Duncan: Thanks -- learning something new today -- quick follow-up, will using the import statements in the NAMESPACE, when a user goes to install.packages(), auto-install the "dependent" packages the same way Depends forces?
--j On Sun, Oct 20, 2013 at 3:49 PM, Duncan Murdoch <murdoch.dun...@gmail.com>wrote: > On 13-10-20 4:43 PM, Jonathan Greenberg wrote: > >> I'm working on an update for my CRAN package "spatial.tools" and I noticed >> a new warning when running R CMD CHECK --as-cran: >> >> * checking CRAN incoming feasibility ... NOTE >> Maintainer: 'Jonathan Asher Greenberg <spatial-to...@estarcion.net>' >> Depends: includes the non-default packages: >> 'sp' 'raster' 'rgdal' 'mmap' 'abind' 'parallel' 'foreach' >> 'doParallel' 'rgeos' >> Adding so many packages to the search path is excessive >> and importing selectively is preferable. >> >> Is this a warning that would need to be fixed pre-CRAN (not really sure >> how, since I need functions from all of those packages)? Is there a way >> to >> import only a single function from a package, if that function is a >> dependency? >> > > You really want to use imports. Those are defined in the NAMESPACE file; > you can import everything from a package if you want, but the best style is > in fact to just import exactly what you need. This is more robust than > using Depends, and it doesn't add so much to the user's search path, so > it's less likely to break something else (e.g. by putting a package on the > path that masks some function the user already had there.) > > Duncan Murdoch > > -- Jonathan A. Greenberg, PhD Assistant Professor Global Environmental Analysis and Remote Sensing (GEARS) Laboratory Department of Geography and Geographic Information Science University of Illinois at Urbana-Champaign 259 Computing Applications Building, MC-150 605 East Springfield Avenue Champaign, IL 61820-6371 Phone: 217-300-1924 http://www.geog.illinois.edu/~jgrn/ AIM: jgrn307, MSN: jgrn...@hotmail.com, Gchat: jgrn307, Skype: jgrn3007 [[alternative HTML version deleted]] ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
