#!/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 Tkinter import Tkconstants import tkFileDialog import tkMessageBox import subasyncio from subasyncio import Process 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='Extract Contents of Topaz eBook to a Directory') 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='Topaz eBook input file').grid(row=0, sticky=Tkconstants.E) self.tpzpath = Tkinter.Entry(body, width=50) self.tpzpath.grid(row=0, column=1, sticky=sticky) cwd = os.getcwdu() cwd = cwd.encode('utf-8') self.tpzpath.insert(0, cwd) button = Tkinter.Button(body, text="...", command=self.get_tpzpath) button.grid(row=0, column=2) Tkinter.Label(body, text='Output Directory').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') self.outpath.insert(0, cwd) button = Tkinter.Button(body, text="...", command=self.get_outpath) button.grid(row=1, column=2) Tkinter.Label(body, text='First 8 characters of PID').grid(row=3, sticky=Tkconstants.E) self.pidnum = Tkinter.StringVar() self.ccinfo = Tkinter.Entry(body, width=10, textvariable=self.pidnum) self.ccinfo.grid(row=3, column=1, sticky=sticky) 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=4, 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' + 'Files successfully extracted\n' if poll != 0: msg = text + '\n\n' + 'Error: File Extraction 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 topazrdr(self, infile, outdir, pidnum): # os.putenv('PYTHONUNBUFFERED', '1') pidoption = ' -p "' + pidnum + '" ' outoption = ' -o "' + outdir + '" ' cmdline = 'python ./lib/cmbtc_dump_nonK4PC.py -v -d ' + pidoption + outoption + '"' + infile + '"' 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\cmbtc_dump_nonK4PC.py -v -d ' + pidoption + outoption + '"' + infile + '"' else : cmdline = 'lib\cmbtc_dump_nonK4PC.py -v -d ' + pidoption + outoption + '"' + infile + '"' 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_tpzpath(self): tpzpath = tkFileDialog.askopenfilename( parent=None, title='Select Topaz File', defaultextension='.prc', filetypes=[('Topaz azw1', '.azw1'), ('Topaz prc', '.prc'), ('All Files', '.*')]) if tpzpath: tpzpath = os.path.normpath(tpzpath) self.tpzpath.delete(0, Tkconstants.END) self.tpzpath.insert(0, tpzpath) return def get_outpath(self): cwd = os.getcwdu() cwd = cwd.encode('utf-8') outpath = tkFileDialog.askdirectory( parent=None, title='Directory to Extract Files 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 convertit(self): # now disable the button to prevent multiple launches self.sbotton.configure(state='disabled') tpzpath = self.tpzpath.get() outpath = self.outpath.get() if not tpzpath or not os.path.exists(tpzpath): self.status['text'] = 'Specified Topaz eBook file does not exist' self.sbotton.configure(state='normal') return if not outpath: self.status['text'] = 'No output directory specified' self.sbotton.configure(state='normal') return if not os.path.exists(outpath): os.makedirs(outpath) pidnum = self.pidnum.get() if not pidnum or pidnum == '': self.status['text'] = 'You have not entered a PID ' self.sbotton.configure(state='normal') return log = 'Command = "python cmbtc_dump_nonK4PC.py"\n' log += 'Topaz Path Path = "'+ tpzpath + '"\n' log += 'Output Directory = "' + outpath + '"\n' log += 'First 8 chars of PID = "' + pidnum + '"\n' log += '\n\n' log += 'Please Wait ...\n' log = log.encode('utf-8') self.stext.insert(Tkconstants.END,log) self.p2 = self.topazrdr(tpzpath, outpath, pidnum) # 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('Topaz eBook File Extraction') 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())