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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""simple gui interfaces useful in installers for asking questions etc
supported are commandline, windows, Tk variants"""
# Copyright 2002, 2003 St James Software
#
# This file is part of jToolkit.
#
# jToolkit is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# jToolkit is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with jToolkit; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
class cmdline:
"""A command-line 'gui' interface"""
def choosedirectory(self, title, initialdir):
"""asks the user for a directory"""
path = raw_input(title + "[%s] " % initialdir)
if path:
return path
else:
return initialdir
def askyesno(self, title, message):
"""asks the user a yes-no question"""
print title
response = raw_input(message + " ").lower()
if response in ("y", "yes", "1", "t", "true"):
return True
elif response in ("n", "no", "0", "f", "false"):
return False
def displaymessage(self, title, message):
"""displays a message for the user"""
print title
print message
def close(self):
"""closes the gui"""
pass
class Tkgui:
"""A Tkinter-based gui interface"""
def __init__(self):
"""This opens a gui interface if one is available"""
# this code just hides the default Tk window
from Tkinter import Tk
self.root = Tk()
self.root.withdraw()
def choosedirectory(self, title, initialdir):
"""asks the user for a directory"""
from tkFileDialog import askdirectory
path = askdirectory(title=title, initialdir=initialdir, mustexist=1)
return path
def askyesno(self, title, message):
"""asks the user a yes-no question"""
import tkMessageBox
return tkMessageBox.askyesno(title, message)
def displaymessage(self, title, message):
"""displays a message for the user"""
import tkMessageBox
tkMessageBox.showinfo(title, message)
def close(self):
"""closes the gui"""
if self.root is not None:
self.root.quit()
self.root.destroy()
self.root = None
def __del__(self):
"""make sure we're closed..."""
self.close()
class win32nativegui(cmdline):
"""A native win32 gui"""
def __init__(self):
import win32com
def choosedirectory(self, title, initialdir):
"""asks the user for a directory"""
from win32com.shell import shell
pidl, displayname, imagelist = shell.SHBrowseForFolder(0, None, title)
path = shell.SHGetPathFromIDList(pidl)
return path
def askyesno(self, title, message):
"""asks the user a yes-no question"""
import win32gui
import win32con
response = win32gui.MessageBox(0, message, title, win32con.MB_YESNO)
if response == win32con.IDYES:
return True
elif response == win32con.IDNO:
return False
def displaymessage(self, title, message):
"""displays a message for the user"""
import win32gui
import win32con
win32gui.MessageBox(0, message, title, win32con.MB_OK)
def close(self):
"""closes the gui"""
pass
guiclasses = (Tkgui, win32nativegui, cmdline)
def getgui(guioptions=None):
"""select an appropriate gui from the given options (in order of preference)"""
if guioptions is None:
guioptions = guiclasses
for guiclass in guioptions:
try:
gui = guiclass()
return gui
except:
pass
if __name__ == '__main__':
import os
for guiclass in guiclasses:
print "testing",guiclass.__name__
try:
gui = guiclass()
except Exception, error:
print "couldn't use gui..."
print error
continue
print "displaying message"
gui.displaymessage("Title", "Testing displaymessage")
response = gui.askyesno("Title", "Testing askyesno, what do you think?")
print "yesno response:", response
response = gui.choosedirectory("Testing choosedirectory", os.getcwd())
print "dir response:", response
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