#!/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='Remove Encryption from a K4PC eBook') 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='K4PC eBook input file').grid(row=0, sticky=Tkconstants.E) self.mobipath = Tkinter.Entry(body, width=50) self.mobipath.grid(row=0, column=1, sticky=sticky) cwd = os.getcwdu() cwd = cwd.encode('utf-8') self.mobipath.insert(0, cwd) button = Tkinter.Button(body, text="...", command=self.get_mobipath) button.grid(row=0, column=2) Tkinter.Label(body, text='Name for Unencrypted Output File').grid(row=1, sticky=Tkconstants.E) self.outpath = Tkinter.Entry(body, width=50) self.outpath.grid(row=1, column=1, sticky=sticky) self.outpath.insert(0, '') button = Tkinter.Button(body, text="...", command=self.get_outpath) button.grid(row=1, column=2) msg1 = 'Conversion Log \n\n' self.stext = ScrolledText(body, bd=5, relief=Tkconstants.RIDGE, height=15, width=60, wrap=Tkconstants.WORD) self.stext.grid(row=3, 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.convertit) 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' + 'Encryption successfully removed\n' if poll != 0: msg = text + '\n\n' + 'Error: Encryption Removal 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 mobirdr(self, infile, outfile): # os.putenv('PYTHONUNBUFFERED', '1') cmdline = 'python ./lib/k4pcdedrm.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\k4pcdedrm.py "' + infile + '" "' + outfile + '"' else : cmdline = 'lib\k4pcdedrm.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_mobipath(self): mobipath = tkFileDialog.askopenfilename( parent=None, title='Select K4PC eBook File', defaultextension='.prc', filetypes=[('Mobi eBook File', '.prc'), ('Mobi eBook File', '.azw'),('Mobi eBook File', '.mobi'), ('All Files', '.*')]) if mobipath: mobipath = os.path.normpath(mobipath) self.mobipath.delete(0, Tkconstants.END) self.mobipath.insert(0, mobipath) return def get_outpath(self): mobipath = self.mobipath.get() initname = os.path.basename(mobipath) p = initname.find('.') if p >= 0: initname = initname[0:p] initname += '_nodrm.mobi' outpath = tkFileDialog.asksaveasfilename( parent=None, title='Select Unencrypted Mobi File to produce', defaultextension='.mobi', initialfile=initname, filetypes=[('Mobi files', '.mobi'), ('All files', '.*')]) 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 convertit(self): # now disable the button to prevent multiple launches self.sbotton.configure(state='disabled') mobipath = self.mobipath.get() outpath = self.outpath.get() if not mobipath or not os.path.exists(mobipath): self.status['text'] = 'Specified K4PC eBook file does not exist' self.sbotton.configure(state='normal') return if not outpath: self.status['text'] = 'No output file specified' self.sbotton.configure(state='normal') return log = 'Command = "python k4pcdedrm.py"\n' log += 'K4PC Path = "'+ mobipath + '"\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.mobirdr(mobipath, 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('K4PC eBook Encryption Removal') 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())