Changes between Version 12 and Version 13 of SplitSettings

Timestamp:

Aug 10, 2010, 8:20:55 AM (14 years ago)

Author:

CordiS

Comment:

--

SplitSettings

@@ -333 +333 @@
     settings.update(config(**settings))
 }}}
+
+== Settings inheritance ==
+
+I ([http://djangopeople.net/cordis  Sergey Yushckeyev]) have extended proposed solution:
+
+env
+{{{
+export APP_SETTINGS = 'development.cordis'
+}}}
+
+settings/__init__.py
+{{{
+#!python
+
+CONFIGURATION = 'common'
+
+def deep_update(from_dict, to_dict):
+    for (key, value) in from_dict.iteritems():
+        if key in to_dict.keys() and isinstance(to_dict[key], dict) and isinstance(value, dict):
+            deep_update(value, to_dict[key])
+        else:
+            to_dict[key] = value
+
+try:
+    modules = os.environ.get('APP_SETTINGS', '').split('.')
+    current = __name__
+    for name in modules:
+        module  = getattr(__import__(current, globals(), locals(), [name]), name)
+        current += '.' + name
+        current_settings = {}
+        for setting in dir(module):
+            if setting == setting.upper():
+                current_settings[setting] = getattr(module, setting)
+        deep_update(current_settings, locals())
+except ImportError, e:
+    print 'Unable to import configuration: %s' % (str(e))
+}}}
+
+settings/development/cordis.py
+{{{
+#!python
+
+CONFIGURATION = 'cordis'
+}}}
+
+app/models.py
+{{{
+#!python
+
+from settings import CONFIGURATION
+print CONFIGURATION # prints 'cordis'
+}}}