Added a prefix to commands

README.rst

@@ -71,6 +71,9 @@ KRONOS_MANAGE
 KRONOS_PYTHONPATH
     Extra path which will be added as a ``--pythonpath`` option to the management command.
 
+KRONOS_POSTFIX
+    Extra string added at the end of the command. For dirty thinks like '> /dev/null 2>&1'
+
 Define these variables in your ``settings.py`` file if you wish to alter crontab lines.
 
 

kronos/__init__.py

@@ -1,8 +1,5 @@
 from version import __version__
 
-import os
-import sys
-
 from functools import wraps
 
 from kronos.utils import read_crontab, write_crontab, delete_crontab
@@ -13,6 +10,7 @@
 
 tasks = []
 
+
 def load():
     """
     Load ``cron`` modules for applications listed in ``INSTALLED_APPS``.
@@ -35,18 +33,20 @@ def load():
         except ImportError:
             pass
 
+
 def register(schedule):
     def decorator(function):
         global tasks
 
         tasks.append(function)
 
-        function.cron_expression = '%(schedule)s %(python)s %(manage)s runtask %(task)s --settings=%(settings_module)s' % {
+        function.cron_expression = '%(schedule)s %(python)s %(manage)s runtask %(task)s --settings=%(settings_module)s %(postfix)s' % {
             'schedule': schedule,
             'python': KRONOS_PYTHON,
             'manage': KRONOS_MANAGE,
             'task': function.__name__,
             'settings_module': settings.SETTINGS_MODULE,
+            'postfix': settings.KRONOS_POSTFIX
         }
         if KRONOS_PYTHONPATH is not None:
             function.cron_expression += ' --pythonpath=%s' % KRONOS_PYTHONPATH
@@ -58,6 +58,7 @@ def wrapper(*args, **kwargs):
 
     return decorator
 
+
 def install():
     """
     Register tasks with cron.
@@ -72,6 +73,7 @@ def install():
 
     write_crontab(current_crontab + new_crontab)
 
+
 def printtasks():
     """
     Print the tasks that would be installed in the
@@ -82,6 +84,7 @@ def printtasks():
     for task in tasks:
         print task.cron_expression
 
+
 def uninstall():
     """
     Uninstall tasks from cron.
@@ -101,6 +104,7 @@ def uninstall():
     else:
         delete_crontab()
 
+
 def reinstall():
     uninstall()
     install()

kronos/settings.py

@@ -7,3 +7,4 @@
 KRONOS_MANAGE = getattr(settings, 'KRONOS_MANAGE', '%s/manage.py' % os.getcwd())
 KRONOS_PYTHONPATH = getattr(settings, 'KRONOS_PYTHONPATH', None)
 PROJECT_MODULE = sys.modules['.'.join(settings.SETTINGS_MODULE.split('.')[:-1])]
+KRONOS_POSTFIX = getattr(settings, 'KRONOS_POSTFIX', '')