a.R

## In https://github.com/rstudio/htmltools/blob/master/R/html_print.R#L41
## html_print doesn't have an option on how and where to write the html
## it always creates anothe temporary directory and writes the HTML there
## This bypasses that with an uglry recursive copy ...

options(rbokehViewDir = tempfile("rbokehviz"))
if(!file.exists(getOption("rbokehViewDir")))
    dir.create(getOption("rbokehViewDir"))

options(viewer         = (function(){
    first <- TRUE
    function(u,height){
        rbokehdir <- getOption("rbokehViewDir")
        for(k in list.files(dirname(u),full=TRUE)){
            file.copy(k, rbokehdir, overwrite=TRUE,recursive=TRUE)
        }
        index_html <- file.path(rbokehdir, "index.html")
        message(sprintf("Viewing figure at %s", index_html)
        if(first){
            utils::browseURL(index_html)
            first <<- FALSE
        }
    }
})())

library(rbokeh)
p <- figure(logo='None',tool=NULL)
p <- ly_points(p,Sepal.Length, Sepal.Width, data = iris,
               color = Species, glyph = Species,
               hover = list(Sepal.Length, Sepal.Width))
p