Add Python 2.7 compatibility

.travis.yml

@@ -1,13 +1,16 @@
 language: python
 python:
+  - "2.7"
   - "3.4"
   - "3.5"
 install:
   - pip install -U pip
-  - pip install coveralls
+  - pip install coveralls isort flake8
   - pip install -r requirements.txt
   - pip install -r dev-requirements.txt
   - pip install -e .
 script:
+  - isort -sp . --check-only rest_jwt_permission/*.py
+  - flake8 rest_jwt_permission
   - py.test -ra -vvv --cov-config .coveragerc --cov rest_jwt_permission rest_jwt_permission_tests
 after_success: coveralls

rest_jwt_permission/providers/admin.py

@@ -1,6 +1,5 @@
 # -*- coding: utf-8 -*-
-from functools import lru_cache
-
+from django.utils.lru_cache import lru_cache
 from django.utils.translation import ugettext_lazy as _
 
 from .base import ScopeProviderBase

rest_jwt_permission/providers/api_endpoint.py

@@ -1,6 +1,5 @@
 # -*- coding: utf-8 -*-
-from functools import lru_cache
-
+from django.utils.lru_cache import lru_cache
 from rest_framework.schemas import EndpointInspector
 
 from rest_jwt_permission.utils import get_role_for, get_view_role

rest_jwt_permission/providers/utils.py

@@ -1,7 +1,6 @@
 # -*- coding: utf-8 -*-
-from functools import lru_cache
-
 from django.utils import module_loading
+from django.utils.lru_cache import lru_cache
 
 from rest_jwt_permission.settings import get_setting
 

setup.cfg

@@ -3,10 +3,10 @@ description-file = README.md
 
 [tool:pytest]
 django_find_project = false
-norecursedirs = .git venv
+norecursedirs = .git venv .env
 
 [flake8]
-exclude = .git,__pycache__,docs/source/conf.py,old,build,dist
+exclude = .git,__pycache__
 max-complexity = 20
 max-line-length = 120
 

setup.py

@@ -20,6 +20,7 @@
     classifiers=[
         "Programming Language :: Python",
         "Programming Language :: Python :: 3.5",
+        "Programming Language :: Python :: 2.7",
         "Environment :: Web Environment",
         "Topic :: Internet :: WWW/HTTP",
         "Intended Audience :: Developers"