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#
# class to create an IP address entry widget and to sanity check entered values
#
# Jonathan Blandford <jrb@redhat.com>
# Michael Fulbright <msf@redhat.com>
#
# Copyright 2002 Red Hat, Inc.
#
# This software may be freely redistributed under the terms of the GNU
# library public license.
#
# You should have received a copy of the GNU Library Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
import re
import string
import gettext
import gtk
import gobject
import gui
import network
from rhpl.translate import _, N_
ip_fields = ['entry1', 'entry2', 'entry3', 'entry4']
# Includes an error message, and the widget with problems
class IPError(Exception):
pass
class IPMissing(Exception):
pass
class IPEditor:
def __init__ (self):
self.entrys = {}
for name in ip_fields:
self.entrys[name] = gtk.Entry(3)
self.entrys[name].set_size_request(50,-1)
self.entrys[name].set_max_length(3)
for i in range(0, len(ip_fields)):
name = ip_fields[i]
if name != 'entry4':
nname = self.entrys[ip_fields[i+1]]
else:
nname = None
self.entrys[name].connect('insert_text', self.entry_insert_text_cb, nname)
hbox = gtk.HBox()
for name in ip_fields:
hbox.pack_start(self.entrys[name], False, False)
if name != 'entry4':
hbox.pack_start(gtk.Label('.'), False, False)
self.widget = hbox
def getWidget(self):
return self.widget
def getFocusableWidget(self):
return self.entrys['entry1']
def clear_entries (self):
for name in ip_fields:
self.entrys[name].set_text('')
def hydrate (self, ip_string):
self.clear_entries()
octets = network.sanityCheckIPString(ip_string)
if octets is None:
return
i = 0
for name in ip_fields:
self.entrys[name].set_text(octets[i])
i = i + 1
def dehydrate (self):
widget = None
# test if empty
empty = 1
for e in ['entry1', 'entry2', 'entry3', 'entry4']:
if len(string.strip(self.entrys[e].get_text())) > 0:
empty = 0
break
if empty:
raise IPMissing, (_("IP Address is missing"), widget)
try:
widget = self.entrys['entry1']
if int(widget.get_text()) > 255 or int(widget.get_text()) <= 0:
raise IPError, (_("IP Addresses must contain numbers between 1 and 255"), widget)
for ent in ['entry2', 'entry3', 'entry4']:
widget = self.entrys[ent]
if int(widget.get_text()) > 255:
raise IPError, (_("IP Addresses must contain numbers between 0 and 255"), widget)
except ValueError, msg:
raise IPError, (_("IP Addresses must contain numbers between 0 and 255"), widget)
return self.entrys['entry1'].get_text() + "." + self.entrys['entry2'].get_text() + "." +self.entrys['entry3'].get_text() + "." +self.entrys['entry4'].get_text()
def entry_insert_text_cb(self, entry, text, length, pos, next):
if text == '.':
entry.emit_stop_by_name ("insert_text")
if next:
next.grab_focus()
return
reg = re.compile ("[^0-9]+")
if reg.match (text):
entry.emit_stop_by_name ("insert_text")
if __name__ == "__main__":
def output(xxx, data):
try:
print data.dehydrate()
except:
print "oops errors"
gtk.mainquit()
win = gtk.Window()
win.connect('destroy', gtk.mainquit)
vbox = gtk.VBox()
ip = IPEditor()
vbox = gtk.VBox()
vbox.pack_start(ip.getWidget())
button = gtk.Button("Quit")
button.connect("pressed", output, ip)
vbox.pack_start(button, False, False)
win.add(vbox)
win.show_all()
gtk.main()
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