show the error message if available

Author: leafo

openai/init.lua

@@ -59,6 +59,12 @@ do
   end)
   consume_json_head = S("\t\n\r ") ^ 0 * P("data: ") * C(consume_json) * C(P(1) ^ 0)
 end
+local parse_error_message = types.partial({
+  error = types.partial({
+    message = types.string:tag("message"),
+    code = types.string:tag("code")
+  })
+})
 local ChatSession
 do
   local _class_0
@@ -99,7 +105,16 @@ do
         stream = stream_callback and true or nil
       }, stream_callback)
       if status ~= 200 then
-        return nil, "Bad status: " .. tostring(status), response
+        local err_msg
+        do
+          local err = parse_error_message(response)
+          if err then
+            err_msg = "Bad status: " .. tostring(status) .. ": " .. tostring(err.message) .. " (" .. tostring(err.code) .. ")"
+          else
+            err_msg = "Bad status: " .. tostring(status)
+          end
+        end
+        return nil, err_msg, response
       end
       if stream_callback then
         assert(type(response) == "string", "Expected string response from streaming output")

openai/init.moon

@@ -78,6 +78,12 @@ consume_json_head = do
   S("\t\n\r ")^0 * P("data: ") * C(consume_json) * C(P(1)^0)
 
 
+parse_error_message = types.partial {
+  error: types.partial {
+    message: types.string\tag "message"
+    code: types.string\tag "code"
+  }
+}
 
 -- handles appending response for each call to chat
 -- TODO: hadle appending the streaming response to the output
@@ -119,7 +125,12 @@ class ChatSession
     }, stream_callback
 
     if status != 200
-      return nil, "Bad status: #{status}", response
+      err_msg = if err = parse_error_message response
+        "Bad status: #{status}: #{err.message} (#{err.code})"
+      else
+        "Bad status: #{status}"
+
+      return nil, err_msg, response
 
     -- if we are streaming we need to pase the entire fragmented response
     if stream_callback