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DeDRM_tools/ePub_Fixer/ePub_Fixer.pyw

190 lines
7.0 KiB
Python

#!/usr/bin/env python
# vim:ts=4:sw=4:softtabstop=4:smarttab:expandtab
import sys
sys.path.append('lib')
import os, os.path, urllib
import subprocess
from subprocess import Popen, PIPE, STDOUT
import subasyncio
from subasyncio import Process
import Tkinter
import Tkconstants
import tkFileDialog
import tkMessageBox
from scrolltextwidget import ScrolledText
class MainDialog(Tkinter.Frame):
def __init__(self, root):
Tkinter.Frame.__init__(self, root, border=5)
self.root = root
self.interval = 2000
self.p2 = None
self.status = Tkinter.Label(self, text='Fix Improper ePubs')
self.status.pack(fill=Tkconstants.X, expand=1)
body = Tkinter.Frame(self)
body.pack(fill=Tkconstants.X, expand=1)
sticky = Tkconstants.E + Tkconstants.W
body.grid_columnconfigure(1, weight=2)
Tkinter.Label(body, text='ePub input file').grid(row=0, sticky=Tkconstants.E)
self.epubpath = Tkinter.Entry(body, width=50)
self.epubpath.grid(row=0, column=1, sticky=sticky)
cwd = os.getcwdu()
cwd = cwd.encode('utf-8')
self.epubpath.insert(0, cwd)
button = Tkinter.Button(body, text="...", command=self.get_epubpath)
button.grid(row=0, column=2)
Tkinter.Label(body, text='Directory to store fixed ePub in').grid(row=1, sticky=Tkconstants.E)
self.outpath = Tkinter.Entry(body, width=50)
self.outpath.grid(row=1, column=1, sticky=sticky)
cwd = os.getcwdu()
cwd = cwd.encode('utf-8')
outname = cwd
self.outpath.insert(0, outname)
button = Tkinter.Button(body, text="...", command=self.get_outpath)
button.grid(row=1, column=2)
msg1 = 'Log \n\n'
self.stext = ScrolledText(body, bd=5, relief=Tkconstants.RIDGE, height=15, width=60, wrap=Tkconstants.WORD)
self.stext.grid(row=2, column=0, columnspan=2,sticky=sticky)
self.stext.insert(Tkconstants.END,msg1)
buttons = Tkinter.Frame(self)
buttons.pack()
self.sbotton = Tkinter.Button(
buttons, text="Start", width=10, command=self.fixit)
self.sbotton.pack(side=Tkconstants.LEFT)
Tkinter.Frame(buttons, width=10).pack(side=Tkconstants.LEFT)
self.qbutton = Tkinter.Button(
buttons, text="Quit", width=10, command=self.quitting)
self.qbutton.pack(side=Tkconstants.RIGHT)
# read from subprocess pipe without blocking
# invoked every interval via the widget "after"
# option being used, so need to reset it for the next time
def processPipe(self):
poll = self.p2.wait('nowait')
if poll != None:
text = self.p2.readerr()
text += self.p2.read()
msg = text + '\n\n' + 'ePub successfully fixed\n'
if poll != 0:
msg = text + '\n\n' + 'Error: ePub Fixing Failed\n'
self.showCmdOutput(msg)
self.p2 = None
self.sbotton.configure(state='normal')
return
text = self.p2.readerr()
text += self.p2.read()
self.showCmdOutput(text)
# make sure we get invoked again by event loop after interval
self.stext.after(self.interval,self.processPipe)
return
# post output from subprocess in scrolled text widget
def showCmdOutput(self, msg):
if msg and msg !='':
msg = msg.encode('utf-8')
self.stext.insert(Tkconstants.END,msg)
self.stext.yview_pickplace(Tkconstants.END)
return
# run as a subprocess via pipes and collect stdout
def zipfixrdr(self, infile, outfile):
# os.putenv('PYTHONUNBUFFERED', '1')
cmdline = 'python ./lib/zipfix.py "' + infile + '" "' + outfile + '"'
if sys.platform[0:3] == 'win':
search_path = os.environ['PATH']
search_path = search_path.lower()
if search_path.find('python') >= 0:
cmdline = 'python lib\zipfix.py "' + infile + '" "' + outfile + '"'
else :
cmdline = 'lib\zipfix.py "' + infile + '" "' + outfile + '"'
cmdline = cmdline.encode(sys.getfilesystemencoding())
p2 = Process(cmdline, shell=True, bufsize=1, stdin=None, stdout=PIPE, stderr=PIPE, close_fds=False)
return p2
def get_epubpath(self):
epubpath = tkFileDialog.askopenfilename(
parent=None, title='Select ePub to be Fixed',
defaultextension='.epub', filetypes=[('ePub eBook File', '.epub'), ('Zip File', '.zip'),('All Files', '.*')])
if epubpath:
epubpath = os.path.normpath(epubpath)
self.epubpath.delete(0, Tkconstants.END)
self.epubpath.insert(0, epubpath)
return
def get_outpath(self):
cwd = os.getcwdu()
cwd = cwd.encode('utf-8')
outpath = tkFileDialog.askdirectory(
parent=None, title='Directory to Store Fixed ePub into',
initialdir=cwd, initialfile=None)
if outpath:
outpath = os.path.normpath(outpath)
self.outpath.delete(0, Tkconstants.END)
self.outpath.insert(0, outpath)
return
def quitting(self):
# kill any still running subprocess
if self.p2 != None:
if (self.p2.wait('nowait') == None):
self.p2.terminate()
self.root.destroy()
# actually ready to run the subprocess and get its output
def fixit(self):
# now disable the button to prevent multiple launches
self.sbotton.configure(state='disabled')
epubpath = self.epubpath.get()
outpath = self.outpath.get()
if not epubpath or not os.path.exists(epubpath):
self.status['text'] = 'Specified ePub eBook file does not exist'
self.sbotton.configure(state='normal')
return
if not outpath:
self.status['text'] = 'Error specified output directory does not exist'
self.sbotton.configure(state='normal')
return
# default output file name to be input file name + '_fixed.epub'
initname = os.path.splitext(os.path.basename(epubpath))[0]
initname += '_fixed.epub'
outpath += os.sep + initname
log = 'Command = "python zipfix.py"\n'
log += 'ePub Path = "'+ epubpath + '"\n'
log += 'Output File = "' + outpath + '"\n'
log += '\n\n'
log += 'Please Wait ...\n\n'
log = log.encode('utf-8')
self.stext.insert(Tkconstants.END,log)
self.p2 = self.zipfixrdr(epubpath, outpath)
# python does not seem to allow you to create
# your own eventloop which every other gui does - strange
# so need to use the widget "after" command to force
# event loop to run non-gui events every interval
self.stext.after(self.interval,self.processPipe)
return
def main(argv=None):
root = Tkinter.Tk()
root.title('Fix Incorrect ePubs')
root.resizable(True, False)
root.minsize(300, 0)
MainDialog(root).pack(fill=Tkconstants.X, expand=1)
root.mainloop()
return 0
if __name__ == "__main__":
sys.exit(main())