def update_all_items ( self, file_name = None ):
""" Determines the set of available database keys.
"""
database = self.database
db = facet_db( database )
if db is not None:
keys = db.keys()
db.close()
keys.sort()
self.all_items = [ TDBRecord( id = key, database = database )
for key in keys ]
def get_cb_db ( mode = 'r' ):
""" Gets a reference to the class browser database.
"""
return facet_db( 'class_browser', mode )
