perf(django32): add compatibility with openedx maple release (#197)

BREAKING CHANGE: Drop python 3.5 support in favor of python 3.8.

.circleci/config.yml

@@ -14,13 +14,9 @@ workflows:
               only: /v?[0-9]+(\.[0-9]+)*/
           matrix:
             parameters:
-              python_version: ["3.5", "3.8"]
-              debian_version: ["stretch", "buster"]
-            exclude:
-              - python_version: "3.8"
-                debian_version: "stretch"
-              - python_version: "3.5"
-                debian_version: "buster"
+              python_version: ["3.8"]
+              debian_version: ["buster"]
+              django_version: ["django22", "django32"]
       - pypi:
           requires:
             - test
@@ -35,12 +31,10 @@ jobs:
     parameters:
       django_version:
         type: string
-        default: django22
       python_version:
         type: string
       debian_version:
         type: string
-        default: stretch
     docker:
       # specify the version you desire here
       # use `-browsers` prefix for selenium tests, e.g. `3.6.1-browsers`

Makefile

@@ -40,7 +40,7 @@ python-test: clean ## Run tests
 python-quality-test:
 	$(TOX) pylint ./eox_core
 	$(TOX) pycodestyle ./eox_core
-	$(TOX) isort --check-only --recursive --diff ./eox_core
+	$(TOX) isort --check-only --diff ./eox_core
 
 run-tests: python-test python-quality-test
 

README.rst

@@ -92,6 +92,8 @@ Compatibility Notes
 +-------------------+----------+
 |       Lilac       |   >= 4.9 |
 +-------------------+----------+
+|       Maple       |   >= 6.0 |
++-------------------+----------+
 
 The following changes to the plugin settings are necessary. If the release you are looking for is
 not listed, then the accumulation of changes from previous releases is enough.
@@ -128,6 +130,14 @@ not listed, then the accumulation of changes from previous releases is enough.
    EOX_CORE_PRE_ENROLLMENT_BACKEND: "eox_core.edxapp_wrapper.backends.pre_enrollment_l_v1"
    EOX_CORE_ENROLLMENT_BACKEND: "eox_core.edxapp_wrapper.backends.enrollment_l_v1"
 
+**Maple**
+
+.. code-block:: yaml
+
+   EOX_CORE_USERS_BACKEND: "eox_core.edxapp_wrapper.backends.users_m_v1"
+   EOX_CORE_PRE_ENROLLMENT_BACKEND: "eox_core.edxapp_wrapper.backends.pre_enrollment_l_v1"
+   EOX_CORE_ENROLLMENT_BACKEND: "eox_core.edxapp_wrapper.backends.enrollment_l_v1"
+
 These settings can be changed in ``eox_core/settings/common.py`` or, for example, in ansible configurations.
 
 **NOTE**: the current ``common.py`` works with Open edX juniper version.

eox_core/api/data/v1/fields.py

@@ -3,7 +3,7 @@
 """
 from __future__ import unicode_literals
 
-from django.utils import six
+import six
 from rest_framework import relations
 
 

eox_core/api/v1/views.py

@@ -8,9 +8,9 @@
 import logging
 
 import edx_api_doc_tools as apidocs
+import six
 from django.conf import settings
 from django.contrib.sites.shortcuts import get_current_site
-from django.utils import six
 from rest_framework import status
 from rest_framework.authentication import SessionAuthentication
 from rest_framework.exceptions import APIException, NotFound, ValidationError