main.py

import tkinter as tk
from tkinter import filedialog
from tkinter import BOTTOM, RIDGE, RIGHT, Label, Menu, Toplevel, ttk
from tkinter.font import NORMAL
from tkinter.messagebox import showinfo
from tkinter.filedialog import askopenfilename
from tkinter import DISABLED

import csv
import xlsxwriter
import tkinter


import pandas as pd
import sys
import os
from Skript.lang.run_LR_SBERT import main as backend


class App(ttk.Frame):

    def __init__(self, parent):
        ttk.Frame.__init__(self)

        # Make the app responsive
        for index in [0, 1, 2]:
            self.columnconfigure(index=index, weight=1)
            self.rowconfigure(index=index, weight=1)


        #Create a label
        self.label = tk.Label(root, text="Please upload an Excel file:", font=("Arial", 12, "bold"))

        # Create a Frame for input widgets
        self.widgets_frame = ttk.Frame(self)
        self.widgets_frame.grid(
            row=1, column=1, sticky="nsew", rowspan=8
        )
        self.widgets_frame.columnconfigure(index=0, weight=1)
        root.lift(self.widgets_frame)

        # Set Menu list
        self.menubar = Menu(root)
        root.configure(menu=self.menubar)
        self.options_menu = Menu(self.menubar)
        self.options_menu.add_command(label='Fenster schließen', command=root.destroy)
        self.options_menu.add_cascade(label='Optionen', menu=self.options_menu)

        # create labelframe for the file names read in 
        labelframe = tk.LabelFrame(self.widgets_frame, text="Input File", height=80, width=300, font=("Segoeui 10"))
        labelframe.grid(row=25, column=0, padx=1, pady=15, sticky="nsew")
        text = tk.Label(labelframe, text="", font=("Segoeui  10"))
        text.pack()
        labelframe.update()

        # open filechooser for .csv-files, set the state for the "Start" button1 and show infoboxes
        self.csv_file_path = ""

        def import_csv_data():
            csv_file_path = askopenfilename(
                title="Open .csv file", initialdir='Dokumente', filetypes=(
                    ("Excel files", "*.xlsx"), ("csv files", "*.csv"), ("tsv files", "*.tsv"), ("all files", "*.*")))
            # update the labelframe with the file cut down to only filename w/o path
            text.configure(text=os.path.basename(csv_file_path))
            # windows path:
            csv_file_path = csv_file_path.replace("/", "\\")

            indexIdent = csv_file_path

            # Set environment for output.csv files