Convert print_all.py

[xsetbg.git] / xsetbg_db.py

diff --git a/xsetbg_db.py b/xsetbg_db.py
index c6a8a3fece4c4a0699cffdeb7372829cfd2d95df..77dc70242ae8e1f1d711a2e3ed714fb9cbd27ba7 100755 (executable)
--- a/xsetbg_db.py
+++ b/xsetbg_db.py
@@ -4,16 +4,30 @@
 """
 
 __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_path', 'xsetbg_db']
 
-import anydbm
 import os
-import shelve
+from sqlobject import SQLObject, connectionForURI, sqlhub, \
+    StringCol, UnicodeCol, IntCol, BoolCol, dberrors
 from xsetbg_conf import xsetbg_conf
 
+
+class SqliteSequence(SQLObject):
+    class sqlmeta:
+        idName = 'rowid'
+    name = StringCol(unique=True)
+    seq = IntCol()
+
+
+class XSetBg(SQLObject):
+    full_name = UnicodeCol(alternateID=True)
+    last_shown = IntCol(default=None)  # timestamp
+    flag = BoolCol(default=None)
+
+
 db_dirs = []
 try:
     xsetbg_db_path = xsetbg_conf.get('xsetbg', 'database')
@@ -29,15 +43,22 @@ if not xsetbg_db_path:
     db_dirs.append(os.path.dirname(os.path.abspath(__file__)))
 
     for d in db_dirs:
-        xsetbg_db_path = os.path.join(d, 'xsetbg.db')
+        xsetbg_db_path = os.path.join(d, 'xsetbg.sqlite')
         if os.path.exists(xsetbg_db_path):
             break
-    else:
-        raise RuntimeError("Cannot find xsetbg.db; searched %s", db_dirs)
 
-try:
-    xsetbg_db = shelve.open(xsetbg_db_path, 'r')
-except anydbm.error:
+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__':