install_and_run.md

Install Python, Anaconda, Bokeh

Download Conda

Example of Conda installatio for Linux:

• https://docs.anaconda.com/anaconda/install/linux/

curl https://repo.anaconda.com/archive/Anaconda3-2021.05-Linux-x86_64.sh -o Anaconda3-2021.05-Linux-x86_64.sh

Install Conda for the current user

Bash shell example for Linux

cd 
bash Anaconda3-2021.05-Linux-x86_64.sh
anaconda3/bin/conda create --name rshiny_bokeh_reticulate
conda activate rshiny_bokeh_reticulate
conda install -c anaconda bokeh

Install Conda for Shiny Server (if applicable)

Sh shell example for Linux

sudo su shiny 
cd
/bin/sh Anaconda3-2021.05-Linux-x86_64.sh
. anaconda3/etc/profile.d/conda.sh
conda create --name rshiny_bokeh_reticulate
conda activate rshiny_bokeh_reticulate
conda install -c anaconda bokeh

R Shiny side

Install R Shiny

Local Shiny (if no Shiny Server)

• https://www.rstudio.com/products/rstudio/download/

Shiny Server

• https://www.rstudio.com/products/shiny/download-server/
• https://www.rstudio.com/products/rstudio/download-server/

Install packages

Install the packages corresponding to library() at the top of ui.R et server.R

• https://r-coder.com/install-r-packages/

Debug Ajax in R Shiny

To debug session$registerDataObj() (Ajax in R Shiny) in internet browser (F12)

api_bokehinlinejs_ajax_url

initialize

var req = new XMLHttpRequest();
req.overrideMimeType("application/json");

Post

without ProxyPass

apps is your PATH to Shiny Server Application

req.open("POST", "http://192.168.1.XXX:3838/apps/RshinyBokehReticulatePOC/"+api_bokehinlinejs_ajax_url, true)

with ProxyPass

req.open("POST", "http://192.168.1.XXX/shiny/apps/RshinyBokehReticulatePOC/"+api_bokehinlinejs_ajax_url, true)

within Rstudio Server

In "open in internet browser" mode, where YYYY is the web service part of the url given by Rstudio

req.open("POST", "http://192.168.1.XXX:8787/p/YYYY/"+api_bokehinlinejs_ajax_url, true)

Send

Put a breakpoint browser() in R file

session$registerDataObj(
    [..]
    filter = function(data, req) {
      shiny:::httpResponse(
        200, "application/json",
        {
          browser()
        `

and send the request in the internet browser

req.send()
var jsonResponse = JSON.parse(req.responseText); 

api_datasinus_ajax_url

initialize

var req = new XMLHttpRequest();
req.overrideMimeType("application/json");

Post

without ProxyPass

apps is your PATH to Shiny Server Application

req.open("POST", "http://192.168.1.XXX:3838/apps/RshinyBokehReticulatePOC/"+api_datasinus_ajax_url+'&operation=increment', true)

with ProxyPass

req.open("POST", "http://192.168.1.XXX/shiny/apps/RshinyBokehReticulatePOC/"+api_datasinus_ajax_url+'&operation=increment', true)

within Rstudio Server

In "open in internet browser" mode, where YYYY is the web service part of the rstudio given by Rstudio

req.open("POST", "http://192.168.1.XXX:8787/p/YYYY/"+api_datasinus_ajax_url+'&operation=increment', true)

Send

Put a breakpoint browser() in R file

session$registerDataObj(
    [..]
    filter = function(data, req) {
      shiny:::httpResponse(
        200, "application/json",
        {
          browser()

and send the request in the internet browser

req.send()
var jsonResponse = JSON.parse(req.responseText);