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Give advice about good practices when building R packages. Advice includes functions and syntax to avoid, package structure, code complexity, code formatting, etc.
You can install the release version from CRAN:
install.packages("goodpractice")The development version can be installed from R-universe by enabling
the ropensci-review-tools
r-universe and installing the usual way:
options(repos = c(
ropenscireviewtools = "https://ropensci-review-tools.r-universe.dev",
CRAN = "https://cloud.r-project.org"
))
install.packages("goodpractice")Or the development version can be installed directly from GitHub with:
pak::pak("ropensci-review-tools/goodpractice")library(goodpractice)
gp("<my-package>")library(goodpractice)
# use example package contained in the goodpractice package
pkg_path <- system.file("bad1", package = "goodpractice")
g <- gp(pkg_path)
g#> ── GP badpackage ──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
#>
#> It is good practice to
#>
#> ✖ not use "Depends" in DESCRIPTION, as it can cause name clashes, and poor interaction with other packages. Use "Imports" instead.
#> ✖ omit "Date" in DESCRIPTION. It is not required and it gets invalid quite often. A build date will be added to the package when you perform `R CMD build` on it.
#> ✖ add a "URL" field to DESCRIPTION. It helps users find information about your package online. If your package does not have a homepage, add an URL to GitHub, or the CRAN package package page.
#> ✖ add a "BugReports" field to DESCRIPTION, and point it to a bug tracker. Many online code hosting services provide bug trackers for free, https://github.com, https://gitlab.com, etc.
#> ✖ add a README.md (or README.Rmd) file to the top-level directory. A good README describes what the package does, how to install it, and includes a short example.
#> ✖ add a NEWS.md file to track user-visible changes between releases. See <https://style.tidyverse.org/news.html> for formatting guidance.
#> ✖ use the .R file extension for R scripts, not .r or .q. CRAN requires the uppercase .R extension.
#>
#> 'R/bad_extension.r'
#>
#> ✖ omit trailing semicolons from code lines. They are not needed and most R coding standards forbid them
#>
#> 'R/semicolons.R:4:30'
#> 'R/semicolons.R:5:29'
#> 'R/semicolons.R:9:38'
#>
#> ✖ not import packages as a whole, as this can cause name clashes between the imported packages, especially over time as packages change. Instead, import only the specific functions you need.
#> ✖ fix this R CMD check ERROR: VignetteBuilder package not declared: ‘knitr’ See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’ manual.
#> ───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────# show all available checks
# all_checks()
# run only a specific check
g_url <- gp(pkg_path, checks = "description_url")
g_url#> ── GP badpackage ──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
#>
#> It is good practice to
#>
#> ✖ add a "URL" field to DESCRIPTION. It helps users find information about your package online. If your package does not have a homepage, add an URL to GitHub, or the CRAN package package page.
#> ───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────# which checks were carried out?
checks(g_url)#> [1] "description_url"# which checks failed?
failed_checks(g)#> [1] "no_description_depends"
#> [2] "no_description_date"
#> [3] "description_url"
#> [4] "description_bugreports"
#> [5] "has_readme"
#> [6] "has_news"
#> [7] "r_file_extension"
#> [8] "lintr_semicolon_linter"
#> [9] "no_import_package_as_a_whole"
#> [10] "rcmdcheck_package_dependencies_present"# show the first 5 checks carried out and their results
results(g)[1:5,]#> check passed
#> 1 covr NA
#> 2 cyclocomp TRUE
#> 3 no_description_depends FALSE
#> 4 no_description_date FALSE
#> 5 description_url FALSEWe welcome any and all contributions to this package. See CONTRIBUTING.md for details.
MIT © 2022 Ascent Digital Services UK Limited
All contributions to this project are gratefully acknowledged using
the allcontributors
package following the allcontributors specification.
Contributions of any kind are welcome!
drisso |
joelnitta |
annakrystalli |
sda030 |
etiennebacher |
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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