adding simple db class for db operations

wowstash/library/db.py

@@ -0,0 +1,22 @@
+from psycopg2 import Error as PGError
+from psycopg2 import connect as PGConnect
+from wowstash import config
+
+
+class Database(object):
+    def __init__(self):
+        self.conn = PGConnect(
+            user=config.DB_USER,
+            password=config.DB_PASS,
+            host=config.DB_HOST,
+            port=config.DB_PORT,
+            database=config.DB_NAME
+        )
+
+        cursor = self.conn.cursor()
+        cursor.execute("SELECT VERSION()")
+        results = cursor.fetchone()
+        if results:
+            self.connected = True
+        else:
+            self.connected = False