From 4659883ba00bd499f41f4cc1a5f96e4bdd5ac9de Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Wed, 6 Mar 2013 14:16:47 +0100
Subject: Rework pylock to behave like xlock

---
 pylock.py | 77 +++++++++++++++++++++++++++++----------------------------------
 1 file changed, 35 insertions(+), 42 deletions(-)

(limited to 'pylock.py')

diff --git a/pylock.py b/pylock.py
index be8e901..32e9149 100644
--- a/pylock.py
+++ b/pylock.py
@@ -30,33 +30,27 @@ import sys
 import os
 import pwd
 import locale
-import argparse
+import configparser
 
-from gi.repository import Gtk, Gdk, Gio
+from gi.repository import Gtk, GLib
 
 from Locker import Locker
 from LockWindow import LockWindow
-import Message
+import Selection
 import pam
 
 
-_ = locale.gettext
-
+CONFIG_FILE = '/etc/pylock.conf'
 
-def get_username():
-    return pwd.getpwuid(os.getuid())[0]
 
-
-theme = 'UzL-login'
+_ = locale.gettext
 
 
-parser = argparse.ArgumentParser(prog='pylock', description=_('GTK-based screen locker.'))
-parser.add_argument('-t', '--timeout', type=int, default=0, help=_('Start in daemon mode that will automatically activate after a given time of inactivity.'))
-parser.add_argument('-l', '--logout', type=int, default=0, help=_('Allow to logout the current user after a given time.'))
-parser.add_argument('-c', '--logout-command', help=_('Specifies the command to be called to log out a user.'))
-parser.add_argument('-u', '--username', default=get_username(), help=_('Set the name of the user that is able to unlock the screen.'))
+configParser = configparser.ConfigParser()
+configParser.read_file(open(CONFIG_FILE))
 
-args = parser.parse_args()
+config = configParser['pylock']
+username = pwd.getpwuid(os.getuid())[0]
 
 
 def handler(signum, frame):
@@ -71,66 +65,65 @@ signal.signal(signal.SIGQUIT, handler)
 locale.setlocale(locale.LC_ALL, '')
 locale.textdomain('pylock')
 
-Gtk.Settings.get_default().set_property('gtk-theme-name', theme)
+Gtk.Settings.get_default().set_property('gtk-theme-name', config['theme'])
 
 
-if Message.getSelection() != 0:
-    if args.timeout == 0:
-        Message.sendLockMessage()
-        exit(0)
-    else:
-        print('There seems to be a Pylock instance already running.', file=sys.stderr)
-        exit(1)
+def waitForSelection():
+    if Selection.get() != 0:
+        return True
+
+    Gtk.main_quit()
+    return False
+
+if Selection.get() != 0:
+    GLib.timeout_add_seconds(1, waitForSelection)
+    Gtk.main()
+    exit(0)
 
 
 window = LockWindow()
 
-if not Message.acquireSelection(window):
-    print('Unable to register for lock messages', file=sys.stderr)
+if not Selection.acquire(window):
+    print('Unable to register pylock at X server', file=sys.stderr)
+    exit(1)
 
 
 def lock(timeLeft):
-    window.updateLockMessage(args.username, timeLeft)
+    window.updateLockMessage(username, timeLeft)
     return window.lock()
 
 def logout():
     try:
-        os.system(args.logout_command)
+        os.system(config['logout_command'])
     except:
         pass
 
     window.reset(False)
 
 def updateTimeout(timeLeft):
-    window.updateLockMessage(args.username, timeLeft)
+    window.updateLockMessage(username, timeLeft)
 
-if args.logout_command is None:
-    locker = Locker(args.timeout, lock, window.unlock)
+if not ('logout_timeout' in config and 'logout_command' in config):
+    locker = Locker(lock, window.unlock)
 else:
-    locker = Locker(args.timeout, lock, window.unlock, args.logout, logout, updateTimeout)
-
-
-def _triggerLock(w, e):
-    locker.lock()
-
-window.connect('map-event', _triggerLock)
-
+    locker = Locker(lock, window.unlock, int(config['logout_timeout']), logout, updateTimeout)
 
 pamAuth = pam.pam()
 
 def tryUnlock(w, password):
-    if pamAuth.authenticate(args.username, password):
+    if pamAuth.authenticate(username, password):
         locker.unlock()
-
-        if args.timeout == 0:
-            Gtk.main_quit()
+        Gtk.main_quit()
     else:
         window.reset()
         window.setAuthMessage(pamAuth.reason)
 
     return True
 
+
 window.connect('logout', lambda w: locker.logout())
 window.connect('tryUnlock', tryUnlock)
 
+GLib.idle_add(lambda: locker.lock())
+
 Gtk.main()
-- 
cgit v1.2.3