Added schematic.

docs/libs.rst

@@ -16,7 +16,7 @@ Database
 
 * `django-multidb-router <https://github.com/jbalogh/django-multidb-router>`_:
   Round-robin master/slave db router for Django 1.2.
-* `schematic <https://github.com/jbalogh/schematic>`_:
+* `schematic <https://github.com/jbalogh/schematic>`_\*:
   Simple database migration tool.
 
 Deferred Execution (cron, message queues)

manage.py

@@ -38,6 +38,11 @@
             " Please come back and try again later.")
         raise
 
+# If we want to use django settings anywhere, we need to set up the required
+# environment variables.
+setup_environ(settings)
+
+# Configure Celery
 import djcelery
 djcelery.setup_loader()
 

migrations/01-noop.sql

@@ -0,0 +1 @@
+-- Example database migration for schematic. Remove this, if you like.

migrations/schematic_settings.py

@@ -0,0 +1,30 @@
+import sys
+import os
+
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+
+# Set up playdoh.
+import manage
+from django.conf import settings
+
+config = settings.DATABASES['default']
+config['HOST'] = config.get('HOST', 'localhost')
+config['PORT'] = config.get('PORT', '3306')
+
+if not config['HOST'] or config['HOST'].endswith('.sock'):
+    """Oh, you meant 'localhost'!"""
+    config['HOST'] = 'localhost'
+
+s = 'mysql --silent {NAME} -h{HOST} -u{USER}'
+
+if config['PASSWORD']:
+    s += ' -p{PASSWORD}'
+else:
+    del config['PASSWORD']
+if config['PORT']:
+    s += ' -P{PORT}'
+else:
+    del config['PORT']
+
+db = s.format(**config)
+table = 'schema_version'