#!/usr/bin/env python    #----------------------------------------------------------------------# MathFlash.py# Dave Reed# 02/12/2004#----------------------------------------------------------------------import sysfrom random import randrangefrom GladeWindow import *#----------------------------------------------------------------------def get_random_number(digits):    num = 0    for i in range(digits):        d = randrange(10)        num = num * 10 + d    return num#----------------------------------------------------------------------class MathFlash(GladeWindow):    #----------------------------------------------------------------------    def __init__(self):        ''' '''                self.init()        self.widgets['plus_check'].set_active(1)        self.correct = 0        self.total = 0        self.show_results()            #----------------------------------------------------------------------    def init(self):        filename = 'mathflash.glade'        widget_list = [            'window1',            'plus_check',            'minus_check',            'multiply_check',            'divide_check',            'digits_spin',            'operators_spin',            'correct_entry',            'wrong_entry',            'pct_entry',            'problem_entry',            'answer_entry',            'submit_button',            'reset_button',            'exit_button',            'new_button',            'result_entry',            ]        handlers = [            'on_operator_check_toggled',            'on_submit_button_clicked',            'on_reset_button_clicked',            'on_exit_button_clicked',            'on_new_button_clicked',            ]        top_window = 'window1'        GladeWindow.__init__(self, filename, top_window, widget_list, handlers)    #----------------------------------------------------------------------    def show_results(self):        if self.total > 0:            pct = '%0.1f%%' % (100.0 * self.correct / float(self.total))        else:            pct = ''        self.widgets['correct_entry'].set_text(str(self.correct))        self.widgets['wrong_entry'].set_text(str(self.total - self.correct))        self.widgets['pct_entry'].set_text(pct)    #----------------------------------------------------------------------    def on_operator_check_toggled(self, *args):        self.operators = []        if self.widgets['plus_check'].get_active():            self.operators.append('+')        if self.widgets['minus_check'].get_active():            self.operators.append('-')        if self.widgets['multiply_check'].get_active():            self.operators.append('*')        if self.widgets['divide_check'].get_active():            self.operators.append('/')    #----------------------------------------------------------------------    def on_submit_button_clicked(self, *args):        prob = self.widgets['problem_entry'].get_text()        ans = eval(prob)        user = int(self.widgets['answer_entry'].get_text())        self.total += 1        if ans == user:            self.correct += 1            self.widgets['result_entry'].set_text('Correct')        else:            self.widgets['result_entry'].set_text('Wrong, the answer is %d'                                                  % ans)        self.show_results()            #----------------------------------------------------------------------    def on_reset_button_clicked(self, *args):        self.correct = 0        self.total = 0        self.show_results()            #----------------------------------------------------------------------    def on_new_button_clicked(self, *args):        num_digits = int(self.widgets['digits_spin'].get_text())        num_ops = int(self.widgets['operators_spin'].get_text())        prob = []        num = get_random_number(num_digits)        prob.append(str(num))        for i in range(num_ops):            op = self.operators[randrange(len(self.operators))]            prob.append(op)            num = get_random_number(num_digits)            prob.append(str(num))        self.widgets['problem_entry'].set_text(''.join(prob))        self.widgets['result_entry'].set_text('')        self.widgets['answer_entry'].set_text('')            #----------------------------------------------------------------------    def on_exit_button_clicked(self, *args):        gtk.main_quit()#----------------------------------------------------------------------def main(argv):    w = MathFlash()    w.show()    gtk.main()#----------------------------------------------------------------------if __name__ == '__main__':    main(sys.argv)