Update to Django 3

Pipfile

@@ -6,7 +6,7 @@ name = "pypi"
 [packages]
 dnspython = "*"
 netaddr = "*"
-django = "~=2.2.0"
+django = "~=3.0.0"
 django-bootstrap-form = "*"
 django-referrer-policy = "*"
 django-registration-redux = "*"

Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "6189b5cf3ceedd47ba567f9b1afc4285c18909b9964225a13cf108df7482661c"
+            "sha256": "f4bc97fb900db2e34bb37edc0ed62b30f3696caf657827d0467813a3803a2b45"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -16,6 +16,14 @@
         ]
     },
     "default": {
+        "asgiref": {
+            "hashes": [
+                "sha256:71e68008da809b957b7ee4b43dbccff33d1b23519fb8344e33f049897077afac",
+                "sha256:9567dfe7bd8d3c8c892227827c41cce860b368104c3431da67a0c5a65a949506"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==3.6.0"
+        },
         "certifi": {
             "hashes": [
                 "sha256:35824b4c3a97115964b408844d64aa14db1cc518f6562e8d7261699d1350a9e3",
@@ -225,11 +233,11 @@
         },
         "django": {
             "hashes": [
-                "sha256:0200b657afbf1bc08003845ddda053c7641b9b24951e52acd51f6abda33a7413",
+                "sha256:9bc7aa619ed878fedba62ce139abe663a147dccfd20e907725ec11e02a1ca225",
-                "sha256:365429d07c1336eb42ba15aa79f45e1c13a0b04d5c21569e7d596696418a6a45"
+                "sha256:d58d8394036db75a81896037d757357e79406e8f68816c3e8a28721c1d9d4c11"
             ],
             "index": "pypi",
-            "version": "==2.2.28"
+            "version": "==3.0.14"
         },
         "django-bootstrap-form": {
             "hashes": [
@@ -420,6 +428,14 @@
             "markers": "python_version >= '3.6'",
             "version": "==0.7.13"
         },
+        "asgiref": {
+            "hashes": [
+                "sha256:71e68008da809b957b7ee4b43dbccff33d1b23519fb8344e33f049897077afac",
+                "sha256:9567dfe7bd8d3c8c892227827c41cce860b368104c3431da67a0c5a65a949506"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==3.6.0"
+        },
         "astroid": {
             "hashes": [
                 "sha256:3bc7834720e1a24ca797fd785d77efb14f7a28ee8e635ef040b6e2d80ccb3303",
@@ -555,11 +571,11 @@
         },
         "django": {
             "hashes": [
-                "sha256:0200b657afbf1bc08003845ddda053c7641b9b24951e52acd51f6abda33a7413",
+                "sha256:9bc7aa619ed878fedba62ce139abe663a147dccfd20e907725ec11e02a1ca225",
-                "sha256:365429d07c1336eb42ba15aa79f45e1c13a0b04d5c21569e7d596696418a6a45"
+                "sha256:d58d8394036db75a81896037d757357e79406e8f68816c3e8a28721c1d9d4c11"
             ],
             "index": "pypi",
-            "version": "==2.2.28"
+            "version": "==3.0.14"
         },
         "django-debug-toolbar": {
             "hashes": [

src/nsupdate/accounts/models.py

@@ -9,11 +9,8 @@ from django.dispatch import receiver
 from django.contrib.auth.signals import user_logged_in
 from django.utils.translation import ugettext_lazy as _
 from django.utils.translation import LANGUAGE_SESSION_KEY
-from django.utils.encoding import python_2_unicode_compatible
-from django.utils.six import text_type
 
 
-@python_2_unicode_compatible
 class UserProfile(models.Model):
     """
     stuff we need additionally to what Django stores in User model
@@ -25,7 +22,7 @@ class UserProfile(models.Model):
                                 verbose_name=_('language'))
 
     def __str__(self):
-        return u"profile for %s" % text_type(self.user)
+        return u"profile for %s" % str(self.user)
 
     class Meta:
         verbose_name = _('user profile')

src/nsupdate/main/models.py

@@ -18,8 +18,6 @@ from django.db.models.signals import pre_delete, post_save
 from django.contrib.auth.hashers import make_password
 from django.utils.timezone import now
 from django.utils.translation import ugettext_lazy as _
-from django.utils.encoding import python_2_unicode_compatible
-from django.utils.six import text_type
 
 from . import dnstools
 
@@ -34,7 +32,6 @@ def result_fmt(msg):
     return msg[:RESULT_MSG_LEN]
 
 
-@python_2_unicode_compatible
 class BlacklistedHost(models.Model):
     name_re = models.CharField(
         _('name RegEx'),
@@ -81,7 +78,6 @@ UPDATE_ALGORITHMS = {
 UPDATE_ALGORITHM_CHOICES = [(k, k) for k in UPDATE_ALGORITHMS]
 
 
-@python_2_unicode_compatible
 class Domain(models.Model):
     name = models.CharField(
         _("name"),
@@ -154,7 +150,6 @@ class Domain(models.Model):
         ordering = ('name',)
 
 
-@python_2_unicode_compatible
 class Host(models.Model):
     name = models.CharField(
         _("name"),
@@ -373,7 +368,6 @@ def post_save_host(sender, **kwargs):
 post_save.connect(post_save_host, sender=Host)
 
 
-@python_2_unicode_compatible
 class RelatedHost(models.Model):
     # host addr = network_of_main_host + interface_id
     name = models.CharField(
@@ -414,7 +408,7 @@ class RelatedHost(models.Model):
         verbose_name=_("main host"))
 
     def __str__(self):
-        return u"%s.%s" % (self.name, text_type(self.main_host))
+        return u"%s.%s" % (self.name, str(self.main_host))
 
     class Meta(object):
         unique_together = (('name', 'main_host'),)
@@ -447,7 +441,6 @@ class RelatedHost(models.Model):
 pre_delete.connect(pre_delete_host, sender=RelatedHost)
 
 
-@python_2_unicode_compatible
 class ServiceUpdater(models.Model):
     name = models.CharField(
         _("name"),
@@ -491,7 +484,6 @@ class ServiceUpdater(models.Model):
         verbose_name_plural = _('service updaters')
 
 
-@python_2_unicode_compatible
 class ServiceUpdaterHostConfig(models.Model):
     service = models.ForeignKey(ServiceUpdater, on_delete=models.CASCADE, verbose_name=_("service"))