran/v0.14.0/latest/lantern-0.14.2+cpu+arm64-Darwin.zip'
Show stack trace

[dfalbel]

There's definitely something wronmg with the URL:

Should be:
https://torch-cdn.mlverse.org/binaries/refs/heads/cran/v0.14.2/latest/lantern-0.14.2%2Bcpu+arm64-Darwin.zip

But it has cran/v0.14.0 in the path
Is this the CRAN version of torch?

[jonlachmann]

It makes sense, what I did was the following:

• Open R, load torch
• Realized I should probably update, called install.packages("torch")
• Tried to immediately run torch::install_torch()

I had 0.14.0 installed before, and installed 0.14.2, so probably a messed up environment caused the invalid URL.

[dfalbel]

Ohh this makes sense because the first part of the URL is hardcoded in the package code and the second time the version appears is actually obtained from the DESCRIPTION file.

[jonlachmann]

I got it to work by restarting a few times and poking around. The 403 confused me as I expected a 404 from a wrong URL. Anyways, thanks for the assistance, and let me know if you need any further details for a fix or anything.