"""
__author__ = "Oleg Broytman <phd@phdru.name>"
-__copyright__ = "Copyright (C) 2014 PhiloSoft Design"
+__copyright__ = "Copyright (C) 2014, 2015 PhiloSoft Design"
__license__ = "GNU GPL"
-__all__ = ['xsetbg_db']
+__all__ = ['xsetbg_db_path', 'xsetbg_db']
-import anydbm
import os
-import shelve
-from xsetbg_conf import xsetbg_dir, xsetbg_conf
+from sqlobject import SQLObject, connectionForURI, sqlhub, \
+ UnicodeCol, IntCol, BoolCol, DatabaseIndex, dberrors
+from xsetbg_conf import xsetbg_conf
-xsetbg_db_name = "xsetbg.db"
+# octal; -rw-------; make the database file(s) readable only by the user
+os.umask(0066)
+
+class XSetBg(SQLObject):
+ full_name = UnicodeCol(alternateID=True)
+ last_shown = IntCol(default=None) # timestamp
+ flag = BoolCol(default=None)
+
+ last_shown_idx = DatabaseIndex('last_shown')
+ flag_idx = DatabaseIndex('flag')
+
+
+def recreate_db():
+ global xsetbg_db
+ if not xsetbg_db:
+ xsetbg_db = XSetBg
+ xsetbg_db.createTable()
+ 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 = shelve.open(os.path.join(xsetbg_dir, xsetbg_db_name), 'r')
-except anydbm.error:
+ xsetbg_db_path = xsetbg_conf.get('xsetbg', 'database')
+except:
+ xsetbg_db_path = None
+
+if not xsetbg_db_path:
+ if 'XDG_CACHE_HOME' in os.environ:
+ db_dirs.append(os.environ['XDG_CACHE_HOME'])
+ home_cache = os.path.expanduser('~/.cache')
+ if home_cache not in db_dirs:
+ db_dirs.append(home_cache)
+ db_dirs.append(os.path.dirname(os.path.abspath(__file__)))
+
+ for d in db_dirs:
+ xsetbg_db_path = os.path.join(d, 'xsetbg.sqlite')
+ if os.path.exists(xsetbg_db_path):
+ break
+
+if xsetbg_db_path:
+ sqlhub.processConnection = \
+ connectionForURI('sqlite:///%s' % xsetbg_db_path)
+ try:
+ XSetBg.select()[0]
+ except IndexError:
+ xsetbg_db = XSetBg # Table exists but is empty
+ except dberrors.Error:
+ xsetbg_db = None
+ else:
+ xsetbg_db = XSetBg
+else:
xsetbg_db = None
+
+if __name__ == '__main__':
+ print "DB dirs:", db_dirs
+ print "DB file:", xsetbg_db_path