Move database/persistence initialization into a function

This allows us to postpone init_db(). One advantage of this is that
specifying AWAY in botconfig.py won't overwrite the away list from the
DB anymore, but properly get added to (as would be expected).

modules/wolfgame.py

@@ -87,6 +87,8 @@ var.DISCONNECTED = {}  # players who got disconnected
 
 var.LOGGER = WolfgameLogger(var.LOG_FILENAME, var.BARE_LOG_FILENAME)
 
+var.init_db()
+
 var.OPPED = False  # Keeps track of whether the bot is opped
 
 if botconfig.DEBUG_MODE:

settings/wolfgame.py

@@ -658,9 +658,10 @@ class AleatoireMode(object):
 import sqlite3
 
 conn = sqlite3.connect("data.sqlite3", check_same_thread = False)
+c = conn.cursor()
 
-with conn:
-    c = conn.cursor()
+def init_db():
+    with conn:
         c.execute('CREATE TABLE IF NOT EXISTS away (nick TEXT)')  # whoops, i mean cloak, not nick
 
         c.execute('CREATE TABLE IF NOT EXISTS simple_role_notify (cloak TEXT)') # people who understand each role