[billreminder] Added new get_categories function. Now get_bills and get_categories accept a keyworded, variable-len

[Og B. Maciel <ogmaciel src gnome org>]

commit 98974d61e47a099345a1f5509060f4a1df6614e1
Author: Og B. Maciel <ogmaciel gnome org>
Date:   Thu Oct 1 13:39:55 2009 -0400

    Added new get_categories function. Now get_bills and get_categories accept a keyworded, variable-length argument list.

 src/lib/actions.py |   18 +++++++++++++++++-
 1 files changed, 17 insertions(+), 1 deletions(-)
---
diff --git a/src/lib/actions.py b/src/lib/actions.py
index e88e5af..0d9f952 100644
--- a/src/lib/actions.py
+++ b/src/lib/actions.py
@@ -92,7 +92,7 @@ class Actions(object):
 
         return records
 
-    def get_bills(self, kwargs):
+    def get_bills(self, **kwargs):
         """
         Returns a list of all bills filtered by values.
         """
@@ -107,3 +107,19 @@ class Actions(object):
             session.close()
 
         return records
+
+    def get_categories(self, **kwargs):
+        """
+        Returns a list of all categories filtered by values.
+        """
+        records = []
+
+        try:
+            session = self.dal.Session()
+            records = session.query(Category).filter_by(**kwargs).all()
+        except Exception, e:
+            print str(e)
+        finally:
+            session.close()
+
+        return records