Amazing-Python-Scripts

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from tkinter import *
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from tkinter import messagebox
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import os
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import pyqrcode
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import smtplib
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import imghdr
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from email.message import EmailMessage
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my_mail = "ENTER YOUR EMAIL ID"
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password = "SET PASSWORD"
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# create a GUI window with Tkinter
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window = Tk()
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window.title("QR Code Generator APP")
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global email_add
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# a function to generate all widgets
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def generate():
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    if len(Subject.get()) != 0:
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        global qr, photo
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        qr = pyqrcode.create(Subject.get())
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        photo = BitmapImage(data=qr.xbm(scale=8))
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    else:
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        messagebox.showerror("Error", "Enter subject first")
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    try:
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        showcode()
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    except:
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        pass
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# a function to show the qr code on the screen
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def showcode():
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    imageLabel.config(image=photo)
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    subLabel.config(text="QR of " + Subject.get())
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# A function to save the qr code as a png file
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def save():
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    dir = os.getcwd()
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    if not os.path.exists(os.getcwd()):
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        os.makedirs(dir)
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    try:
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        if len(name.get()) != 0:
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            qr.png(os.path.join(dir, name.get() + ".png"), scale=8)
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            messagebox.showinfo("Status", "QR code saved successfully")
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        else:
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            messagebox.showerror("Error", "Enter file name first")
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    except:
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        messagebox.showerror("Error", "Generate the QR code first")
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def send():
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    try:
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        if len(mail.get()) != 0 and os.path.exists(name.get()+".png"):
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            newMessage = EmailMessage()
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            newMessage['Subject'] = "QR CODE IS READY!!"
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            newMessage['From'] = my_mail
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            newMessage['To'] = mail.get()
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            with open(f'{name.get()}.png', 'rb') as f:
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                image_data = f.read()
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                image_type = imghdr.what(f.name)
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                image_name = f.name
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            newMessage.add_attachment(
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                image_data, maintype='image', subtype=image_type, filename=image_name)
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            with smtplib.SMTP_SSL('smtp.gmail.com', 465) as smtp:
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                smtp.login(my_mail, password)
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                smtp.send_message(newMessage)
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            messagebox.showinfo("Status", "Mail has been sent successfully")
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        else:
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            messagebox.showerror(
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                "Error", "Invalid Email or QR Code not generated")
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    except:
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        messagebox.showerror("Error", "Invalid Email")
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# specifying all details for the widgets
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Sub = Label(window, text="Enter URL/Subject")
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Sub.grid(row=0, column=0, sticky=N + S + W + E)
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FName = Label(window, text="Enter filename to save as")
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FName.grid(row=1, column=0, sticky=N + S + W + E)
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Mail = Label(window, text="Enter email address")
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Mail.grid(row=2, column=0, sticky=N + S + W + E)
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Subject = StringVar()
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SubEntry = Entry(window, textvariable=Subject)
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SubEntry.grid(row=0, column=1, sticky=N + S + W + E)
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name = StringVar()
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nameEntry = Entry(window, textvariable=name)
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nameEntry.grid(row=1, column=1, sticky=N + S + W + E)
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mail = StringVar()
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mailEntry = Entry(window, textvariable=mail)
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mailEntry.grid(row=2, column=1, sticky=N + S + W + E)
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button = Button(window, text="Generate QR Code", width=15, command=generate)
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button.grid(row=0, column=3, sticky=N + S + W + E)
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imageLabel = Label(window)
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imageLabel.grid(row=4, column=1, sticky=N + S + W + E)
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subLabel = Label(window, text="")
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subLabel.grid(row=3, column=1, sticky=N + S + W + E)
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saveB = Button(window, text="Save as PNG File", width=15, command=save)
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saveB.grid(row=1, column=3, sticky=N + S + W + E)
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sendB = Button(window, text="Send QR code", width=15, command=send)
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sendB.grid(row=2, column=3, sticky=N + S + W + E)
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Rows = 5
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Columns = 5
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for row in range(Rows + 1):
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    window.grid_rowconfigure(row, weight=1)
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for col in range(Columns + 1):
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    window.grid_columnconfigure(col, weight=1)
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# let the program run forever until manually closed by the user
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window.mainloop()
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