init migration to django 4.x

blogapp/models.py

@@ -10,7 +10,7 @@ class blogcategory(models.Model):
 
 
 class blogentry(models.Model):
-    user = models.ForeignKey(User)
+    user = models.ForeignKey(User, on_delete=models.CASCADE)
     date = models.DateTimeField('date')
     header = models.CharField(max_length=100)
     intro = models.CharField(max_length=1000)
@@ -24,7 +24,7 @@ class blogentry(models.Model):
 
 class blogcomment(models.Model):
     blogentry = models.ForeignKey(blogentry, on_delete=models.CASCADE)
-    user = models.ForeignKey(User, null=True, blank=True)
+    user = models.ForeignKey(User, null=True, blank=True, on_delete=models.CASCADE)
     guestname = models.CharField(max_length=20)
     body = models.CharField(max_length=300)
     date = models.DateTimeField('date')

blogapp/urls.py

@@ -1,10 +1,10 @@
-from django.conf.urls import url
+from django.urls import include, re_path
 
 from . import views
 
 urlpatterns = [
-    url(r'^$', views.listall, name='listall'),
-    url(r'^(?P<blogentry_id>\d+)/$', views.detail, name='detail'),
-    url(r'^category/(?P<category_id>\d+)/$', views.list_category, name='category'),
-    #url(r'^$', views.detail, name='detail'),
+    re_path(r'^$', views.listall, name='listall'),
+    re_path(r'^(?P<blogentry_id>\d+)/$', views.detail, name='detail'),
+    re_path(r'^category/(?P<category_id>\d+)/$', views.list_category, name='category'),
+    #re_path(r'^$', views.detail, name='detail'),
 ]

manage.py

@@ -2,9 +2,27 @@
 import os
 import sys
 
-if __name__ == "__main__":
-    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "polysite.settings")
+#if __name__ == "__main__":
+#    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "polysite.settings")##
 
-    from django.core.management import execute_from_command_line
+#    from django.core.management import execute_from_command_line
 
+#    execute_from_command_line(sys.argv)
+    
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'polysite.settings')
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
     execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+    main()
+

polysite/globals.py

@@ -3,7 +3,7 @@ from imageapp.models import BlogImage
 from blogapp.models import blogentry, blogcategory, blogcomment
 
 
-class CustomRenderer(mistune.Renderer):
+class CustomRenderer(mistune.HTMLRenderer):
     def image(self, src, title, alt_text):
         try:
             img = BlogImage.objects.get(pk=src)

polysite/settings.py

@@ -11,9 +11,11 @@ https://docs.djangoproject.com/en/1.9/ref/settings/
 """
 
 import os
+from pathlib import Path
 
 # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
-BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+#BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+BASE_DIR = Path(__file__).resolve().parent.parent
 
 
 # Quick-start development settings - unsuitable for production
@@ -31,26 +33,26 @@ ALLOWED_HOSTS = []
 # Application definition
 
 INSTALLED_APPS = [
-    'blogapp.apps.BlogappConfig',
-    'pageapp.apps.PageappConfig',
-    'imageapp.apps.ImageappConfig',
     'django.contrib.admin',
     'django.contrib.auth',
     'django.contrib.contenttypes',
     'django.contrib.sessions',
     'django.contrib.messages',
     'django.contrib.staticfiles',
+    'blogapp.apps.BlogappConfig',
+    'pageapp.apps.PageappConfig',
+    'imageapp.apps.ImageappConfig',
 ]
 
-MIDDLEWARE_CLASSES = [
+MIDDLEWARE = [
     'django.middleware.security.SecurityMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
     'django.middleware.common.CommonMiddleware',
     'django.middleware.csrf.CsrfViewMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',
-    'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
     'django.middleware.clickjacking.XFrameOptionsMiddleware',
+
 ]
 
 ROOT_URLCONF = 'polysite.urls'

polysite/urls.py

@@ -13,7 +13,7 @@ Including another URLconf
     1. Import the include() function: from django.conf.urls import url, include
     2. Add a URL to urlpatterns:  url(r'^blog/', include('blog.urls'))
 """
-from django.conf.urls import url, include
+from django.urls import include, re_path
 from django.contrib import admin
 from pageapp.views import aboutpage, contactpage
 #from blogapp.views import listall
@@ -22,10 +22,10 @@ from django.conf.urls.static import static
 from . import views, settings
 
 urlpatterns = [
-    url(r'^$', views.redi),
-    url(r'^blog/', include('blogapp.urls')),
-    url(r'^admin/', admin.site.urls),
-    url(r'^about/', aboutpage, name='about'),
-    url(r'^contact/', contactpage, name='contact'),
-    # url(r'^', listall),
+    re_path(r'^$', views.redi),
+    re_path(r'^blog/', include('blogapp.urls')),
+    re_path(r'^admin/', admin.site.urls),
+    re_path(r'^about/', aboutpage, name='about'),
+    re_path(r'^contact/', contactpage, name='contact'),
+    # re_path(r'^', listall),
 ] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)