Dfo update final

DESCRIPTION

@@ -9,15 +9,19 @@ Description: Provides functions for learning about your R libraries, and the
 License: MIT + file LICENSE
 Encoding: UTF-8
 Roxygen: list(markdown = TRUE)
-RoxygenNote: 7.2.3
+RoxygenNote: 7.3.2
 URL: https://github.com/ateucher/libminer, http://andyteucher.ca/libminer/
 BugReports: https://github.com/ateucher/libminer/issues
+Depends: R (>= 4.1)
 Suggests: 
     knitr,
     rmarkdown,
     testthat (>= 3.0.0)
 Config/testthat/edition: 3
 Imports: 
+    cli,
+    dplyr,
     fs,
-    purrr
+    purrr,
+    rlang
 VignetteBuilder: knitr

NAMESPACE

@@ -1,4 +1,6 @@
 # Generated by roxygen2: do not edit by hand
 
+export(lib)
 export(lib_summary)
 importFrom(purrr,map_dbl)
+importFrom(rlang,.data)

R/lib-summary.R

@@ -2,6 +2,8 @@
 #'
 #' Provides a brief summary of the package libraries on your machine
 #'
+#' @param ... Grouping variables for the summary. Zero or more of the column
+#'  names from [lib()].
 #' @param sizes Should the sizes of the libraries be calculated?
 #'   Logical; default `FALSE`.
 #'
@@ -12,18 +14,48 @@
 #' @examples
 #' lib_summary()
 #' lib_summary(sizes = TRUE)
-lib_summary <- function(sizes = FALSE) {
-  pkgs <- utils::installed.packages()
-  pkg_tbl <- table(pkgs[, "LibPath"])
-  pkg_df <- as.data.frame(pkg_tbl, stringsAsFactors = FALSE)
-  names(pkg_df) <- c("Library", "n_packages")
+lib_summary <- function(..., sizes = FALSE) {
+  if (!is.logical(sizes)) {
+    cli::cli_abort("You supplied {.val {sizes}} to {.var sizes}. It should be a {.cls logical} value, not {.obj_type_friendly {sizes}}.")
+  }
 
-  if (sizes) {
-    pkg_df$lib_size <- map_dbl(
-      pkg_df$Library,
-      ~ sum(fs::file_size(fs::dir_ls(.x, recurse = TRUE))),
+  lib() |>
+    calculate_sizes(do_calc = sizes) |>
+    dplyr::group_by(...) |>
+    dplyr::summarise(
+      n = dplyr::n(),
+      dplyr::across(dplyr::any_of("size"), sum),
+      .groups = "drop"
     )
-  }
+}
+
+#' calculate sizes
+#'
+#' @param df a data.frame
+#' @param do_calc should the sizes be calculated? If `FALSE`, `df` is
+#'  returned unaltered.
+#'
+#' @return df with a lib_size column
+#' @noRd
+calculate_sizes <- function(df, do_calc) {
+  if (!isTRUE(do_calc)) return(df)
 
-  pkg_df
+  cli::cli_inform(c("i" = "Calculating sizes..."))
+
+  df |>
+    dplyr::mutate(
+      size = purrr::map_dbl(
+        fs::path(.data$LibPath, .data$Package),
+        \(x) sum(fs::file_size(fs::dir_ls(x, recurse = TRUE)))
+      )
+    )
+}
+
+#' Generate a tible of installed packages
+#'
+#' @return a tibble of all packages installed on a system
+#' @export
+lib <- function() {
+  utils::installed.packages() |>
+    dplyr::as_tibble()
 }

R/libminer-package.R

@@ -3,5 +3,6 @@
 
 ## usethis namespace: start
 #' @importFrom purrr map_dbl
+#' @importFrom rlang .data
 ## usethis namespace: end
 NULL

README.Rmd

@@ -33,12 +33,25 @@ devtools::install_github("ateucher/libminer")
 
 ## Example usage
 
-To get a count of installed packages in each of your library locations, 
-optionally with the total sizes, use the `lib_summary()` function:
 
-```{r example}
+To get a nicely formatted tibble of your installed packages, use the `lib()`
+function:
+
+```{r}
 library(libminer)
-lib_summary()
-# specify `sizes = TRUE` to calculate the total size on disk of your packages
-lib_summary(sizes = TRUE)
+lib()
+```
+
+
+To get a count of installed packages, grouped by any combination of variables
+in the `lib()` data.frame, optionally with the total sizes, use the `lib_summary()` function:
+
+```{r example}
+lib_summary(LibPath, License)
+```
+
+Specify `sizes = TRUE` to calculate the total size on disk of your packages
+
+```{r}
+lib_summary(LibPath, NeedsCompilation, sizes = TRUE)
 ```

README.md

@@ -24,28 +24,67 @@ devtools::install_github("ateucher/libminer")
 
 ## Example usage
 
-To get a count of installed packages in each of your library locations,
-optionally with the total sizes, use the `lib_summary()` function:
+To get a nicely formatted tibble of your installed packages, use the
+`lib()` function:
 
 ``` r
 library(libminer)
-lib_summary()
-#>                                                                                         Library
-#> 1                          /Library/Frameworks/R.framework/Versions/4.3-arm64/Resources/library
-#> 2 /private/var/folders/_f/n9fw7ctx3fqf2ty9ylw502g80000gn/T/RtmpTxIv1Z/temp_libpath17e8111f3ca5d
-#> 3                                                       /Users/andy/Library/R/arm64/4.3/library
-#>   n_packages
-#> 1         29
-#> 2          1
-#> 3        191
-# specify `sizes = TRUE` to calculate the total size on disk of your packages
-lib_summary(sizes = TRUE)
-#>                                                                                         Library
-#> 1                          /Library/Frameworks/R.framework/Versions/4.3-arm64/Resources/library
-#> 2 /private/var/folders/_f/n9fw7ctx3fqf2ty9ylw502g80000gn/T/RtmpTxIv1Z/temp_libpath17e8111f3ca5d
-#> 3                                                       /Users/andy/Library/R/arm64/4.3/library
-#>   n_packages   lib_size
-#> 1         29   71351828
-#> 2          1      14402
-#> 3        191 1164955163
+lib()
+#> # A tibble: 406 × 16
+#>    Package  LibPath Version Priority Depends Imports LinkingTo Suggests Enhances
+#>    <chr>    <chr>   <chr>   <chr>    <chr>   <chr>   <chr>     <chr>    <chr>   
+#>  1 libminer /priva… 0.0.0.… <NA>     R (>= … "cli,\… <NA>      "knitr,… <NA>    
+#>  2 abind    /Users… 1.4-8   <NA>     R (>= … "metho… <NA>       <NA>    <NA>    
+#>  3 anytime  /Users… 0.3.9   <NA>     R (>= … "Rcpp … Rcpp (>=… "tinyte… <NA>    
+#>  4 arrow    /Users… 17.0.0… <NA>     R (>= … "asser… cpp11 (>… "blob, … <NA>    
+#>  5 askpass  /Users… 1.2.1   <NA>     <NA>    "sys (… <NA>      "testth… <NA>    
+#>  6 assertt… /Users… 0.2.1   <NA>     <NA>    "tools" <NA>      "testth… <NA>    
+#>  7 backpor… /Users… 1.5.0   <NA>     R (>= …  <NA>   <NA>       <NA>    <NA>    
+#>  8 base64e… /Users… 0.1-3   <NA>     R (>= …  <NA>   <NA>       <NA>    png     
+#>  9 bayespl… /Users… 1.11.1  <NA>     R (>= … "dplyr… <NA>      "ggfort… <NA>    
+#> 10 bccamtr… /Users… 0.0.0.… <NA>     R (>= … "bcmap… <NA>      "DBI,\n… <NA>    
+#> # ℹ 396 more rows
+#> # ℹ 7 more variables: License <chr>, License_is_FOSS <chr>,
+#> #   License_restricts_use <chr>, OS_type <chr>, MD5sum <chr>,
+#> #   NeedsCompilation <chr>, Built <chr>
+```
+
+To get a count of installed packages, grouped by any combination of
+variables in the `lib()` data.frame, optionally with the total sizes,
+use the `lib_summary()` function:
+
+``` r
+lib_summary(LibPath, License)
+#> # A tibble: 42 × 3
+#>    LibPath                                                         License     n
+#>    <chr>                                                           <chr>   <int>
+#>  1 /Library/Frameworks/R.framework/Versions/4.4-arm64/Resources/l… GPL         1
+#>  2 /Library/Frameworks/R.framework/Versions/4.4-arm64/Resources/l… GPL (>…     5
+#>  3 /Library/Frameworks/R.framework/Versions/4.4-arm64/Resources/l… GPL (>…     1
+#>  4 /Library/Frameworks/R.framework/Versions/4.4-arm64/Resources/l… GPL-2 …     5
+#>  5 /Library/Frameworks/R.framework/Versions/4.4-arm64/Resources/l… LGPL (…     1
+#>  6 /Library/Frameworks/R.framework/Versions/4.4-arm64/Resources/l… Part o…    14
+#>  7 /Library/Frameworks/R.framework/Versions/4.4-arm64/Resources/l… Unlimi…     2
+#>  8 /Users/andy/Library/R/arm64/4.4/library                         Apache…     1
+#>  9 /Users/andy/Library/R/arm64/4.4/library                         Apache…     2
+#> 10 /Users/andy/Library/R/arm64/4.4/library                         Apache…     5
+#> # ℹ 32 more rows
+```
+
+Specify `sizes = TRUE` to calculate the total size on disk of your
+packages
+
+``` r
+lib_summary(LibPath, NeedsCompilation, sizes = TRUE)
+#> ℹ Calculating sizes...
+#> # A tibble: 7 × 4
+#>   LibPath                                          NeedsCompilation     n   size
+#>   <chr>                                            <chr>            <int>  <dbl>
+#> 1 /Library/Frameworks/R.framework/Versions/4.4-ar… no                   2 8.81e5
+#> 2 /Library/Frameworks/R.framework/Versions/4.4-ar… yes                 23 6.14e7
+#> 3 /Library/Frameworks/R.framework/Versions/4.4-ar… <NA>                 4 4.70e6
+#> 4 /Users/andy/Library/R/arm64/4.4/library          no                 216 3.23e8
+#> 5 /Users/andy/Library/R/arm64/4.4/library          yes                158 1.84e9
+#> 6 /Users/andy/Library/R/arm64/4.4/library          <NA>                 2 3.70e6
+#> 7 /private/var/folders/_f/n9fw7ctx3fqf2ty9ylw502g… <NA>                 1 1.79e4
 ```

tests/testthat/_snaps/lib-summary.md

@@ -0,0 +1,16 @@
+# lib_summary fails appropriately
+
+    Code
+      lib_summary(sizes = "foo")
+    Condition
+      Error in `lib_summary()`:
+      ! You supplied "foo" to `sizes`. It should be a <logical> value, not a string.
+
+---
+
+    Code
+      lib_summary(sizes = 12)
+    Condition
+      Error in `lib_summary()`:
+      ! You supplied 12 to `sizes`. It should be a <logical> value, not a number.
+

tests/testthat/test-lib-summary.R

@@ -1,18 +1,21 @@
-test_that("lib_summary returns expected results", {
+test_that("lib_summary returns expected results with defaults", {
   res <- lib_summary()
   expect_s3_class(res, "data.frame")
-  expect_equal(ncol(res), 2)
-  expect_equal(names(res), c("Library", "n_packages"))
-  expect_type(res$Library, "character")
-  expect_type(res$n_packages, "integer")
+  expect_equal(ncol(res), 1)
+  expect_equal(names(res), "n")
+  expect_type(res$n, "integer")
 })
 
-test_that("lib_summary fails appropriately", {
-  expect_error(lib_summary(sizes = "foo"), "not interpretable as logical")
+test_that("lib_summary returns expected results with defaults", {
+  res <- lib_summary(LibPath, License, sizes = TRUE)
+  expect_s3_class(res, "data.frame")
+  expect_equal(ncol(res), 4)
+  expect_equal(names(res), c("LibPath", "License", "n", "size"))
+  expect_type(res$n, "integer")
+  expect_type(res$size, "double")
 })
 
-test_that("sizes argument works", {
-  res <- lib_summary(sizes = TRUE)
-  expect_equal(names(res), c("Library", "n_packages", "lib_size"))
-  expect_type(res$lib_size, "double")
+test_that("lib_summary fails appropriately", {
+  expect_snapshot(lib_summary(sizes = "foo"), error = TRUE)
+  expect_snapshot(lib_summary(sizes = 12), error = TRUE)
 })