Migration support, for awesomeness

couchpotato/core/migration/migrate.cfg

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+[db_settings]
+repository_id = CouchPotato
+version_table = migrate_version
+required_dbs = ['sqlite']

couchpotato/core/migration/versions/__init__.py

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+"""
+    Examples
+
+        Adding a column:
+
+            from migrate import *
+            from migrate.changeset.schema import create_column
+            from sqlalchemy import *
+
+            meta = MetaData()
+
+            def upgrade(migrate_engine):
+                meta.bind = migrate_engine
+
+                #print changeset.schema
+                path_column = Column('path', String)
+                resource = Table('resource', meta, path_column)
+
+                create_column(path_column, resource)
+
+
+
+        Adding Relation table: http://www.mail-archive.com/sqlelixir@googlegroups.com/msg02061.html
+
+            person = Table('person', metadata, Column('id', Integer))
+            person_column = Column('person_id', Integer, ForeignKey('person.id'), nullable=False)
+            movie = Table('movie', metadata, person_column)
+            person_constraint = ForeignKeyConstraint(['person_id'], ['person.id'], ondelete="restrict", table=movie)
+
+"""