Dropped support for python 2.7 and django <2.0. Added support for

PostgreSQL

.travis.yml

@@ -5,15 +5,8 @@ install:
   - pip install coveralls
 matrix:
   include:
-    - python: 2.7
-      env: DJANGO_VERSION='Django>=1.11,<2.0'
     - python: 3.7
-      env: DJANGO_VERSION='Django>=1.11,<2.0'
-    - python: 3.7
-      env: DJANGO_VERSION='Django>=2.0,<2.1'
-  exclude:
-    - python: 2.7
-      env: DJANGO_VERSION='Django>=2.0,<2.1'
+      env: DJANGO_VERSION='Django>=2.2,<3.0'
   fast_finish: true
 script:
   coverage run --source=protector setup.py test

protector/__init__.py

@@ -1,3 +1,3 @@
 __author__ = 'Sergey Lihobabin'
-__version__ = '0.5.8'
+__version__ = '0.6.0'
 default_app_config = 'protector.apps.ProtectorConfig'

protector/models.py

@@ -7,7 +7,6 @@
 from django.contrib.contenttypes.models import ContentType
 from django.contrib.contenttypes.fields import GenericRelation, GenericForeignKey
 from django.utils.translation import ugettext_lazy as _
-from django.utils.six import text_type, python_2_unicode_compatible
 from mptt.models import MPTTModel, TreeForeignKey
 from protector.internals import (
     DEFAULT_ROLE,
@@ -186,7 +185,6 @@ def save(self, *args, **kwargs):
         super(GenericUserToGroup, self).save(*args, **kwargs)
 
 
-@python_2_unicode_compatible
 class HistoryGenericUserToGroup(AbstractBaseHistory, AbstractGenericUserToGroup):
     TYPE_ADD = 1
     TYPE_REMOVE = 2
@@ -210,7 +208,7 @@ class Meta:
         )
 
     def __str__(self):
-        return text_type('{history_id} | initiated by {responsible}, action: {action_type} | {group_name} {group_id}').\
+        return '{history_id} | initiated by {responsible}, action: {action_type} | {group_name} {group_id}'.\
             format(
                 history_id=self.id,
                 responsible=self.responsible.username if self.responsible else '',
@@ -328,7 +326,6 @@ def save(self, *args, **kwargs):
         super(OwnerToPermission, self).save(*args, **kwargs)
 
 
-@python_2_unicode_compatible
 class HistoryOwnerToPermission(AbstractBaseHistory, AbstractOwnerToPermission):
     TYPE_ADD = 1
     TYPE_REMOVE = 2

requirements.txt

@@ -1,4 +1,4 @@
-Django>=1.11
+Django>=2.0
 django-mptt>=0.8.6
 future>=0.16.0
 mock>=3.0.5