Upgrade to Django 2.2 and modern DRF and py.test (#1246)

* Upgrade django and stuff

* Update to Django 2.2 and recent versions of similar packages

* Provide explicit orderings to all models used in paginated queries

* Resolve naive datetime warnings in test suite

* Deal with deprecation warnings

* Fix sqlparse version

src/requirements/dev.txt

@@ -1,5 +1,5 @@
-django-debug-toolbar==1.9.1
-sqlparse==0.2.1  # pinned due to difficulties with django-debug-toolbar
+django-debug-toolbar==1.11
+sqlparse==0.3.*  # pinned due to difficulties with django-debug-toolbar
 # Testing requirements
 pycodestyle==2.5.*
 pyflakes==2.1.*
@@ -7,15 +7,16 @@ pep8-naming
 flake8==3.7.*
 codecov
 coverage
-pytest==3.6.*
+pytest==4.4.*
 pytest-django
-pytest-xdist==1.27.*
 isort
-pytest-rerunfailures==4.*
-pytest-mock==1.6.*
-pytest-cache
-pytest-sugar
+pytest-rerunfailures==7.*
+pytest-mock==1.10.*
 responses
 potypo
 freezegun
 
+# Not really required, just nice to have
+pytest-xdist==1.28.*
+pytest-cache
+pytest-sugar

src/requirements/production.txt

@@ -1,19 +1,19 @@
 # Functional requirements
-Django>=2.1,<2.2
-djangorestframework==3.8.*
-python-dateutil
+Django==2.2.*
+djangorestframework==3.9.*
+python-dateutil==2.8.*
 pytz
-django-bootstrap3==10.0.*
+django-bootstrap3==11.0.*
 django-formset-js-improved==0.5.0.2
 django-compressor==2.2.*
 django-hierarkey==1.0.*,>=1.0.3
-django-filter==2.0.*
+django-filter==2.1.*
 reportlab==3.5.*
 PyPDF2==1.26.*
 Pillow==5.*
 django-libsass
 libsass
-django-otp==0.4.*
+django-otp==0.5.*
 python-u2flib-server==4.*
 django-formtools==2.1
 celery==4.3.*
@@ -28,7 +28,7 @@ dj-static
 csscompressor
 django-markup
 markdown<=2.2
-bleach==2.*
+bleach==3.1.*
 sentry-sdk==0.7.*
 babel
 django-i18nfield>=1.4.0