X-Git-Url: https://git.phdru.name/?a=blobdiff_plain;f=xsetbg_db.py;h=c335168af45d995f8559c590001fcab8b42b895b;hb=566c0dee32e42e4f82d901872504187dd5369ada;hp=43a37e73599c8126d081c2255e8439bf184689dd;hpb=21192b521520392055185f65e5764800edb41f32;p=xsetbg.git

diff --git a/xsetbg_db.py b/xsetbg_db.py
index 43a37e7..c335168 100755
--- a/xsetbg_db.py
+++ b/xsetbg_db.py
@@ -7,16 +7,41 @@ __author__ = "Oleg Broytman <phd@phdru.name>"
 __copyright__ = "Copyright (C) 2014 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_conf
 
-xsetbg_db_path = os.path.expanduser(xsetbg_conf.get('xsetbg', 'database'))
+db_dirs = []
+try:
+    db_file = xsetbg_conf.get('xsetbg', 'database')
+except:
+    db_file = None
+
+if not db_file:
+    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:
+        db_file = os.path.join(d, 'xsetbg.db')
+        if os.path.exists(db_file):
+            break
+    else:
+        raise RuntimeError("Cannot find xsetbg.db; searched %s", db_dirs)
+
+xsetbg_db_path = db_file
 
 try:
     xsetbg_db = shelve.open(xsetbg_db_path, 'r')
 except anydbm.error:
     xsetbg_db = None
+
+if __name__ == '__main__':
+    print "DB dirs:", db_dirs
+    print "DB file:", db_file