#!/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())