Work on native gui code

yms/equipment.py

@@ -0,0 +1,33 @@
+# -*- coding: utf-8 -*-
+
+import MySQLdb.cursors
+
+class Equipment():
+
+    fields = ('vid' 'ename', 'shortname', 'model', 'ecat', 'serial', 'supplier',
+        'manufacturer', 'purchdate', 'price', 'weight', 'remarks', 'flags')
+
+    def __init__(self, dbconn, eid=None):
+        self.conn = dbconn
+        self.dcur = dbconn.cursor(MySQLdb.cursors.DictCursor)
+
+        self.remarks = None
+        self.data = {} # for old/new checks
+
+    def load(self):
+        sql = (
+            "SELECT {}".format(', '.join(self.fields))
+            "FROM equipment "
+            "WHERE eid=%s"
+            )
+        self.dcur.execute(sql, (self.eid,))
+        self.data = self.dcur.fetchone()
+        if self.data:
+            for field in self.fields:
+                setattr(self, field, self.data.get(field))
+        else:
+            for field in self.fields:
+                setattr(self, field, None)
+
+    def save(self):
+        pass