mirror of https://github.com/msberends/AMR.git
82 lines
3.7 KiB
R
82 lines
3.7 KiB
R
# get complete filenames of all R files in the GitHub repository of nathaneastwood/poorman
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commit <- "52eb6947e0b4430cd588976ed8820013eddf955f"
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files <- xml2::read_html(paste0("https://github.com/nathaneastwood/poorman/tree/", commit, "/R")) %>%
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rvest::html_nodes("a") %>%
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rvest::html_attr("href")
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# get full URLs of all raw R files
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files <- sort(paste0("https://raw.githubusercontent.com", gsub("blob/", "", files[files %like% "/R/.*.R$"])))
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# remove files with only pkg specific code
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files <- files[files %unlike% "(zzz|init)[.]R$"]
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# also, there's a lot of functions we don't use
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files <- files[files %unlike% "(slice|glimpse|recode|replace_na|coalesce)[.]R$"]
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# add our prepend file, containing info about the source of the data
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intro <- readLines("data-raw/poorman_prepend.R")
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# copyright info:
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copyright <- paste0("# ", readLines("https://raw.githubusercontent.com/nathaneastwood/poorman/master/LICENSE"))
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# read all contents to a character vector
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contents <- character(0)
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sapply(files, function(file) {
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message("reading ", basename(file))
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contents <<- c(contents, readLines(file))
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invisible()
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})
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contents <- c(intro,
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copyright,
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"",
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contents)
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# remove lines starting with "#'" and NULL and write to file
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contents <- contents[!grepl("^(#'|NULL|\"_PACKAGE)", contents)]
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# now make it independent on UseMethod, since we will not export these functions
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contents <- gsub('UseMethod[(]"(.*?)"[)]',
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'if ("grouped_data" %in% class(.data)) {||| \\1.grouped_data(.data, ...)||| } else {||| \\1.default(.data, ...)||| }',
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paste(contents, collapse = "|||"),
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perl = TRUE) %>%
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# add commit to intro part
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gsub("{commit}", commit, ., fixed = TRUE) %>%
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# add date to intro part
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gsub("{date}", format(Sys.Date(), "%e %B %Y"), ., fixed = TRUE) %>%
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strsplit(split = "|||", fixed = TRUE) %>%
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unlist() %>%
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# add "pm_" as prefix to all functions
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gsub("^([a-z_.]+) <- function", "pm_\\1 <- function", .)
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# now get all those pm_* functions to replace all untransformed function name calls as well
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new_pm_names <- sort(gsub("pm_(.*?) <-.*", "\\1", contents[grepl("^pm_", contents)]))
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for (i in seq_len(length(new_pm_names))) {
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contents <- gsub(paste0("([^a-z._])", new_pm_names[i], "([^a-z._])"), paste0("\\1pm_", new_pm_names[i], "\\2"), contents)
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# starting with a space or a straight bracket or an opening parenthesis, ending with nothing or a non-character or a closing parenthesis
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contents <- gsub(paste0("( |\\[|\\()", new_pm_names[i], "($|[^a-z]|\\))"), paste0("\\1pm_", new_pm_names[i], "\\2"), contents)
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}
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# replace %>% with %pm>%
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contents <- gsub("%>%", "%pm>%", contents, fixed = TRUE)
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# fix for new lines, since n() also existed
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contents <- gsub("\\pm_n", "\\n", contents, fixed = TRUE)
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# prefix other functions also with "pm_"
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contents <- gsub("^([a-z_]+)(\\$|)", "pm_\\1\\2", contents)
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# prefix environments
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contents <- gsub("eval_env", "pm_eval_env", contents, fixed = TRUE)
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contents <- gsub("select_env", "pm_select_env", contents, fixed = TRUE)
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contents <- gsub("context", "pm_context", contents, fixed = TRUE)
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# now some items are overprefixed
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contents <- gsub("(pm_)+", "pm_", contents)
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# special case for pm_distinct(), we need '.keep_all' to work
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contents <- gsub("pm_distinct <- function(.data, ..., .keep_all = FALSE)", "pm_distinct <- function(.data, ...)", contents, fixed = TRUE)
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# who needs US spelling?
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contents <- contents[!grepl("summarize", contents)]
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writeLines(contents, "R/aa_helper_pm_functions.R")
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# after this, comment out:
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# pm_left_join() since we use a faster version
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# pm_group_split() since we don't use it and it relies on R 3.5.0 for the use of ...length(), which is hard to support without C++ code
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