Version 5.0.2

[xsetbg.git] / xsetbg_db.py

diff --git a/xsetbg_db.py b/xsetbg_db.py
index e5fe5d0310927a0d2c5704f41cdd44cfffeff47d..71055c0df12e566d5ccf42a9cb8fea6764901aa4 100755 (executable)
--- a/xsetbg_db.py
+++ b/xsetbg_db.py
@@ -14,6 +14,9 @@ from sqlobject import SQLObject, connectionForURI, sqlhub, \
     UnicodeCol, IntCol, BoolCol, DatabaseIndex, dberrors
 from xsetbg_conf import xsetbg_conf
 
+# octal; -rw-------; make the database file(s) readable only by the user
+os.umask(0066)
+
 
 class XSetBg(SQLObject):
     full_name = UnicodeCol(alternateID=True)
@@ -32,6 +35,27 @@ def recreate_db():
     return xsetbg_db
 
 
+class SQLiteMassInsert(object):
+    def __init__(self):
+        self.connection = sqlhub.processConnection
+
+    def __enter__(self):
+        connection = self.connection
+        connection.query("PRAGMA synchronous=OFF")
+        connection.query("PRAGMA count_changes=OFF")
+        connection.query("PRAGMA journal_mode=MEMORY")
+        connection.query("PRAGMA temp_store=MEMORY")
+
+        txn = connection.transaction()
+        sqlhub.processConnection = txn
+        return txn
+
+    def __exit__(self, *args, **kw):
+        sqlhub.processConnection.commit()
+        connection = sqlhub.processConnection = self.connection
+        connection.query("VACUUM %s" % xsetbg_db.sqlmeta.table)
+
+
 db_dirs = []
 try:
     xsetbg_db_path = xsetbg_conf.get('xsetbg', 'database')