[kupfer] picasa: Skip empty fetching albums for usernames

[Ulrik Sverdrup <usverdrup src gnome org>]

commit 4b0bcaea3a0414fb9c2780bb88be4c3be379bffa
Author: Ulrik Sverdrup <ulrik sverdrup gmail com>
Date:   Tue Apr 6 15:47:36 2010 +0200

    picasa: Skip empty fetching albums for usernames
    
    If show users is empty (""), then we tried to fetch an empty username.

 kupfer/plugin/google_picasa/__init__.py |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/kupfer/plugin/google_picasa/__init__.py b/kupfer/plugin/google_picasa/__init__.py
index acd2ab8..ae2b473 100644
--- a/kupfer/plugin/google_picasa/__init__.py
+++ b/kupfer/plugin/google_picasa/__init__.py
@@ -191,7 +191,9 @@ class PicasaDataCache():
 		pusers = []
 		try:
 			user = __kupfer_settings__['userpass'].username
-			user_names = (__kupfer_settings__['showusers'] or '').split(',')
+			show_users = (__kupfer_settings__['showusers'] or '')
+			user_names = [U.strip() for U in show_users.split(',') if U.strip()]
+
 			if user not in user_names:
 				user_names.append(user)