PDF Locker GUI Based Application

 

from PyPDF2 import PdfFileWriter, PdfFileReader

import tkinter as tk

import tkinter.ttk as ttk

from tkinter import filedialog, messagebox

#Global Variable

filename = ''

passwd = ''

psd_entry = ''

def select_Pdf():

global filename

global psd_entry

filename = filedialog.askopenfilename()

file_label = tk.Label(win,text=f'Selected File: {filename}',bg='red')

file_label.grid(row=2,column=0,columnspan=8,padx=5)

psd_label = tk.Label(win,text="Password for PDF:")

psd_label.grid(row=3,column=0,pady=10)

psd_entry = tk.Entry(win,width=25)

psd_entry.grid(row=3,column=1,columnspan=2,pady=10)

lock_button = ttk.Button(win,text="Encrypt File",command=encrypt,width=30)

lock_button.grid(row=4,column=0,columnspan=8,pady=10)

return filename

def encrypt():

global filename

global passwd

out = PdfFileWriter()

file = PdfFileReader(filename)

num = file.numPages

for idx in range(num):

page = file.getPage(idx)

out.addPage(page)

passwd = psd_entry.get()

out.encrypt(passwd)

with open("encrypt_pdf.pdf","wb") as f:

out.write(f)

messagebox.showinfo("Success","File Saved!!")

win = tk.Tk()

win.geometry('300x200')

win.title('PDF Locker')

title = tk.Label(win, text='PDF Locker',font=('arial',25),justify='center')

title.grid(row=0,column=0, columnspan=8)

label1 = ttk.Label(win,text='Select File: ')

label1.grid(row=1,column=0,pady=10)

select_file = ttk.Button(win,text="Choose File", command=select_Pdf)

select_file.grid(row=1,column=1,pady=10)

win.mainloop()