Django 41x (#166)

* Drop support for Django 3.1
* Support Django up to 4.1
* Add support for Python 3.11
* Release v1.8.0

Author: r4fek

.flake8

@@ -1,43 +1,28 @@
 [flake8]
 max-line-length = 88
 max-complexity = 42
-# http://flake8.pycqa.org/en/2.5.5/warnings.html#warning-error-codes
 ignore =
-  # pydocstyle - docstring conventions (PEP257)
-  D100	# Missing docstring in public module
-  D101	# Missing docstring in public class
-  D102	# Missing docstring in public method
-  D103	# Missing docstring in public function
-  D104	# Missing docstring in public package
-  D105	# Missing docstring in magic method
-  D106	# Missing docstring in public nested class
-  D107	# Missing docstring in __init__
-  D403  # First word of the first line should be properly capitalized
-  D412  # No blank lines allowed between a section header and its content
-  # pycodestyle - style checker (PEP8)
-  W503  # line break before binary operator
-  # the following are ignored in CI using --extend-ignore option:
-  D205  # [pydocstyle] 1 blank line required between summary line and description
-  D400  # [pydocstyle] First line should end with a period
-  S404  # Consider possible security implications associated with the subprocess module.
-  S603  # subprocess call - check for execution of untrusted input.
-  D401  # [pydocstyle] First line should be in imperative mood
-  ; S308  # [bandit] Use of mark_safe() may expose cross-site scripting vulnerabilities and should be reviewed.
-  ; S703  # [bandit] Potential XSS on mark_safe function.
-  S101  # use of assert
-  
+  D100
+  D101
+  D102
+  D103
+  D104
+  D105
+  D106
+  D107
+  D403
+  D412
+  W503
+  D205
+  D400
+  S404
+  S603
+  D401
+  S101
+
 per-file-ignores =
-  ; D205 - 1 blank line required between summary line and description
-  ; D400 - First line should end with a period
-  ; D401 - First line should be in imperative mood
-  ; S101  # use of assert
-  ; S106 - hard-coded password
-  ; E501 - line-length
-  ; E731 - assigning a lambda to a variable
   *tests/*:D205,D400,D401,S101,S106,E501,E731
   */migrations/*:E501
-  ; F403 - unable to detect undefined names
-  ; F405 - may be undefined, or defined from star imports
   */settings.py:F403,F405
   */settings/*:F403,F405
   */compat.py:F401

.github/workflows/tox.yml

@@ -20,12 +20,12 @@ jobs:
 
     steps:
       - name: Check out the repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
-      - name: Set up Python 3.9
-        uses: actions/setup-python@v2
+      - name: Set up Python 3.10
+        uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: "3.10"
 
       - name: Install and run tox
         run: |
@@ -37,23 +37,23 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10']
-        django-version: ['30', '31', '32', '40', 'master']
+        python-version: ['3.8', '3.9', '3.10', '3.11']
+        django-version: ['32', '40', '4.1']
 
     env:
       TOXENV: py${{ matrix.python-version }}-django${{ matrix.django-version }}
 
     services:
       cassandra:
-        image: cassandra:3.11.11
+        image: scylladb/scylla:5.1.2
         ports:
           - 9042:9042
     steps:
       - name: Check out the repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
 

LICENSE.txt

@@ -1,4 +1,4 @@
-Copyright (c) 2014-2022, Rafał Furmański <r.furmanski@gmail.com>
+Copyright (c) 2014-2023, Rafał Furmański <r.furmanski@gmail.com>
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without

README.md

@@ -102,6 +102,6 @@ To connect to a hosted Cassandra cluster that provides a secure connection bundl
 The documentation can be found online [here](http://r4fek.github.io/django-cassandra-engine/).
 
 ## License ##
-Copyright (c) 2014-2022, [Rafał Furmański](https://linkedin.com/in/furmanski).
+Copyright (c) 2014-2023, [Rafał Furmański](https://linkedin.com/in/furmanski).
 
 All rights reserved. Licensed under BSD 2-Clause License.

django_cassandra_engine/base/__init__.py

@@ -49,7 +49,6 @@ class NotSupportedError(DatabaseError):
 
 
 class DatabaseWrapper(BaseDatabaseWrapper):
-
     Database = Database
     vendor = "cassandra"
 

django_cassandra_engine/base/creation.py

@@ -36,8 +36,9 @@ def create_test_db(self, verbosity=1, autoclobber=False, **kwargs):
             if verbosity >= 2:
                 test_db_repr = " ('%s')" % test_database_name
             logger.info(
-                "Creating test database for alias '%s'%s..."
-                % (self.connection.alias, test_db_repr)
+                "Creating test database for alias '%s'%s...",
+                self.connection.alias,
+                test_db_repr,
             )
 
         options = self.connection.settings_dict.get("OPTIONS", {})
@@ -76,7 +77,7 @@ def create_test_db(self, verbosity=1, autoclobber=False, **kwargs):
         # restore the original connection options
         if not connection_options_copy.get("schema_metadata_enabled", True):
             logger.info(
-                "Disabling metadata on %s" % self.connection.settings_dict["NAME"]
+                "Disabling metadata on %s", self.connection.settings_dict["NAME"]
             )
             options["connection"]["schema_metadata_enabled"] = connection_options_copy[
                 "schema_metadata_enabled"
@@ -87,7 +88,6 @@ def create_test_db(self, verbosity=1, autoclobber=False, **kwargs):
         return test_database_name
 
     def _destroy_test_db(self, test_database_name, verbosity=1, **kwargs):
-
         drop_keyspace(test_database_name, connections=[self.connection.alias])
 
     def set_models_keyspace(self, keyspace):

django_cassandra_engine/base/features.py

@@ -1,3 +1,5 @@
+from functools import cached_property
+
 from django.db.backends.base.features import BaseDatabaseFeatures
 
 
@@ -10,3 +12,7 @@ class CassandraDatabaseFeatures(BaseDatabaseFeatures):
     uses_savepoints = False
     requires_rollback_on_dirty_transaction = False
     atomic_transactions = True
+
+    @cached_property
+    def supports_transactions(self):
+        return False

django_cassandra_engine/management/commands/sync_cassandra.py

@@ -87,7 +87,6 @@ def sync(self, alias):
                 management.sync_table(model, keyspaces=[keyspace], connections=[alias])
 
     def handle(self, **options):
-
         self._import_management()
 
         database = options.get("database")

django_cassandra_engine/rest/serializers.py

@@ -75,7 +75,7 @@ def get_field_kwargs(self, field_name, model_field):
         if model_field.has_default or model_field.blank or model_field.null:
             kwargs["required"] = False
 
-        if model_field.null and not isinstance(model_field, models.NullBooleanField):
+        if model_field.null:
             kwargs["allow_null"] = True
 
         if model_field.blank and (

docs/changelog.md

@@ -1,5 +1,11 @@
 # Django Cassandra Engine - CHANGELOG
 
+## Version 1.8.0 (02.02.2023)
+
+* Drop support for Django 3.1
+* Support Django up to 4.1
+* Add support for Python 3.11
+
 ## Version 1.7.0 (11.01.2022)
 
 * Fix(command/dbshell): Avoid raise TypeError when django-3.2 pass `options['parameters']` (#154) - thanks @icycandle!