drake (version 6.1.0)

drake_plan_source: Show the code required to produce a given workflow plan data frame

Description

You supply a plan, and drake_plan_source() supplies code to generate that plan. If you have the prettycode package, installed, you also get nice syntax highlighting in the console when you print it.

Usage

drake_plan_source(plan)

Arguments

plan

a workflow plan data frame (see drake_plan())

Value

a character vector of lines of text. This text is a call to drake_plan() that produces the plan you provide.

See Also

drake_plan()

Examples

# NOT RUN {
plan <- drake::drake_plan(
  small_data = download_data("https://some_website.com") %>%
    select_my_columns() %>%
    munge(),
  large_data_raw = target(
    command = download_data("https://lots_of_data.com") %>%
      select_top_columns,
    trigger = trigger(
      change = time_last_modified("https://lots_of_data.com"),
      command = FALSE,
      depend = FALSE
    ),
    timeout = 1e3
  ),
  strings_in_dots = "literals"
)
print(plan)
if (requireNamespace("styler", quietly = TRUE)){
  source <- drake_plan_source(plan)
  print(source) # Install the prettycode package for syntax highlighting.
}
# }
# NOT RUN {
file <- tempfile() # Path to an R script to contain the drake_plan() call.
writeLines(source, file) # Save the code to an R script.
# }