Python tkinter.messagebox.askyesnocancel() Examples

def maybesave(self):
        if self.get_saved():
            return "yes"
        message = "Do you want to save %s before closing?" % (
            self.filename or "this untitled document")
        confirm = tkMessageBox.askyesnocancel(
                  title="Save On Close",
                  message=message,
                  default=tkMessageBox.YES,
                  parent=self.text)
        if confirm:
            reply = "yes"
            self.save(None)
            if not self.get_saved():
                reply = "cancel"
        elif confirm is None:
            reply = "cancel"
        else:
            reply = "no"
        self.text.focus_set()
        return reply 

def wclose(self, event=0):
        if self.parent.title()[0] == "*":
            save = messagebox.askyesnocancel(
                "Save file",
                "You have unsaved changes.\nDo you want to save before closing?",
            )

            if save:
                self.save_file()
                if self.parent.title()[0] == "*":
                    self.wclose()
                else:
                    root.destroy()

            elif not save:
                root.destroy()
        else:
            root.destroy() 

def maybesave(self):
        if self.get_saved():
            return "yes"
        message = "Do you want to save %s before closing?" % (
            self.filename or "this untitled document")
        confirm = tkMessageBox.askyesnocancel(
                  title="Save On Close",
                  message=message,
                  default=tkMessageBox.YES,
                  parent=self.text)
        if confirm:
            reply = "yes"
            self.save(None)
            if not self.get_saved():
                reply = "cancel"
        elif confirm is None:
            reply = "cancel"
        else:
            reply = "no"
        self.text.focus_set()
        return reply 

def maybesave(self):
        if self.get_saved():
            return "yes"
        message = "Do you want to save %s before closing?" % (
            self.filename or "this untitled document")
        confirm = tkMessageBox.askyesnocancel(
                  title="Save On Close",
                  message=message,
                  default=tkMessageBox.YES,
                  parent=self.text)
        if confirm:
            reply = "yes"
            self.save(None)
            if not self.get_saved():
                reply = "cancel"
        elif confirm is None:
            reply = "cancel"
        else:
            reply = "no"
        self.text.focus_set()
        return reply 

def _msgBox():
#     msg.showinfo('Python Message Info Box', 'A Python GUI created using tkinter:\nThe year is 2017.')  
#     msg.showwarning('Python Message Warning Box', 'A Python GUI created using tkinter:\nWarning: There might be a bug in this code.')
#     msg.showerror('Python Message Error Box', 'A Python GUI created using tkinter:\nError: Houston ~ we DO have a serious PROBLEM!')
    answer = msg.askyesnocancel("Python Message Multi Choice Box", "Are you sure you really wish to do this?")
    print(answer)
            
# Add another Menu to the Menu Bar and an item 

def action(self):
        # 1 = True    &   2 = False
        if self.cb1.get() == 1:
            self.payment_success()
        elif self.cb2.get() == 1:
            self.delete_1_record()
        elif self.cb3.get() ==1:
            self.retrive_decryption_key()
        elif self.cb4.get() == 1:
            ans = tmsg.askyesnocancel("Questions", "You are Going to Delete All Records, Are U Sure & Want to do this?")
            if ans == True:            
                self.delete_all_record() 
            elif ans == False:
                tmsg.showwarning("Warning", "Don't Tick this option, If you don't want to erase all DB_Records!") 

def _msgBox():
#     msg.showinfo('Python Message Info Box', 'A Python GUI created using tkinter:\nThe year is 2019.')  
#     msg.showwarning('Python Message Warning Box', 'A Python GUI created using tkinter:\nWarning: There might be a bug in this code.')
#     msg.showerror('Python Message Error Box', 'A Python GUI created using tkinter:\nError: Houston ~ we DO have a serious PROBLEM!')
    answer = msg.askyesnocancel("Python Message Multi Choice Box", "Are you sure you really wish to do this?")
    print(answer)
            
# Add another Menu to the Menu Bar and an item 

def check_save(self):
        if not self.edited:
            return True # No changes, all good
        # Post a dialog asking if we want to save the current plist
        answer = mb.askyesnocancel("Unsaved Changes", "Save changes to {}?".format(self.get_title()))
        if answer == True:
            return self.save_plist()
        return answer 

def check_allow_closing(self, editor=None):
        if not editor:
            modified_editors = [e for e in self.winfo_children() if e.is_modified()]
        else:
            if not editor.is_modified():
                return True
            else:
                modified_editors = [editor]
        if len(modified_editors) == 0:
            return True

        message = "Do you want to save files before closing?"
        if editor:
            message = "Do you want to save file before closing?"

        confirm = messagebox.askyesnocancel(
            title="Save On Close", message=message, default=messagebox.YES
        )

        if confirm:
            for editor_ in modified_editors:
                if editor_.get_filename(True):
                    editor_.save_file()
                else:
                    return False
            return True

        elif confirm is None:
            return False
        else:
            return True 

def capture_and_mark(self):
		sl = StudentsList(self.class_name)
		students, roll_numbers = sl.load_pkl_file()

		FaceDetectObj = FaceDetect(self.class_name)

		Yes = True
		No = False
		Cancel = None

		i = 0
		while i <= 2:
			captured_image=None
			frame=None
			
			students_present = []
			while len(students_present) == 0:
				captured_image, frame = capture()
				students_present = FaceDetectObj.recognize(captured_image, roll_numbers)
				if students_present == "No Training Data":
					return

			try:
				name_student_present = students[roll_numbers.index(students_present[0])]
			except:
				messagebox.showerror("Error", "Recognized student not in database\nUnable to mark attendance")
				return

			response = messagebox.askyesnocancel("Confirm your identity", students_present[0]+'\n'+name_student_present)
			
			if response is Yes:
				wb = excel.attendance_workbook(self.class_name)
				excel.mark_present(wb, students_present, self.class_name)
				img_path=os.path.join(os.getcwd(), 'images', self.class_name, "s"+students_present[0][-2:],os.path.basename(captured_image))
				cv2.imwrite(img_path,frame)
				os.remove(captured_image)
				messagebox.showinfo("Attendance Confirmation", "Your attendance is marked!")
				break
			elif response is Cancel:
				break
			elif response is No:
				if i == 2:
					img_path=os.path.join(os.getcwd(), 'images',self.class_name,"unrecognized students", os.path.basename(captured_image))
					cv2.imwrite(img_path,frame)
					messagebox.showinfo("Unrecognized Student", "You were not recognized as any student of this class.\nYour attendance will be marked later if you really are")
					cv2.imwrite(img_path,frame)
				os.remove(captured_image)

			i += 1 

def __init__(self):
        super().__init__()
        self.create_button(mb.askyesno, "Ask Yes/No",
                           "Returns True or False")
        self.create_button(mb.askquestion, "Ask a question",
                           "Returns 'yes' or 'no'")
        self.create_button(mb.askokcancel, "Ask Ok/Cancel",
                           "Returns True or False")
        self.create_button(mb.askretrycancel, "Ask Retry/Cancel",
                           "Returns True or False")
        self.create_button(mb.askyesnocancel, "Ask Yes/No/Cancel",
                           "Returns True, False or None")