feat!: upgrade to django42

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
       matrix:
         os: [ubuntu-20.04]
         python-version: ['3.8']
-        toxenv: [django32, django42, quality, pii_check]
+        toxenv: [django42, quality, pii_check]
 
     steps:
     - uses: actions/checkout@v2

Makefile

@@ -98,6 +98,10 @@ migrate: ## apply database migrations
 html_coverage: ## generate and view HTML coverage report
 	coverage html && open htmlcov/index.html
 
+define COMMON_CONSTRAINTS_TEMP_COMMENT
+# This is a temporary solution to override the real common_constraints.txt\n# In edx-lint, until the pyjwt constraint in edx-lint has been removed.\n# See BOM-2721 for more details.\n# Below is the copied and edited version of common_constraints\n
+endef
+
 COMMON_CONSTRAINTS_TXT=requirements/common_constraints.txt
 .PHONY: $(COMMON_CONSTRAINTS_TXT)
 $(COMMON_CONSTRAINTS_TXT):
@@ -108,6 +112,8 @@ upgrade: export CUSTOM_COMPILE_COMMAND=make upgrade
 upgrade: piptools $(COMMON_CONSTRAINTS_TXT) ## update the requirements/*.txt files with the latest packages satisfying requirements/*.in
 	sed 's/django-simple-history==3.0.0//g' requirements/common_constraints.txt > requirements/common_constraints.tmp
 	mv requirements/common_constraints.tmp requirements/common_constraints.txt
+	sed 's/Django<4.0//g' requirements/common_constraints.txt > requirements/common_constraints.tmp
+	mv requirements/common_constraints.tmp requirements/common_constraints.txt
 	# Make sure to compile files after any other files they include!
 	pip-compile --upgrade --allow-unsafe --rebuild -o requirements/pip.txt requirements/pip.in
 	pip-compile --upgrade -o requirements/pip-tools.txt requirements/pip-tools.in

edx_exams/settings/base.py

@@ -130,6 +130,11 @@ def root(*path_fragments):
 
 USE_TZ = True
 
+# Django 4.0+ uses zoneinfo if this is not set. We can remove this and
+# migrate to zoneinfo after Django 4.2 upgrade. See more on following url
+# https://docs.djangoproject.com/en/4.2/releases/4.0/#zoneinfo-default-timezone-implementation
+USE_DEPRECATED_PYTZ = True
+
 LOCALE_PATHS = (
     root('conf', 'locale'),
 )

requirements/constraints.txt

@@ -10,3 +10,6 @@
 
 # Common constraints for edx repos
 -c common_constraints.txt
+
+# Stay on LTS
+Django<5.0

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py38-django{32,42}, quality, docs, pii_check
+envlist = py38-django{42}, quality, docs, pii_check
 skipsdist = true
 
 [doc8]
@@ -43,7 +43,6 @@ filterwarnings =
 
 [testenv]
 deps =
-    django32: Django>=3.2,<4.0
     django42: Django>=4.2,<4.3
     -r{toxinidir}/requirements/test.txt
 commands =