added processes option to command line and config file

Also the config file parser now just looks for all Settings objects in
settingsDefinitions.py, not the items in __all__

overviewer_core/configParser.py

@@ -27,9 +27,10 @@ class MultiWorldParser(object):
         # This maps setting names to their values as given in
         # settingsDefinition.py
         self._settings = {}
-        for settingname in settingsDefinition.__all__:
+        for settingname in dir(settingsDefinition):
             setting = getattr(settingsDefinition, settingname)
-            assert isinstance(setting, settingsValidators.Setting)
+            if not isinstance(setting, settingsValidators.Setting):
+                continue
 
             self._settings[settingname] = setting
             

overviewer_core/dispatcher.py

@@ -19,6 +19,7 @@ import multiprocessing.managers
 import cPickle as pickle
 import Queue
 import time
+import logging
 
 from signals import Signal
 

overviewer_core/settingsDefinition.py

@@ -45,11 +45,6 @@
 
 from settingsValidators import *
 
-# This is the export list for this module. It defines which items defined in
-# this module are recognized by the config parser. Don't forget to update this
-# if you add new items!
-__all__ = ['render', 'world', 'outputdir']
-
 # render is a dictionary mapping strings to dicts. These dicts describe the
 # configuration for that render. Therefore, the validator for 'render' is set
 # to a dict validator configured to validate keys as strings and values as...
@@ -87,3 +82,4 @@ world = Setting(required=True, validator=make_dictValidator(validateStr, validat
 
 outputdir = Setting(required=True, validator=validateOutputDir, default=None)
 
+processes = Setting(required=True, validator=int, default=-1)