clean up unnecessary usage of the six library (awx only supports py3)

awx/conf/fields.py

@@ -10,8 +10,6 @@ from django.utils.translation import ugettext_lazy as _
 # Django REST Framework
 from rest_framework.fields import *  # noqa
 
-import six
-
 logger = logging.getLogger('awx.conf.fields')
 
 # Use DRF fields to convert/validate settings:
@@ -139,7 +137,7 @@ class KeyValueField(DictField):
     def to_internal_value(self, data):
         ret = super(KeyValueField, self).to_internal_value(data)
         for value in data.values():
-            if not isinstance(value, six.string_types + six.integer_types + (float,)):
+            if not isinstance(value, (str, int, float)):
                 if isinstance(value, OrderedDict):
                     value = dict(value)
                 self.fail('invalid_child', input=value)

awx/conf/migrations/_reencrypt.py

@@ -1,7 +1,6 @@
 import base64
 import hashlib
 
-import six
 from django.utils.encoding import smart_str
 
 from cryptography.hazmat.backends import default_backend
@@ -91,7 +90,7 @@ def encrypt_field(instance, field_name, ask=False, subfield=None, skip_utf8=Fals
     if skip_utf8:
         utf8 = False
     else:
-        utf8 = type(value) == six.text_type
+        utf8 = type(value) == str
     value = smart_str(value)
     key = get_encryption_key(field_name, getattr(instance, 'pk', None))
     encryptor = Cipher(AES(key), ECB(), default_backend()).encryptor()

awx/conf/serializers.py

@@ -1,8 +1,6 @@
 # Django REST Framework
 from rest_framework import serializers
 
-import six
-
 # Tower
 from awx.api.fields import VerbatimField
 from awx.api.serializers import BaseSerializer
@@ -47,12 +45,12 @@ class SettingFieldMixin(object):
     """Mixin to use a registered setting field class for API display/validation."""
 
     def to_representation(self, obj):
-        if getattr(self, 'encrypted', False) and isinstance(obj, six.string_types) and obj:
+        if getattr(self, 'encrypted', False) and isinstance(obj, str) and obj:
             return '$encrypted$'
         return obj
 
     def to_internal_value(self, value):
-        if getattr(self, 'encrypted', False) and isinstance(value, six.string_types) and value.startswith('$encrypted$'):
+        if getattr(self, 'encrypted', False) and isinstance(value, str) and value.startswith('$encrypted$'):
             raise serializers.SkipField()
         obj = super(SettingFieldMixin, self).to_internal_value(value)
         return super(SettingFieldMixin, self).to_representation(obj)

awx/conf/tests/functional/conftest.py

@@ -1,7 +1,8 @@
+import urllib.parse
+
 import pytest
 
 from django.core.urlresolvers import resolve
-from django.utils.six.moves.urllib.parse import urlparse
 from django.contrib.auth.models import User
 
 from rest_framework.test import (
@@ -33,7 +34,7 @@ def admin():
 @pytest.fixture
 def api_request(admin):
     def rf(verb, url, data=None, user=admin):
-        view, view_args, view_kwargs = resolve(urlparse(url)[2])
+        view, view_args, view_kwargs = resolve(urllib.parse.urlparse(url)[2])
         request = getattr(APIRequestFactory(), verb)(url, data=data, format='json')
         if user:
             force_authenticate(request, user=user)

awx/conf/tests/unit/test_settings.py

@@ -13,7 +13,6 @@ from django.core.cache.backends.locmem import LocMemCache
 from django.core.exceptions import ImproperlyConfigured
 from django.utils.translation import ugettext_lazy as _
 import pytest
-import six
 
 from awx.conf import models, fields
 from awx.conf.settings import SettingsWrapper, EncryptedCacheProxy, SETTING_CACHE_NOTSET
@@ -70,7 +69,7 @@ def test_cached_settings_unicode_is_auto_decoded(settings):
 
     value = 'Iñtërnâtiônàlizætiøn'  # this simulates what python-memcached does on cache.set()
     settings.cache.set('DEBUG', value)
-    assert settings.cache.get('DEBUG') == six.u('Iñtërnâtiônàlizætiøn')
+    assert settings.cache.get('DEBUG') == 'Iñtërnâtiônàlizætiøn'
 
 
 def test_read_only_setting(settings):

awx/conf/utils.py

@@ -6,8 +6,6 @@ import glob
 import os
 import shutil
 
-import six
-
 # AWX
 from awx.conf.registry import settings_registry
 
@@ -15,7 +13,7 @@ __all__ = ['comment_assignments', 'conf_to_dict']
 
 
 def comment_assignments(patterns, assignment_names, dry_run=True, backup_suffix='.old'):
-    if isinstance(patterns, six.string_types):
+    if isinstance(patterns, str):
         patterns = [patterns]
     diffs = []
     for pattern in patterns:
@@ -34,7 +32,7 @@ def comment_assignments(patterns, assignment_names, dry_run=True, backup_suffix=
 def comment_assignments_in_file(filename, assignment_names, dry_run=True, backup_filename=None):
     from redbaron import RedBaron, indent
 
-    if isinstance(assignment_names, six.string_types):
+    if isinstance(assignment_names, str):
         assignment_names = [assignment_names]
     else:
         assignment_names = assignment_names[:]