chore: Django bump to <=5.0

.github/workflows/django.yml

@@ -12,11 +12,11 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.8", "3.9", "3.10", "3.11"]
 
     services:
       dynamodb:
-        image: amazon/dynamodb-local
+        image: amazon/dynamodb-local:1.21.0
         ports:
           - 8000:8000
 

pydjamodb/test_runner.py

@@ -1,8 +1,10 @@
+import multiprocessing
 import os
 import sys
 
+import django
 from django.db import connections
-from django.test.runner import ParallelTestSuite, DiscoverRunner
+from django.test.runner import ParallelTestSuite, DiscoverRunner, setup_test_environment
 
 from .connection import TestTableConnection
 from .models import dynamodb_model_classes
@@ -37,22 +39,45 @@ def recreate_pynamodb_table(model_class):
 _worker_id = 0
 
 
-def _init_worker(counter):
+def _init_worker(
+    counter,
+    initial_settings=None,
+    serialized_contents=None,
+    process_setup=None,
+    process_setup_args=None,
+    debug_mode=None,
+):
+    """
+    Switch to databases dedicated to this worker.
+
+    This helper lives at module-level because of the multiprocessing module's
+    requirements.
+    """
+
     global _worker_id
 
     with counter.get_lock():
         counter.value += 1
         _worker_id = counter.value
 
+    start_method = multiprocessing.get_start_method()
+
+    if start_method == "spawn":
+        if process_setup and callable(process_setup):
+            if process_setup_args is None:
+                process_setup_args = ()
+            process_setup(*process_setup_args)
+        django.setup()
+        setup_test_environment(debug=debug_mode)
+
     for alias in connections:
         connection = connections[alias]
-        settings_dict = connection.creation.get_test_db_clone_settings(str(_worker_id))
-        # connection.settings_dict must be updated in place for changes to be
-        # reflected in django.db.connections. If the following line assigned
-        # connection.settings_dict = settings_dict, new threads would connect
-        # to the default database instead of the appropriate clone.
-        connection.settings_dict.update(settings_dict)
-        connection.close()
+        if start_method == "spawn":
+            # Restore initial settings in spawned processes.
+            connection.settings_dict.update(initial_settings[alias])
+            if value := serialized_contents.get(alias):
+                connection._test_serialized_contents = value
+        connection.creation.setup_worker_connection(_worker_id)
 
     init_pynamodb_test_prefix(_worker_id)
 

setup.py

@@ -3,7 +3,7 @@
 
 setup(
     name='skip-pydjamodb',
-    version='0.0.11',
+    version='0.1.0',
     description="Django interface to PyDjamoDB.",
     keywords='django, DynamoDB, PyDjamoDB',
     author='Lubos Matl',
@@ -27,7 +27,7 @@
         'Topic :: Internet :: WWW/HTTP :: Site Management',
     ],
     install_requires=[
-        'django>=2.0, <4.0',
+        'django~=4.2',
     ],
     zip_safe=False
 )

tests/requirements.txt

@@ -1,5 +1,6 @@
-django>=2.0, <4.0
+django~=4.2
+botocore==1.29.165
 pynamodb==5.3.4
-skip-django-germanium==2.3.7.1
+skip-django-germanium @ git+https://github.com/skip-pay/germanium@tda/chore/django_bump
 flake8
 coveralls