Starting to switch XSetBg to SQLite instead of bsddb

[xsetbg.git] / xsetbg_db.py

diff --git a/xsetbg_db.py b/xsetbg_db.py
index 4853afb8f75ba90a2c142020ccd60e84034bd36b..f52c79db1e7cf6d4a4678f5debf98d7d44eb4145 100755 (executable)
--- a/xsetbg_db.py
+++ b/xsetbg_db.py
@@ -4,19 +4,52 @@
 """
 
 __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, StringCol, IntCol, BoolCol, dberrors
+from xsetbg_conf import xsetbg_conf
 
-xsetbg_db_name = "xsetbg.db"
 
+class XSetbg(SQLObject):
+    path = StringCol(alternateID=True)
+    last_shown = IntCol(default=None) # timestamp
+    flag = BoolCol(default=None)
+
+
+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:
+    try:
+        XSetbg.setConnection('sqlite:///' + xsetbg_db_path)
+        XSetbg.select()[0]
+    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