R Under development (unstable) (2024-03-14 r86117 ucrt) -- "Unsuffered Consequences"
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> library(DatastreamR)
> #logger::log_threshold(level=loglevel('ERROR'))
> 
> # Login using Wrong Username or Password
> ds = DataClient$new(NULL, "YourId", "YourPwd")
INFO [2024-03-14 15:45:51] DSConnect.R DSConnect$getToken :Getting Token and Token Expiry
could not find function "content_type_json"ERROR [2024-03-14 15:45:51] DSConnect.R  DSConnect$getToken 
could not find function "content_type_json"ERROR [2024-03-14 15:45:51] DSConnect.R  DSConnect$getToken No response received
> 
> # Login using Configuration
> # ds = DataClient("Config.ini")
> 
> # Example 1: To retrieve data for tickers VOD and BARC for dattypes PH and PL
> #           with start and end date as given. The retrived data is captured in a
> #           dataframe and further the values are displayed in a Chart.
> #
> 
> df = tryCatch ({
+   print("Retrieving data into dataframe and plot the values")
+   ds$getDataframe(tickers = "VOD,BARC", fields= list("PH", "PL"), start ='2022-01-12',end = '2022-07-13', kind = 1)
+ },
+ error = function(e) { stop (message(e))})
[1] "Retrieving data into dataframe and plot the values"
INFO [2024-03-14 15:45:51] Datastream.R DataClient$getDataframe Getting Data 
INFO [2024-03-14 15:45:51] Datastream.R DataClient$getData Getting Data 
You are not logged on. Please recreate the client supplying valid user credentials.Error in value[[3L]](cond) : 
Calls: tryCatch -> tryCatchList -> tryCatchOne -> <Anonymous>
Execution halted