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# Copyright (C) 2009 Martin Owens (DoctorMO) <doctormo@gmail.com>
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Account options, these classes will display a text box.
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except ImportError: print 'No GNOME keyring, there will be problems with account options'
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from screenlets.options import _
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from base import Option
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class AccountOption(Option):
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An Option-type for username/password combos. Stores the password in
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the gnome-keyring (if available) and only saves username and auth_token
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through the screenlets-backend.
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- not create new token for any change (use "set" instead of "create" if
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the given item already exists)
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- use usual storage if no keyring is available but output warning
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- on_delete-function for removing the data from keyring when the
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Screenlet holding the option gets deleted
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def __init__(self, group, name, *attr, **args):
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super(AccountOption, self).__init__ (group, name, *attr, **args)
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# check for availability of keyring
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if not gnomekeyring.is_available():
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raise Exception('GnomeKeyring is not available!!')
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# THIS IS A WORKAROUND FOR A BUG IN KEYRING (usually we would use
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# gnomekeyring.get_default_keyring_sync() here):
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# find first available keyring
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self.keyring_list = gnomekeyring.list_keyring_names_sync()
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if len(self.keyring_list) == 0:
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raise Exception('No keyrings found. Please create one first!')
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# we prefer the default keyring
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self.keyring = gnomekeyring.get_default_keyring_sync()
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if "session" in self.keyring_list:
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print "Warning: No default keyring found, using session keyring. Storage is not permanent!"
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self.keyring = "session"
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print "Warning: Neither default nor session keyring found, assuming keyring %s!" % self.keyring_list[0]
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self.keyring = self.keyring_list[0]
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def on_import(self, strvalue):
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"""Import account info from a string (like 'username:auth_token'),.
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retrieve the password from the storage and return a tuple containing
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username and password."""
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# split string into username/auth_token
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#data = strvalue.split(':', 1)
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(name, auth_token) = strvalue.split(':', 1)
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if name and auth_token:
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# read pass from storage
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pw = gnomekeyring.item_get_info_sync(self.keyring,
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int(auth_token)).get_secret()
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print "ERROR: Unable to read password from keyring: %s" % ex
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raise Exception('Illegal value in AccountOption.on_import.')
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def on_export(self, value):
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"""Export the given tuple/list containing a username and a password. The
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function stores the password in the gnomekeyring and returns a
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string in form 'username:auth_token'."""
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# store password in storage
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attribs = dict(name=value[0])
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auth_token = gnomekeyring.item_create_sync(self.keyring,
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gnomekeyring.ITEM_GENERIC_SECRET, value[0], attribs, value[1], True)
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# build value from username and auth_token
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return value[0] + ':' + str(auth_token)
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def generate_widget(self, value):
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"""Generate a textbox for a account options"""
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self.widget = gtk.HBox()
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input_name = gtk.Entry()
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input_name.set_text(value[0])
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input_pass = gtk.Entry()
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input_pass.set_visibility(False) # password
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input_pass.set_text(value[1])
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but = gtk.Button(_('Apply'), gtk.STOCK_APPLY)
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but.connect("clicked", self.has_changed)
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but.set_tooltip_text(_('Apply username/password ...'))
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input_name.set_tooltip_text(_('Enter username here ...'))
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input_pass.set_tooltip_text(_('Enter password here ...'))
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def set_value(self, value):
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"""Set the account value as required."""
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def has_changed(self, widget):
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"""Executed when the widget event kicks off."""
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# the widget is a HBox containing a VBox containing two Entries
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# (ideally we should have a custom widget for the AccountOption)
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for c in self.widget.get_children():
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if c.__class__ == gtk.VBox:
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c2 = c.get_children()
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self.value = (c2[0].get_text(), c2[1].get_text())
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super(AccountOption, self).has_changed()
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o = AccountOption('None', 'pop3_account', ('',''), 'Username/Password', 'Enter username/password here ...')
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# save option to keyring
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exported_account = o.on_export(('RYX', 'mysecretpassword'))
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print exported_account
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# and read option back from keyring
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print o.on_import(exported_account)
added
removed
src/lib/options/account_option.py
