From 990bd4dfbb33d7f14e2a44371a9ae76d8ccb125f Mon Sep 17 00:00:00 2001
From: Oleg Broytman <phd@phdru.name>
Date: Wed, 22 Jul 2015 22:27:23 +0300
Subject: [PATCH] Refactoring: move DB (re)creation code to xsetbg_db.py

---
 reload_db.py | 19 ++++---------------
 xsetbg_db.py | 22 +++++++++++++++++++++-
 2 files changed, 25 insertions(+), 16 deletions(-)

diff --git a/reload_db.py b/reload_db.py
index 97012a8..41a3c94 100755
--- a/reload_db.py
+++ b/reload_db.py
@@ -10,25 +10,14 @@ __copyright__ = "Copyright (C) 2007-2015 PhiloSoft Design"
 __license__ = "GNU GPL"
 
 import sys
-from sqlobject import SQLObjectNotFound, sqlhub
+from sqlobject import sqlhub
 from sqlobject.sqlbuilder import Insert
 from xsetbg_conf import xsetbg_conf
-from xsetbg_db import SqliteSequence, XSetBg, xsetbg_db
+from xsetbg_db import recreate_db
 
 fs_encoding = xsetbg_conf.get("images", "fs_encoding")
 dump_file = open(sys.argv[1], 'rU')
-
-if xsetbg_db:
-    try:
-        seq = SqliteSequence.byName(XSetBg.sqlmeta.table)
-    except SQLObjectNotFound:
-        SqliteSequence(name=XSetBg.sqlmeta.table, seq=0)
-    else:
-        seq.seq = 0  # Reset autoincrement counter
-    xsetbg_db.clearTable()
-else:
-    xsetbg_db = XSetBg
-    xsetbg_db.createTable()
+xsetbg_db = recreate_db()
 
 def convert_str(s):
     if s == "None":
@@ -55,7 +44,7 @@ for line in dump_file:
     values = {'last_shown': timestamp, 'full_name': filename}
     if id:
         values['id'] = id
-    query = txn.sqlrepr(Insert(XSetBg.sqlmeta.table, values=values))
+    query = txn.sqlrepr(Insert(xsetbg_db.sqlmeta.table, values=values))
     txn.query(query)
 
 txn.commit()
diff --git a/xsetbg_db.py b/xsetbg_db.py
index eedb25f..54d174b 100755
--- 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:
-- 
2.39.5