Returning intermediate result during function call

I’m trying to figure out how or maybe if it is possible to return some sort of information when python function is being called and is running some loop that has variable which is incremented. Lets say I have a function that saves a file to a excel file:

@eel.expose
def xlsx_converter(path, sheet, output):
        start = time.process_time()
        wb =  openpyxl.load_workbook("input/" + path, read_only=True) 
        ws = wb[sheet]
        row_count = ws.max_row
        with open("input/"+output, "w") as out:
            writer = csv.writer(out)
            counter = 0
            for row in ws:
                if counter/row_count == 0.5:
                        #return "Intermediate result message-info"
                elif counter/row_count == 0.75: 
                       #return "Another Intermediate result message-info"
                else:
                        continue
                values = (cell.value for cell in row)
                writer.writerow(values)
                counter+=1

So given some condition (when the counter variable reaches some value) I would like to send that msg to my frontend. Is this possibility? How would I retrieve this in frontend?

[NecroticOoze]

In the front end you have to add an exposed JS function that does what you want. Like:

eel.expose(myFunc)
function myFunc() { //Do something}

In your backend, call that function when

if counter == 99: #or whatever value
     eel.myFunc()
else:
     pass

Let me know if you still need help 😃

[samuelhwilliams]

I’m going to close this due to inactivity - hopefully you’ve worked it out now from the help provided 😃