Nothing
renv_python_conda_select <- function(name, version = NULL) {
# get python package
version <- version %||% Sys.getenv("RENV_CONDA_PYTHON_VERSION", unset = "3.7")
packages <- paste("python", version, sep = "=")
# handle paths (as opposed to environment names)
if (grepl("[/\\\\]", name)) {
if (!file.exists(name))
return(reticulate::conda_create(envname = name, packages = packages))
return(renv_python_exe(name))
}
# check for an existing conda environment
envs <- reticulate::conda_list()
idx <- which(name == envs$name)
if (length(idx))
return(envs$python[[idx]])
# no environment exists; create it
reticulate::conda_create(envname = name, packages = packages)
}
renv_python_conda_export_path <- function(project) {
# check override
override <- renv_paths_override("CONDA_EXPORT")
if (!is.null(override))
return(override)
# use default
file.path(project, "environment.yml")
}
# TODO: support prompt
renv_python_conda_snapshot <- function(project, prompt, python) {
renv_scope_wd(project)
path <- renv_python_conda_export_path(project = project)
# find the root of the associated conda environment
lockfile <- renv_lockfile_load(project = project)
name <- lockfile$Python$Name %||% renv_python_envpath(project, "conda", version)
python <- renv_python_conda_select(name)
info <- renv_python_info(python)
prefix <- info$root
conda <- reticulate::conda_binary()
args <- c(
"env", "export",
"--prefix", renv_shell_path(prefix),
"--file", renv_shell_path(path)
)
output <- if (renv_tests_running()) FALSE else ""
system2(conda, args, stdout = output, stderr = output)
writef("- Wrote Python packages to '%s'.", renv_path_aliased(path))
return(TRUE)
}
# TODO: support prompt
renv_python_conda_restore <- function(project, prompt, python) {
renv_scope_wd(project)
path <- renv_python_conda_export_path(project = project)
# find the root of the associated conda environment
lockfile <- renv_lockfile_load(project = project)
name <- lockfile$Python$Name %||% renv_python_envpath(project, "conda", version)
python <- renv_python_conda_select(name)
info <- renv_python_info(python)
prefix <- info$root
conda <- reticulate::conda_binary()
cmd <- if (file.exists(prefix)) "update" else "create"
args <- c(
"env", cmd,
"--prefix", renv_shell_path(prefix),
"--file", renv_shell_path(path)
)
output <- if (renv_tests_running()) FALSE else ""
system2(conda, args, stdout = output, stderr = output)
return(TRUE)
}
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