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Get the DataVersion for a package

Source: R/dataversion.R
data_version.Rd

Retrieves the DataVersion of a package if available

Usage

data_version(pkg, lib.loc = NULL)

Arguments

pkg

character the package name

lib.loc

character path to library location.

Value

Object of class 'package_version' and 'numeric_version' specifying the DataVersion of the package

See also

packageVersion

Examples

if(rmarkdown::pandoc_available()){
f <- tempdir()
f <- file.path(f,"foo.Rmd")
con <- file(f)
writeLines("```{r}\n vec = 1:10 \n```\n",con=con)
close(con)
pname <- basename(tempfile())
datapackage_skeleton(name = pname,
   path=tempdir(),
   force = TRUE,
   r_object_names = "vec",
   code_files = f)

   package_build(file.path(tempdir(),pname), install = FALSE)

   pkgload::load_all(file.path(tempdir(),pname))
   data_version(pname)
}
#> ✔ Creating /tmp/Rtmp11uskJ/file8ed4dd37563/.
#> ✔ Setting active project to "/tmp/Rtmp11uskJ/file8ed4dd37563".
#> ✔ Creating R/.
#> ✔ Writing DESCRIPTION.
#> Package: file8ed4dd37563
#> Title: What the Package Does (One Line, Title Case)
#> Version: 0.0.0.9000
#> Authors@R (parsed):
#>     * First Last <first.last@example.com> [aut, cre]
#> Description: What the package does (one paragraph).
#> License: `use_mit_license()`, `use_gpl3_license()` or friends to
#>     pick a license
#> Encoding: UTF-8
#> Roxygen: list(markdown = TRUE)
#> RoxygenNote: 7.3.2
#> ✔ Writing NAMESPACE.
#> ✔ Setting active project to "/tmp/Rtmp11uskJ/file8ed20243c58".
#> ✔ Setting active project to "/tmp/Rtmp11uskJ/file8ed4dd37563".
#> ✔ Added DataVersion string to 'DESCRIPTION'
#> ✔ Creating data-raw/.
#> ✔ Creating data/.
#> ✔ Creating inst/extdata/.
#> ✔ Copied foo.Rmd into 'data-raw'
#> ✔ configured 'datapackager.yml' file
#> 
#> ✔ 1 data set(s) created by foo.Rmd
#> • vec
#> ☘ Built all datasets!
#> Non-interactive NEWS.md file update.
#> * Added: vec
#> 
#> ✔ Creating vignettes/.
#> ✔ Creating inst/doc/.
#> ℹ Loading file8ed4dd37563
#> Writing NAMESPACE
#> Writing file8ed4dd37563.Rd
#> Writing vec.Rd
#> ── R CMD build ─────────────────────────────────────────────────────────────────
#> * checking for file ‘/tmp/Rtmp11uskJ/file8ed4dd37563/DESCRIPTION’ ... OK
#> * preparing ‘file8ed4dd37563’:
#> * checking DESCRIPTION meta-information ... OK
#> * checking for LF line-endings in source and make files and shell scripts
#> * checking for empty or unneeded directories
#> * looking to see if a ‘data/datalist’ file should be added
#> * building ‘file8ed4dd37563_1.0.tar.gz’
#> 
#> Next Steps 
#> 1. Update your package documentation.
#>    - Edit the documentation.R file in the package sourcedata-rawsubdirectory and update the roxygen markup. 
#>    - Rebuild the package documentation with document(). 
#> 2. Add your package to source control.
#>    - Call git init . in the package source root directory. 
#>    - git add the package files. 
#>    - git commit your new package. 
#>    - Set up a github repository for your pacakge. 
#>    - Add the github repository as a remote of your local package repository. 
#>    - git push your local repository to gitub. 
#> ℹ Loading file8ed4dd37563
#> [1] ‘0.1.0’