Move models to a separate file

models.py

@@ -0,0 +1,32 @@
+from config import conf
+
+from peewee import MySQLDatabase
+from peewee import Model
+from peewee import AutoField, CharField, DateTimeField, ForeignKeyField
+
+from peewee import DoesNotExist
+
+db = MySQLDatabase(conf['mysql'].get('database'),
+                   user=conf['mysql'].get('user'),
+                   password=conf['mysql'].get('password'),
+                   host=conf['mysql'].get('host', 'localhost'),
+                   port=conf['mysql'].getint('port', 3306))
+
+class BaseModel(Model):
+    class Meta:
+        database = db
+
+class Song(BaseModel):
+    id = AutoField()
+    artist = CharField(default='')
+    title = CharField(default='')
+
+    class Meta:
+        indexes = (
+            (('artist', 'title'), True),  # Unique on artist + title
+        )
+
+class AirCast(BaseModel):
+    id = AutoField()
+    date = DateTimeField()
+    song = ForeignKeyField(Song, backref='dates')