UIBase: add a syslog ui

Rather than having an option for syslog output, make a separate UI
option.

Signed-off-by: Ben Boeckel <mathstuf@gmail.com>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>

offlineimap/ui/Noninteractive.py

@@ -17,6 +17,7 @@
 
 import logging
 from offlineimap.ui.UIBase import UIBase
+import offlineimap
 
 class Basic(UIBase):
     """'Basic' simply sets log level to INFO"""
@@ -27,3 +28,22 @@ class Quiet(UIBase):
     """'Quiet' simply sets log level to WARNING"""
     def __init__(self, config, loglevel = logging.WARNING):
         return super(Quiet, self).__init__(config, loglevel)
+
+class Syslog(UIBase):
+    """'Syslog' sets log level to INFO and outputs to syslog instead of stdout"""
+    def __init__(self, config, loglevel = logging.INFO):
+        return super(Syslog, self).__init__(config, loglevel)
+
+    def setup_consolehandler(self):
+        # create syslog handler
+        ch = logging.handlers.SysLogHandler('/dev/log')
+        # create formatter and add it to the handlers
+        self.formatter = logging.Formatter("%(message)s")
+        ch.setFormatter(self.formatter)
+        # add the handlers to the logger
+        self.logger.addHandler(ch)
+        self.logger.info(offlineimap.banner)
+        return ch
+
+    def setup_sysloghandler(self):
+        pass

offlineimap/ui/UIBase.py

@@ -16,6 +16,7 @@
 #    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 
 import logging
+import logging.handlers
 import re
 import time
 import sys
@@ -94,9 +95,8 @@ class UIBase(object):
     def setup_sysloghandler(self):
         """Backend specific syslog handler."""
 
-        # create console handler with a higher log level
-        ch = logging.SysLogHandler(sys.stdout)
-        #ch.setLevel(logging.DEBUG)
+        # create syslog handler
+        ch = logging.handlers.SysLogHandler('/dev/log')
         # create formatter and add it to the handlers
         self.formatter = logging.Formatter("%(message)s")
         ch.setFormatter(self.formatter)

offlineimap/ui/__init__.py

@@ -21,6 +21,7 @@ from offlineimap.ui import TTY, Noninteractive, Machine
 UI_LIST = {'ttyui': TTY.TTYUI,
            'basic': Noninteractive.Basic,
            'quiet': Noninteractive.Quiet,
+           'syslog': Noninteractive.Syslog,
            'machineui': Machine.MachineUI}
 
 #add Blinkenlights UI if it imports correctly (curses installed)