#!/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 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 !='': 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 xpml2hxtml.py as a subprocess via pipes and collect stdout def pmlhtml(self, infile, outfile): # os.putenv('PYTHONUNBUFFERED', '1') pengine = sys.executable if pengine is None or pengine == '': pengine = "python" pengine = os.path.normpath(pengine) cmdline = pengine + ' ./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 = pengine + ' 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' 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())