#!/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" 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='eReader eBook Conversion to PMLZ') 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='eBook PDB input file').grid(row=0, sticky=Tkconstants.E) self.pdbpath = Tkinter.Entry(body, width=50) self.pdbpath.grid(row=0, column=1, sticky=sticky) cwd = os.getcwdu() cwd = cwd.encode('utf-8') self.pdbpath.insert(0, cwd) button = Tkinter.Button(body, text="...", command=self.get_pdbpath) button.grid(row=0, column=2) Tkinter.Label(body, text='Name on CC').grid(row=1, sticky=Tkconstants.E) self.name = Tkinter.StringVar() self.nameinfo = Tkinter.Entry(body, width=40, textvariable=self.name) self.nameinfo.grid(row=1, column=1, sticky=sticky) Tkinter.Label(body, text='Last 8 digits of CC Number').grid(row=2, sticky=Tkconstants.E) self.ccnum = Tkinter.StringVar() self.ccinfo = Tkinter.Entry(body, width=10, textvariable=self.ccnum) self.ccinfo.grid(row=2, 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=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' + 'File successfully converted\n' if poll != 0: msg = text + '\n\n' + 'Error: Conversion 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 !='': if sys.platform.startswith('win'): msg = msg.replace('\r\n','\n') self.stext.insert(Tkconstants.END,msg) self.stext.yview_pickplace(Tkconstants.END) return # run erdr2pml.py as a subprocess via pipes and collect stdout def erdr(self, infile, name, ccnum): # os.putenv('PYTHONUNBUFFERED', '1') pengine = sys.executable if pengine is None or pengine == '': pengine = "python" pengine = os.path.normpath(pengine) cmdline = pengine + ' ./lib/erdr2pml.py --make-pmlz "' + infile + '" "' + name + '" ' + ccnum 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\erdr2pml.py --make-pmlz "' + infile + '" "' + name + '" ' + ccnum # else : # cmdline = 'lib\erdr2pml.py --make-pmlz "' + infile + '" "' + name + '" ' + ccnum cmdline = pengine + ' lib\\erdr2pml.py --make-pmlz "' + infile + '" "' + name + '" ' + ccnum 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_pdbpath(self): pdbpath = tkFileDialog.askopenfilename( parent=None, title='Select eReader PDB File', defaultextension='.pdb', filetypes=[('eReader eBooks', '.pdb'), ('All Files', '.*')]) if pdbpath: pdbpath = os.path.normpath(pdbpath) self.pdbpath.delete(0, Tkconstants.END) self.pdbpath.insert(0, pdbpath) 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') pdbpath = self.pdbpath.get() if not pdbpath or not os.path.exists(pdbpath): self.status['text'] = 'Specified eBook file does not exist' self.sbotton.configure(state='normal') return name = self.name.get() if not name or name == '': self.status['text'] = 'Your forgot to enter the Name on the CC' self.sbotton.configure(state='normal') return ccnum = self.ccnum.get() if not ccnum or ccnum == '': self.status['text'] = 'Your forgot to enter the last 8 digits on the CC' self.sbotton.configure(state='normal') return log = 'Command = "python erdr2pml.py --make-pmlz "\n' log += 'PDB Path = "'+ pdbpath + '"\n' log += 'Name = "' + name + '"\n' log += 'Last 8 of CC = "' + ccnum + '"\n' log += '\n\n' log += 'Please Wait ...\n' self.stext.insert(Tkconstants.END,log) self.p2 = self.erdr(pdbpath, name, ccnum) # 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('eReader PDB to PMLZ Conversion') 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())