tools v2.2
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Apprentice Alf
189
ePub_Fixer/ePub_Fixer.pyw
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189
ePub_Fixer/ePub_Fixer.pyw
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#!/usr/bin/env python
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# vim:ts=4:sw=4:softtabstop=4:smarttab:expandtab
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import sys
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sys.path.append('lib')
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import os, os.path, urllib
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import subprocess
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from subprocess import Popen, PIPE, STDOUT
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import subasyncio
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from subasyncio import Process
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import Tkinter
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import Tkconstants
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import tkFileDialog
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import tkMessageBox
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from scrolltextwidget import ScrolledText
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class MainDialog(Tkinter.Frame):
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def __init__(self, root):
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Tkinter.Frame.__init__(self, root, border=5)
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self.root = root
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self.interval = 2000
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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)
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body = Tkinter.Frame(self)
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body.pack(fill=Tkconstants.X, expand=1)
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sticky = Tkconstants.E + Tkconstants.W
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body.grid_columnconfigure(1, weight=2)
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Tkinter.Label(body, text='ePub input file').grid(row=0, sticky=Tkconstants.E)
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self.epubpath = Tkinter.Entry(body, width=50)
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self.epubpath.grid(row=0, column=1, sticky=sticky)
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cwd = os.getcwdu()
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cwd = cwd.encode('utf-8')
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self.epubpath.insert(0, cwd)
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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)
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self.outpath.grid(row=1, column=1, sticky=sticky)
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cwd = os.getcwdu()
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cwd = cwd.encode('utf-8')
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outname = cwd
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self.outpath.insert(0, outname)
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button = Tkinter.Button(body, text="...", command=self.get_outpath)
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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)
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buttons = Tkinter.Frame(self)
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buttons.pack()
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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)
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Tkinter.Frame(buttons, width=10).pack(side=Tkconstants.LEFT)
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self.qbutton = Tkinter.Button(
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buttons, text="Quit", width=10, command=self.quitting)
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self.qbutton.pack(side=Tkconstants.RIGHT)
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# read from subprocess pipe without blocking
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# invoked every interval via the widget "after"
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# option being used, so need to reset it for the next time
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def processPipe(self):
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poll = self.p2.wait('nowait')
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if poll != None:
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text = self.p2.readerr()
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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)
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self.p2 = None
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self.sbotton.configure(state='normal')
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return
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text = self.p2.readerr()
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text += self.p2.read()
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self.showCmdOutput(text)
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# make sure we get invoked again by event loop after interval
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self.stext.after(self.interval,self.processPipe)
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return
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# post output from subprocess in scrolled text widget
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def showCmdOutput(self, msg):
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if msg and msg !='':
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msg = msg.encode('utf-8')
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self.stext.insert(Tkconstants.END,msg)
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self.stext.yview_pickplace(Tkconstants.END)
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return
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# 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')
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cmdline = 'python ./lib/zipfix.py "' + infile + '" "' + outfile + '"'
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if sys.platform[0:3] == 'win':
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search_path = os.environ['PATH']
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search_path = search_path.lower()
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if search_path.find('python') >= 0:
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cmdline = 'python lib\zipfix.py "' + infile + '" "' + outfile + '"'
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else :
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cmdline = 'lib\zipfix.py "' + infile + '" "' + outfile + '"'
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cmdline = cmdline.encode(sys.getfilesystemencoding())
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p2 = Process(cmdline, shell=True, bufsize=1, stdin=None, stdout=PIPE, stderr=PIPE, close_fds=False)
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return p2
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def get_epubpath(self):
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epubpath = tkFileDialog.askopenfilename(
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parent=None, title='Select ePub to be Fixed',
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defaultextension='.epub', filetypes=[('ePub eBook File', '.epub'), ('Zip File', '.zip'),('All Files', '.*')])
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if epubpath:
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epubpath = os.path.normpath(epubpath)
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self.epubpath.delete(0, Tkconstants.END)
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self.epubpath.insert(0, epubpath)
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return
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def get_outpath(self):
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cwd = os.getcwdu()
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cwd = cwd.encode('utf-8')
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outpath = tkFileDialog.askdirectory(
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parent=None, title='Directory to Store Fixed ePub into',
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initialdir=cwd, initialfile=None)
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if outpath:
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outpath = os.path.normpath(outpath)
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self.outpath.delete(0, Tkconstants.END)
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self.outpath.insert(0, outpath)
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return
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def quitting(self):
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# kill any still running subprocess
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if self.p2 != None:
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if (self.p2.wait('nowait') == None):
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self.p2.terminate()
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self.root.destroy()
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# 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
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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):
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self.status['text'] = 'Specified ePub eBook file does not exist'
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self.sbotton.configure(state='normal')
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return
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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')
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return
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# default output file name to be input file name + '_fixed.epub'
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initname = os.path.splitext(os.path.basename(epubpath))[0]
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initname += '_fixed.epub'
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outpath += os.sep + initname
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log = 'Command = "python zipfix.py"\n'
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log += 'ePub Path = "'+ epubpath + '"\n'
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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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log = log.encode('utf-8')
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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
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# your own eventloop which every other gui does - strange
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# so need to use the widget "after" command to force
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# event loop to run non-gui events every interval
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self.stext.after(self.interval,self.processPipe)
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return
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def main(argv=None):
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root = Tkinter.Tk()
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root.title('Fix Incorrect ePubs')
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root.resizable(True, False)
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root.minsize(300, 0)
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MainDialog(root).pack(fill=Tkconstants.X, expand=1)
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root.mainloop()
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return 0
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if __name__ == "__main__":
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sys.exit(main())
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