Call uv from R.
Installation
# install.packages("pak")
pak::pak("uv")Workflow Example
library(uv)
with_temp_project({
# Initialise a uv project in the current directory
uv::init()
# Create a local virtual environment
uv::venv()
# Add a runtime dependency (declares it in pyproject.toml)
uv::add("requests")
# Resolve and lock dependencies
uv::lock()
# Synchronise the environment with the lockfile
uv::sync()
# Run uv commands directly if needed
# same as `uv::version()
uv("--version")
# Run a tool in an ephemeral environment
uvx("pycowsay", "hello from uv")
})
#>
#> ── Initialising Python project
#> ✔ Writing main.py (<file:///tmp/RtmpSg4QMs/uv-project-3671034c59d5ec/main.py>)
#> ✔ Writing pyproject.toml
#> (<file:///tmp/RtmpSg4QMs/uv-project-3671034c59d5ec/pyproject.toml>)
#> ✔ Writing README.md
#> (<file:///tmp/RtmpSg4QMs/uv-project-3671034c59d5ec/README.md>)
#> Using CPython 3.11.13
#> Creating virtual environment at: .venv
#> Activate with: source .venv/bin/activate
#>
#> ── Adding packages
#> ℹ Updating pyproject.toml (<file:///tmp/RtmpSg4QMs/uv-project-3671034c59d5ec/pyproject.toml>)
#> ✔ certifi==2026.1.4
#> ✔ charset-normalizer==3.4.4
#> ✔ idna==3.11
#> ✔ requests==2.32.5
#> ✔ urllib3==2.6.3
#> ! warning: Failed to hardlink files; falling back to full copy. This may lead to degraded performance.
#> ✔ Lockfile updated.
#> Resolved 6 packages in 0.33ms
#> Audited 5 packages in 0.00ms
#> uv 0.7.13 (62ed17b23 2025-06-12)
#>
#> -------------
#> < hello from uv >
#> -------------
#> \ ^__^
#> \ (oo)\_______
#> (__)\ )\/\
#> ||----w |
#> || ||