DeDRM_tools/Other_Tools/ePub_Fixer/ePub_Fixer.pyw

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#!/usr/bin/env python
# vim:ts=4:sw=4:softtabstop=4:smarttab:expandtab
import sys
sys.path.append('lib')
import os, os.path, urllib
os.environ['PYTHONIOENCODING'] = "utf-8"
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import subprocess
from subprocess import Popen, PIPE, STDOUT
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import subasyncio
from subasyncio import Process
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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
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self.status = Tkinter.Label(self, text='Fix Improper ePubs')
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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)
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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)
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cwd = os.getcwdu()
cwd = cwd.encode('utf-8')
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self.epubpath.insert(0, cwd)
button = Tkinter.Button(body, text="...", command=self.get_epubpath)
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button.grid(row=0, column=2)
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Tkinter.Label(body, text='Directory to store fixed ePub in').grid(row=1, sticky=Tkconstants.E)
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self.outpath = Tkinter.Entry(body, width=50)
self.outpath.grid(row=1, column=1, sticky=sticky)
cwd = os.getcwdu()
cwd = cwd.encode('utf-8')
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outname = cwd
self.outpath.insert(0, outname)
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button = Tkinter.Button(body, text="...", command=self.get_outpath)
button.grid(row=1, column=2)
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msg1 = 'Log \n\n'
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self.stext = ScrolledText(body, bd=5, relief=Tkconstants.RIDGE, height=15, width=60, wrap=Tkconstants.WORD)
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self.stext.grid(row=2, column=0, columnspan=2,sticky=sticky)
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self.stext.insert(Tkconstants.END,msg1)
buttons = Tkinter.Frame(self)
buttons.pack()
self.sbotton = Tkinter.Button(
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buttons, text="Start", width=10, command=self.fixit)
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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()
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msg = text + '\n\n' + 'ePub successfully fixed\n'
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if poll != 0:
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msg = text + '\n\n' + 'Error: ePub Fixing Failed\n'
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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 !='':
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if sys.platform.startswith('win'):
msg = msg.replace('\r\n','\n')
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self.stext.insert(Tkconstants.END,msg)
self.stext.yview_pickplace(Tkconstants.END)
return
# run as a subprocess via pipes and collect stdout
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def zipfixrdr(self, infile, outfile):
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# os.putenv('PYTHONUNBUFFERED', '1')
pengine = sys.executable
if pengine is None or pengine == '':
pengine = "python"
pengine = os.path.normpath(pengine)
cmdline = pengine + ' ./lib/zipfix.py "' + infile + '" "' + outfile + '"'
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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 = pengine + ' lib\\zipfix.py "' + infile + '" "' + outfile + '"'
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cmdline = cmdline.encode(sys.getfilesystemencoding())
p2 = Process(cmdline, shell=True, bufsize=1, stdin=None, stdout=PIPE, stderr=PIPE, close_fds=False)
return p2
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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)
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return
def get_outpath(self):
cwd = os.getcwdu()
cwd = cwd.encode('utf-8')
outpath = tkFileDialog.askdirectory(
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parent=None, title='Directory to Store Fixed ePub into',
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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
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def fixit(self):
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# now disable the button to prevent multiple launches
self.sbotton.configure(state='disabled')
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epubpath = self.epubpath.get()
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outpath = self.outpath.get()
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if not epubpath or not os.path.exists(epubpath):
self.status['text'] = 'Specified ePub eBook file does not exist'
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self.sbotton.configure(state='normal')
return
if not outpath:
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self.status['text'] = 'Error specified output directory does not exist'
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self.sbotton.configure(state='normal')
return
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# 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'
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log += '\n\n'
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log += 'Please Wait ...\n\n'
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self.stext.insert(Tkconstants.END,log)
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self.p2 = self.zipfixrdr(epubpath, outpath)
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# 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()
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root.title('Fix Incorrect ePubs')
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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())