Switch modularized

*the switch is prepared to load different modules
*module database is implemented
*code cleanup
*config can load lists
*add global debug mode
*ems has a method to update the buffer

scr/modules/database.py

@@ -0,0 +1,43 @@
+'''
+Created on 26.11.2013
+
+@author: rauchp
+'''
+
+from MySQLdb import connect
+
+def setup(conf):
+    connection = connect(host = conf['mySQL_server'],
+                        user = conf['mySQL_user'],
+                        passwd = conf['mySQL_pass'],
+                        db = conf['mySQL_database'],
+                        port = int(conf['mySQL_port']))
+    cursor = connection.cursor()
+    return cursor
+
+def loop(cursor, item):
+    sql_values = 'SELECT * FROM %s ORDER BY timestamp DESC LIMIT 1'
+    sql_collums = 'SHOW COLUMNS FROM %s'
+
+    path = item.split('/')
+    if path[0] == '':
+        path.remove('')
+
+    collums = []
+    cursor.execute(sql_collums % path[len(path) -1])
+    for cul in cursor:
+        collums.append(cul[0])
+
+    cursor.execute(sql_values % path[len(path) -1])
+    for row in cursor:
+        values = row
+
+    result = {}
+    for i in range(len(collums)):
+        result[collums[i]] = values[i]
+
+#     for p in range(len(path)):
+#         result = { path.pop() : result }
+    result = {item : result}
+
+    return result