Search on the page about tkinterweb HOT 4 CLOSED

from tkinterweb import HtmlFrame

import tkinter as tk

class Page(tk.Tk):
    def __init__(self, *args, **kwargs):
        tk.Tk.__init__(self, *args, **kwargs)

        self.frame = frame = HtmlFrame(self)
        self.findbar = findbar = tk.Frame(self)
    
        self.find_select_num = 1
        self.find_match_num = 0
        
        self.findbox_var = findbox_var = tk.StringVar()
        self.find_box = find_box = tk.Entry(findbar, borderwidth=0, textvariable=findbox_var)
        find_up = tk.Button(findbar, text="<<", borderwidth=0, command=self.up_and_find)
        find_down = tk.Button(findbar, text=">>", borderwidth=0, command=self.down_and_find)
        self.ignore_case_var = ignore_case_var = tk.IntVar(value=1)
        ignore_case = tk.Checkbutton(findbar, text="Ignore Cases", variable=ignore_case_var, borderwidth=0, command=self.search_in_page)
        self.highlight_all_var = highlight_all_var = tk.IntVar(value=1)
        highlight_all = tk.Checkbutton(findbar, text="Highlight All", variable=highlight_all_var, borderwidth=0, command=lambda reset=False: self.search_in_page(reset=reset))
        self.find_bar_caption = find_bar_caption = tk.Label(findbar)
            
        frame.pack(expand=True, fill="both")
        findbar.pack(side="bottom", fill="x")
        
        findbar.columnconfigure(5, weight=1)
        find_box.grid(row=0, column=0, padx=5)
        find_up.grid(row=0, column=1)
        find_down.grid(row=0, column=2)
        ignore_case.grid(row=0, column=3, sticky="ns")
        highlight_all.grid(row=0, column=4, sticky="ns")
        find_bar_caption.grid(row=0, column=6)

        frame.load_url("http://tkhtml.tcl.tk")

        findbox_var.trace("w", self.search_in_page)

    def up_and_find(self):
        self.find_select_num -= 1
        if self.find_select_num == 0:
            self.find_select_num = self.find_match_num
        self.search_in_page(reset=False)

    def down_and_find(self):
        self.find_select_num += 1
        if self.find_select_num == self.find_match_num+1:
            self.find_select_num = 1
        self.search_in_page(reset=False)

    def search_in_page(self, x=None, y=None, reset=True):
        if reset:
            self.find_select_num = 1
        self.find_match_num = self.frame.find_text(self.findbox_var.get(), self.find_select_num, self.ignore_case_var.get(), self.highlight_all_var.get())
        if self.find_match_num > 0:
            self.find_bar_caption.configure(text="{} of {} matches.".format(self.find_select_num, self.find_match_num))
        else:
            self.find_bar_caption.configure(text="No matches.")

if __name__ == "__main__":
    window = Page()
    window.mainloop()