main.py

import tkinter as tk
from tkinter import BOTTOM, RIDGE, RIGHT, Label, Menu, Toplevel, ttk
from tkinter.messagebox import showwarning
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 sentence_transformers
import pandas as pd
import sys
import os
from Skript.english.run_SAG_mnli import main as english_backend
from Skript.german.run_LR_SBERT import main as german_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 value list
        self.combo_list = ["Choose language of input data", "English", "German"]

        # 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