Cleanup the logs stuff a bit.

shell/Makefile.am

@@ -3,7 +3,8 @@ SUBDIRS = hardware model view intro
 bin_SCRIPTS = sugar-shell
 
 sugardir = $(pkgdatadir)/shell
-sugar_PYTHON =				\
+sugar_PYTHON =			\
+	logsmanager.py		\
 	shellservice.py
 
 confdir = $(pkgdatadir)/shell

shell/logsmanager.py

@@ -0,0 +1,54 @@
+# Copyright (C) 2007 Red Hat, Inc.
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2 of the License, or (at your option) any later version.
+#
+# This library 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
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the
+# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+
+import os
+import time
+
+from sugar import env
+
+_MAX_BACKUP_DIRS = 3
+
+def setup():
+    logs_dir = env.get_logs_path()
+    if not os.path.isdir(logs_dir):
+        os.makedirs(logs_dir)
+
+    backup_logs = []
+    backup_dirs = []
+    for f in os.listdir(logs_dir):
+        path = os.path.join(logs_dir, f)
+        if os.path.isfile(path):
+            backup_logs.append(f)
+        elif os.path.isdir(path):
+            backup_dirs.append(path)    
+
+    if len(backup_dirs) > _MAX_BACKUP_DIRS:
+        backup_dirs.sort()
+        root = backup_dirs[0]
+        for f in os.listdir(root):
+            os.remove(os.path.join(root, f))
+        os.rmdir(root)
+
+    if len(backup_logs) > 0:
+        name = str(int(time.time()))
+        backup_dir = os.path.join(logs_dir, name)
+        os.mkdir(backup_dir)
+        for log in backup_logs:
+            source_path = os.path.join(logs_dir, log)
+            dest_path = os.path.join(backup_dir, log)
+            os.rename(source_path, dest_path)
+

shell/sugar-shell

@@ -19,6 +19,7 @@ import sys
 import os
 from ConfigParser import ConfigParser
 import gettext
+import signal
 
 import pygtk
 pygtk.require('2.0')
@@ -37,6 +38,7 @@ from model.shellmodel import ShellModel
 from shellservice import ShellService
 from hardware import hardwaremanager
 from intro import intro
+import logsmanager
 
 def _start_matchbox():
     cmd = ['matchbox-window-manager']
@@ -94,7 +96,7 @@ def _shell_started_cb():
 def main():
     gobject.idle_add(_shell_started_cb)
 
-    logger.setup_logs_dir()
+    logsmanager.setup()
     logger.start('shell')
 
     _save_session_info()
@@ -110,6 +112,9 @@ def main():
         win.show_all()
         gtk.main()
 
+    # FIXME avoid zombie activity processes
+    signal.signal(signal.SIGCHLD, signal.SIG_IGN)
+
     if os.environ.has_key("SUGAR_TP_DEBUG"):
         # Allow the user time to start up telepathy connection managers
         # using the Sugar DBus bus address