rename _helpers to query_utils.py

Author: WaVEV

django_mongodb/base.py

@@ -7,12 +7,12 @@
 from pymongo.mongo_client import MongoClient
 
 from . import dbapi as Database
-from ._helpers import safe_regex
 from .client import DatabaseClient
 from .creation import DatabaseCreation
 from .features import DatabaseFeatures
 from .introspection import DatabaseIntrospection
 from .operations import DatabaseOperations
+from .query_utils import safe_regex
 from .schema import DatabaseSchemaEditor
 
 

django_mongodb/compiler.py

@@ -141,7 +141,6 @@ def build_query(self, columns=None):
         except FullResultSet:
             query.mongo_query = {}
 
-        # query.add_filters(self.query.where)
         query.order_by(self._get_ordering())
 
         # This at least satisfies the most basic unit tests.

django_mongodb/functions.py

@@ -1,7 +1,7 @@
 from django.db import NotSupportedError
 from django.db.models.functions.datetime import Extract
 
-from ._helpers import process_lhs
+from .query_utils import process_lhs
 
 
 def extract(self, compiler, connection):

django_mongodb/lookups.py

@@ -10,7 +10,7 @@
 )
 from django.db.models.sql.where import AND, XOR, WhereNode
 
-from ._helpers import process_lhs, process_rhs, safe_regex
+from .query_utils import process_lhs, process_rhs, safe_regex
 
 
 def where_node(self, compiler, connection):
@@ -22,7 +22,8 @@ def where_node(self, compiler, connection):
     if self.connector == AND:
         operator = "$and"
     elif self.connector == XOR:
-        raise NotImplementedError
+        # https://github.com/mongodb-labs/django-mongodb/issues/27
+        raise NotImplementedError("XOR is not yet supported.")
     else:
         operator = "$or"