astral-sh/uv · error · anyhow::Error

uv does not yet provide musl Python distributions on armv7.

Error message

uv does not yet provide musl Python distributions on armv7.

What it means

Error "uv does not yet provide musl Python distributions on armv7." thrown in astral-sh/uv.

Source

Thrown at crates/uv/src/commands/python/install.rs:78

        let download_request = PythonDownloadRequest::from_request(&request)
            .ok_or_else(|| {
                anyhow::anyhow!(
                    "`{}` is not a valid Python download request; see `uv help python` for supported formats and `uv python list --only-downloads` for available versions",
                    request.to_canonical_string()
                )
            })?
            .fill()?;

        // Find a matching download
        let download = match download_list.find(&download_request) {
            Ok(download) => download,
            Err(downloads::Error::NoDownloadFound(request))
                if request.libc().is_some_and(Libc::is_musl)
                    && request.arch().is_some_and(|arch| {
                        arch.inner() == Arch::from(&uv_platform_tags::Arch::Armv7L)
                    }) =>
            {
                return Err(anyhow::anyhow!(
                    "uv does not yet provide musl Python distributions on armv7."
                ));
            }
            Err(err) => return Err(err.into()),
        };

        Ok(Self {
            request,
            download_request,
            download,
        })
    }

    fn matches_installation(&self, installation: &ManagedPythonInstallation) -> bool {
        self.download_request.satisfied_by_key(installation.key())
    }

    fn python_request(&self) -> &PythonRequest {

View on GitHub (pinned to f1a42680ff)

When it happens

Trigger: Thrown at crates/uv/src/commands/python/install.rs:78 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of astral-sh/uv@f1a42680ff (2026-08-16). Data as JSON: /api/errors/97fa23eb80f41a20. Report an issue: GitHub.