import tkinter as tk
import math


class App(tk.Frame):
    def __init__(self, bx, by, bsize, master=None):
        super().__init__(master)

        self.buttons = []

        self.bx, self.by = bx, by
        self.width, self.height = bx * bsize, by * bsize

        self.init_gui()

    def init_gui(self):
        self.grid(sticky=tk.E + tk.W + tk.N + tk.S)
        self.grid_propagate(False)
        self.config(width=self.width, height=self.height)

        for i in range(self.bx * self.by):
            self.master.columnconfigure(math.floor(i % self.bx), weight=1)
            self.master.rowconfigure(math.floor(i / self.by), weight=1)

        self.make_buttons()


    def create_button(self, location_name, row, column):
        self.columnconfigure(column, weight=1)
        self.rowconfigure(row, weight=1)

        button = tk.Button(self, text=location_name, command=lambda: self.action(column, row))
        button.grid(row=row, column=column, sticky=tk.E + tk.W + tk.N + tk.S)

        return button

    def make_buttons(self):
        for i in range(self.bx * self.by):
            self.buttons.append(self.create_button(i+1, int(i % self.bx)+1, int(i / self.by)+1))

    def get_button(self, x, y):
        return self.buttons[x * self.grid_size + y]

    def action(self, x, y):
        print("{},{}\n".format(x, y))


if __name__ == '__main__':
    root = tk.Tk()
    # Call the app with the number of buttons you want x,y and the size of each button in pixels
    app = App(20, 20, 24, master=root)

    app.mainloop()