Remove InvalidId

It was a NoOp in our Non-mongo world. So it is safe to remove.

Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>

mediagoblin/db/sql/fake.py

@@ -24,7 +24,6 @@ Currently:
 - ObjectId "class": It's a function mostly doing
   int(init_arg) to convert string primary keys into
   integer primary keys.
-- InvalidId exception
 - DESCENDING "constant"
 """
 
@@ -32,14 +31,7 @@ Currently:
 DESCENDING = object()  # a unique object for this "constant"
 
 
-class InvalidId(Exception):
-    pass
-
-
 def ObjectId(value=None):
     if value is None:
         return None
-    try:
-        return int(value)
-    except ValueError:
-        raise InvalidId("%r is an invalid id" % value)
+    return int(value)

mediagoblin/db/util.py

@@ -15,6 +15,6 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #TODO: check now after mongo removal if we can't rip out a layer of abstraction
-from mediagoblin.db.sql.fake import ObjectId, InvalidId, DESCENDING
+from mediagoblin.db.sql.fake import ObjectId, DESCENDING
 from mediagoblin.db.sql.util import atomic_update, check_media_slug_used, \
     media_entries_for_tag_slug, check_collection_slug_used