from tkinter import * # widgets and presets
from tkinter.filedialog import askopenfilename # file selector dialog
def makeFormRow(parent, label, width=15, browse=True, extend=False):
var = StringVar()
row = Frame(parent)
lab = Label(row, text=label + '?', relief=RIDGE, width=width)
ent = Entry(row, relief=SUNKEN, textvariable=var)
row.pack(fill=X) # uses packed row frames
lab.pack(side=LEFT) # and fixed-width labels
ent.pack(side=LEFT, expand=YES, fill=X) # or use grid(row, col)
if browse:
btn = Button(row, text='browse...')
btn.pack(side=RIGHT)
if not extend:
btn.config(command=
lambda: var.set(askopenfilename() or var.get()) )
else:
btn.config(command=
lambda: var.set(var.get() + ' ' + askopenfilename()) )
return var
pack text files into a single file with separator lines (simple archive)
import sys, glob
marker = ':' * 20 + 'textpak=>' # hopefully unique separator
def pack(ofile, ifiles):
output = open(ofile, 'w')
for name in ifiles:
print('packing:', name)
input = open(name, 'r').read() # open the next input file
if input[-1] != '\n': input += '\n' # make sure it has endline
output.write(marker + name + '\n') # write a separator line
output.write(input) # and write the file's contents
mlen = len(marker) # filenames after markers
def unpack(ifile, prefix='new-'):
for line in open(ifile): # for all input lines
if line[:mlen] != marker:
output.write(line) # write real lines
else:
name = prefix + line[mlen:-1] # or make new output
print('creating:', name)
output = open(name, 'w')
popup a GUI dialog for packer script arguments, and run it
from glob import glob # filename expansion
from tkinter import * # GUI widget stuff
def packDialog(): # a new top-level window
win = Toplevel() # with 2 row frames + ok button
win.title('Enter Pack Parameters')
var1 = makeFormRow(win, label='Output file')
var2 = makeFormRow(win, label='Files to pack', extend=True)
Button(win, text='OK', command=win.destroy).pack()
win.grab_set()
win.focus_set() # go modal: mouse grab, keyboard focus, wait
win.wait_window() # wait till destroy; else returns now
return var1.get(), var2.get() # fetch linked var values
def runPackDialog():
output, patterns = packDialog() # pop-up GUI dialog
if output != "" and patterns != "": # till ok or wm-destroy
patterns = patterns.split() # do non-GUI part now
filenames = []
for sublist in map(glob, patterns): # do expansion manually
filenames += sublist # Unix shells do this auto
print('Packer:', output, filenames)
pack(ofile=output, ifiles=filenames) # should show msgs in GUI too
if name == 'main':
root = Tk()
Button(root, text='popup', command=runPackDialog).pack(fill=X)
Button(root, text='bye', command=root.quit).pack(fill=X)
root.mainloop()
//解压文件
popup a GUI dialog for unpacker script arguments, and run it
from tkinter import * # widget classes
def unpackDialog():
win = Toplevel()
win.title('Enter Unpack Parameters')
var = makeFormRow(win, label='Input file', width=11)
win.bind('<Key-Return>', lambda event: win.destroy())
win.grab_set()
win.focus_set() # make myself modal
win.wait_window() # till I'm destroyed on return
return var.get() # or closed by wm action
def runUnpackDialog():
input = unpackDialog() # get input from GUI
if input != '': # do non-GUI file stuff
print('Unpacker:', input) # run with input from dialog
unpack(ifile=input, prefix='')
if name == "main":
Button(None, text='popup', command=runUnpackDialog).pack()
mainloop()
