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test_that("Error requesting conflicting package versions", {
local_edition(3)
# dry run before snapshot tests, so download progress updates aren't
# in the snapshot
try(uv_get_or_create_env())
expect_snapshot(r_session(attach_namespace = TRUE, {
py_require("numpy<2")
py_require("numpy>=2")
uv_get_or_create_env()
}))
})
test_that("Setting py_require(python_version) after initializing Python ", {
test_py_require_reset()
local_edition(3)
# dry run to avoid installation messages in snapshot
try(uv_get_or_create_env(c("numpy", "pandas"), "3.11"))
try(uv_get_or_create_env(c("numpy", "pandas", "requests"), "3.11"))
expect_snapshot(r_session({
Sys.unsetenv("RETICULATE_PYTHON")
Sys.setenv("RETICULATE_USE_MANAGED_VENV" = "yes")
# Sys.setenv("RETICULATE_PYTHON"="managed")
pkg_py_require <- function(...) reticulate::py_require(...)
pkg_py_require <- rlang::zap_srcref(pkg_py_require)
environment(pkg_py_require) <- asNamespace("stats")
library(reticulate)
# multiple requests are fine
py_require(python_version = ">=3.9", "pandas")
py_require(python_version = ">=3.8,<3.14")
py_require(python_version = "3.11")
pkg_py_require(packages = c("pandas", "numpy"), python_version = ">=3.10")
# initialize python, ensure packages are there
prefix <- import("sys")$prefix
import("numpy")
import("pandas")
stopifnot(py_version() == "3.11")
# already satisfied requests are no-ops
py_require(python_version = ">=3.9.1")
py_require(python_version = ">=3.8.1,<3.14")
py_require(python_version = "3.11")
pkg_py_require(python_version = ">=3.10")
py_require("numpy")
py_require("pandas")
py_require(c("numpy", "pandas"), action = "set")
py_require(c("notexist"), action = "remove")
try(import("requests"))
# additional packages requests result in a new venv being activated
py_require("requests")
import("requests")
prefix2 <- import("sys")$prefix
stopifnot(prefix != prefix2)
# unsatisfied requests from a package generate a warning
# (it might make sense to narrow this to target just .onLoad() calls)
pkg_py_require(python_version = ">=3.12")
pkg_py_require("pandas", action = "remove")
# unsatisfied requests called from outisde a package error
try(py_require(exclude_newer = "2020-01-01"))
try(py_require(python_version = ">=3.12"))
try(py_require("pandas", action = "remove"))
}))
})
test_that("Error requesting newer package version against an older snapshot", {
session <- r_session(attach_namespace = TRUE, {
uv_get_or_create_env(
packages = "tensorflow==2.18.*",
exclude_newer = "2024-10-20"
)
})
expect_match(session,
"Call `py_require()` to remove or replace conflicting requirements",
fixed = TRUE, all = FALSE
)
expect_true(attr(session, "status", TRUE) != 0L)
})
test_that("Error requesting a package that does not exists", {
local_edition(3)
expect_snapshot(r_session(attach_namespace = TRUE, {
py_require(c("pandas", "numpy", "notexists"))
uv_get_or_create_env()
}))
})
test_that("Error requesting conflicting Python versions", {
local_edition(3)
expect_snapshot(r_session(attach_namespace = TRUE, {
py_require(python_version = ">=3.10")
py_require(python_version = "<3.10")
uv_get_or_create_env()
}))
})
test_that("Simple tests", {
local_edition(3)
expect_snapshot(r_session(attach_namespace = TRUE, {
py_require("pandas")
py_require("numpy==2")
py_require()
}))
expect_snapshot(r_session(attach_namespace = TRUE, {
py_require("pandas")
py_require("numpy==2")
py_require("numpy==2", action = "remove")
py_require()
}))
expect_snapshot(r_session(attach_namespace = TRUE, {
py_require("pandas")
py_require("numpy==2")
py_require("numpy==2", action = "remove")
py_require(exclude_newer = "1990-01-01")
py_require()
}))
expect_snapshot(r_session(attach_namespace = TRUE, {
py_require("pandas")
py_require("numpy==2")
py_require("numpy==2", action = "remove")
py_require(exclude_newer = "1990-01-01")
py_require(python_version = c("<=3.11", ">=3.10"))
py_require()
}))
})
test_that("can bootstrap install uv in reticulate cache", {
# This test needs rethinking. It assumes that uv is not already installed on the users system,
# and fails if it is.
if (Sys.which("uv") != "" || file.exists("~/.local/bin/uv"))
skip("uv installed by user")
local_edition(3)
test_py_require_reset()
uv_exec <- ifelse(is_windows(), "uv.exe", "uv")
target_path <- reticulate_cache_dir("uv", "bin", uv_exec)
expect_equal(
normalizePath(target_path),
normalizePath(uv_binary())
)
})
test_that("Multiple py_require() calls from package are shows in one row", {
local_edition(3)
expect_snapshot(r_session(attach_namespace = TRUE, {
gr_package <- function() {
py_require(paste0("package", 1:20))
py_require(paste0("package", 1:10), action = "remove")
py_require(python_version = c("<=3.11", ">=3.10"))
}
environment(gr_package) <- asNamespace("graphics")
gr_package()
py_require()
}))
})
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