Markov: first cut of markov in django

this is just a basic port of the tables into django models right now.
there's some serious slowness in the state creation that i need to fix
before this does anything, but i want to get this in a real database on
a real linode before i go too much further, so here it is

markov/migrations/0001_markov_context_and_target_and_state.py

@@ -0,0 +1,80 @@
+# -*- coding: utf-8 -*-
+from south.utils import datetime_utils as datetime
+from south.db import db
+from south.v2 import SchemaMigration
+from django.db import models
+
+
+class Migration(SchemaMigration):
+
+    def forwards(self, orm):
+        # Adding model 'MarkovContext'
+        db.create_table(u'markov_markovcontext', (
+            (u'id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
+            ('name', self.gf('django.db.models.fields.CharField')(max_length=32)),
+        ))
+        db.send_create_signal(u'markov', ['MarkovContext'])
+
+        # Adding model 'MarkovTarget'
+        db.create_table(u'markov_markovtarget', (
+            (u'id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
+            ('target', self.gf('django.db.models.fields.CharField')(max_length=64)),
+            ('context', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['markov.MarkovContext'])),
+            ('chatter_chance', self.gf('django.db.models.fields.IntegerField')(default=0)),
+        ))
+        db.send_create_signal(u'markov', ['MarkovTarget'])
+
+        # Adding model 'MarkovState'
+        db.create_table(u'markov_markovstate', (
+            (u'id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
+            ('k1', self.gf('django.db.models.fields.CharField')(max_length=128)),
+            ('k2', self.gf('django.db.models.fields.CharField')(max_length=128)),
+            ('v', self.gf('django.db.models.fields.CharField')(max_length=128)),
+            ('count', self.gf('django.db.models.fields.IntegerField')(default=0)),
+            ('context', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['markov.MarkovContext'])),
+        ))
+        db.send_create_signal(u'markov', ['MarkovState'])
+
+        # Adding unique constraint on 'MarkovState', fields ['context', 'k1', 'k2', 'v']
+        db.create_unique(u'markov_markovstate', ['context_id', 'k1', 'k2', 'v'])
+
+
+    def backwards(self, orm):
+        # Removing unique constraint on 'MarkovState', fields ['context', 'k1', 'k2', 'v']
+        db.delete_unique(u'markov_markovstate', ['context_id', 'k1', 'k2', 'v'])
+
+        # Deleting model 'MarkovContext'
+        db.delete_table(u'markov_markovcontext')
+
+        # Deleting model 'MarkovTarget'
+        db.delete_table(u'markov_markovtarget')
+
+        # Deleting model 'MarkovState'
+        db.delete_table(u'markov_markovstate')
+
+
+    models = {
+        u'markov.markovcontext': {
+            'Meta': {'object_name': 'MarkovContext'},
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '32'})
+        },
+        u'markov.markovstate': {
+            'Meta': {'unique_together': "(('context', 'k1', 'k2', 'v'),)", 'object_name': 'MarkovState'},
+            'context': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['markov.MarkovContext']"}),
+            'count': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'k1': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
+            'k2': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
+            'v': ('django.db.models.fields.CharField', [], {'max_length': '128'})
+        },
+        u'markov.markovtarget': {
+            'Meta': {'object_name': 'MarkovTarget'},
+            'chatter_chance': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
+            'context': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['markov.MarkovContext']"}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'target': ('django.db.models.fields.CharField', [], {'max_length': '64'})
+        }
+    }
+
+    complete_apps = ['markov']