Fix failing to bind default_language_id

pokedex/db/__init__.py

@@ -2,6 +2,7 @@
 import re
 
 from sqlalchemy import engine_from_config, orm
+from sqlalchemy import event
 
 from ..defaults import get_default_db_uri
 from .tables import metadata
@@ -55,6 +56,20 @@ def connect(uri=None, session_args={}, engine_args={}, engine_prefix=''):
         default_language_id=ENGLISH_ID, **all_session_args)
     session = MultilangScopedSession(sm)
 
+    @event.listens_for(session, "do_orm_execute")
+    def bind_default_language_id(state):
+        # Set _default_language_id param if it hasn't been set by the time the query is executed.
+        # XXX This is really hacky and we should figure out a cleaner method.
+        if not state.statement.is_select:
+            return
+
+        if not state.parameters:
+            state.parameters = {}
+
+        if not '_default_language_id' in state.parameters or state.parameters['_default_language_id'] == 'dummy':
+            state.parameters.update(_default_language_id=state.session.default_language_id)
+
+        return state.invoke_statement()
     return session
 
 def identifier_from_name(name):

pokedex/db/multilang.py

@@ -207,13 +207,7 @@ def creator(language, value):
     return Translations
 
 class MultilangQuery(Query):
-    def _execute_and_instances(self, *args, **kwargs):
-        # Set _default_language_id param if it hasn't been set by the time the query is executed.
-        # XXX This is really hacky and we should figure out a cleaner method.
-        if '_default_language_id' not in self._params or self._params['_default_language_id'] == 'dummy':
-            self._params = self._params.copy()
-            self._params['_default_language_id'] = self.session.default_language_id
-        return super(MultilangQuery, self)._execute_and_instances(*args, **kwargs)
+    pass
 
 class MultilangSession(Session):
     """A tiny Session subclass that adds support for a default language.