Refactoring: move DB (re)creation code to xsetbg_db.py

[xsetbg.git] / xsetbg_db.py

diff --git a/xsetbg_db.py b/xsetbg_db.py
index eedb25ffa1c4ac533dad4f2100222cffc23a4c9f..54d174b4076862fb865d3df0fa88ed3b17057f46 100755 (executable)
--- a/xsetbg_db.py
+++ b/xsetbg_db.py
@@ -11,7 +11,8 @@ __all__ = ['xsetbg_db_path', 'xsetbg_db']
 
 import os
 from sqlobject import SQLObject, connectionForURI, sqlhub, \
-    StringCol, UnicodeCol, IntCol, BoolCol, DatabaseIndex, dberrors
+    StringCol, UnicodeCol, IntCol, BoolCol, DatabaseIndex, dberrors, \
+    SQLObjectNotFound
 from xsetbg_conf import xsetbg_conf
 
 
@@ -30,6 +31,25 @@ class XSetBg(SQLObject):
     last_shown_idx = DatabaseIndex('last_shown')
     flag_idx = DatabaseIndex('flag')
 
+    def clearTable(self):
+        super.clearTable(XSetBg, self)
+        try:
+            seq = SqliteSequence.byName(XSetBg.sqlmeta.table)
+        except SQLObjectNotFound:
+            SqliteSequence(name=XSetBg.sqlmeta.table, seq=0)
+        else:
+            seq.seq = 0  # Reset autoincrement counter
+
+
+def recreate_db():
+    global xsetbg_db
+    if xsetbg_db:
+        xsetbg_db.clearTable()
+    else:
+        xsetbg_db = XSetBg
+        xsetbg_db.createTable()
+    return xsetbg_db
+
 
 db_dirs = []
 try: