--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/django/conf/__init__.py	Fri Jul 18 18:22:23 2008 +0000
@@ -0,0 +1,144 @@
+"""
+Settings and configuration for Django.
+
+Values will be read from the module specified by the DJANGO_SETTINGS_MODULE environment
+variable, and then from django.conf.global_settings; see the global settings file for
+a list of all possible variables.
+"""
+
+import os
+import time     # Needed for Windows
+from django.conf import global_settings
+
+ENVIRONMENT_VARIABLE = "DJANGO_SETTINGS_MODULE"
+
+class LazySettings(object):
+    """
+    A lazy proxy for either global Django settings or a custom settings object.
+    The user can manually configure settings prior to using them. Otherwise,
+    Django uses the settings module pointed to by DJANGO_SETTINGS_MODULE.
+    """
+    def __init__(self):
+        # _target must be either None or something that supports attribute
+        # access (getattr, hasattr, etc).
+        self._target = None
+
+    def __getattr__(self, name):
+        if self._target is None:
+            self._import_settings()
+        if name == '__members__':
+            # Used to implement dir(obj), for example.
+            return self._target.get_all_members()
+        return getattr(self._target, name)
+
+    def __setattr__(self, name, value):
+        if name == '_target':
+            # Assign directly to self.__dict__, because otherwise we'd call
+            # __setattr__(), which would be an infinite loop.
+            self.__dict__['_target'] = value
+        else:
+            if self._target is None:
+                self._import_settings()
+            setattr(self._target, name, value)
+
+    def _import_settings(self):
+        """
+        Load the settings module pointed to by the environment variable. This
+        is used the first time we need any settings at all, if the user has not
+        previously configured the settings manually.
+        """
+        try:
+            settings_module = os.environ[ENVIRONMENT_VARIABLE]
+            if not settings_module: # If it's set but is an empty string.
+                raise KeyError
+        except KeyError:
+            # NOTE: This is arguably an EnvironmentError, but that causes
+            # problems with Python's interactive help.
+            raise ImportError("Settings cannot be imported, because environment variable %s is undefined." % ENVIRONMENT_VARIABLE)
+
+        self._target = Settings(settings_module)
+
+    def configure(self, default_settings=global_settings, **options):
+        """
+        Called to manually configure the settings. The 'default_settings'
+        parameter sets where to retrieve any unspecified values from (its
+        argument must support attribute access (__getattr__)).
+        """
+        if self._target != None:
+            raise RuntimeError, 'Settings already configured.'
+        holder = UserSettingsHolder(default_settings)
+        for name, value in options.items():
+            setattr(holder, name, value)
+        self._target = holder
+
+class Settings(object):
+    def __init__(self, settings_module):
+        # update this dict from global settings (but only for ALL_CAPS settings)
+        for setting in dir(global_settings):
+            if setting == setting.upper():
+                setattr(self, setting, getattr(global_settings, setting))
+
+        # store the settings module in case someone later cares
+        self.SETTINGS_MODULE = settings_module
+
+        try:
+            mod = __import__(self.SETTINGS_MODULE, {}, {}, [''])
+        except ImportError, e:
+            raise ImportError, "Could not import settings '%s' (Is it on sys.path? Does it have syntax errors?): %s" % (self.SETTINGS_MODULE, e)
+
+        # Settings that should be converted into tuples if they're mistakenly entered
+        # as strings.
+        tuple_settings = ("INSTALLED_APPS", "TEMPLATE_DIRS")
+
+        for setting in dir(mod):
+            if setting == setting.upper():
+                setting_value = getattr(mod, setting)
+                if setting in tuple_settings and type(setting_value) == str:
+                    setting_value = (setting_value,) # In case the user forgot the comma.
+                setattr(self, setting, setting_value)
+
+        # Expand entries in INSTALLED_APPS like "django.contrib.*" to a list
+        # of all those apps.
+        new_installed_apps = []
+        for app in self.INSTALLED_APPS:
+            if app.endswith('.*'):
+                appdir = os.path.dirname(__import__(app[:-2], {}, {}, ['']).__file__)
+                for d in os.listdir(appdir):
+                    if d.isalpha() and os.path.isdir(os.path.join(appdir, d)):
+                        new_installed_apps.append('%s.%s' % (app[:-2], d))
+            else:
+                new_installed_apps.append(app)
+        self.INSTALLED_APPS = new_installed_apps
+
+        if hasattr(time, 'tzset'):
+            # Move the time zone info into os.environ. See ticket #2315 for why
+            # we don't do this unconditionally (breaks Windows).
+            os.environ['TZ'] = self.TIME_ZONE
+            time.tzset()
+
+    def get_all_members(self):
+        return dir(self)
+
+class UserSettingsHolder(object):
+    """
+    Holder for user configured settings.
+    """
+    # SETTINGS_MODULE doesn't make much sense in the manually configured
+    # (standalone) case.
+    SETTINGS_MODULE = None
+
+    def __init__(self, default_settings):
+        """
+        Requests for configuration variables not in this class are satisfied
+        from the module specified in default_settings (if possible).
+        """
+        self.default_settings = default_settings
+
+    def __getattr__(self, name):
+        return getattr(self.default_settings, name)
+
+    def get_all_members(self):
+        return dir(self) + dir(self.default_settings)
+
+settings = LazySettings()
+