Fixed filter_queryset bug

The reduce statement coundn't handle multiple lookup strings.

django_select2/__init__.py

@@ -9,4 +9,4 @@ The app includes Select2 driven Django Widgets and Form Fields.
 
 """
 
-__version__ = "5.0.2"
+__version__ = "5.0.3"

django_select2/forms.py

@@ -311,7 +311,7 @@ class ModelSelect2Mixin(object):
         """
         qs = self.get_queryset()
         search_fields = self.get_search_fields()
-        select = reduce(lambda x, y: Q(**{x: term}) | Q(**{y: term}), search_fields,
+        select = reduce(lambda x, y: x | Q(**{y: term}), search_fields,
                         Q(**{search_fields.pop(): term}))
         return qs.filter(select).distinct()
 

tests/test_forms.py

@@ -19,7 +19,8 @@ from django_select2.forms import (
     Select2Widget
 )
 from tests.testapp import forms
-from tests.testapp.forms import NUMBER_CHOICES, HeavySelect2MultipleWidgetForm
+from tests.testapp.forms import NUMBER_CHOICES, HeavySelect2MultipleWidgetForm, \
+    TitleModelSelect2Widget
 from tests.testapp.models import Genre
 
 
@@ -148,6 +149,10 @@ class TestModelSelect2Mixin(TestHeavySelect2Mixin):
         assert isinstance(widget.get_search_fields(), collections.Iterable)
         assert all(isinstance(x, text_type) for x in widget.get_search_fields())
 
+    def test_filter_queryset(self, genres):
+        widget = TitleModelSelect2Widget(queryset=Genre.objects.all())
+        assert widget.filter_queryset(genres[0].title[:3]).exists()
+
     def test_model_kwarg(self):
         widget = ModelSelect2Widget(model=Genre, search_fields=['title__icontains'])
         genre = Genre.objects.last()

tests/testapp/forms.py

@@ -14,7 +14,8 @@ from tests.testapp.models import Album
 
 class TitleSearchFieldMixin(object):
     search_fields = [
-        'title__icontains'
+        'title__icontains',
+        'pk__startswith'
     ]