Allow configuring pylock with command line options

Locker.py

@@ -4,7 +4,7 @@ import Idle
 
 
 class Locker(object):
-    def __init__(self, lockTimeout, doLock, doUnlock, logoutTimeout = 0, doLogout = None, updateLogoutTimeout = None):
+    def __init__(self, lockTimeout, doLock, doUnlock, logoutTimeout = None, doLogout = None, updateLogoutTimeout = None):
         self.locked = False
         self.lockTimeout = lockTimeout
         self.logoutTimeout = logoutTimeout
@@ -13,7 +13,10 @@ class Locker(object):
         self.doLogout = doLogout
         self.updateLogoutTimeout = updateLogoutTimeout
 
+        if self.lockTimeout > 0:
             GLib.timeout_add_seconds(1, self._checkLock)
+        else:
+            GLib.idle_add(self.lock)
 
     def _checkLock(self):
         if self.locked:

pylock.py

@@ -5,6 +5,7 @@ import sys
 import os
 import pwd
 import locale
+import argparse
 
 from gi.repository import Gtk, Gdk, Gio
 
@@ -14,14 +15,23 @@ from LockWindow import LockWindow
 import pam
 
 
+_ = locale.gettext
+
+
 def get_username():
     return pwd.getpwuid(os.getuid())[0]
 
 
 theme = 'UzL-login'
-timeout = 500
-logoutTimeout = 15
-username = get_username()
+
+
+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.'))
+
+args = parser.parse_args()
 
 
 def handler(signum, frame):
@@ -34,38 +44,47 @@ signal.signal(signal.SIGQUIT, handler)
 
 
 locale.setlocale(locale.LC_ALL, '')
-locale.bindtextdomain('pylock', '/home/neoraider/Devel/Python/pylock/locale')
 locale.textdomain('pylock')
 
 Gtk.Settings.get_default().set_property('gtk-theme-name', theme)
 
 
-
-
 window = LockWindow()
 
 
 def lock(timeLeft):
-    window.updateLockMessage(username, timeLeft)
+    window.updateLockMessage(args.username, timeLeft)
     window.lock()
 
 def logout():
-    exit()
+    try:
+        os.system(args.logout_command)
+    except:
+        pass
+
+    window.reset()
 
 def updateTimeout(timeLeft):
-    window.updateLockMessage(username, timeLeft)
+    window.updateLockMessage(args.username, timeLeft)
+
+if args.logout_command is None:
+    locker = Locker(args.timeout, lock, window.unlock)
+else:
+    locker = Locker(args.timeout, lock, window.unlock, args.logout, logout, updateTimeout)
 
 
-locker = Locker(timeout, lock, window.unlock, logoutTimeout, logout, updateTimeout)
-
+if args.timeout != 0:
     dbus = DBus(locker)
 
 
 pamAuth = pam.pam()
 
 def tryUnlock(w, password):
-    if pamAuth.authenticate(username, password):
+    if pamAuth.authenticate(args.username, password):
         locker.unlock()
+
+        if args.timeout == 0:
+            Gtk.main_quit()
     else:
         window.reset()
         window.setAuthMessage(pamAuth.reason)