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#' @title Target formats
#' @name tar_formats
#' @family Formats
#' @description Target archetypes for specialized storage formats.
#' @details These functions are shorthand for targets with specialized
#' storage formats. For example, `tar_qs(name, fun())` is equivalent to
#' `tar_target(name, fun(), format = "qs")`.
#' For details on specialized storage formats, open the help file of the
#' `targets::tar_target()` function and read about the `format` argument.
#' @return A `tar_target()` object with the eponymous storage format.
#' See the "Target objects" section for background.
#' @inheritSection tar_map Target objects
#' @inheritParams targets::tar_target
#' @examples
#' if (identical(Sys.getenv("TAR_LONG_EXAMPLES"), "true")) {
#' targets::tar_dir({ # tar_dir() runs code from a temporary directory.
#' targets::tar_script(
#' list(
#' tarchetypes::tar_rds(x, 1)
#' )
#' )
#' targets::tar_make()
#' })
#' }
NULL
tar_format_alias <- function(format) {
out <- tar_format_api
body(out) <- substitute({
name <- targets::tar_deparse_language(substitute(name))
envir <- tar_option_get("envir")
command <- targets::tar_tidy_eval(
as.expression(substitute(command)),
envir,
tidy_eval
)
pattern <- targets::tar_tidy_eval(
as.expression(substitute(pattern)),
envir,
tidy_eval
)
targets::tar_target_raw(
name = name,
command = command,
pattern = pattern,
packages = packages,
library = library,
format = format,
repository = repository,
iteration = iteration,
error = error,
memory = memory,
garbage_collection = garbage_collection,
deployment = deployment,
priority = priority,
resources = resources,
storage = storage,
retrieval = retrieval,
cue = cue
)
}, env = list(format = format))
out
}
tar_format_api <- function(
name,
command,
pattern = NULL,
tidy_eval = targets::tar_option_get("tidy_eval"),
packages = targets::tar_option_get("packages"),
library = targets::tar_option_get("library"),
repository = targets::tar_option_get("repository"),
iteration = targets::tar_option_get("iteration"),
error = targets::tar_option_get("error"),
memory = targets::tar_option_get("memory"),
garbage_collection = targets::tar_option_get("garbage_collection"),
deployment = targets::tar_option_get("deployment"),
priority = targets::tar_option_get("priority"),
resources = targets::tar_option_get("resources"),
storage = targets::tar_option_get("storage"),
retrieval = targets::tar_option_get("retrieval"),
cue = targets::tar_option_get("cue")
) {
}
#' @export
#' @rdname tar_formats
tar_url <- tar_format_alias("url")
#' @export
#' @rdname tar_formats
tar_file <- tar_format_alias("file")
#' @export
#' @rdname tar_formats
tar_file_fast <- tar_format_alias("file_fast")
#' @export
#' @rdname tar_formats
tar_rds <- tar_format_alias("rds")
#' @export
#' @rdname tar_formats
tar_qs <- tar_format_alias("qs")
#' @export
#' @rdname tar_formats
tar_keras <- tar_format_alias("keras")
#' @export
#' @rdname tar_formats
tar_torch <- tar_format_alias("torch")
#' @export
#' @rdname tar_formats
tar_format_feather <- tar_format_alias("feather")
#' @export
#' @rdname tar_formats
tar_parquet <- tar_format_alias("parquet")
#' @export
#' @rdname tar_formats
tar_fst <- tar_format_alias("fst")
#' @export
#' @rdname tar_formats
tar_fst_dt <- tar_format_alias("fst_dt")
#' @export
#' @rdname tar_formats
tar_fst_tbl <- tar_format_alias("fst_tbl")
#' @export
#' @rdname tar_formats
tar_aws_file <- tar_format_alias("aws_file")
#' @export
#' @rdname tar_formats
tar_aws_rds <- tar_format_alias("aws_rds")
#' @export
#' @rdname tar_formats
tar_aws_qs <- tar_format_alias("aws_qs")
#' @export
#' @rdname tar_formats
tar_aws_keras <- tar_format_alias("aws_keras")
#' @export
#' @rdname tar_formats
tar_aws_torch <- tar_format_alias("aws_torch")
#' @export
#' @rdname tar_formats
tar_format_aws_feather <- tar_format_alias("aws_feather")
#' @export
#' @rdname tar_formats
tar_aws_parquet <- tar_format_alias("aws_parquet")
#' @export
#' @rdname tar_formats
tar_aws_fst <- tar_format_alias("aws_fst")
#' @export
#' @rdname tar_formats
tar_aws_fst_dt <- tar_format_alias("aws_fst_dt")
#' @export
#' @rdname tar_formats
tar_aws_fst_tbl <- tar_format_alias("aws_fst_tbl")
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