my very 1st python program

my1st.py

#!C:\\Python25
# -*- coding: GBK -*-
from Tkinter import * 
import os
import tkFileDialog
import sys
import re
from tkMessageBox import *
import win32clipboard

root = Tk()

interator = 0

done = []
donebac = []

mark = []

step = [] 

beensaved = 0

code = ''
pastes = ''

mainname = ''
button_frame = Frame(root,width= 640,height = 50)
button_frame.pack(fill = BOTH)

class main_frame(Frame):


    def __init__( self, master = None): 

        Frame.__init__( self ,master)
        self.master.geometry( '640x685')
        self.master.title(u'PALALA   speeder-x版')

        self.pack (expand = YES, fill = BOTH)

        self.myCanvas = Canvas(self, bg = '#f8dc59')
        self.myCanvas.pack(expand = YES, fill = BOTH)
        for x in range(40, 640, 40 ):
            for y in range(40,640,40):
                self.myCanvas.create_oval (x,y,x,640-y,fill = 'black') 
                self.myCanvas.create_oval(x,y,640-x,y,fill = 'black')

         #creat 5 masks
        self.myCanvas.create_oval(155,155,165,165,fill = 'black', tags =
'circle')
        self.myCanvas.create_oval (155,475,165,485,fill = 'black', tags =
'circle')
        self.myCanvas.create_oval(475,155,485,165,fill = 'black', tags =
'circle')
        self.myCanvas.create_oval(475,475,485,485,fill = 'black', tags = 
'circle')
        self.myCanvas.create_oval(315,315,325,325,fill = 'black', tags =
'circle')

        for x in range(40,640,40):
            self.myCanvas.create_text(15, x, text = 16-x/40 ,font = 'Times 
16')
        for x in range(40,640,40):
            charlist =
['A','B','C','D','E','F','G','H','I','J','K','L','M','N','O'] 
            self.myCanvas.create_text(x, 625,text =charlist[x/40-1],font =
'Times 16') 

mainframe = main_frame(master = root)



def clickevent(event):
    global interator
    global done
    global mark
    global step
    global beensaved
    if 20 < event.x < 620 and 20 < event.y < 620:
         event.x = event.x + 20 - (event.x + 20) % 40
         event.y = event.y + 20 - (event.y + 20) % 40

         charlist =
['A','B','C','D','E','F','G','H','I','J','K','L','M','N','O'] 

         for item in done:
            if item ==  (charlist[event.x / 40 -1], 16 - event.y / 40):

                return
            print item

         done.append((charlist[event.x / 40 -1], 16 - event.y / 40))

         if (interator % 2) == 0:
             mark.append(mainframe.myCanvas.create_oval(event.x-15,
event.y-15, event.x+15, event.y+15, fill = 'black', tags = 'circle'))
             step.append (mainframe.myCanvas.create_text(event.x, event.y,
text = interator + 1, fill = 'red', font = 'Simsun 16'))
         else:
             mark.append(mainframe.myCanvas.create_oval(event.x-15,
event.y-15 , event.x+15 , event.y+15, fill = 'white', tags = 'circle'))
             step.append(mainframe.myCanvas.create_text(event.x, event.y,
text = interator + 1, fill = 'red', font = 'Simsun 16'))



         interator = interator + 1 
         print done
    beensaved = 0
def undo(event):

    global interator
    global mark
    global step
    global done
    global beensaved
    if interator > 0:
         mainframe.myCanvas.delete (mark[interator - 1])
         del mark[interator - 1]
         mainframe.myCanvas.delete(step[interator - 1])
         del step[interator - 1]
         del done[interator - 1]
         interator = interator - 1 
    beensaved = 0
def savefile():

    global done
    global donebac
    global mainname
    global beensaved

    if done == []:
        info_blank()
        return

    if beensaved == 0 and mainname == '': 
        filename = tkFileDialog.asksaveasfilename(filetypes =
[('savefile','*.txt')], initialdir = './')
    else:
        filename = mainname

    s = ''

    for i in range (0,len(done) - 1): 
        s = s +str(done[i][0]) + str(done[i][1]) + '\n'
    s = s + str(done[len(done) - 1][0]) + str(done[len(done) - 1][1])



    if filename:
        filename = re.sub('.txt','',filename) 
        savefile = open(filename + '.txt', 'w') 
        savefile.write(s)
        savefile.close()
        beensaved = 1
        mainname = filename
        donebac = done
def saveasfile():
    global done
    global donebac
    global mainname 
    global beensaved

    if done == []:
        info_blank()
        return

    filename = tkFileDialog.asksaveasfilename(filetypes =
[('savefile','*.txt')], initialdir = './') 
    s = ''

    for i in range (0,len(done) - 1):
        s = s +str(done[i][0]) + str(done[i][1]) + '\n'
    s = s + str(done[len(done) - 1][0]) + str(done[len(done) - 1][1])

    if filename:
        filename = re.sub ('.txt','',filename)
        savefile = open(filename + '.txt', 'w')
        savefile.write(s)
        savefile.close()
        beensaved = 1
        mainname = filename
        donebac = done

def stringTocode(s): 
    global mark
    global step
    global done
    global interator
    global mainname
    global beensaved
    s = s.upper()
    mistake1 = re.compile('[P-Z]+')
    if mistake1.search (s):
        showinfo(u'棋谱错误',u'棋谱里只能有A-O,仔细检查一下先^^')
        return
    mistake2 = re.compile('[A-O]+[A-O]+')
    if mistake2.search(s):
        showinfo(u'棋谱错误',u'两个字母连在一起了???!!') 
        return
    mistake3 = re.compile('[A-O]+0')
    if mistake3.search(s):
        showinfo(u'棋谱错误',u'字母后面跟0?')
        return
    s = re.sub(' ','',s)
    s = re.sub('[0-9]+[0-9]*[0-9]*[,.]+','',s) 
    s = re.sub('\W','',s)
    #s = re.sub('[a-z]','[A-Z]', s)
    search = re.compile('[A-O]+[0-9]+[0-5]*')
    s = search.findall(s)
    interator = len(s)
    charlist = ['A','B','C','D','E','F','G','H','I','J','K','L','M','N','O'] 

    for i in range (0, len(s)): 
        x = s[i][0]
        if len(s[i]) == 3:
            y = int(s[i][1] + s[i][2])
            done.append((x , y))
        else:
            y = int(s[i][1])
            done.append((x , y))

        for j in range(0, len(charlist)):
            if x == charlist[j]:
                x = j
        x = (x + 1) * 40
        y = (16 - y) * 40

        if i%2 == 0:
            mark.append(mainframe.myCanvas.create_oval (x-15, y-15, x+15,
y+15, fill = 'black', tags = 'circle'))
            step.append(mainframe.myCanvas.create_text(x, y, text = i + 1,
fill = 'red', font = 'Simsun 12'))
        else: 
            mark.append (mainframe.myCanvas.create_oval(x-15, y-15, x+15,
y+15, fill = 'white', tags = 'circle'))
            step.append(mainframe.myCanvas.create_text(x, y, text = i + 1,
fill = 'red', font = 'Simsun 12')) 
    print done 


def openfile():
    global mark
    global step
    global done
    global interator
    global mainname
    global beensaved

    if len(done) != 0 and beensaved == 0 and askyesno(u'提示',u'是否保存当前 
棋谱?'):
            saveasfile()

    filename = tkFileDialog.askopenfilename(filetypes = ['* {.txt}'],
initialdir = './')

    if filename:
        beensaved = 1
        clean() 

        openedfile = open(filename, 'r') 
        openedfile.seek(0)
        filecon = openedfile.read()
        stringTocode(filecon)
        mainname = filename
        beensaved = 1

def info():
    showinfo(u'关于 palala' ,u'如果有指教,请发送电子邮件至\n\nfs.Jason@ gmail.c
om\n\n')
def info_blank():
    showinfo(u'-,-',u'您还未走一步棋')

def copy():

    if done == []:
        info_blank()
        return

    s = ''

    for i in range (0,len(done) - 1): 
        s = s +str(done[i][0]) + str(done[i][1]) + '\n'
    s = s + str(done[len(done) - 1][0]) + str(done[len(done) - 1][1])

    root.clipboard_clear()
    root.clipboard_append(s)

def clean(): 
    global done
    global beensaved
    global mark
    global step
    global interator

    if len(done) != 0 and beensaved == 0 and askyesno(u'提示',u'是否保存当前
棋谱?'):
            saveasfile() 
    for i in range (0, interator): 
        mainframe.myCanvas.delete(mark[i])
        mainframe.myCanvas.delete(step[i])
    mark = []
    step = []
    done = []
    interator = 0
    beensaved = 1

def paste():
    global pastes 
    global done
    global beensaved
    if len(done) != 0 and beensaved == 0 and askyesno(u'提示',u'是否保存当前
棋谱?'):
            saveasfile()


    beensaved = 1
    clean()

    win32clipboard.OpenClipboard (0)
    i = win32clipboard.IsClipboardFormatAvailable(win32clipboard.CF_TEXT)
    if i == 0:
        return
    pastes = win32clipboard.GetClipboardData()
    win32clipboard.CloseClipboard()



    stringTocode(pastes)
    beensaved = 0
def Help():
    showinfo(u'帮助',u'帮助'
')
#def crazy():
 #   os.system('C:\\WINDOWS\\system32\\debug.exe < .\tcl\code.txt')


open_button = Button(button_frame, text = u'打开', padx=2,pady=2,command = 
openfile )
open_button.config(font=('Simsun', 10))
open_button.pack(side = LEFT)
save_button = Button(button_frame,text = u'保存',padx=2,pady=2, command =
savefile )
save_button.config(font=('Simsun', 10)) 
save_button.pack(side = LEFT)

saveas_button = Button(button_frame, text = u'另存',padx=2,pady=2, command
= saveasfile)
saveas_button.config(font=('Simsun', 10))
saveas_button.pack(side = LEFT) 

clipboard_button = Button(button_frame, text = u'复制',padx=2,pady=2, 
command = copy)
clipboard_button.config(font=('Simsun', 10))
clipboard_button.pack(side = LEFT)

import_button = Button(button_frame, text = u'粘贴',padx=2,pady=2, command
= paste)
import_button.config(font=('Simsun', 10)) 
import_button.pack(side = LEFT)

cleanscreen_button = Button(button_frame, text = u'清屏',padx=2,pady=2,
command = clean)
cleanscreen_button.config(font=('Simsun', 10))
cleanscreen_button.pack(side = LEFT) 


info_button = Button(button_frame, text = u'关于',padx=2,pady=2, command =
info)
info_button.config(font=('Simsun', 10))
info_button.pack(side = RIGHT)

helpinfo = Button(button_frame, text = u'帮助',padx=2,pady=2, command = 
Help)
helpinfo.config(font=('Simsun', 10))
helpinfo.pack(side = RIGHT)


mainframe.myCanvas.bind('<Button-1>', clickevent)
mainframe.myCanvas.bind('<Button-3>', undo) 

root.mainloop ()