Include tests and examples in source package, but don't install them (#1034)

..., but don't install them.
Also applied changes as suggested by `black`.

Author: crazyscientist

MANIFEST.in

@@ -1,3 +1,6 @@
 include README.md LICENSE
 recursive-include graphene_django/templates *
 recursive-include graphene_django/static *
+
+include examples/cookbook/cookbook/ingredients/fixtures/ingredients.json
+include examples/cookbook-plain/cookbook/ingredients/fixtures/ingredients.json

django_test_settings.py

@@ -0,0 +1,30 @@
+import sys
+import os
+
+ROOT_PATH = os.path.dirname(os.path.abspath(__file__))
+sys.path.insert(0, ROOT_PATH + "/examples/")
+
+SECRET_KEY = 1
+
+INSTALLED_APPS = [
+    "graphene_django",
+    "graphene_django.rest_framework",
+    "graphene_django.tests",
+    "examples.starwars",
+]
+
+DATABASES = {
+    "default": {"ENGINE": "django.db.backends.sqlite3", "NAME": "django_test.sqlite"}
+}
+
+TEMPLATES = [
+    {
+        "BACKEND": "django.template.backends.django.DjangoTemplates",
+        "DIRS": [],
+        "APP_DIRS": True,
+    }
+]
+
+GRAPHENE = {"SCHEMA": "graphene_django.tests.schema_view.schema"}
+
+ROOT_URLCONF = "graphene_django.tests.urls"

examples/__init__.py

@@ -267,7 +267,7 @@ def resolve_reporters(_, info):
         result = schema.execute(query)
 
         assert not result.errors
-        assert result.data == {"reporters": [{"firstName": "Tara"},]}
+        assert result.data == {"reporters": [{"firstName": "Tara"}]}
 
     def test_resolve_list(self):
         """Resolving a plain list should work (and not call get_queryset)"""
@@ -314,7 +314,7 @@ def resolve_reporters(_, info):
         result = schema.execute(query)
 
         assert not result.errors
-        assert result.data == {"reporters": [{"firstName": "Debra"},]}
+        assert result.data == {"reporters": [{"firstName": "Debra"}]}
 
     def test_get_queryset_foreign_key(self):
         class Article(DjangoObjectType):
@@ -371,7 +371,7 @@ class Query(ObjectType):
         assert not result.errors
         assert result.data == {
             "reporters": [
-                {"firstName": "Tara", "articles": [{"headline": "Amazing news"},],},
+                {"firstName": "Tara", "articles": [{"headline": "Amazing news"}]},
                 {"firstName": "Debra", "articles": []},
             ]
         }

examples/cookbook-plain/__init__.py

@@ -1,2 +1,2 @@
 [pytest]
-DJANGO_SETTINGS_MODULE = django_test_settings
+DJANGO_SETTINGS_MODULE = examples.django_test_settings

examples/cookbook/__init__.py

@@ -58,7 +58,7 @@
         "Framework :: Django :: 3.0",
     ],
     keywords="api graphql protocol rest relay graphene",
-    packages=find_packages(exclude=["tests"]),
+    packages=find_packages(exclude=["tests", "examples", "examples.*"]),
     install_requires=[
         "six>=1.10.0",
         "graphene>=2.1.7,<3",

examples/django_test_settings.py

@@ -25,7 +25,7 @@ DJANGO =
 passenv = *
 usedevelop = True
 setenv =
-    DJANGO_SETTINGS_MODULE=django_test_settings
+    DJANGO_SETTINGS_MODULE=examples.django_test_settings
 deps =
     -e.[test]
     psycopg2-binary