tk_filedialog_read_files.py

import pathlib
from tkinter import filedialog as fd
from PyPDF2 import PdfFileReader
from docx import Document

def open_file_selection():
    filenames = fd.askopenfilenames()
    for filename in filenames:
        extension = pathlib.Path(filename).suffix
        if extension == '.pdf':
            reader = PdfFileReader(filename)
            no_pages = reader.numPages
            i = 0
            while i < no_pages:
                page = reader.pages[i]
                print(page.extract_text())
                i += 1
        elif extension == '.txt':
            with open(filename, 'r') as f:
                read_data = f.read()
                print(read_data)
        elif extension in ['.doc', '.docx']:
            doc = Document(filename)
            all_paras = doc.paragraphs
            for para in all_paras:
                print(para.text)
        else:
            print("Can't read files with extension {} for file {}".format(extension, filename))

open_file_selection()