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Merge pull request #237 from olivroy/lubridate
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,210 @@ | ||
| # Taken from tidyverse | ||
| core <- c("xts", "quantmod", "TTR", "PerformanceAnalytics") | ||
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| core_unloaded <- function() { | ||
| search <- paste0("package:", core) | ||
| core[!search %in% search()] | ||
| } | ||
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| # Attach the package from the same package library it was | ||
| # loaded from before. https://github.com/tidyverse/tidyverse/issues/171 | ||
| same_library <- function(pkg) { | ||
| loc <- if (pkg %in% loadedNamespaces()) dirname(getNamespaceInfo(pkg, "path")) | ||
| library(pkg, lib.loc = loc, character.only = TRUE, warn.conflicts = FALSE) | ||
| } | ||
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| tidyquant_attach <- function() { | ||
| to_load <- core_unloaded() | ||
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| suppressPackageStartupMessages( | ||
| lapply(to_load, same_library) | ||
| ) | ||
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| invisible(to_load) | ||
| } | ||
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| tidyquant_attach_message <- function(to_load) { | ||
| if (length(to_load) == 0) { | ||
| return(NULL) | ||
| } | ||
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| header <- cli::rule( | ||
| left = cli::style_bold("Attaching core tidyquant packages"), | ||
| right = paste0("tidyquant ", package_version_h("tidyquant")) | ||
| ) | ||
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| to_load <- sort(to_load) | ||
| versions <- vapply(to_load, package_version_h, character(1)) | ||
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| packages <- paste0( | ||
| cli::col_green(cli::symbol$tick), " ", cli::col_blue(format(to_load)), " ", | ||
| cli::ansi_align(versions, max(cli::ansi_nchar(versions))) | ||
| ) | ||
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| if (length(packages) %% 2 == 1) { | ||
| packages <- append(packages, "") | ||
| } | ||
| col1 <- seq_len(length(packages) / 2) | ||
| info <- paste0(packages[col1], " ", packages[-col1]) | ||
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| paste0(header, "\n", paste(info, collapse = "\n")) | ||
| } | ||
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| package_version_h <- function(pkg) { | ||
| highlight_version(utils::packageVersion(pkg)) | ||
| } | ||
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| highlight_version <- function(x) { | ||
| x <- as.character(x) | ||
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| is_dev <- function(x) { | ||
| x <- suppressWarnings(as.numeric(x)) | ||
| !is.na(x) & x >= 9000 | ||
| } | ||
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| pieces <- strsplit(x, ".", fixed = TRUE) | ||
| pieces <- lapply(pieces, function(x) ifelse(is_dev(x), cli::col_red(x), x)) | ||
| vapply(pieces, paste, collapse = ".", FUN.VALUE = character(1)) | ||
| } | ||
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| #' Conflicts between the tidyquant and other packages | ||
| #' | ||
| #' This function lists all the conflicts between packages in the tidyverse | ||
| #' and other packages that you have loaded. | ||
| #' | ||
| #' There are four conflicts that are deliberately ignored: \code{intersect}, | ||
| #' \code{union}, \code{setequal}, and \code{setdiff} from dplyr. These functions | ||
| #' make the base equivalents generic, so shouldn't negatively affect any | ||
| #' existing code. | ||
| #' | ||
| #' @export | ||
| #' @param only Set this to a character vector to restrict to conflicts only | ||
| #' with these packages. | ||
| #' @examples | ||
| #' tidyquant_conflicts() | ||
| tidyquant_conflicts <- function(only = NULL) { | ||
| envs <- grep("^package:", search(), value = TRUE) | ||
| envs <- purrr::set_names(envs) | ||
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| if (!is.null(only)) { | ||
| only <- union(only, core) | ||
| envs <- envs[names(envs) %in% paste0("package:", only)] | ||
| } | ||
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| objs <- invert(lapply(envs, ls_env)) | ||
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| conflicts <- purrr::keep(objs, ~ length(.x) > 1) | ||
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| tidy_names <- paste0("package:", tidyquant_packages()) | ||
| conflicts <- purrr::keep(conflicts, ~ any(.x %in% tidy_names)) | ||
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| conflict_funs <- purrr::imap(conflicts, confirm_conflict) | ||
| conflict_funs <- purrr::compact(conflict_funs) | ||
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| structure(conflict_funs, class = "tidyquant_conflicts") | ||
| } | ||
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| tidyquant_conflict_message <- function(x) { | ||
| header <- cli::rule( | ||
| left = cli::style_bold("Conflicts"), | ||
| right = "tidyquant_conflicts()" | ||
| ) | ||
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| pkgs <- x %>% purrr::map(~ gsub("^package:", "", .)) | ||
| others <- pkgs %>% purrr::map(`[`, -1) | ||
| other_calls <- purrr::map2_chr( | ||
| others, names(others), | ||
| ~ paste0(cli::col_blue(.x), "::", .y, "()", collapse = ", ") | ||
| ) | ||
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| winner <- pkgs %>% purrr::map_chr(1) | ||
| funs <- format(paste0(cli::col_blue(winner), "::", cli::col_green(paste0(names(x), "()")))) | ||
| bullets <- paste0( | ||
| cli::col_red(cli::symbol$cross), " ", funs, " masks ", other_calls, | ||
| collapse = "\n" | ||
| ) | ||
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| conflicted <- paste0( | ||
| cli::col_cyan(cli::symbol$info), " ", | ||
| cli::format_inline("Use the {.href [conflicted package](http://conflicted.r-lib.org/)} to force all conflicts to become errors" | ||
| )) | ||
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| paste0( | ||
| header, "\n", | ||
| bullets, "\n", | ||
| conflicted | ||
| ) | ||
| } | ||
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| #' @export | ||
| print.tidyquant_conflicts <- function(x, ..., startup = FALSE) { | ||
| cli::cat_line(tidyquant_conflict_message(x)) | ||
| invisible(x) | ||
| } | ||
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| #' @importFrom magrittr %>% | ||
| confirm_conflict <- function(packages, name) { | ||
| # Only look at functions | ||
| objs <- packages %>% | ||
| purrr::map(~ get(name, pos = .)) %>% | ||
| purrr::keep(is.function) | ||
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| if (length(objs) <= 1) | ||
| return() | ||
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| # Remove identical functions | ||
| objs <- objs[!duplicated(objs)] | ||
| packages <- packages[!duplicated(packages)] | ||
| if (length(objs) == 1) | ||
| return() | ||
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| packages | ||
| } | ||
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| ls_env <- function(env) { | ||
| x <- ls(pos = env) | ||
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| # intersect, setdiff, setequal, union come from generics | ||
| if (env %in% c("package:dplyr", "package:lubridate")) { | ||
| x <- setdiff(x, c("intersect", "setdiff", "setequal", "union")) | ||
| } | ||
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| if (env == "package:lubridate") { | ||
| x <- setdiff(x, c( | ||
| "as.difftime", # lubridate makes into an S4 generic | ||
| "date" # matches base behavior | ||
| )) | ||
| } | ||
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| x | ||
| } | ||
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| inform_startup <- function(msg, ...) { | ||
| if (is.null(msg)) { | ||
| return() | ||
| } | ||
| if (isTRUE(getOption("tidyquant.quiet"))) { | ||
| return() | ||
| } | ||
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| rlang::inform(msg, ..., class = "packageStartupMessage") | ||
| } | ||
| tidyquant_packages <- function(include_self = TRUE) { | ||
| raw <- utils::packageDescription("tidyquant")$Imports | ||
| imports <- strsplit(raw, ",")[[1]] | ||
| parsed <- gsub("^\\s+|\\s+$", "", imports) | ||
| names <- vapply(strsplit(parsed, "\\s+"), "[[", 1, FUN.VALUE = character(1)) | ||
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| if (include_self) { | ||
| names <- c(names, "tidyquant") | ||
| } | ||
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| names | ||
| } | ||
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| invert <- function(x) { | ||
| if (length(x) == 0) return() | ||
| stacked <- utils::stack(x) | ||
| tapply(as.character(stacked$ind), stacked$values, list) | ||
| } | ||
|
|
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