Update to Django 2.2

Upgrade site and modules to Django 2.2. Remove and replace obsolete
functionality with current equivalents. Update requirements to latest
versions where possible. Remove unused dependencies.

constraints.txt

@@ -1,2 +1,2 @@
-django<1.12,>=1.11
-pysaml2==4.8.0
+django<3.0,>=2.2
+pysaml2>=5.3.0

docker/Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.6-stretch as symposion_base
+FROM python:3.8-buster as symposion_base
 
 RUN set -ex \
     && apt-get update
@@ -25,6 +25,7 @@ RUN set -ex \
 COPY constraints.txt requirements.txt /reqs/
 
 RUN set -ex \
+    && pip install -U pip \
     && pip install --no-cache-dir -r /reqs/requirements.txt -c /reqs/constraints.txt \
     && apt-get purge -y --auto-remove $buildDeps \
     && rm -rf /usr/src/python ~/.cache

pinaxcon/devmode_settings.py

@@ -8,3 +8,5 @@ LOGIN_URL='/accounts/login'
 ROOT_URLCONF = "pinaxcon.devmode_urls"
 
 DEFAULT_FILE_STORAGE = 'django.core.files.storage.FileSystemStorage'
+
+INTERNAL_IPS = ['*']

pinaxcon/devmode_urls.py

@@ -1,11 +1,11 @@
-from django.conf.urls import include, url
-from django.contrib.auth.views import login, logout
+from django.contrib.auth.views import LoginView, LogoutView
+from django.urls import include, path
 
 from pinaxcon import urls
 
 urlpatterns = [
-    url(r'^accounts/logout', logout, {'template_name': 'admin/logout.html'}),
-    url(r'^accounts/login', login, {'template_name': 'admin/login.html'}),
+    path('accounts/logout', LogoutView.as_view(template_name='admin/logout.html')),
+    path('accounts/login', LoginView.as_view(template_name='admin/login.html')),
 ]
 
 urlpatterns += urls.urlpatterns

pinaxcon/monkey_patch.py

@@ -4,8 +4,13 @@ from functools import wraps
 class MonkeyPatchMiddleware(object):
     ''' Ensures that our monkey patching only gets called after it is safe to do so.'''
 
-    def process_request(self, request):
+    def __init__(self, get_response):
+        self.get_response = get_response
+
+    def __call__(self, request):
         do_monkey_patch()
+        response = self.get_response(request)
+        return response
 
 
 def do_monkey_patch():
@@ -53,7 +58,7 @@ def patch_stripe_payment_form():  # noqa: C901
                 if not isinstance(value, HttpRequest):
                     continue
                 user = value.user
-                if not user.is_authenticated():
+                if not user.is_authenticated:
                     break
                 try:
                     attendee_profile = models.AttendeeProfile.objects.get(

pinaxcon/raffle/models.py

@@ -1,3 +1,4 @@
+from django.conf import settings
 from django.db import models
 
 from pinaxcon.raffle.mixins import PrizeMixin, RaffleMixin
@@ -26,11 +27,18 @@ class Prize(PrizeMixin, models.Model):
     unlocked.
     """
     description = models.CharField(max_length=255)
-    raffle = models.ForeignKey('pinaxcon_raffle.Raffle', related_name='prizes')
+    raffle = models.ForeignKey(
+        'pinaxcon_raffle.Raffle',
+        related_name='prizes',
+        on_delete=models.CASCADE,
+    )
     order = models.PositiveIntegerField()
     winning_ticket = models.OneToOneField(
-        'pinaxcon_raffle.DrawnTicket', null=True,
-        blank=True, related_name='+', on_delete=models.PROTECT
+        'pinaxcon_raffle.DrawnTicket',
+        null=True,
+        blank=True,
+        related_name='+',
+        on_delete=models.PROTECT,
     )
 
     class Meta:
@@ -45,9 +53,16 @@ class PrizeAudit(models.Model):
     Stores an audit event for changes to a particular :model:`pinaxcon_raffle.Prize`.
     """
     reason = models.CharField(max_length=255)
-    prize = models.ForeignKey('pinaxcon_raffle.Prize', related_name='audit_events')
+    prize = models.ForeignKey(
+        'pinaxcon_raffle.Prize',
+        related_name='audit_events',
+        on_delete=models.CASCADE,
+    )
 
-    user = models.ForeignKey('auth.User')
+    user = models.ForeignKey(
+        settings.AUTH_USER_MODEL,
+        on_delete=models.CASCADE,
+    )
     timestamp = models.DateTimeField(auto_now_add=True)
 
     class Meta:
@@ -62,8 +77,15 @@ class Draw(models.Model):
     Stores a draw for a given :model:`pinaxcon_raffle.Raffle`, along with audit fields
     for the creating :model:`auth.User` and the creation timestamp.
     """
-    raffle = models.ForeignKey('pinaxcon_raffle.Raffle', related_name='draws')
-    drawn_by = models.ForeignKey('auth.User')
+    raffle = models.ForeignKey(
+        'pinaxcon_raffle.Raffle',
+        related_name='draws',
+        on_delete=models.CASCADE,
+    )
+    drawn_by = models.ForeignKey(
+        settings.AUTH_USER_MODEL,
+        on_delete=models.CASCADE,
+    )
     drawn_time = models.DateTimeField(auto_now_add=True)
 
     def __str__(self):
@@ -78,9 +100,18 @@ class DrawnTicket(models.Model):
     """
     ticket = models.CharField(max_length=255)
 
-    draw = models.ForeignKey('pinaxcon_raffle.Draw')
-    prize = models.ForeignKey('pinaxcon_raffle.Prize')
-    lineitem = models.ForeignKey('registrasion.LineItem')
+    draw = models.ForeignKey(
+        'pinaxcon_raffle.Draw',
+        on_delete=models.CASCADE,
+    )
+    prize = models.ForeignKey(
+        'pinaxcon_raffle.Prize',
+        on_delete=models.CASCADE,
+    )
+    lineitem = models.ForeignKey(
+        'registrasion.LineItem',
+        on_delete=models.CASCADE,
+    )
 
     def __str__(self):
         return f"{self.ticket}: {self.draw.raffle}"

pinaxcon/registrasion/management/commands/dummy_presentations.py

@@ -1,4 +1,4 @@
-from django.contrib.auth.models import User
+from django.contrib.auth import get_user_model
 from django.core.management.base import BaseCommand
 
 from symposion.conference.models import Section, current_conference
@@ -8,6 +8,8 @@ from symposion.schedule.models import Presentation
 from symposion.proposals.models import ProposalKind
 from pinaxcon.proposals.models import TalkProposal
 
+User = get_user_model()
+
 
 class Command(BaseCommand):
 

pinaxcon/settings.py

@@ -8,6 +8,7 @@ import saml2
 import saml2.saml
 
 from datetime import date, datetime, timedelta
+import pytz
 
 from dataclasses import dataclass
 
@@ -124,7 +125,7 @@ else:
 
 ALLOWED_HOSTS = ['127.0.0.1', 'localhost', '*']
 
-TIME_ZONE = "Australia/Brisbane"
+TIME_ZONE = "Australia/Melbourne"
 DATE_FORMAT = "j F Y"
 LANGUAGE_CODE = "en-au"
 
@@ -176,12 +177,12 @@ TEMPLATES = [
     },
 ]
 
-MIDDLEWARE_CLASSES = [
+MIDDLEWARE = [
+    "whitenoise.middleware.WhiteNoiseMiddleware",
     "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",
     "debug_toolbar.middleware.DebugToolbarMiddleware",
     "reversion.middleware.RevisionMiddleware",
@@ -200,6 +201,7 @@ else:
 WSGI_APPLICATION = "pinaxcon.wsgi.application"
 
 INSTALLED_APPS = [
+    "whitenoise.runserver_nostatic",
     "django.contrib.admin",
     "django.contrib.auth",
     "django.contrib.contenttypes",
@@ -224,6 +226,7 @@ INSTALLED_APPS = [
     "taggit",
     "reversion",
     "sitetree",
+    "django_jsonfield_backport",
     "pinax.eventlog",
 
     # symposion
@@ -283,9 +286,12 @@ DEBUG_TOOLBAR_PANELS = [
 
 DEBUG_TOOLBAR_CONFIG = {
     'INTERCEPT_REDIRECTS': False,
-    'SHOW_TOOLBAR_CALLBACK': lambda x: DEBUG,
 }
 
+INTERNAL_IPS = [
+    '127.0.0.1',
+]
+
 from debug_toolbar.panels.logging import collector
 LOGGING = {
     'version': 1,
@@ -502,9 +508,10 @@ class PenguinDinnerCat(Category):
         return t
 
 
-LCA_START = datetime(2021, 1, 23)
-LCA_END = datetime(2021, 1, 25)
-EARLY_BIRD_DEADLINE = datetime(2020, 12, 1)
+_TZINFO = pytz.timezone(TIME_ZONE)
+LCA_START = datetime(2021, 1, 23, tzinfo=_TZINFO)
+LCA_END = datetime(2021, 1, 25, tzinfo=_TZINFO)
+EARLY_BIRD_DEADLINE = datetime(2020, 12, 1, tzinfo=_TZINFO)
 PENGUIN_DINNER_TICKET_DATE = date(2021, 1, 23)
 SPEAKER_DINNER_TICKET_DATE = date(2021, 1, 25)
 PDNS_TICKET_DATE = date(2021, 1, 24)

pinaxcon/templates/403_csrf.html

@@ -1,5 +1,5 @@
 {% extends "site_base.html" %}
-{% load staticfiles %}
+{% load static %}
 
 {% load i18n %}
 

pinaxcon/templates/404.html

@@ -1,5 +1,5 @@
 {% extends "site_base.html" %}
-{% load staticfiles %}
+{% load static %}
 
 {% load i18n %}
 

pinaxcon/templates/dashboard.html

@@ -1,12 +1,11 @@
 {% extends "site_base.html" %}
-{% load staticfiles %}
+{% load static %}
 {% load i18n %}
 
 {% load review_tags %}
 {% load teams_tags %}
 {% load registrasion_tags %}
 {% load lca2018_tags %}
-{% load staticfiles %}
 
 
 {% block head_title %}Dashboard{% endblock %}

pinaxcon/templates/raffle.html

@@ -1,7 +1,7 @@
 {% extends "site_base.html" %}
 {% load registrasion_tags %}
 {% load lca2018_tags %}
-{% load staticfiles %}
+{% load static %}
 
 {% block head_title %}Raffle Tickets{% endblock %}
 {% block page_title %}Raffle Tickets{% endblock %}

pinaxcon/templates/raffle_draw.html

@@ -1,7 +1,7 @@
 {% extends "site_base.html" %}
 {% load registrasion_tags %}
 {% load lca2018_tags %}
-{% load staticfiles %}
+{% load static %}
 
 {% block head_title %}Raffle Winners{% endblock %}
 {% block page_title %}Raffle Winners{% endblock %}

pinaxcon/templates/registrasion/base.html

@@ -1,5 +1,5 @@
 {% extends "site_base.html" %}
-{% load staticfiles %}
+{% load static %}
 {% load lca2018_tags %}
 {% load i18n %}
 

pinaxcon/templates/registrasion/invoice.html

@@ -1,7 +1,7 @@
 {% extends "registrasion/base.html" %}
 {% load registrasion_tags %}
 {% load lca2018_tags %}
-{% load staticfiles %}
+{% load static %}
 
 {% block head_title %}Tax Invoice/Statement #{{ invoice.id }}{% endblock %}
 {% block page_title %}{% conference_name %}{% endblock %}

pinaxcon/templates/site_base.html

@@ -1,4 +1,4 @@
-{% load staticfiles %}
+{% load static %}
 {% load i18n %}
 {% load sitetree %}
 {% load sass_tags %}

pinaxcon/templates/symposion/dashboard/_categories.html

@@ -5,7 +5,7 @@
 {% load registrasion_tags %}
 {% load lca2018_tags %}
 {% load lca2019_tags %}
-{% load staticfiles %}
+{% load static %}
 {% load waffle_tags %}
 
 {% if user.is_staff %}

pinaxcon/templates/symposion/proposals/base.html

@@ -1,5 +1,5 @@
 {% extends "site_base.html" %}
-{% load staticfiles %}
+{% load static %}
 
 
 {% block body_outer %}

pinaxcon/templates/symposion/reviews/base.html

@@ -1,5 +1,5 @@
 {% extends "site_base.html" %}
-{% load staticfiles %}
+{% load static %}
 
 {% load i18n %}
 

pinaxcon/templates/symposion/reviews/review_list.html

@@ -14,8 +14,10 @@
     	<h4>All proposals</h4>
     {% elif reviewed == 'user_reviewed' %}
 		<h4>Proposals you have reviewed</h4>
+	{% elif reviewed == 'user_not_reviewed' %}
+		<h4>Proposals you have not reviewed</h4>
     {% else %}
-    	<h4>Proposals you have not yet reviewed</h4>
+    	<h4>Proposals reviewed by selected reviewer</h4>
     {% endif %}
 
     {% include "symposion/reviews/_review_table.html" %}

pinaxcon/templates/symposion/reviews/review_review.html

@@ -1,5 +1,5 @@
 {% extends "site_base.html" %}
-{% load staticfiles %}
+{% load static %}
 
 {% load bootstrap %}
 

pinaxcon/templates/symposion/schedule/presentation_detail.html

@@ -3,7 +3,7 @@
 {% load lca2018_tags %}
 {% load lca2019_tags %}
 {% load sitetree %}
-{% load staticfiles %}
+{% load static %}
 {% load thumbnail %}
 
 {% block head_title %}Presentation: {{ presentation.title }}{% endblock %}

pinaxcon/templates/symposion/schedule/session_detail.html

@@ -2,7 +2,7 @@
 
 {% load lca2018_tags %}
 {% load sitetree %}
-{% load staticfiles %}
+{% load static %}
 {% load thumbnail %}
 {% load i18n %}
 

pinaxcon/templates/symposion/schedule/session_list.html

@@ -2,7 +2,7 @@
 
 {% load lca2018_tags %}
 {% load sitetree %}
-{% load staticfiles %}
+{% load static %}
 {% load thumbnail %}
 {% load i18n %}
 

pinaxcon/templatetags/lca2018_tags.py

@@ -15,7 +15,7 @@ GST_RATE = settings.GST_RATE
 register = template.Library()
 
 
-@register.assignment_tag()
+@register.simple_tag()
 def classname(ob):
     return ob.__class__.__name__
 

pinaxcon/urls.py

@@ -1,8 +1,9 @@
+import debug_toolbar
 from django.conf import settings
-from django.conf.urls import include, url
 from django.conf.urls.static import static
 from django.views.generic import RedirectView
 from django.views.generic import TemplateView
+from django.urls import include, path
 from django.contrib.flatpages.views import flatpage
 
 from django.contrib import admin
@@ -11,31 +12,30 @@ import symposion.views
 
 
 urlpatterns = [
-    url(r'^saml2/', include('djangosaml2.urls')),
-    url(r"^admin/", include(admin.site.urls)),
+    path('saml2/', include('djangosaml2.urls')),
+    path('admin/', admin.site.urls),
 
-    url(r"^speaker/", include("symposion.speakers.urls")),
-    url(r"^proposals/", include("symposion.proposals.urls")),
-    url(r"^reviews/", include("symposion.reviews.urls")),
-    url(r"^schedule/", include("symposion.schedule.urls")),
-    url(r"^conference/", include("symposion.conference.urls")),
+    path("speaker/", include("symposion.speakers.urls")),
+    path("proposals/", include("symposion.proposals.urls")),
+    path("reviews/", include("symposion.reviews.urls")),
+    path("schedule/", include("symposion.schedule.urls")),
+    path("conference/", include("symposion.conference.urls")),
 
-    url(r"^teams/", include("symposion.teams.urls")),
-    url(r'^raffle/', include("pinaxcon.raffle.urls")),
+    path("teams/", include("symposion.teams.urls")),
+    path('raffle/', include("pinaxcon.raffle.urls")),
 
     # Required by registrasion
-    url(r'^tickets/payments/', include('registripe.urls')),
-    url(r'^tickets/', include('registrasion.urls')),
-    url(r'^nested_admin/', include('nested_admin.urls')),
-    url(r'^checkin/', include('regidesk.urls')),
-    url(r'^pages/', include('django.contrib.flatpages.urls')),
+    path('tickets/payments/', include('registripe.urls')),
+    path('tickets/', include('registrasion.urls')),
+    path('nested_admin/', include('nested_admin.urls')),
+    path('checkin/', include('regidesk.urls')),
+    path('pages/', include('django.contrib.flatpages.urls')),
 
-    url(r'^dashboard/', symposion.views.dashboard, name="dashboard"),
-    url(r'^boardingpass', RedirectView.as_view(pattern_name="regidesk:boardingpass")),
+    path('dashboard/', symposion.views.dashboard, name="dashboard"),
+    path('boardingpass', RedirectView.as_view(pattern_name="regidesk:boardingpass")),
+
+    # Debug Toolbar. Always include to ensure tests work.
+    path('__debug__/', include(debug_toolbar.urls)),
 ]
 
-if settings.DEBUG:
-    import debug_toolbar
-    urlpatterns.insert(0, url(r'^__debug__/', include(debug_toolbar.urls)))
-
-urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)#
+urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)

pinaxcon/wsgi.py

@@ -5,6 +5,4 @@ os.environ.setdefault("DJANGO_SETTINGS_MODULE", "pinaxcon.settings")
 
 from django.core.wsgi import get_wsgi_application  # noqa
 
-from dj_static import Cling, MediaCling  # noqa
-
-application = Cling(MediaCling(get_wsgi_application()))
+application = get_wsgi_application()

requirements.txt

@@ -1,86 +1,51 @@
-asn1crypto==0.24.0
-bleach==2.1.3
-cachetools==2.1.0
-cairocffi==0.8.1
-CairoSVG==2.1.2
-certifi==2018.4.16
-cffi==1.11.5
-chardet==3.0.4
-coverage==4.0.3
-cryptography==2.3
-cssselect2==0.2.1
-dataclasses==0.6
-decorator==4.3.0
-defusedxml==0.5.0
-dj-database-url==0.4.2
-dj-static==0.0.6
-Django==1.11.25
-django-appconf==1.0.1
-django-bootstrap-form==3.4
-django-capture-tag==1.0
-django-compressor==2.3
-django-countries==5.3.1
-django-crispy-forms==1.7.2
-django-debug-toolbar==1.9.1
+Django>=2.2
+pinax-theme-bootstrap==8.0.1
+pinax-eventlog[django-lts]==5.1.0
 django-formset-js==0.5.0
-django-gapc-storage==0.5.1
-django-ical==1.4
-django-jquery-js==3.1.1
-django-model-utils==3.1.2
-django-nested-admin==2.2.6
-django-nose==1.4.5
-django-reversion==1.10.1
-django-sass-processor==0.7.3
-django-settings-export==1.2.1
-django-sitetree==1.10.0
-django-taggit==0.18.0
-django-timezone-field==2.1
-django-waffle==0.14.0
-djangosaml2==0.17.2
-easy-thumbnails==2.5
-future==0.16.0
-google-api-python-client==1.7.0
-google-auth==1.5.1
-google-auth-httplib2==0.0.3
-html5lib==1.0.1
-httplib2==0.11.3
-icalendar==4.0.2
-idna==2.7
-jsonfield==2.0.2
-libsass==0.19.3
-lxml==4.0.0
-mysqlclient==1.3.13
-nose==1.3.7
-oauth2client==4.1.2
-Paste==2.0.3
-Pillow==5.2.0
-pinax-eventlog==1.1.1
-pinax-stripe==3.2.1
-pinax-theme-bootstrap==7.10.2
-pyasn1==0.4.4
-pyasn1-modules==0.2.2
-pycparser==2.18
-pycryptodomex==3.6.4
-pylibmc==1.5.1
-pyOpenSSL==18.0.0
-pypng==0.0.18
-PyQRCode==1.2.1
-pysaml2==4.8.0
-python-dateutil==2.7.3
-pytz==2018.4
-rcssmin==1.0.6
-repoze.who==2.3
-requests==2.19.1
-rjsmin==1.1.0
-rsa==3.4.2
-six==1.11.0
-sqlparse==0.2.4
-static3==0.7.0
-stripe==1.38.0
-tinycss2==0.6.1
-uritemplate==3.0.0
-urllib3==1.23
-uWSGI==2.0.17.1
-webencodings==0.5.1
-WebOb==1.8.2
-zope.interface==4.5.0
+whitenoise==5.2.0
+dj-database-url==0.5.0
+pylibmc==1.6.1
+django-debug-toolbar==3.1.1
+django-bootstrap-form==3.4
+django-settings-export~=1.2.1
+django-capture-tag==1.0
+djangosaml2==0.50.0
+django-gapc-storage==0.5.2
+django-waffle==2.0.0
+
+# database
+mysqlclient==2.0.1
+
+# For testing
+django-nose==1.4.7
+coverage==5.3
+factory_boy==3.1.0
+
+# Symposion reqs
+django-appconf==1.0.4
+django-model-utils==4.0.0
+django-reversion==3.0.8
+django-sitetree==1.16.0
+django-taggit==1.3.0
+django-timezone-field==4.0
+easy-thumbnails==2.7.0
+bleach==3.2.1
+pytz>=2020.1
+django-ical==1.7.1
+
+# Registrasion reqs
+django-nested-admin==3.3.2
+CairoSVG==2.4.2
+
+# Registripe
+django-countries>=6.1.3
+pinax-stripe==4.4.0
+requests==2.24.0
+stripe==2.55.0
+
+# SASS Compiler and template tags
+libsass==0.20.1
+django-sass-processor==0.8.2
+django-compressor==2.4
+
+django-crispy-forms==1.9.2

vendor/regidesk/regidesk/forms.py

@@ -1,15 +1,13 @@
 import copy
 from regidesk import models
 
-from django import forms
-from django.core.urlresolvers import reverse
 import functools
 
 from django import forms
-from django.core.urlresolvers import reverse
 from django.core.exceptions import ValidationError
 from django.db.models import F, Q
 from django.forms import widgets
+from django.urls import reverse
 from django.utils import timezone
 
 from django_countries import countries

vendor/regidesk/regidesk/management/commands/print_badges.py

@@ -2,10 +2,13 @@
 
 from django.core.management.base import BaseCommand, CommandError
 
-from django.contrib.auth.models import User
+from django.contrib.auth import get_user_model
 from registrasion.views import _convert_img as convert_img
 from registrasion.views import render_badge_svg
 
+User = get_user_model()
+
+
 class Command(BaseCommand):
 
     def handle(self, *args, **options):

vendor/regidesk/regidesk/models.py

@@ -12,7 +12,7 @@ from django.db.models import Q, F
 from django.db.models import Case, When, Value
 from django.db.models import Count
 from django.db.models.signals import post_save
-from django.contrib.auth.models import User
+from django.contrib.auth import get_user_model
 import pyqrcode
 
 from symposion import constants
@@ -20,6 +20,8 @@ from symposion.text_parser import parse
 from registrasion.models import commerce
 from registrasion.util import generate_access_code as generate_code
 
+User = get_user_model()
+
 
 class BoardingPassTemplate(models.Model):
 
@@ -60,7 +62,7 @@ class BoardingPass(models.Model):
 
 class CheckIn(models.Model):
 
-    user = models.OneToOneField(User)
+    user = models.OneToOneField(User, on_delete=models.CASCADE)
     boardingpass = models.OneToOneField(BoardingPass, null=True,
                                         blank=True, on_delete=models.SET_NULL)
     seen = models.DateTimeField(null=True,blank=True)

vendor/regidesk/regidesk/templates/regidesk/base.html

@@ -1,5 +1,5 @@
 {% extends "site_base.html" %}
-{% load staticfiles %}
+{% load static %}
 
 {% load i18n %}
 

vendor/regidesk/regidesk/views.py

@@ -9,7 +9,8 @@ from django.conf import settings
 from django.contrib import messages
 from django.contrib.auth.decorators import permission_required, user_passes_test, login_required
 from django.contrib.auth.mixins import PermissionRequiredMixin
-from django.contrib.auth.models import User, Group
+from django.contrib.auth.models import Group
+from django.contrib.auth import get_user_model
 from django.contrib.sites.models import Site
 from django.db import transaction
 from django.db.models import F, Q
@@ -32,10 +33,10 @@ from symposion.conference.models import Conference
 from regidesk import forms
 from regidesk.models import BoardingPass, BoardingPassTemplate, CheckIn
 
-
-
+User = get_user_model()
 AttendeeProfile = util.get_object_from_name(settings.ATTENDEE_PROFILE_MODEL)
 
+
 def _staff_only(user):
     ''' Returns true if the user is staff. '''
     return user.is_staff

vendor/regidesk/requirements.txt

@@ -1,4 +1,4 @@
-django-countries>=4.0
-requests>=2.11.1
+django-countries>=6.1.3
+requests>=2.24.0
 pypng
 pyqrcode

vendor/registrasion/registrasion/admin.py

@@ -44,12 +44,14 @@ class DiscountForProductInline(admin.TabularInline):
     model = conditions.DiscountForProduct
     verbose_name = _("Product included in discount")
     verbose_name_plural = _("Products included in discount")
+    sortable_options = []
 
 
 class DiscountForCategoryInline(admin.TabularInline):
     model = conditions.DiscountForCategory
     verbose_name = _("Category included in discount")
     verbose_name_plural = _("Categories included in discount")
+    sortable_options = []
 
 
 @admin.register(conditions.TimeOrStockLimitDiscount)
@@ -137,7 +139,7 @@ class VoucherFlagInline(nested_admin.NestedStackedInline):
 
 
 @admin.register(inventory.Voucher)
-class VoucherAdmin(nested_admin.NestedAdmin):
+class VoucherAdmin(nested_admin.NestedModelAdmin):
 
     def effects(self, obj):
         ''' List the effects of the voucher in the admin. '''
@@ -178,7 +180,7 @@ class VoucherAdmin(nested_admin.NestedAdmin):
 # Enabling conditions
 @admin.register(conditions.ProductFlag)
 class ProductFlagAdmin(
-        nested_admin.NestedAdmin,
+        nested_admin.NestedModelAdmin,
         EffectsDisplayMixin):
 
     def enablers(self, obj):
@@ -194,7 +196,7 @@ class ProductFlagAdmin(
 # Enabling conditions
 @admin.register(conditions.CategoryFlag)
 class CategoryFlagAdmin(
-        nested_admin.NestedAdmin,
+        nested_admin.NestedModelAdmin,
         EffectsDisplayMixin):
 
     model = conditions.CategoryFlag
@@ -206,7 +208,7 @@ class CategoryFlagAdmin(
 
 
 @admin.register(conditions.SpeakerFlag)
-class SpeakerFlagAdmin(nested_admin.NestedAdmin, EffectsDisplayMixin):
+class SpeakerFlagAdmin(nested_admin.NestedModelAdmin, EffectsDisplayMixin):
 
     model = conditions.SpeakerFlag
     fields = ("description", "is_presenter", "is_copresenter", "proposal_kind",

vendor/registrasion/registrasion/contrib/badger.py

@@ -24,7 +24,8 @@ import pdb
 
 from django.core.management.base import BaseCommand
 
-from django.contrib.auth.models import User, Group
+from django.contrib.auth.models import Group
+from django.contrib.auth import get_user_model
 from django.db.utils import OperationalError, ProgrammingError
 from pinaxcon.registrasion.models import AttendeeProfile
 from registrasion.controllers.cart import CartController
@@ -35,6 +36,8 @@ from registrasion.models import Product
 from registrasion.models import Invoice
 from symposion.speakers.models import Speaker
 
+User = get_user_model()
+
 # A few unicode encodings ...
 GLYPH_PLUS = '+'
 GLYPH_GLASS = u'\ue001'

vendor/registrasion/registrasion/controllers/batch.py

@@ -1,7 +1,9 @@
 import contextlib
 import functools
 
-from django.contrib.auth.models import User
+from django.contrib.auth import get_user_model
+
+User = get_user_model()
 
 
 class BatchController(object):

vendor/registrasion/registrasion/controllers/item.py

@@ -6,7 +6,7 @@ from functools import reduce
 from registrasion.models import commerce
 from registrasion.models import inventory
 
-from collections import Iterable
+from collections.abc import Iterable
 from collections import namedtuple
 from django.db.models import Case
 from django.db.models import Q

vendor/registrasion/registrasion/models/commerce.py

@@ -1,7 +1,7 @@
 from . import conditions
 from . import inventory
 
-from django.contrib.auth.models import User
+from django.contrib.auth import get_user_model
 from django.core.exceptions import ValidationError
 from django.db import models
 from django.db.models import F, Q, Sum
@@ -10,6 +10,8 @@ from django.utils.encoding import python_2_unicode_compatible
 from django.utils.translation import ugettext_lazy as _
 from model_utils.managers import InheritanceManager
 
+User = get_user_model()
+
 
 # Commerce Models
 
@@ -38,7 +40,7 @@ class Cart(models.Model):
         (STATUS_RELEASED, _("Released")),
     ]
 
-    user = models.ForeignKey(User)
+    user = models.ForeignKey(User, on_delete=models.CASCADE)
     # ProductItems (foreign key)
     vouchers = models.ManyToManyField(inventory.Voucher, blank=True)
     time_last_updated = models.DateTimeField(
@@ -76,8 +78,8 @@ class ProductItem(models.Model):
         return "product: %s * %d in Cart: %s" % (
             self.product, self.quantity, self.cart)
 
-    cart = models.ForeignKey(Cart)
-    product = models.ForeignKey(inventory.Product)
+    cart = models.ForeignKey(Cart, on_delete=models.CASCADE)
+    product = models.ForeignKey(inventory.Product, on_delete=models.CASCADE)
     quantity = models.PositiveIntegerField(db_index=True)
 
 
@@ -93,9 +95,10 @@ class DiscountItem(models.Model):
         return "%s: %s * %d in Cart: %s" % (
             self.discount, self.product, self.quantity, self.cart)
 
-    cart = models.ForeignKey(Cart)
-    product = models.ForeignKey(inventory.Product)
-    discount = models.ForeignKey(conditions.DiscountBase)
+    cart = models.ForeignKey(Cart, on_delete=models.CASCADE)
+    product = models.ForeignKey(inventory.Product, on_delete=models.CASCADE)
+    discount = models.ForeignKey(conditions.DiscountBase,
+            on_delete=models.CASCADE)
     quantity = models.PositiveIntegerField()
 
 
@@ -189,8 +192,8 @@ class Invoice(models.Model):
         return self.value - self.total_payments()
 
     # Invoice Number
-    user = models.ForeignKey(User)
-    cart = models.ForeignKey(Cart, null=True)
+    user = models.ForeignKey(User, on_delete=models.CASCADE)
+    cart = models.ForeignKey(Cart, null=True, on_delete=models.CASCADE)
     cart_revision = models.IntegerField(
         null=True,
         db_index=True,
@@ -242,11 +245,12 @@ class LineItem(models.Model):
         ''' price * quantity '''
         return self.price * self.quantity
 
-    invoice = models.ForeignKey(Invoice)
+    invoice = models.ForeignKey(Invoice, on_delete=models.CASCADE)
     description = models.CharField(max_length=255)
     quantity = models.PositiveIntegerField()
     price = models.DecimalField(max_digits=8, decimal_places=2)
-    product = models.ForeignKey(inventory.Product, null=True, blank=True)
+    product = models.ForeignKey(inventory.Product, null=True, blank=True,
+            on_delete=models.CASCADE)
 
 
 @python_2_unicode_compatible
@@ -275,7 +279,7 @@ class PaymentBase(models.Model):
     def __str__(self):
         return "Payment: ref=%s amount=%s" % (self.reference, self.amount)
 
-    invoice = models.ForeignKey(Invoice)
+    invoice = models.ForeignKey(Invoice, on_delete=models.CASCADE)
     time = models.DateTimeField(default=timezone.now)
     reference = models.CharField(max_length=255)
     amount = models.DecimalField(max_digits=8, decimal_places=2)
@@ -287,7 +291,7 @@ class ManualPayment(PaymentBase):
     class Meta:
         app_label = "registrasion"
 
-    entered_by = models.ForeignKey(User)
+    entered_by = models.ForeignKey(User, on_delete=models.CASCADE)
 
 
 class CreditNote(PaymentBase):
@@ -364,7 +368,7 @@ class CreditNoteApplication(CleanOnSave, PaymentBase):
                 "Cannot apply a refunded credit note to an invoice"
             )
 
-    parent = models.OneToOneField(CreditNote)
+    parent = models.OneToOneField(CreditNote, on_delete=models.CASCADE)
 
 
 class CreditNoteRefund(CleanOnSave, models.Model):
@@ -391,7 +395,7 @@ class CreditNoteRefund(CleanOnSave, models.Model):
                 "Cannot refund a credit note that has been paid to an invoice"
             )
 
-    parent = models.OneToOneField(CreditNote)
+    parent = models.OneToOneField(CreditNote, on_delete=models.CASCADE)
     time = models.DateTimeField(default=timezone.now)
     reference = models.CharField(max_length=255)
 
@@ -402,4 +406,4 @@ class ManualCreditNoteRefund(CreditNoteRefund):
     class Meta:
         app_label = "registrasion"
 
-    entered_by = models.ForeignKey(User)
+    entered_by = models.ForeignKey(User, on_delete=models.CASCADE)

vendor/registrasion/registrasion/models/conditions.py

@@ -10,8 +10,6 @@ from django.utils.encoding import python_2_unicode_compatible
 from django.utils.translation import ugettext_lazy as _
 from model_utils.managers import InheritanceManager
 
-from symposion import proposals
-
 
 # Condition Types
 
@@ -99,7 +97,7 @@ class SpeakerCondition(models.Model):
                     "presentation."),
     )
     proposal_kind = models.ManyToManyField(
-        proposals.models.ProposalKind,
+        "symposion_proposals.ProposalKind",
         help_text=_("The types of proposals that these users may be "
                     "presenters of."),
     )
@@ -520,6 +518,7 @@ class CategoryFlag(FlagBase):
         inventory.Category,
         help_text=_("If a product from this category is purchased, this "
                     "condition is met."),
+        on_delete=models.CASCADE,
     )
 
 

vendor/registrasion/registrasion/models/inventory.py

@@ -156,7 +156,8 @@ class Product(models.Model):
     )
     category = models.ForeignKey(
         Category,
-        verbose_name=_("Product category")
+        verbose_name=_("Product category"),
+        on_delete=models.CASCADE,
     )
     price = models.DecimalField(
         max_digits=8,

vendor/registrasion/registrasion/models/people.py

@@ -1,7 +1,7 @@
 from registrasion import util
 
 from django.conf import settings
-from django.contrib.auth.models import User
+from django.contrib.auth import get_user_model
 from django.core.exceptions import ObjectDoesNotExist
 from django.db import models
 from django.utils.encoding import python_2_unicode_compatible
@@ -9,6 +9,9 @@ from model_utils.managers import InheritanceManager
 
 from registrasion.models.commerce import Invoice, ProductItem
 
+User = get_user_model()
+
+
 # User models
 
 @python_2_unicode_compatible

vendor/registrasion/registrasion/reporting/reports.py

@@ -2,8 +2,8 @@ import csv
 
 from django.contrib.auth.decorators import user_passes_test
 from django.shortcuts import render
-from django.core.urlresolvers import reverse
 from django.http import HttpResponse
+from django.urls import reverse
 from functools import wraps
 
 from registrasion import views

vendor/registrasion/registrasion/reporting/views.py

@@ -6,8 +6,7 @@ import itertools
 
 from django.conf import settings
 from django.contrib.auth.decorators import user_passes_test
-from django.contrib.auth.models import User
-from django.core.urlresolvers import reverse
+from django.contrib.auth import get_user_model
 from django.db import models
 from django.db.models import F, Q, Subquery, OuterRef
 from django.db.models import Count, Max, Sum
@@ -15,6 +14,7 @@ from django.db.models import Case, When, Value
 from django.db.models.fields.related import RelatedField
 from django.db.models.fields import CharField
 from django.shortcuts import render
+from django.urls import reverse
 
 from registrasion.controllers.cart import CartController
 from registrasion.controllers.item import ItemController
@@ -39,6 +39,7 @@ def CURRENCY():
     return models.DecimalField(decimal_places=2)
 
 
+User = get_user_model()
 AttendeeProfile = util.get_object_from_name(settings.ATTENDEE_PROFILE_MODEL)
 
 

vendor/registrasion/registrasion/templatetags/registrasion_tags.py

@@ -5,9 +5,6 @@ from registrasion.controllers.item import ItemController
 from django import template
 from django.conf import settings
 from django.db.models import Sum
-try:
-    from urllib import urlencode
-except ImportError:
 from urllib.parse import urlencode
 
 from operator import attrgetter
@@ -24,7 +21,7 @@ def user_for_context(context):
         return context.request.user
 
 
-@register.assignment_tag(takes_context=True)
+@register.simple_tag(takes_context=True)
 def available_categories(context):
     ''' Gets all of the currently available products.
 
@@ -36,7 +33,7 @@ def available_categories(context):
     return CategoryController.available_categories(user_for_context(context))
 
 
-@register.assignment_tag(takes_context=True)
+@register.simple_tag(takes_context=True)
 def missing_categories(context):
     ''' Adds the categories that the user does not currently have. '''
     user = user_for_context(context)
@@ -52,7 +49,7 @@ def missing_categories(context):
 
     return sorted(set(i for i in missing), key=attrgetter("order"))
 
-@register.assignment_tag(takes_context=True)
+@register.simple_tag(takes_context=True)
 def available_credit(context):
     ''' Calculates the sum of unclaimed credit from this user's credit notes.
 
@@ -69,7 +66,7 @@ def available_credit(context):
     return 0 - ret
 
 
-@register.assignment_tag(takes_context=True)
+@register.simple_tag(takes_context=True)
 def invoices(context):
     '''
 
@@ -78,7 +75,7 @@ def invoices(context):
     return commerce.Invoice.objects.filter(user=user_for_context(context))
 
 
-@register.assignment_tag(takes_context=True)
+@register.simple_tag(takes_context=True)
 def items_pending(context):
     ''' Gets all of the items that the user from this context has reserved.
 
@@ -89,7 +86,7 @@ def items_pending(context):
     return ItemController(user_for_context(context)).items_pending()
 
 
-@register.assignment_tag(takes_context=True)
+@register.simple_tag(takes_context=True)
 def items_purchased(context, category=None):
     ''' Returns the items purchased for this user.
 
@@ -102,7 +99,7 @@ def items_purchased(context, category=None):
     )
 
 
-@register.assignment_tag(takes_context=True)
+@register.simple_tag(takes_context=True)
 def total_items_purchased(context, category=None):
     ''' Returns the number of items purchased for this user (sum of quantities).
 
@@ -113,7 +110,7 @@ def total_items_purchased(context, category=None):
     return sum(i.quantity for i in items_purchased(context, category))
 
 
-@register.assignment_tag(takes_context=True)
+@register.simple_tag(takes_context=True)
 def report_as_csv(context, section):
 
     old_query = context.request.META["QUERY_STRING"]
@@ -126,7 +123,7 @@ def report_as_csv(context, section):
     return context.request.path + "?" + querystring
 
 
-@register.assignment_tag(takes_context=True)
+@register.simple_tag(takes_context=True)
 def sold_out_and_unregistered(context):
     ''' If the current user is unregistered, returns True if there are no
     products in the TICKET_PRODUCT_CATEGORY that are available to that user.
@@ -186,7 +183,7 @@ def include_if_exists(parser, token):
     try:
         tag_name, template_name = token.split_contents()
     except ValueError:
-        raise (template.TemplateSyntaxError,
+        raise template.TemplateSyntaxError(
             "%r tag requires a single argument" % token.contents.split()[0])
 
     return IncludeNode(template_name)

vendor/registrasion/registrasion/tests/test_batch.py

@@ -127,11 +127,11 @@ class BatchTestCase(RegistrationCartTestCase):
         # end_batch should get called once on exiting the batch
         with BatchController.batch(self.USER_1):
             ender = get_ender(self.USER_1)
-        self.assertEquals(1, ender.end_count)
+        self.assertEqual(1, ender.end_count)
 
         # end_batch should get called once on exiting the batch
         # no matter how deep the object gets cached
         with BatchController.batch(self.USER_1):
             with BatchController.batch(self.USER_1):
                 ender = get_ender(self.USER_1)
-        self.assertEquals(1, ender.end_count)
+        self.assertEqual(1, ender.end_count)

vendor/registrasion/registrasion/tests/test_cart.py

@@ -2,7 +2,7 @@ import datetime
 import pytz
 
 from decimal import Decimal
-from django.contrib.auth.models import User
+from django.contrib.auth import get_user_model
 from django.core.exceptions import ObjectDoesNotExist
 from django.core.exceptions import ValidationError
 from django.core.management import call_command
@@ -19,6 +19,7 @@ from registrasion.tests.controller_helpers import TestingCartController
 from registrasion.tests.patches import MixInPatches
 
 UTC = pytz.timezone('UTC')
+User = get_user_model()
 
 
 class RegistrationCartTestCase(MixInPatches, TestCase):
@@ -85,7 +86,7 @@ class RegistrationCartTestCase(MixInPatches, TestCase):
             prod = inventory.Product.objects.create(
                 name="Product " + str(i + 1),
                 description="This is a test product.",
-                category=cls.categories[i / 2],  # 2 products per category
+                category=cls.categories[i // 2],  # 2 products per category
                 price=Decimal("10.00"),
                 reservation_duration=cls.RESERVATION,
                 limit_per_user=10,
@@ -192,7 +193,7 @@ class BasicCartTests(RegistrationCartTestCase):
             product=self.PROD_1)
         self.assertEqual(1, len(items))
         item = items[0]
-        self.assertEquals(2, item.quantity)
+        self.assertEqual(2, item.quantity)
 
     def test_set_quantity(self):
         current_cart = TestingCartController.for_user(self.USER_1)

vendor/registrasion/registrasion/tests/test_credit_note.py

@@ -114,7 +114,7 @@ class CreditNoteTestCase(TestHelperMixin, RegistrationCartTestCase):
         cn = self._credit_note_for_invoice(invoice.invoice)
 
         # That credit note should be in the unclaimed pile
-        self.assertEquals(1, commerce.CreditNote.unclaimed().count())
+        self.assertEqual(1, commerce.CreditNote.unclaimed().count())
 
         # Create a new (identical) cart with invoice
         cart = TestingCartController.for_user(self.USER_1)
@@ -126,7 +126,7 @@ class CreditNoteTestCase(TestHelperMixin, RegistrationCartTestCase):
         self.assertTrue(invoice2.invoice.is_paid)
 
         # That invoice should not show up as unclaimed any more
-        self.assertEquals(0, commerce.CreditNote.unclaimed().count())
+        self.assertEqual(0, commerce.CreditNote.unclaimed().count())
 
     def test_apply_credit_note_generates_new_credit_note_if_overpaying(self):
 
@@ -141,7 +141,7 @@ class CreditNoteTestCase(TestHelperMixin, RegistrationCartTestCase):
         # There should be one credit note generated out of the invoice.
         cn = self._credit_note_for_invoice(invoice.invoice)  # noqa
 
-        self.assertEquals(1, commerce.CreditNote.unclaimed().count())
+        self.assertEqual(1, commerce.CreditNote.unclaimed().count())
 
         # Create a new invoice for a cart of half value of inv 1
         invoice2 = self._invoice_containing_prod_1(1)
@@ -150,7 +150,7 @@ class CreditNoteTestCase(TestHelperMixin, RegistrationCartTestCase):
 
         # We generated a new credit note, and spent the old one,
         # unclaimed should still be 1.
-        self.assertEquals(1, commerce.CreditNote.unclaimed().count())
+        self.assertEqual(1, commerce.CreditNote.unclaimed().count())
 
         credit_note2 = commerce.CreditNote.objects.get(
             invoice=invoice2.invoice,
@@ -158,7 +158,7 @@ class CreditNoteTestCase(TestHelperMixin, RegistrationCartTestCase):
 
         # The new credit note should be the residual of the cost of cart 1
         # minus the cost of cart 2.
-        self.assertEquals(
+        self.assertEqual(
             invoice.invoice.value - invoice2.invoice.value,
             credit_note2.value,
         )
@@ -210,14 +210,14 @@ class CreditNoteTestCase(TestHelperMixin, RegistrationCartTestCase):
 
         invoice.refund()
 
-        self.assertEquals(1, commerce.CreditNote.unclaimed().count())
+        self.assertEqual(1, commerce.CreditNote.unclaimed().count())
 
         cn = self._credit_note_for_invoice(invoice.invoice)
 
         cn.refund()
 
         # Refunding a credit note should mark it as claimed
-        self.assertEquals(0, commerce.CreditNote.unclaimed().count())
+        self.assertEqual(0, commerce.CreditNote.unclaimed().count())
 
         # Create a new cart with invoice
         cart = TestingCartController.for_user(self.USER_1)
@@ -238,7 +238,7 @@ class CreditNoteTestCase(TestHelperMixin, RegistrationCartTestCase):
 
         invoice.refund()
 
-        self.assertEquals(1, commerce.CreditNote.unclaimed().count())
+        self.assertEqual(1, commerce.CreditNote.unclaimed().count())
 
         cn = self._credit_note_for_invoice(invoice.invoice)
 
@@ -251,7 +251,7 @@ class CreditNoteTestCase(TestHelperMixin, RegistrationCartTestCase):
             # Creating `invoice_2` will automatically apply `cn`.
             cn.apply_to_invoice(invoice_2.invoice)
 
-        self.assertEquals(0, commerce.CreditNote.unclaimed().count())
+        self.assertEqual(0, commerce.CreditNote.unclaimed().count())
 
         # Cannot refund this credit note as it is already applied.
         with self.assertRaises(ValidationError):
@@ -327,13 +327,13 @@ class CreditNoteTestCase(TestHelperMixin, RegistrationCartTestCase):
         invoice._refresh()
 
         # The first invoice should be refunded
-        self.assertEquals(
+        self.assertEqual(
             commerce.Invoice.STATUS_VOID,
             invoice.invoice.status,
         )
 
         # Both credit notes should be for the same amount
-        self.assertEquals(
+        self.assertEqual(
             cn.credit_note.value,
             cn2.credit_note.value,
         )

vendor/registrasion/registrasion/tests/test_invoice.py

@@ -98,7 +98,8 @@ class InvoiceTestCase(TestHelperMixin, RegistrationCartTestCase):
 
     def test_total_payments_balance_due(self):
         invoice = self._invoice_containing_prod_1(2)
-        for i in xrange(0, invoice.invoice.value):
+        invoice_value = int(invoice.invoice.value)
+        for i in range(0, invoice_value):
             self.assertTrue(
                 i + 1, invoice.invoice.total_payments()
             )
@@ -175,7 +176,7 @@ class InvoiceTestCase(TestHelperMixin, RegistrationCartTestCase):
         invoice_1.refund()
 
         cart.refresh_from_db()
-        self.assertEquals(commerce.Cart.STATUS_RELEASED, cart.status)
+        self.assertEqual(commerce.Cart.STATUS_RELEASED, cart.status)
 
     def test_invoice_voids_self_if_cart_changes(self):
         current_cart = TestingCartController.for_user(self.USER_1)
@@ -322,12 +323,12 @@ class InvoiceTestCase(TestHelperMixin, RegistrationCartTestCase):
         )
         inv = TestingInvoiceController(_invoice)
 
-        self.assertEquals(
+        self.assertEqual(
             inv.invoice.value,
             sum(i[1] for i in description_price_pairs)
         )
 
-        self.assertEquals(
+        self.assertEqual(
             len(inv.invoice.lineitem_set.all()),
             len(description_price_pairs)
         )
@@ -336,37 +337,37 @@ class InvoiceTestCase(TestHelperMixin, RegistrationCartTestCase):
 
     def test_sends_email_on_invoice_creation(self):
         invoice = self._invoice_containing_prod_1(1)
-        self.assertEquals(1, len(self.emails))
+        self.assertEqual(1, len(self.emails))
         email = self.emails[0]
-        self.assertEquals([self.USER_1.email], email["to"])
-        self.assertEquals("invoice_created", email["kind"])
-        self.assertEquals(invoice.invoice, email["context"]["invoice"])
+        self.assertEqual([self.USER_1.email], email["to"])
+        self.assertEqual("invoice_created", email["kind"])
+        self.assertEqual(invoice.invoice, email["context"]["invoice"])
 
     def test_sends_first_change_email_on_invoice_fully_paid(self):
         invoice = self._invoice_containing_prod_1(1)
 
-        self.assertEquals(1, len(self.emails))
+        self.assertEqual(1, len(self.emails))
         invoice.pay("Partial", invoice.invoice.value - 1)
         # Should have an "invoice_created" email and nothing else.
-        self.assertEquals(1, len(self.emails))
+        self.assertEqual(1, len(self.emails))
         invoice.pay("Remainder", 1)
-        self.assertEquals(2, len(self.emails))
+        self.assertEqual(2, len(self.emails))
 
         email = self.emails[1]
-        self.assertEquals([self.USER_1.email], email["to"])
-        self.assertEquals("invoice_updated", email["kind"])
-        self.assertEquals(invoice.invoice, email["context"]["invoice"])
+        self.assertEqual([self.USER_1.email], email["to"])
+        self.assertEqual("invoice_updated", email["kind"])
+        self.assertEqual(invoice.invoice, email["context"]["invoice"])
 
     def test_sends_email_when_invoice_refunded(self):
         invoice = self._invoice_containing_prod_1(1)
 
-        self.assertEquals(1, len(self.emails))
+        self.assertEqual(1, len(self.emails))
         invoice.pay("Payment", invoice.invoice.value)
-        self.assertEquals(2, len(self.emails))
+        self.assertEqual(2, len(self.emails))
         invoice.refund()
-        self.assertEquals(3, len(self.emails))
+        self.assertEqual(3, len(self.emails))
 
         email = self.emails[2]
-        self.assertEquals([self.USER_1.email], email["to"])
-        self.assertEquals("invoice_updated", email["kind"])
-        self.assertEquals(invoice.invoice, email["context"]["invoice"])
+        self.assertEqual([self.USER_1.email], email["to"])
+        self.assertEqual("invoice_updated", email["kind"])
+        self.assertEqual(invoice.invoice, email["context"]["invoice"])

vendor/registrasion/registrasion/tests/test_speaker.py

@@ -67,7 +67,7 @@ class SpeakerTestCase(RegistrationCartTestCase):
             kind=kind_1,
             title="Proposal 1",
             abstract="Abstract",
-            description="Description",
+            #description="Description",
             speaker=speaker_1,
         )
         proposal_models.AdditionalSpeaker.objects.create(
@@ -80,7 +80,7 @@ class SpeakerTestCase(RegistrationCartTestCase):
             kind=kind_2,
             title="Proposal 2",
             abstract="Abstract",
-            description="Description",
+            #description="Description",
             speaker=speaker_1,
         )
         proposal_models.AdditionalSpeaker.objects.create(

vendor/registrasion/registrasion/views.py

@@ -28,7 +28,7 @@ from django import forms as django_forms
 from django.conf import settings
 from django.contrib.auth.decorators import login_required
 from django.contrib.auth.decorators import user_passes_test
-from django.contrib.auth.models import User
+from django.contrib.auth import get_user_model
 from django.contrib import messages
 from django.core.exceptions import ObjectDoesNotExist
 from django.core.exceptions import ValidationError
@@ -50,6 +50,8 @@ from registrasion.contrib.badger import (
                                          InvalidTicketChoiceError
                                          )
 
+User = get_user_model()
+
 _GuidedRegistrationSection = namedtuple(
     "GuidedRegistrationSection",
     (

vendor/registrasion/requirements/base.txt

@@ -1,3 +1,3 @@
-django-nested-admin==2.2.6
+django-nested-admin==3.3.2
 #symposion==1.0b2.dev3
-lxml==4.0.0
+lxml==4.6.1

vendor/registripe/registripe/forms.py

@@ -1,15 +1,13 @@
 import copy
 from registripe import models
 
-from django import forms
-from django.core.urlresolvers import reverse
 import functools
 
 from django import forms
-from django.core.urlresolvers import reverse
 from django.core.exceptions import ValidationError
 from django.db.models import F, Q
 from django.forms import widgets
+from django.urls import reverse
 from django.utils import timezone
 
 from django_countries import countries
@@ -21,7 +19,7 @@ from pinax.stripe import models as pinax_stripe_models
 
 class StripeCardElement(forms.widgets.TextInput):
 
-    def render(self, name, value, attrs=None):
+    def render(self, name, value, attrs=None, renderer=None):
         element = '''
             <div class="registrasion-stripe-element" id='%s' style='"-moz-appearance: textfield; -webkit-appearance: textfield;     appearance: field;"'>Please wait.</div>''' % (name, )
 
@@ -36,7 +34,7 @@ class StripeCardElement(forms.widgets.TextInput):
 
 class StripeTokenWidget(forms.widgets.HiddenInput):
 
-    def render(self, name, value, attrs=None):
+    def render(self, name, value, attrs=None, renderer=None):
 
         return '''
             <div class='registrasion-stripe-token' style='display:none;'

vendor/registripe/registripe/models.py

@@ -7,8 +7,8 @@ from pinax.stripe.models import Charge
 
 class StripePayment(commerce.PaymentBase):
 
-    charge = models.ForeignKey(Charge)
+    charge = models.ForeignKey(Charge, on_delete=models.CASCADE)
 
 class StripeCreditNoteRefund(commerce.CreditNoteRefund):
 
-    charge = models.ForeignKey(Charge)
+    charge = models.ForeignKey(Charge, on_delete=models.CASCADE)

vendor/registripe/registripe/templates/registrasion/stripe/link_to_refunds_.html

@@ -1,5 +1,5 @@
 {% comment %}
-  This is used in the default invoice.html file to display Stripe funcationality if the app is loaded.
+  This is used in the default invoice.html file to display Stripe functionality if the app is loaded.
 {% endcomment %}
 
 {% block content %}

vendor/registripe/requirements.txt

@@ -1,4 +1,4 @@
-django-countries>=4.0
-pinax-stripe==3.2.1
-requests>=2.11.1
-stripe==1.38.0
+django-countries>=6.1.3
+pinax-stripe==4.4.0
+requests>=2.24.0
+stripe==2.55.0

vendor/symposion/conference/models.py

@@ -49,7 +49,11 @@ class Section(models.Model):
     scheduling process.
     """
 
-    conference = models.ForeignKey(Conference, verbose_name=_("Conference"))
+    conference = models.ForeignKey(
+        Conference,
+        verbose_name=_("Conference"),
+        on_delete=models.CASCADE,
+    )
 
     name = models.CharField(_("Name"), max_length=100)
     slug = models.SlugField(verbose_name=_("Slug"))

vendor/symposion/conference/views.py

@@ -2,7 +2,9 @@ from django.http import Http404
 from django.shortcuts import render
 
 from django.contrib.auth.decorators import login_required
-from django.contrib.auth.models import User
+from django.contrib.auth import get_user_model
+
+User = get_user_model()
 
 
 @login_required

vendor/symposion/proposals/models.py

@@ -1,13 +1,13 @@
 import os
 import uuid
 
-from django.core.urlresolvers import reverse
 from django.db import models
 from django.db.models import Q
+from django.urls import reverse
 from django.utils.translation import ugettext_lazy as _
 from django.utils.timezone import now
 
-from django.contrib.auth.models import User
+from django.contrib.auth import get_user_model
 from django.core.exceptions import ObjectDoesNotExist
 from django.core.exceptions import ValidationError
 
@@ -19,6 +19,8 @@ from symposion.text_parser import parse
 from symposion.conference.models import Section
 from symposion.speakers.models import Speaker
 
+User = get_user_model()
+
 
 class ProposalSection(models.Model):
     """
@@ -30,7 +32,11 @@ class ProposalSection(models.Model):
       * closed is NULL or False
     """
 
-    section = models.OneToOneField(Section, verbose_name=_("Section"))
+    section = models.OneToOneField(
+        Section,
+        verbose_name=_("Section"),
+        on_delete=models.CASCADE,
+    )
 
     start = models.DateTimeField(null=True, blank=True, verbose_name=_("Start"))
     end = models.DateTimeField(null=True, blank=True, verbose_name=_("End"))
@@ -66,7 +72,12 @@ class ProposalKind(models.Model):
     to distinguish the section as well as the kind.
     """
 
-    section = models.ForeignKey(Section, related_name="proposal_kinds", verbose_name=_("Section"))
+    section = models.ForeignKey(
+        Section,
+        related_name="proposal_kinds",
+        verbose_name=_("Section"),
+        on_delete=models.CASCADE,
+    )
 
     name = models.CharField(_("Name"), max_length=100)
     slug = models.SlugField(verbose_name=_("Slug"))
@@ -79,7 +90,11 @@ class ProposalBase(models.Model):
 
     objects = InheritanceManager()
 
-    kind = models.ForeignKey(ProposalKind, verbose_name=_("Kind"))
+    kind = models.ForeignKey(
+        ProposalKind,
+        verbose_name=_("Kind"),
+        on_delete=models.CASCADE,
+    )
 
     title = models.CharField(max_length=100, verbose_name=_("Title"))
     abstract = models.TextField(
@@ -134,7 +149,12 @@ class ProposalBase(models.Model):
         editable=False,
         verbose_name=_("Submitted")
     )
-    speaker = models.ForeignKey(Speaker, related_name="proposals", verbose_name=_("Speaker"))
+    speaker = models.ForeignKey(
+        Speaker,
+        related_name="proposals",
+        verbose_name=_("Speaker"),
+        on_delete=models.CASCADE,
+    )
 
     # @@@ this validation used to exist as a validators keyword on additional_speakers
     #     M2M field but that is no longer supported by Django. Should be moved to
@@ -213,8 +233,16 @@ class AdditionalSpeaker(models.Model):
         (SPEAKING_STATUS_DECLINED, _("Declined")),
     ]
 
-    speaker = models.ForeignKey(Speaker, verbose_name=_("Speaker"))
-    proposalbase = models.ForeignKey(ProposalBase, verbose_name=_("Proposalbase"))
+    speaker = models.ForeignKey(
+        Speaker,
+        verbose_name=_("Speaker"),
+        on_delete=models.CASCADE,
+    )
+    proposalbase = models.ForeignKey(
+        ProposalBase,
+        verbose_name=_("Proposalbase"),
+        on_delete=models.CASCADE,
+    )
     status = models.IntegerField(choices=SPEAKING_STATUS, default=SPEAKING_STATUS_PENDING, verbose_name=_("Status"))
 
     class Meta:
@@ -239,9 +267,18 @@ def uuid_filename(instance, filename):
 
 class SupportingDocument(models.Model):
 
-    proposal = models.ForeignKey(ProposalBase, related_name="supporting_documents", verbose_name=_("Proposal"))
+    proposal = models.ForeignKey(
+        ProposalBase,
+        related_name="supporting_documents",
+        verbose_name=_("Proposal"),
+        on_delete=models.CASCADE,
+    )
 
-    uploaded_by = models.ForeignKey(User, verbose_name=_("Uploaded by"))
+    uploaded_by = models.ForeignKey(
+        User,
+        verbose_name=_("Uploaded by"),
+        on_delete=models.CASCADE,
+    )
 
     created_at = models.DateTimeField(default=now, verbose_name=_("Created at"))
 

vendor/symposion/proposals/views.py

@@ -5,14 +5,14 @@ import sys
 from django.conf import settings
 from django.contrib.auth.decorators import login_required
 from django.core.exceptions import ObjectDoesNotExist, MultipleObjectsReturned
-from django.core.urlresolvers import reverse
 from django.db.models import Q
 from django.http import Http404, HttpResponse, HttpResponseForbidden
 from django.shortcuts import render, redirect, get_object_or_404
+from django.urls import reverse
 from django.views import static
 
 from django.contrib import messages
-from django.contrib.auth.models import User
+from django.contrib.auth import get_user_model
 
 from django.utils.translation import ugettext_lazy as _
 
@@ -27,6 +27,8 @@ from symposion.proposals.forms import (
     AddSpeakerForm, SupportingDocumentCreateForm
 )
 
+User = get_user_model()
+
 
 def get_form(name):
     dot = name.rindex(".")
@@ -36,7 +38,7 @@ def get_form(name):
 
 
 def proposal_submit(request):
-    if not request.user.is_authenticated():
+    if not request.user.is_authenticated:
         messages.info(request, _("To submit a proposal, please "
                                  "<a href='{0}'>log in</a> and create a speaker profile "
                                  "via the dashboard.".format(settings.LOGIN_URL)))

vendor/symposion/reviews/models.py

@@ -10,7 +10,7 @@ from django.db.models import Case, When, Value
 from django.db.models import Count
 from django.db.models.signals import post_save
 
-from django.contrib.auth.models import User
+from django.contrib.auth import get_user_model
 from django.utils.translation import ugettext_lazy as _
 
 from symposion import constants
@@ -18,6 +18,8 @@ from symposion.text_parser import parse
 from symposion.proposals.models import ProposalBase
 from symposion.schedule.models import Presentation
 
+User = get_user_model()
+
 
 class Votes(object):
     ABSTAIN = "0"
@@ -51,8 +53,16 @@ class ReviewAssignment(models.Model):
         (AUTO_ASSIGNED_LATER, _("auto-assigned, later")),
     ]
 
-    proposal = models.ForeignKey(ProposalBase, verbose_name=_("Proposal"))
-    user = models.ForeignKey(User, verbose_name=_("User"))
+    proposal = models.ForeignKey(
+        ProposalBase,
+        verbose_name=_("Proposal"),
+        on_delete=models.CASCADE,
+    )
+    user = models.ForeignKey(
+        User,
+        verbose_name=_("User"),
+        on_delete=models.CASCADE,
+    )
 
     origin = models.IntegerField(choices=ORIGIN_CHOICES, verbose_name=_("Origin"))
 
@@ -91,8 +101,17 @@ class ReviewAssignment(models.Model):
 
 
 class ProposalMessage(models.Model):
-    proposal = models.ForeignKey(ProposalBase, related_name="messages", verbose_name=_("Proposal"))
-    user = models.ForeignKey(User, verbose_name=_("User"))
+    proposal = models.ForeignKey(
+        ProposalBase,
+        related_name="messages",
+        verbose_name=_("Proposal"),
+        on_delete=models.CASCADE,
+    )
+    user = models.ForeignKey(
+        User,
+        verbose_name=_("User"),
+        on_delete=models.CASCADE,
+    )
 
     message = models.TextField(verbose_name=_("Message"))
     message_html = models.TextField(blank=True)
@@ -111,8 +130,17 @@ class ProposalMessage(models.Model):
 class Review(models.Model):
     VOTES = VOTES
 
-    proposal = models.ForeignKey(ProposalBase, related_name="reviews", verbose_name=_("Proposal"))
-    user = models.ForeignKey(User, verbose_name=_("User"))
+    proposal = models.ForeignKey(
+        ProposalBase,
+        related_name="reviews",
+        verbose_name=_("Proposal"),
+        on_delete=models.CASCADE,
+    )
+    user = models.ForeignKey(
+        User,
+        verbose_name=_("User"),
+        on_delete=models.CASCADE,
+    )
 
     # No way to encode "-0" vs. "+0" into an IntegerField, and I don't feel
     # like some complicated encoding system.
@@ -208,8 +236,17 @@ class Review(models.Model):
 class LatestVote(models.Model):
     VOTES = VOTES
 
-    proposal = models.ForeignKey(ProposalBase, related_name="votes", verbose_name=_("Proposal"))
-    user = models.ForeignKey(User, verbose_name=_("User"))
+    proposal = models.ForeignKey(
+        ProposalBase,
+        related_name="votes",
+        verbose_name=_("Proposal"),
+        on_delete=models.CASCADE,
+    )
+    user = models.ForeignKey(
+        User,
+        verbose_name=_("User"),
+        on_delete=models.CASCADE,
+    )
 
     # No way to encode "-0" vs. "+0" into an IntegerField, and I don't feel
     # like some complicated encoding system.
@@ -232,7 +269,12 @@ class LatestVote(models.Model):
 
 
 class ProposalResult(models.Model):
-    proposal = models.OneToOneField(ProposalBase, related_name="result", verbose_name=_("Proposal"))
+    proposal = models.OneToOneField(
+        ProposalBase,
+        related_name="result",
+        verbose_name=_("Proposal"),
+        on_delete=models.CASCADE,
+    )
     score = models.DecimalField(max_digits=5, decimal_places=2, default=Decimal("0.00"), verbose_name=_("Score"))
     comment_count = models.PositiveIntegerField(default=0, verbose_name=_("Comment count"))
     # vote_count only counts non-abstain votes.
@@ -297,8 +339,17 @@ class ProposalResult(models.Model):
 
 
 class Comment(models.Model):
-    proposal = models.ForeignKey(ProposalBase, related_name="comments", verbose_name=_("Proposal"))
-    commenter = models.ForeignKey(User, verbose_name=_("Commenter"))
+    proposal = models.ForeignKey(
+        ProposalBase,
+        related_name="comments",
+        verbose_name=_("Proposal"),
+        on_delete=models.CASCADE,
+    )
+    commenter = models.ForeignKey(
+        User,
+        verbose_name=_("Commenter"),
+        on_delete=models.CASCADE,
+    )
     text = models.TextField(verbose_name=_("Text"))
     text_html = models.TextField(blank=True)
 
@@ -329,9 +380,19 @@ class NotificationTemplate(models.Model):
 
 class ResultNotification(models.Model):
 
-    proposal = models.ForeignKey(ProposalBase, related_name="notifications", verbose_name=_("Proposal"))
-    template = models.ForeignKey(NotificationTemplate, null=True, blank=True,
-                                 on_delete=models.SET_NULL, verbose_name=_("Template"))
+    proposal = models.ForeignKey(
+        ProposalBase,
+        related_name="notifications",
+        verbose_name=_("Proposal"),
+        on_delete=models.CASCADE,
+    )
+    template = models.ForeignKey(
+        NotificationTemplate,
+        null=True,
+        blank=True,
+        on_delete=models.SET_NULL,
+        verbose_name=_("Template")
+    )
     timestamp = models.DateTimeField(default=datetime.now, verbose_name=_("Timestamp"))
     to_address = models.EmailField(verbose_name=_("To address"))
     from_address = models.EmailField(verbose_name=_("From address"))

vendor/symposion/reviews/templatetags/review_tags.py

@@ -6,7 +6,7 @@ from symposion.reviews.models import ReviewAssignment
 register = template.Library()
 
 
-@register.assignment_tag(takes_context=True)
+@register.simple_tag(takes_context=True)
 def review_assignments(context):
     request = context["request"]
     assignments = ReviewAssignment.objects.filter(user=request.user)

vendor/symposion/reviews/views.py

@@ -268,6 +268,8 @@ def review_list(request, section_slug, user_pk):
         if not request.user.pk == user_pk:
             return access_not_permitted(request)
 
+    section = get_object_or_404(ProposalSection, section__slug=section_slug)
+
     queryset = ProposalBase.objects.select_related("speaker__user", "result")
     reviewed = LatestVote.objects.filter(user__pk=user_pk).values_list("proposal", flat=True)
     queryset = queryset.filter(kind__section__slug=section_slug)
@@ -280,6 +282,7 @@ def review_list(request, section_slug, user_pk):
 
     ctx = {
         "proposals": proposals,
+        "section": section,
     }
     return render(request, "symposion/reviews/review_list.html", ctx)
 

vendor/symposion/schedule/forms.py

@@ -73,6 +73,8 @@ class ScheduleSectionForm(forms.Form):
         if 'encoding' in kwargs:
             self.encoding = kwargs['encoding']
             kwargs.pop('encoding')
+        else:
+            self.encoding = "utf-8"
         super(ScheduleSectionForm, self).__init__(*args, **kwargs)
 
     def clean_filename(self):

vendor/symposion/schedule/models.py

@@ -1,7 +1,7 @@
 import datetime
 
 from django.core.exceptions import ObjectDoesNotExist
-from django.contrib.auth.models import User
+from django.contrib.auth import get_user_model
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
 
@@ -11,11 +11,17 @@ from symposion.proposals.models import ProposalBase
 from symposion.conference.models import Section
 from symposion.speakers.models import Speaker
 
+User = get_user_model()
+
 
 class Schedule(models.Model):
     objects = DefaultSelectRelatedManager()
 
-    section = models.OneToOneField(Section, verbose_name=_("Section"))
+    section = models.OneToOneField(
+        Section,
+        verbose_name=_("Section"),
+        on_delete=models.CASCADE,
+    )
     published = models.BooleanField(default=True, verbose_name=_("Published"))
     hidden = models.BooleanField(_("Hide schedule from overall conference view"), default=False)
 
@@ -35,7 +41,11 @@ class Day(models.Model):
     objects = DefaultSelectRelatedManager()
 
 
-    schedule = models.ForeignKey(Schedule, verbose_name=_("Schedule"))
+    schedule = models.ForeignKey(
+        Schedule,
+        verbose_name=_("Schedule"),
+        on_delete=models.CASCADE,
+    )
     date = models.DateField(verbose_name=_("Date"))
 
     def __str__(self):
@@ -53,7 +63,11 @@ class Day(models.Model):
 
 class Room(models.Model):
 
-    schedule = models.ForeignKey(Schedule, verbose_name=_("Schedule"))
+    schedule = models.ForeignKey(
+        Schedule,
+        verbose_name=_("Schedule"),
+        on_delete=models.CASCADE,
+    )
     name = models.CharField(max_length=65, verbose_name=_("Name"))
     order = models.PositiveIntegerField(verbose_name=_("Order"))
 
@@ -70,8 +84,8 @@ class Room(models.Model):
 
 class Track(models.Model):
     name = models.CharField(max_length=80, verbose_name=_("Track"))
-    room = models.ForeignKey(Room)
-    day = models.ForeignKey(Day)
+    room = models.ForeignKey(Room, on_delete=models.CASCADE)
+    day = models.ForeignKey(Day, on_delete=models.CASCADE)
 
     def __str__(self):
         return self.name
@@ -88,7 +102,11 @@ class SlotKind(models.Model):
     break, lunch, or X-minute talk.
     """
 
-    schedule = models.ForeignKey(Schedule, verbose_name=_("schedule"))
+    schedule = models.ForeignKey(
+        Schedule,
+        verbose_name=_("schedule"),
+        on_delete=models.CASCADE,
+    )
     label = models.CharField(max_length=50, verbose_name=_("Label"))
 
     def __str__(self):
@@ -103,8 +121,16 @@ class Slot(models.Model):
     objects = DefaultSelectRelatedManager()
 
     name = models.CharField(max_length=512, editable=False)
-    day = models.ForeignKey(Day, verbose_name=_("Day"))
-    kind = models.ForeignKey(SlotKind, verbose_name=_("Kind"))
+    day = models.ForeignKey(
+        Day,
+        verbose_name=_("Day"),
+        on_delete=models.CASCADE,
+    )
+    kind = models.ForeignKey(
+        SlotKind,
+        verbose_name=_("Kind"),
+        on_delete=models.CASCADE,
+    )
     start = models.TimeField(verbose_name=_("Start"))
     end = models.TimeField(verbose_name=_("End"))
     exclusive = models.BooleanField(
@@ -194,8 +220,16 @@ class SlotRoom(models.Model):
     Links a slot with a room.
     """
 
-    slot = models.ForeignKey(Slot, verbose_name=_("Slot"))
-    room = models.ForeignKey(Room, verbose_name=_("Room"))
+    slot = models.ForeignKey(
+        Slot,
+        verbose_name=_("Slot"),
+        on_delete=models.CASCADE,
+    )
+    room = models.ForeignKey(
+        Room,
+        verbose_name=_("Room"),
+        on_delete=models.CASCADE,
+    )
 
     def __str__(self):
         return "%s %s" % (self.room, self.slot)
@@ -210,11 +244,23 @@ class SlotRoom(models.Model):
 class Presentation(models.Model):
     objects = DefaultSelectRelatedManager()
 
-    slot = models.OneToOneField(Slot, null=True, blank=True, related_name="content_ptr", verbose_name=_("Slot"))
+    slot = models.OneToOneField(
+        Slot,
+        null=True,
+        blank=True,
+        related_name="content_ptr",
+        verbose_name=_("Slot"),
+        on_delete=models.CASCADE,
+    )
     title = models.CharField(max_length=100, verbose_name=_("Title"))
     abstract = models.TextField(verbose_name=_("Abstract"))
     abstract_html = models.TextField(blank=True)
-    speaker = models.ForeignKey(Speaker, related_name="presentations", verbose_name=_("Speaker"))
+    speaker = models.ForeignKey(
+        Speaker,
+        related_name="presentations",
+        verbose_name=_("Speaker"),
+        on_delete=models.CASCADE,
+    )
     additional_speakers = models.ManyToManyField(Speaker, related_name="copresentations",
                                                  blank=True, verbose_name=_("Additional speakers"))
     unpublish = models.BooleanField(
@@ -222,8 +268,18 @@ class Presentation(models.Model):
         verbose_name=_("Do not publish"),
     )
     cancelled = models.BooleanField(default=False, verbose_name=_("Cancelled"))
-    proposal_base = models.OneToOneField(ProposalBase, related_name="presentation", verbose_name=_("Proposal base"))
-    section = models.ForeignKey(Section, related_name="presentations", verbose_name=_("Section"))
+    proposal_base = models.OneToOneField(
+        ProposalBase,
+        related_name="presentation",
+        verbose_name=_("Proposal base"),
+        on_delete=models.CASCADE,
+    )
+    section = models.ForeignKey(
+        Section,
+        related_name="presentations",
+        verbose_name=_("Section"),
+        on_delete=models.CASCADE,
+    )
 
     def save(self, *args, **kwargs):
         self.abstract_html = parse(self.abstract)
@@ -256,7 +312,12 @@ class Presentation(models.Model):
 
 class Session(models.Model):
 
-    day = models.ForeignKey(Day, related_name="sessions", verbose_name=_("Day"))
+    day = models.ForeignKey(
+        Day,
+        related_name="sessions",
+        verbose_name=_("Day"),
+        on_delete=models.CASCADE,
+    )
     slots = models.ManyToManyField(Slot, related_name="sessions", verbose_name=_("Slots"))
 
     def sorted_slots(self):
@@ -318,8 +379,16 @@ class SessionRole(models.Model):
         (SESSION_ROLE_RUNNER, _("Session Runner")),
     ]
 
-    session = models.ForeignKey(Session, verbose_name=_("Session"))
-    user = models.ForeignKey(User, verbose_name=_("User"))
+    session = models.ForeignKey(
+        Session,
+        verbose_name=_("Session"),
+        on_delete=models.CASCADE,
+    )
+    user = models.ForeignKey(
+        User,
+        verbose_name=_("User"),
+        on_delete=models.CASCADE,
+    )
     role = models.IntegerField(choices=SESSION_ROLE_TYPES, verbose_name=_("Role"))
     status = models.NullBooleanField(verbose_name=_("Status"))
 

vendor/symposion/schedule/tests/factories.py

@@ -9,7 +9,7 @@ from symposion.schedule.models import Schedule, Day, Slot, SlotKind
 from symposion.conference.models import Section, Conference
 
 
-class ConferenceFactory(factory.DjangoModelFactory):
+class ConferenceFactory(factory.django.DjangoModelFactory):
     title = fuzzy.FuzzyText()
     start_date = fuzzy.FuzzyDate(datetime.date(2014, 1, 1))
     end_date = fuzzy.FuzzyDate(
@@ -21,7 +21,7 @@ class ConferenceFactory(factory.DjangoModelFactory):
         model = Conference
 
 
-class SectionFactory(factory.DjangoModelFactory):
+class SectionFactory(factory.django.DjangoModelFactory):
     conference = factory.SubFactory(ConferenceFactory)
     name = fuzzy.FuzzyText()
     slug = fuzzy.FuzzyText()
@@ -30,7 +30,7 @@ class SectionFactory(factory.DjangoModelFactory):
         model = Section
 
 
-class ScheduleFactory(factory.DjangoModelFactory):
+class ScheduleFactory(factory.django.DjangoModelFactory):
     section = factory.SubFactory(SectionFactory)
     published = True
     hidden = False
@@ -39,7 +39,7 @@ class ScheduleFactory(factory.DjangoModelFactory):
         model = Schedule
 
 
-class SlotKindFactory(factory.DjangoModelFactory):
+class SlotKindFactory(factory.django.DjangoModelFactory):
     schedule = factory.SubFactory(ScheduleFactory)
     label = fuzzy.FuzzyText()
 
@@ -47,7 +47,7 @@ class SlotKindFactory(factory.DjangoModelFactory):
         model = SlotKind
 
 
-class DayFactory(factory.DjangoModelFactory):
+class DayFactory(factory.django.DjangoModelFactory):
     schedule = factory.SubFactory(ScheduleFactory)
     date = fuzzy.FuzzyDate(datetime.date(2014, 1, 1))
 
@@ -55,7 +55,7 @@ class DayFactory(factory.DjangoModelFactory):
         model = Day
 
 
-class SlotFactory(factory.DjangoModelFactory):
+class SlotFactory(factory.django.DjangoModelFactory):
     day = factory.SubFactory(DayFactory)
     kind = factory.SubFactory(SlotKindFactory)
     start = datetime.time(random.randint(0, 23), random.randint(0, 59))

vendor/symposion/schedule/tests/test_views_session.py

@@ -1,13 +1,15 @@
 from datetime import date
 
 from django.conf import settings
-from django.contrib.auth.models import User
-from django.core.urlresolvers import reverse
+from django.contrib.auth import get_user_model
+from django.urls import reverse
 from django.test import TestCase
 
 from symposion.conference.models import Section, current_conference, Conference
 from symposion.schedule.models import Day, Schedule, Session
 
+User = get_user_model()
+
 
 class TestScheduleViews(TestCase):
     username = "user@example.com"

vendor/symposion/schedule/views.py

@@ -1,13 +1,13 @@
 import json
 import pytz
 
-from django.core.urlresolvers import reverse
 from django.http import Http404, HttpResponse
 from django.shortcuts import render, get_object_or_404, redirect
+from django.urls import reverse
 from django.template import loader, Context
 from django.conf import settings
 
-from django.contrib.auth.models import User
+from django.contrib.auth import get_user_model
 from django.contrib import messages
 from django.contrib.sites.models import Site
 
@@ -21,6 +21,8 @@ from symposion.schedule.timetable import TimeTable
 from symposion.conference.models import Conference
 from pinaxcon.templatetags.lca2018_tags import speaker_photo
 
+User = get_user_model()
+
 
 def fetch_schedule(slug):
     qs = Schedule.objects.all()
@@ -369,7 +371,7 @@ def session_detail(request, session_id):
     if chairs:
         chair = chairs[0].user
     else:
-        if request.user.is_authenticated():
+        if request.user.is_authenticated:
             # did the current user previously try to apply and got rejected?
             if SessionRole.objects.filter(session=session, user=request.user, role=SessionRole.SESSION_ROLE_CHAIR, status=False):
                 chair_denied = True
@@ -380,12 +382,12 @@ def session_detail(request, session_id):
     if runners:
         runner = runners[0].user
     else:
-        if request.user.is_authenticated():
+        if request.user.is_authenticated:
             # did the current user previously try to apply and got rejected?
             if SessionRole.objects.filter(session=session, user=request.user, role=SessionRole.SESSION_ROLE_RUNNER, status=False):
                 runner_denied = True
 
-    if request.method == "POST" and request.user.is_authenticated():
+    if request.method == "POST" and request.user.is_authenticated:
         if not hasattr(request.user, "attendee") or not request.user.attendee.completed_registration:
             response = redirect("guided_registration")
             response["Location"] += "?next=%s" % request.path

vendor/symposion/speakers/models.py

@@ -1,18 +1,26 @@
 import datetime
 
-from django.core.urlresolvers import reverse
 from django.db import models
+from django.urls import reverse
 from django.utils.translation import ugettext_lazy as _
 
-from django.contrib.auth.models import User
+from django.contrib.auth import get_user_model
 
 from symposion import constants
 from symposion.text_parser import parse
 
+User = get_user_model()
+
 
 class Speaker(models.Model):
 
-    user = models.OneToOneField(User, null=True, related_name="speaker_profile", verbose_name=_("User"))
+    user = models.OneToOneField(
+        User,
+        null=True,
+        related_name="speaker_profile",
+        verbose_name=_("User"),
+        on_delete=models.CASCADE,
+    )
     name = models.CharField(verbose_name=_("Name"), max_length=100,
                             help_text=_("As you would like it to appear in the"
                                         " conference programme."))

vendor/symposion/speakers/views.py

@@ -4,13 +4,15 @@ from django.shortcuts import render, redirect, get_object_or_404
 
 from django.contrib import messages
 from django.contrib.auth.decorators import login_required
-from django.contrib.auth.models import User
+from django.contrib.auth import get_user_model
 from django.utils.translation import ugettext_lazy as _
 
 from symposion.proposals.models import ProposalBase
 from symposion.speakers.forms import SpeakerForm
 from symposion.speakers.models import Speaker
 
+User = get_user_model()
+
 
 @login_required
 def speaker_create(request):

vendor/symposion/sponsorship/models.py

@@ -2,16 +2,18 @@ import datetime
 
 from django.conf import settings
 from django.core.exceptions import ValidationError
-from django.core.urlresolvers import reverse
 from django.db import models
 from django.db.models.signals import post_init, post_save
+from django.urls import reverse
 from django.utils.translation import ugettext_lazy as _
 
-from django.contrib.auth.models import User
+from django.contrib.auth import get_user_model
 
 from symposion.conference.models import Conference
 from symposion.sponsorship.managers import SponsorManager
 
+User = get_user_model()
+
 
 # The benefits we track as individual fields on sponsors
 # Names are the names in the database as defined by organizers.
@@ -44,7 +46,11 @@ BENEFITS = [
 
 class SponsorLevel(models.Model):
 
-    conference = models.ForeignKey(Conference, verbose_name=_("Conference"))
+    conference = models.ForeignKey(
+        Conference,
+        verbose_name=_("Conference"),
+        on_delete=models.CASCADE,
+    )
     name = models.CharField(_("Name"), max_length=100)
     order = models.IntegerField(_("Order"), default=0)
     cost = models.PositiveIntegerField(_("Cost"))
@@ -64,8 +70,13 @@ class SponsorLevel(models.Model):
 
 class Sponsor(models.Model):
 
-    applicant = models.ForeignKey(User, related_name="sponsorships", verbose_name=_("Applicant"),
-                                  null=True)
+    applicant = models.ForeignKey(
+        User,
+        related_name="sponsorships",
+        verbose_name=_("Applicant"),
+        null=True,
+        on_delete=models.CASCADE,
+    )
 
     name = models.CharField(_("Sponsor Name"), max_length=100)
     display_url = models.URLField(_("display URL"), blank=True)
@@ -73,13 +84,24 @@ class Sponsor(models.Model):
     annotation = models.TextField(_("Annotation"), blank=True)
     contact_name = models.CharField(_("Contact Name"), max_length=100)
     contact_email = models.EmailField(_("Contact Email"))
-    level = models.ForeignKey(SponsorLevel, verbose_name=_("level"))
+    level = models.ForeignKey(
+        SponsorLevel,
+        verbose_name=_("level"),
+        on_delete=models.CASCADE,
+    )
     added = models.DateTimeField(_("added"), default=datetime.datetime.now)
     active = models.BooleanField(_("active"), default=False)
 
     # Denormalization (this assumes only one logo)
-    sponsor_logo = models.ForeignKey("SponsorBenefit", related_name="+", null=True, blank=True,
-                                     editable=False, verbose_name=_("Sponsor logo"))
+    sponsor_logo = models.ForeignKey(
+        "SponsorBenefit",
+        related_name="+",
+        null=True,
+        blank=True,
+        editable=False,
+        verbose_name=_("Sponsor logo"),
+        on_delete=models.CASCADE,
+    )
 
     # Whether things are complete
     # True = complete, False = incomplate, Null = n/a for this sponsor level
@@ -242,8 +264,18 @@ class Benefit(models.Model):
 
 class BenefitLevel(models.Model):
 
-    benefit = models.ForeignKey(Benefit, related_name="benefit_levels", verbose_name=_("Benefit"))
-    level = models.ForeignKey(SponsorLevel, related_name="benefit_levels", verbose_name=_("Level"))
+    benefit = models.ForeignKey(
+        Benefit,
+        related_name="benefit_levels",
+        verbose_name=_("Benefit"),
+        on_delete=models.CASCADE,
+    )
+    level = models.ForeignKey(
+        SponsorLevel,
+        related_name="benefit_levels",
+        verbose_name=_("Level"),
+        on_delete=models.CASCADE,
+    )
 
     # default limits for this benefit at given level
     max_words = models.PositiveIntegerField(_("Max words"), blank=True, null=True)
@@ -260,8 +292,18 @@ class BenefitLevel(models.Model):
 
 class SponsorBenefit(models.Model):
 
-    sponsor = models.ForeignKey(Sponsor, related_name="sponsor_benefits", verbose_name=_("Sponsor"))
-    benefit = models.ForeignKey(Benefit, related_name="sponsor_benefits", verbose_name=_("Benefit"))
+    sponsor = models.ForeignKey(
+        Sponsor,
+        related_name="sponsor_benefits",
+        verbose_name=_("Sponsor"),
+        on_delete=models.CASCADE,
+    )
+    benefit = models.ForeignKey(
+        Benefit,
+        related_name="sponsor_benefits",
+        verbose_name=_("Benefit"),
+        on_delete=models.CASCADE,
+    )
     active = models.BooleanField(default=True, verbose_name=_("Active"))
 
     # Limits: will initially be set to defaults from corresponding BenefitLevel

vendor/symposion/sponsorship/tests.py

@@ -1,20 +1,22 @@
-from cStringIO import StringIO
+from io import StringIO
 import os
 import shutil
 import tempfile
 from zipfile import ZipFile
 
 from django.conf import settings
-from django.contrib.auth.models import User
+from django.contrib.auth import get_user_model
 from django.core.exceptions import ValidationError
-from django.core.urlresolvers import reverse
 from django.test import TestCase
 from django.test.utils import override_settings
+from django.urls import reverse
 
 from pycon.sponsorship.models import Benefit, Sponsor, SponsorBenefit,\
     SponsorLevel
 from symposion.conference.models import current_conference
 
+User = get_user_model()
+
 
 class TestSponsorZipDownload(TestCase):
     def setUp(self):

vendor/symposion/teams/backends.py

@@ -5,7 +5,7 @@ from .models import Team
 
 class TeamPermissionsBackend(object):
 
-    def authenticate(self, username=None, password=None):
+    def authenticate(self, request, username=None, password=None):
         return None
 
     def get_team_permissions(self, user_obj, obj=None):
@@ -13,7 +13,7 @@ class TeamPermissionsBackend(object):
         Returns a set of permission strings that this user has through his/her
         team memberships.
         """
-        if user_obj.is_anonymous() or obj is not None:
+        if user_obj.is_anonymous or obj is not None:
             return set()
         if not hasattr(user_obj, "_team_perm_cache"):
             # Member permissions

vendor/symposion/teams/forms.py

@@ -4,10 +4,12 @@ from django.utils.html import escape
 from django.utils.safestring import mark_safe
 from django.utils.translation import ugettext_lazy as _
 
-from django.contrib.auth.models import User
+from django.contrib.auth import get_user_model
 
 from symposion.teams.models import Membership
 
+User = get_user_model()
+
 
 class TeamInvitationForm(forms.Form):
 

vendor/symposion/teams/migrations/0001_initial.py

@@ -2,6 +2,7 @@
 from django.db import models, migrations
 import datetime
 from django.conf import settings
+import django.db.models.deletion
 
 
 class Migration(migrations.Migration):
@@ -44,11 +45,11 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='membership',
             name='team',
-            field=models.ForeignKey(verbose_name='Team', to='teams.Team', related_name='memberships'),
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, verbose_name='Team', to='teams.Team', related_name='memberships'),
         ),
         migrations.AddField(
             model_name='membership',
             name='user',
-            field=models.ForeignKey(verbose_name='User', to=settings.AUTH_USER_MODEL, related_name='memberships'),
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, verbose_name='User', to=settings.AUTH_USER_MODEL, related_name='memberships'),
         ),
     ]

vendor/symposion/teams/models.py

@@ -2,11 +2,15 @@ import datetime
 
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
+from django.urls import reverse
 
-from django.contrib.auth.models import Permission, User
+from django.contrib.auth.models import Permission
+from django.contrib.auth import get_user_model
 
 from reversion import revisions as reversion
 
+User = get_user_model()
+
 
 TEAM_ACCESS_CHOICES = [
     ("open", _("open")),
@@ -36,9 +40,8 @@ class Team(models.Model):
     created = models.DateTimeField(default=datetime.datetime.now,
                                    editable=False, verbose_name=_("Created"))
 
-    @models.permalink
     def get_absolute_url(self):
-        return ("team_detail", [self.slug])
+        return reverse("team_detail", args=[self.slug])
 
     def __str__(self):
         return self.name
@@ -78,10 +81,18 @@ MEMBERSHIP_STATE_CHOICES = [
 
 class Membership(models.Model):
 
-    user = models.ForeignKey(User, related_name="memberships",
-                             verbose_name=_("User"))
-    team = models.ForeignKey(Team, related_name="memberships",
-                             verbose_name=_("Team"))
+    user = models.ForeignKey(
+        User,
+        related_name="memberships",
+        verbose_name=_("User"),
+        on_delete=models.CASCADE,
+    )
+    team = models.ForeignKey(
+        Team,
+        related_name="memberships",
+        verbose_name=_("Team"),
+        on_delete=models.CASCADE,
+    )
     state = models.CharField(max_length=20, choices=MEMBERSHIP_STATE_CHOICES,
                              verbose_name=_("State"))
     message = models.TextField(blank=True, verbose_name=_("Message"))

vendor/symposion/utils/mail.py

@@ -9,7 +9,7 @@ from django.contrib.sites.models import Site
 
 
 class Sender(object):
-    ''' Class for sending e-mails under a templete prefix. '''
+    ''' Class for sending e-mails under a template prefix. '''
 
     def __init__(self, template_prefix):
         self.template_prefix = template_prefix