Convert print-filename.py

[xsetbg.git] / print-filename.py

diff --git a/print-filename.py b/print-filename.py
index 6d142550f2d1a45fee744ab3981870ae78076355..47fda4a64f9304bd29ad7cfd0fcc4ee2eb4d5237 100755 (executable)
--- a/print-filename.py
+++ b/print-filename.py
@@ -8,11 +8,15 @@ This file is a part of XSetBg.
 """
 
 __author__ = "Oleg Broytman <phd@phdru.name>"
-__copyright__ = "Copyright (C) 2004-2012 PhiloSoft Design"
+__copyright__ = "Copyright (C) 2004-2015 PhiloSoft Design"
 __license__ = "GNU GPL"
 
 
-import sys, os, shelve
+import sys
+from xsetbg_db import xsetbg_db
+
+if not xsetbg_db:
+    sys.exit("Error: no database found")
 
 
 def usage(code=0):
@@ -24,15 +28,19 @@ def get_args():
    from getopt import getopt, GetoptError
 
    try:
-      options, arguments = getopt(sys.argv[1:], "ho", ["help", "old"])
+      options, arguments = getopt(sys.argv[1:], "he:o",
+                                  ["help", "output-encoding=", "old"])
    except GetoptError:
       usage(1)
 
    old = False
+   output_encoding = None
 
    for option, value in options:
       if option in ("-h", "--help"):
          usage()
+      elif option in ("-e", "--output-encoding"):
+         output_encoding = value
       elif option in ("-o", "--old"):
          old = True
       else:
@@ -41,33 +49,20 @@ def get_args():
    if arguments:
       usage(3)
 
-   return old
-
-old = get_args()
-
+   if output_encoding is None:
+      from m_lib.defenc import default_encoding
+      output_encoding = default_encoding
+   return old, output_encoding
 
-xsetbg_dir = os.path.join(os.environ["HOME"], "lib", "xsetbg")
-os.chdir(xsetbg_dir)
+old, output_encoding = get_args()
 
-global_db_name = "xsetbg.db"
-filename_key = "filename"
-old_filename_key = "old_filename"
 
-
-global_db = shelve.open(global_db_name, flag='r')
 if old:
-   key = old_filename_key
+   index = 1
 else:
-   key = filename_key
-filename = global_db[key]
-global_db.close()
-
-from ConfigParser import SafeConfigParser
-config = SafeConfigParser()
-config.read("xsetbg.conf")
+   index = 0
 
-fs_encoding = config.get("images", "fs_encoding")
-filename = unicode(filename, fs_encoding)
+filename = xsetbg_db.select('last_shown IS NOT NULL',
+                            orderBy='-last_shown')[index].full_name
 
-from m_lib.defenc import default_encoding
-print filename.encode(default_encoding)
+print filename.encode(output_encoding)