Create PDF_password_decrypter

Added a Python Project to Decrypt Encrypted PDFs using tkinter and PyPDF2!

PDF_password_decrypter

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+import os
+import PyPDF2
+from tkinter import *
+from tkinter import filedialog
+
+# Create a GUI window using tkinter
+root = Tk()
+root.configure(background='grey')
+root.title('PDF Password Remover')
+root.geometry('300x350')
+
+# this is the method select_file which when invoked uses filedialog to open a file and store the path of the file in the variable file_path
+def select_file():
+    global file_path
+    file_path = filedialog.askopenfilename()
+
+    # Creating a label to show the file path
+    Label(root, text=file_path, bg='grey', fg='white').pack(pady=10)
+
+# this is the method decrypt which when invoked decrypts the file using the password provided by the user
+def decrypt():
+    passwd = password.get() # getting the password from the entry widget
+
+    # Opening the PDF file with a password
+    pdf_file = open(file_path, 'rb')
+    pdf_reader = PyPDF2.PdfReader(pdf_file)
+    if pdf_reader.is_encrypted:
+        pdf_reader.decrypt(passwd)
+
+    # Create a new PDF file without password protection
+    pdf_writer = PyPDF2.PdfWriter()
+    length = len(pdf_reader.pages)
+    for page_num in range(length):
+        pdf_writer.add_page(pdf_reader.pages[length - page_num - 1])
+
+    # Creating a new file with the name provided by the user
+    new_file_name = new_file.get()+".pdf"
+    new_pdf_file = open(new_file_name, 'wb')
+    pdf_writer.write(new_pdf_file)
+
+    # Closing the files
+    pdf_file.close()
+    new_pdf_file.close()
+
+    # Showing the file in a tkinter window
+    show_pdf()
+
+# this is a method that has a canvas of 500x700 resizeable to show the pdf file
+# def show_pdf():
+#     pdf_file = open(new_file.get()+".pdf", 'rb')
+#     pdf_reader = PyPDF2.PdfReader(pdf_file)
+#     page = pdf_reader.pages[0] 
+#     page_content = page.extract_text()
+#     print(page_content)
+#     pdf_file.close()
+
+def show_pdf():
+    pdf_file = new_file.get()+".pdf"
+    os.system(f"evince {pdf_file}")
+
+
+# Button to choose the file to be decrypted
+Button(root, text='Select File', bg='white', font=('arial', 12, 'normal'), command=select_file).pack(pady=20)
+
+# Label widget to show the password
+Label(root, text='Password: ', bg='grey', fg = 'white', font=('arial', 12, 'normal')).pack()
+
+# Entry widget to accept the password
+password = Entry(root,text='Password', width=20, font=('arial', 12, 'normal'), show='*', border=2)
+password.pack(pady=20)
+
+# Label widget to show the name with which the new file would be stored
+Label(root, text='New File Name:', bg='grey', fg = 'white', font=('arial', 12, 'normal')).pack()
+
+# Entry widget to accept the name with which the new file would be stored
+new_file = Entry(root,text='New File Name', width=20, font=('arial', 12, 'normal'), border=2)
+new_file.pack(pady=20)
+
+# Button to decrypt the file
+Button(root, text='Decrypt', bg='white', font=('arial', 12, 'normal'), command=decrypt).pack(pady=20)
+
+root.mainloop()