Julia Genie routing unexpected end of input

Question

I keep getting this error :

######################### ERROR STACKTRACE ######################### Expected end of input Line: 0 Around: ...11092×16 DataFrame Row...

But when I run the code (excluding the routes) in a separate terminal, it runs just fine, returning a DataFrame of securities symbols with some information about them.

What am I doing wrong? (Note that the api key published here is a publishable key that only has access to free data.)

using Genie, Genie.Renderer.Json, Genie.Requests
using HTTP, JSON
using DataFrames

route("/tickers", method = POST) do
  message = jsonpayload()
#  (:echo => (message["message"] * " ") ^ message["repeat"]) |> json
    syms = HTTP.request("GET","https://acre.iex.cloud/v1/data/CORE/REF_DATA?token=pk_79891f5cbcce4099ae063588956f937a")
    schema_req = HTTP.request("GET","https://acre.iex.cloud/v1/data/CORE/REF_DATA?schema=true&token=pk_79891f5cbcce4099ae063588956f937a")
    sbs = syms.body |> String |> JSON.parse
    smat = sbs .|> values .|> collect |> (x->reduce(hcat,x)) |> (x->permutedims(DataFrame(x,:auto)))
    schema = schema_req.body |> String |> JSON.parse |> first |> keys |> collect
    rename!(smat,Symbol.(schema))
end

route("/send") do
  response = HTTP.request("POST", "http://localhost:8000/tickers", [("Content-Type", "application/json")], """{"exchanges":"XNYS", "type":"cs"}""")
  response.body |> String |> JSON.parse
end

up(async = false)

Ultimately, I'd like the '/tickers' route to be an API backend and the /send route to exist in a desktop application (not necessarily as a webpage), so answers without relying heavily on formatting the /send route are very welcome.

Thanks!

Answer 1

I discovered that importing both JSON and Genie.Renderer.Json overloads the name json, and I need to use Genie's json parse method for response.body, so I need to specify json as Genie.Renderer.Json.json.

Hence the /send route should look like:

route("/send") do
  response = HTTP.request("POST", "http://localhost:8000/tickers", [("Content-Type", "application/json")], """{"exchanges":"XNYS", "type":"cs"}""")
  response.body |> String |> Genie.Renderer.Json.json
end

The output looks really ugly though, so I'd like a way to change that.