Preparation for native gui development

yms/database.py

@@ -0,0 +1,32 @@
+import MySQLdb
+
+class Database():
+
+    def __init__(self, hostname, dbname):
+        self.hostname = hostname
+        self.schema = dbname
+        self.conn = None
+        self.cur = None
+        self.dcur = None
+
+    def connect(self, dbuser, dbpass):
+        if self.conn:
+            return True
+        MySQLdb.paramstyle = 'pyformat'
+        try:
+            self.conn = MySQLdb.connect(host=self.hostname, db=self.schema,
+                user=dbuser, passwd=dbpass, charset='utf8')
+        except MySQLdb.Error as e:
+            print(e)
+            return False
+        self.cur = self.conn.cursor()
+        self.dcur = self.conn.cursor(MySQLdb.cursors.DictCursor)
+        return True
+
+    def disconnect(self):
+        self.cur.close()
+        self.dcur.close()
+        self.conn.close()
+
+    def is_connected(self):
+        return self.conn.open