How can I create a simple message box in Python

Question

I m looking for the same effect as alert   in JavaScript   I wrote a simple web-based interpreter this afternoon using Twisted web  You basically submit a block of Python code through a form  and the client comes and grabs it and executes it  I want to be able to make a simple popup message  without having to re-write a whole bunch of boilerplate wxPython or TkInter code every time  since the code gets submitted through a form and then disappears    I ve tried tkMessageBox   import tkMessageBox tkMessageBox showinfo title  Greetings   message  Hello World      but this opens another window in the background with a tk icon  I don t want this  I was looking for some simple wxPython code but it always required setting up a class and entering an app loop etc  Is there no simple  catch-free way of making a message box in Python

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The code you presented is fine  You just need to explicitly create the  other window in the background  and hide it  with this code   import Tkinter window   Tkinter Tk   window wm withdraw     Right before your messagebox

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check out my python module  pip install quickgui   Requires wxPython  but requires no knowledge of wxPython  https   pypi python org pypi quickgui  Can create any numbers of inputs  ratio  checkbox  inputbox   auto arrange them on a single gui

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Have you looked at easygui   import easygui  easygui msgbox  This is a message    title  simple gui

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Use  from tkinter messagebox import   Message  master   title   title    message   message      The master window has to be created before  This is for Python 3  This is not fot wxPython  but for tkinter

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Not the best  here is my basic Message box using only tkinter    Python 3 4 from    tkinter import  messagebox  as  msg  import  tkinter as      tk   def MsgBox title  text  style       box             msg showinfo        msg showwarning     msg showerror          msg askquestion     msg askyesno        msg askokcancel         msg askretrycancel      tk Tk   withdraw     Hide Main Window   if style in range 7       return box style  title  text    if   name         main      Return   MsgBox  Use Like This       Basic Error Exemple           join             The Basic Error Exemple a problem with test                          n            and is unable to continue  The application must close                n n            Error code Test                                                      n            Would you like visit http   wwww basic-error-exemple com  for        n            help                  2      print  Return         Style       Type            Button          Return ------------------------------------------------------ 0           Info            Ok               ok  1           Warning         Ok               ok  2           Error           Ok               ok  3           Question        Yes No           yes   no  4           YesNo           Yes No          True False 5           OkCancel        Ok Cancel       True False 6           RetryCancal     Retry Cancel    True False

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You can use pyautogui or pymsgbox   import pyautogui pyautogui alert  This is a message box  title  Hello World     Using pymsgbox is the same as using pyautogui   import pymsgbox pymsgbox alert  This is a message box  title  Hello World

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Also you can position the other window before withdrawing it so that you position your message     usr bin env python  from Tkinter import   import tkMessageBox  window   Tk   window wm withdraw     message at x 200 y 200 window geometry  1x1 200 200   remember its  geometry  WidthxHeight  or- X  or- Y   tkMessageBox showerror title  error  message  Error Message  parent window    centre screen message window geometry  1x1   str window winfo screenwidth   2      str window winfo screenheight   2   tkMessageBox showinfo title  Greetings   message  Hello World

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On Mac  the python standard library has a module called EasyDialogs  There is also a  ctypes based  windows version at http   www averdevelopment com python EasyDialogs html  If it matters to you  it uses native dialogs and doesn t depend on Tkinter like the already mentioned easygui  but it might not have as much features

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ctype module with threading  i was using the tkinter messagebox but it would crash my code  i didn t want to find out why so i used the ctypes module instead   for example    import ctypes ctypes windll user32 MessageBoxW 0   Your text    Your title   1    i got that code from Arkelis    i liked that it didn t crash the code so i worked on it and added a threading so the code after would run   example for my code  import ctypes import threading   def MessageboxThread buttonstyle  title  text  icon       threading Thread          target lambda  ctypes windll user32 MessageBoxW buttonstyle  text  title  icon        start    messagebox 0   Your title    Your text   1      for button styles and icon numbers      Button styles    0   OK   1   OK   Cancel   2   Abort   Retry   Ignore   3   Yes   No   Cancel   4   Yes   No   5   Retry   No   6   Cancel   Try Again   Continue     To also change icon  add these values to previous number   16 Stop-sign icon   32 Question-mark icon   48 Exclamation-point icon   64 Information-sign icon consisting of an  i  in a circle

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In Windows  you can use ctypes with user32 library   from ctypes import c int  WINFUNCTYPE  windll from ctypes wintypes import HWND  LPCSTR  UINT prototype   WINFUNCTYPE c int  HWND  LPCSTR  LPCSTR  UINT  paramflags    1   hwnd   0    1   text    Hi     1   caption   None    1   flags   0  MessageBox   prototype   MessageBoxA   windll user32   paramflags   MessageBox   MessageBox text  Spam  spam  spam   MessageBox flags 2  text  foo bar

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A recent message box version is the prompt box module  It has two packages  alert and message  Message gives you greater control over the box  but takes longer to type up   Example Alert code   import prompt box  prompt box alert  Hello    This will output a dialog box with title Neutrino and the   text you inputted  The buttons will be Yes  No and Cancel   Example Message code   import prompt box  prompt box message  Hello    Neutrino    You pressed yes    You pressed no    You  pressed cancel    The first two are text and title  and the other three are what is   printed when you press a certain button

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import sys from tkinter import   def mhello        pass     return  mGui   Tk   ment   StringVar    mGui geometry  450x450 500 300   mGui title  My youtube Tkinter    mlabel   Label mGui text   my label   pack    mbutton   Button mGui text   ok  command   mhello fg    red  bg  blue   pack    mEntry   entry   pack

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import ctypes ctypes windll user32 MessageBoxW 0   Your text    Your title   1    The last number  here 1  can be change to change window style  not only buttons          Button styles    0   OK   1   OK   Cancel   2   Abort   Retry   Ignore   3   Yes   No   Cancel   4   Yes   No   5   Retry   No    6   Cancel   Try Again   Continue     To also change icon  add these values to previous number   16 Stop-sign icon   32 Question-mark icon   48 Exclamation-point icon   64 Information-sign icon consisting of an  i  in a circle   For example   ctypes windll user32 MessageBoxW 0   That s an error    Warning    16    will give this

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You could use an import and single line code like this  import ctypes    An included library with Python install     ctypes windll user32 MessageBoxW 0   quot Your text quot    quot Your title quot   1   Or define a function  Mbox  like so  import ctypes    An included library with Python install  def Mbox title  text  style       return ctypes windll user32 MessageBoxW 0  text  title  style  Mbox  Your title    Your text   1   Note the styles are as follows      Styles      0   OK     1   OK   Cancel     2   Abort   Retry   Ignore     3   Yes   No   Cancel     4   Yes   No     5   Retry   Cancel      6   Cancel   Try Again   Continue  Have fun  Note  edited to use MessageBoxW instead of MessageBoxA

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I had to add a message box to my existing program  Most of the answers are overly complicated in this instance  For Linux on Ubuntu 16 04  Python 2 7 12  with future proofing for Ubuntu 20 04 here is my code  Program top from   future   import print function         Must be first import  try      import tkinter as tk     import tkinter ttk as ttk     import tkinter font as font     import tkinter filedialog as filedialog     import tkinter messagebox as messagebox     PYTHON VER  quot 3 quot  except ImportError    Python 2     import Tkinter as tk     import ttk     import tkFont as font     import tkFileDialog as filedialog     import tkMessageBox as messagebox     PYTHON VER  quot 2 quot   Regardless of which Python version is being run  the code will always be messagebox  for future proofing or backwards compatibility  I only needed to insert two lines into my existing code above  Message box using parent window geometry     At least one song must be selected     if self play song count    0      messagebox showinfo title  quot No Songs Selected quot             message  quot You must select at least one song  quot             parent self toplevel      return  I already had the code to return if song count was zero  So I only had to insert three lines in between existing code  You can spare yourself complicated geometry code by using parent window reference instead  parent self toplevel  Another advantage is if the parent window was moved after program startup your message box will still appear in the predictable place

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Also you can position the other window before withdrawing it so that you position your message  from tkinter import   import tkinter messagebox  window   Tk   window wm withdraw      message at x 200 y 200 window geometry  1x1 200 200      remember its geometry  WidthxHeight  or- X  or- Y   tkinter messagebox showerror title  error   message  Error Message   parent window     center screen message window geometry f 1x1  round window winfo screenwidth     2    round window winfo screenheight     2     tkinter messagebox showinfo title  Greetings   message  Hello World      Please Note  This is Lewis Cowles  answer just Python 3ified  since tkinter has changed since python 2  If you want your code to be backwords compadible do something like this   try      import tkinter     import tkinter messagebox except ModuleNotFoundError      import Tkinter as tkinter     import tkMessageBox as tkinter messagebox

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The PyMsgBox module does exactly this  It has message box functions that follow the naming conventions of JavaScript  alert    confirm    prompt   and password    which is prompt   but uses   when you type   These function calls block until the user clicks an OK Cancel button  It s a cross-platform  pure Python module with no dependencies outside of tkinter  Install with  pip install PyMsgBox Sample usage  import pymsgbox pymsgbox alert  This is an alert     Title   response   pymsgbox prompt  What is your name     Full documentation at http   pymsgbox readthedocs org en latest

[python] How can I create a simple message box in Python?

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