From 162d26d4dc1de841358ae2c49ff88d4cba631cf1 Mon Sep 17 00:00:00 2001
From: Doug Blank <dblank@cs.brynmawr.edu>
Date: Fri, 25 Mar 2016 09:22:58 -0400
Subject: [PATCH] 9331: Empty handle, bsddb backend and place

---
 gramps/gen/db/generic.py                      | 2 +-
 gramps/gen/lib/struct.py                      | 8 +++-----
 gramps/plugins/database/bsddb_support/read.py | 2 +-
 3 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/gramps/gen/db/generic.py b/gramps/gen/db/generic.py
index 0cbc42b04..165ed8389 100644
--- a/gramps/gen/db/generic.py
+++ b/gramps/gen/db/generic.py
@@ -1588,7 +1588,7 @@ class DbGeneric(DbWriteBase, DbReadBase, UpdateCallback, Callback):
         >>> self.get_from_name_and_handle("Person", "a7ad62365bc652387008")
         >>> self.get_from_name_and_handle("Media", "c3434653675bcd736f23")
         """
-        if table_name in self.get_table_func():
+        if table_name in self.get_table_func() and handle:
             return self.get_table_func(table_name,"handle_func")(handle)
         return None
 
diff --git a/gramps/gen/lib/struct.py b/gramps/gen/lib/struct.py
index 13478f583..febad4de8 100644
--- a/gramps/gen/lib/struct.py
+++ b/gramps/gen/lib/struct.py
@@ -211,15 +211,12 @@ class Struct(object):
             current = getattr(current, item)
         return current
 
-    def get_media_from_handle(self, handle):
-        return self.db.get_from_name_and_handle(handle.classname, str(handle))
-
     def handle_join(self, item):
         """
         If the item is a handle, look up reference object.
         """
         if isinstance(item, HandleClass) and self.db:
-            obj = self.get_media_from_handle(item)
+            obj = self.db.get_from_name_and_handle(item.classname, str(item))
             if obj:
                 return Struct(obj.to_struct(), self.db)
             else:
@@ -263,7 +260,8 @@ class Struct(object):
             if struct is None:       # invalid part to set, skip
                 return
             if isinstance(struct, HandleClass):
-                struct = self.get_media_from_handle(struct).to_struct()
+                obj = self.db.get_from_name_and_handle(struct.classname, str(struct))
+                struct = obj.to_struct()
             # keep track of primary object for update, below
             if isinstance(struct, dict) and "_class" in struct and self.primary_object_q(struct["_class"]):
                 primary_obj = struct
diff --git a/gramps/plugins/database/bsddb_support/read.py b/gramps/plugins/database/bsddb_support/read.py
index 00a4ad90e..ecb8b9c1e 100644
--- a/gramps/plugins/database/bsddb_support/read.py
+++ b/gramps/plugins/database/bsddb_support/read.py
@@ -716,7 +716,7 @@ class DbBsddbRead(DbReadBase, Callback):
         >>> self.get_from_name_and_handle("Person", "a7ad62365bc652387008")
         >>> self.get_from_name_and_handle("Media", "c3434653675bcd736f23")
         """
-        if table_name in self.get_table_func():
+        if table_name in self.get_table_func() and handle:
             return self.get_table_func(table_name,"handle_func")(handle)
         return None