simple enough

dj_database_url.py

@@ -0,0 +1,47 @@
+# -*- coding: utf-8 -*-
+
+"""
+dj-database-url
+~~~~~~~~~~~~~~~
+
+A swift samaurai blade for you Django applications.
+
+"""
+
+
+import os
+import urlparse
+
+# Register database schemes in URLs.
+urlparse.uses_netloc.append('postgres')
+urlparse.uses_netloc.append('mysql')
+
+
+def config(config=None):
+    """Returns configured DATABASES dictionary."""
+
+    if config is None:
+        config = {}
+
+    if 'DATABASE_URL' in os.environ:
+        url = urlparse.urlparse(os.environ['DATABASE_URL'])
+
+        # Ensure default database exists.
+        config.setdefault('default', {})
+
+        # Update with environment configuration.
+        config['default'].update({
+            'NAME': url.path[1:],
+            'USER': url.username,
+            'PASSWORD': url.password,
+            'HOST': url.hostname,
+            'PORT': url.port,
+        })
+
+        if url.scheme == 'postgres':
+            config['default']['ENGINE'] = 'django.db.backends.postgresql_psycopg2'
+
+        if url.scheme == 'mysql':
+            config['default']['ENGINE'] = 'django.db.backends.mysql'
+
+    return config