#!/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='Pml to HTML Conversion') 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 Pml input file').grid(row=0, sticky=Tkconstants.E) self.pmlpath = Tkinter.Entry(body, width=50) self.pmlpath.grid(row=0, column=1, sticky=sticky) cwd = os.getcwdu() cwd = cwd.encode('utf-8') self.pmlpath.insert(0, cwd) button = Tkinter.Button(body, text="...", command=self.get_pmlpath) button.grid(row=0, column=2) Tkinter.Label(body, text='Name for HTML 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=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.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 !='': msg = msg.encode('utf-8') self.stext.insert(Tkconstants.END,msg) self.stext.yview_pickplace(Tkconstants.END) return # run xpml2hxtml.py as a subprocess via pipes and collect stdout def pmlhtml(self, infile, outfile): # os.putenv('PYTHONUNBUFFERED', '1') cmdline = 'python ./lib/xpml2xhtml.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\\xpml2xhtml.py "' + infile + '" "' + outfile + '"' else : cmdline = 'lib\\xpml2xhtml.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_pmlpath(self): pmlpath = tkFileDialog.askopenfilename( parent=None, title='Select eBook Pml File', defaultextension='.pml', filetypes=[('eBook Pml File', '.pml'), ('All Files', '.*')]) if pmlpath: pmlpath = os.path.normpath(pmlpath) self.pmlpath.delete(0, Tkconstants.END) self.pmlpath.insert(0, pmlpath) return def get_outpath(self): pmlpath = self.pmlpath.get() initname = os.path.basename(pmlpath) p = initname.find('.') if p >= 0: initname = initname[0:p] initname += '.html' outpath = tkFileDialog.asksaveasfilename( parent=None, title='Select HTML file to produce', defaultextension='.html', initialfile=initname, filetypes=[('HTML files', '.html'), ('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') pmlpath = self.pmlpath.get() outpath = self.outpath.get() if not pmlpath or not os.path.exists(pmlpath): self.status['text'] = 'Specified eBook pml 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 xpml2xhtml.py"\n' log += 'PDB Path = "'+ pmlpath + '"\n' log += 'HTML 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.pmlhtml(pmlpath, 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('eBook Pml to HTML 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())