Add 1.16.1 changelog

Fixes #410
Fixes #411

.gitignore

@@ -3,6 +3,7 @@ testproj/db.sqlite3
 testproj/staticfiles
 \.pytest_cache/
 docs/\.doctrees/
+pip-wheel-metadata/
 
 # Created by .ignore support plugin (hsz.mobi)
 ### Python template

.idea/drf-yasg.iml

@@ -19,6 +19,7 @@
       <excludeFolder url="file://$MODULE_DIR$/.cache" />
       <excludeFolder url="file://$MODULE_DIR$/.eggs" />
       <excludeFolder url="file://$MODULE_DIR$/.pytest_cache" />
+      <excludeFolder url="file://$MODULE_DIR$/.tox" />
       <excludeFolder url="file://$MODULE_DIR$/build" />
       <excludeFolder url="file://$MODULE_DIR$/dist" />
       <excludeFolder url="file://$MODULE_DIR$/docs/.doctrees" />
@@ -44,4 +45,4 @@
     <option name="projectConfiguration" value="pytest" />
     <option name="PROJECT_TEST_RUNNER" value="pytest" />
   </component>
-</module>
+</module>

.travis.yml

@@ -1,7 +1,6 @@
 language: python
 python:
   - '2.7'
-  - '3.4'
   - '3.5'
   - '3.6'
   - '3.7'

CONTRIBUTING.rst

@@ -95,7 +95,7 @@ You want to contribute some code? Great! Here are a few steps to get you started
 
 #. **Your code must pass all the required travis jobs before it is merged**
 
-   As of now, this consists of running on Python 2.7, 3.4, 3.5 and 3.6, and building the docs succesfully.
+   As of now, this consists of running on Python 2.7, 3.5, 3.6 and 3.7, and building the docs succesfully.
 
 ******************
 Maintainer's notes

README.rst

@@ -13,9 +13,9 @@ Generate **real** Swagger/OpenAPI 2.0 specifications from a Django Rest Framewor
 
 Compatible with
 
-- **Django Rest Framework**: 3.7.7, 3.8, 3.9
-- **Django**: 1.11, 2.0, 2.1
-- **Python**: 2.7, 3.4, 3.5, 3.6, 3.7
+- **Django Rest Framework**: 3.8, 3.9
+- **Django**: 1.11, 2.1, 2.2
+- **Python**: 2.7, 3.5, 3.6, 3.7
 
 Only the latest patch version of each ``major.minor`` series of Python, Django and Django REST Framework is supported.
 
@@ -235,7 +235,7 @@ Offline
 ^^^^^^^
 
 If your schema is not accessible from the internet, you can run a local copy of
-`swagger-validator <https://hub.docker.com/r/swaggerapi/swagger-validator/>`_ and set the `VALIDATOR_URL` accordingly:
+`swagger-validator <https://hub.docker.com/r/swaggerapi/swagger-validator/>`_ and set the ``VALIDATOR_URL`` accordingly:
 
 .. code:: python
 

docs/changelog.rst

@@ -3,6 +3,38 @@ Changelog
 #########
 
 
+**********
+**1.16.1**
+**********
+
+*Release date: Jul 16, 2019*
+
+- **FIXED:** fixed DRF 3.10 compatibility (:pr:`408`, :issue:`410`, :issue:`411`)
+- **IMPROVED:** better enum type detection for nested `ChoiceField`s (:pr:`400`)
+
+**********
+**1.16.0**
+**********
+
+*Release date: Jun 13, 2019*
+
+- **ADDED:** added `reference_resolver_class` attribute hook to `SwaggerAutoSchema` (:pr:`350`)
+- **ADDED:** added `operation_keys` attribute to `SwaggerAutoSchema`, along with `__init__` parameter (:pr:`355`)
+- **FIXED:** fixed potential crash on `issubclass` check without `isclass` check
+
+**********
+**1.15.1**
+**********
+
+*Release date: Jun 13, 2019*
+
+- **IMPROVED:** updated ``swagger-ui`` to version 3.22.3
+- **IMPROVED:** updated ``ReDoc`` to version 2.0.0-rc.8-1
+- **FIXED:** fixed an issue with inspection of typing hints on Python 2.7 (:issue:`363`)
+- **FIXED:** fixed an issue with inspection of typing hints on Python 3.7 (:issue:`371`)
+
+**Python 3.4 support has been dropped!**
+
 **********
 **1.15.0**
 **********

docs/custom_spec.rst

@@ -87,14 +87,14 @@ Where you can use the :func:`@swagger_auto_schema <.swagger_auto_schema>` decora
 
 * for ``ViewSet``, ``GenericViewSet``, ``ModelViewSet``, because each viewset corresponds to multiple **paths**, you have
   to decorate the *action methods*, i.e. ``list``, ``create``, ``retrieve``, etc. |br|
-  Additionally, ``@action``\ s, ``@list_route``\ s or ``@detail_route``\ s defined on the viewset, like function based
-  api views, can respond to multiple HTTP methods and thus have multiple operations that must be decorated separately:
+  Additionally, ``@action``\ s defined on the viewset, like function based api views, can respond to multiple HTTP
+  methods and thus have multiple operations that must be decorated separately:
 
 
    .. code-block:: python
 
       class ArticleViewSet(viewsets.ModelViewSet):
-         # method or 'methods' can be skipped because the list_route only handles a single method (GET)
+         # method or 'methods' can be skipped because the action only handles a single method (GET)
          @swagger_auto_schema(operation_description='GET /articles/today/')
          @action(detail=False, methods=['get'])
          def today(self, request):

docs/settings.rst

@@ -340,7 +340,7 @@ values for Parameters.
 OAUTH2_REDIRECT_URL
 -------------------
 
-Used when OAuth2 authenitcation of API requests via swagger-ui is desired. If ``None`` is passed, the
+Used when OAuth2 authentication of API requests via swagger-ui is desired. If ``None`` is passed, the
 ``oauth2RedirectUrl`` parameter will be set to ``{% static 'drf-yasg/swagger-ui-dist/oauth2-redirect.html' %}``. This
 is the default `https://github.com/swagger-api/swagger-ui/blob/master/dist/oauth2-redirect.html <oauth2-redirect>`_
 file provided by ``swagger-ui``.
@@ -351,7 +351,7 @@ file provided by ``swagger-ui``.
 OAUTH2_CONFIG
 -------------
 
-Used when OAuth2 authenitcation of API requests via swagger-ui is desired. Provides OAuth2 configuration parameters
+Used when OAuth2 authentication of API requests via swagger-ui is desired. Provides OAuth2 configuration parameters
 to the ``SwaggerUIBundle#initOAuth`` method, and must be a dictionary. See
 `OAuth2 configuration <https://github.com/swagger-api/swagger-ui/blob/master/docs/usage/oauth2.md>`_.
 

package.json

@@ -1,8 +1,8 @@
 {
   "name": "drf-yasg",
   "dependencies": {
-    "redoc": "^2.0.0-rc.4",
-    "swagger-ui-dist": "^3.22.0"
+    "redoc": "^2.0.0-rc.8-1",
+    "swagger-ui-dist": "^3.22.3"
   },
   "repository": {
     "type": "git",

requirements/base.txt

@@ -5,5 +5,5 @@ inflection>=0.3.1
 six>=1.10.0
 uritemplate>=3.0.0
 
-djangorestframework>=3.7.7
+djangorestframework>=3.8
 Django>=1.11.7

requirements/test.txt

@@ -5,5 +5,7 @@ pytest-cov>=2.6.0
 pytest-xdist>=1.25.0
 pytest-django>=3.4.4
 datadiff==2.0.0
+psycopg2-binary==2.8.3
+django-fake-model==0.1.4
 
 -r testproj.txt

requirements/testproj.txt

@@ -1,10 +1,11 @@
 # test project requirements
 Pillow>=4.3.0
-pygments>=2.2.0
 django-cors-headers>=2.1.0
 django-filter>=1.1.0,<2.0; python_version == "2.7"
-django-filter>=1.1.0; python_version >= "3.4"
-djangorestframework-camel-case>=0.2.0
+django-filter>=1.1.0; python_version >= "3.5"
+#djangorestframework-camel-case>=0.2.0
+# tempory replacement of broken lib
+-e git+https://github.com/tfranzel/djangorestframework-camel-case.git@bd556d38fa7382acadfe91d93d92d99c663248a9#egg=djangorestframework_camel_case
 djangorestframework-recursive>=0.1.2
 dj-database-url>=0.4.2
 user_agents>=1.1.0

runtime.txt

@@ -1 +1 @@
-python-3.7.1
+python-3.7.3

setup.py

@@ -19,6 +19,18 @@ with io.open('README.rst', encoding='utf-8') as readme:
 requirements = read_req('base.txt')
 requirements_validation = read_req('validation.txt')
 
+py3_supported_range = (5, 7)
+
+# convert inclusive range to exclusive range
+py3_supported_range = (py3_supported_range[0], py3_supported_range[1] + 1)
+python_requires = ", ".join([">=2.7"] + ["!=3.{}.*".format(v) for v in range(0, py3_supported_range[0])])
+python_classifiers = [
+    'Programming Language :: Python',
+    'Programming Language :: Python :: 2',
+    'Programming Language :: Python :: 2.7',
+    'Programming Language :: Python :: 3',
+] + ['Programming Language :: Python :: 3.{}'.format(v) for v in range(*py3_supported_range)]
+
 
 def drf_yasg_setup(**kwargs):
     setup(
@@ -38,28 +50,21 @@ def drf_yasg_setup(**kwargs):
         author_email='cristi@cvjd.me',
         keywords='drf django django-rest-framework schema swagger openapi codegen swagger-codegen '
                  'documentation drf-yasg django-rest-swagger drf-openapi',
-        python_requires=">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*",
+        python_requires=python_requires,
         classifiers=[
             'Intended Audience :: Developers',
             'License :: OSI Approved :: BSD License',
             'Development Status :: 5 - Production/Stable',
             'Operating System :: OS Independent',
             'Environment :: Web Environment',
-            'Programming Language :: Python',
-            'Programming Language :: Python :: 2',
-            'Programming Language :: Python :: 2.7',
-            'Programming Language :: Python :: 3',
-            'Programming Language :: Python :: 3.4',
-            'Programming Language :: Python :: 3.5',
-            'Programming Language :: Python :: 3.6',
-            'Programming Language :: Python :: 3.7',
             'Framework :: Django',
             'Framework :: Django :: 1.11',
             'Framework :: Django :: 2.0',
             'Framework :: Django :: 2.1',
+            'Framework :: Django :: 2.2',
             'Topic :: Documentation',
             'Topic :: Software Development :: Code Generators',
-        ],
+        ] + python_classifiers,
         **kwargs
     )
 

src/drf_yasg/generators.py

@@ -4,14 +4,23 @@ import re
 from collections import OrderedDict, defaultdict
 
 import uritemplate
+import rest_framework
 from coreapi.compat import urlparse
 from rest_framework import versioning
 from rest_framework.compat import URLPattern, URLResolver, get_original_route
 from rest_framework.schemas.generators import EndpointEnumerator as _EndpointEnumerator
-from rest_framework.schemas.generators import SchemaGenerator, endpoint_ordering, get_pk_name
-from rest_framework.schemas.inspectors import get_pk_description
+from rest_framework.schemas.generators import endpoint_ordering, get_pk_name
+
 from rest_framework.settings import api_settings
 
+from packaging.version import Version
+if Version(rest_framework.__version__) < Version('3.10'):
+    from rest_framework.schemas.generators import SchemaGenerator
+    from rest_framework.schemas.inspectors import get_pk_description
+else:
+    from rest_framework.schemas import SchemaGenerator
+    from rest_framework.schemas.utils import get_pk_description
+
 from . import openapi
 from .app_settings import swagger_settings
 from .errors import SwaggerGenerationError
@@ -160,6 +169,7 @@ class OpenAPISchemaGenerator(object):
     Method implementations shamelessly stolen and adapted from rest-framework ``SchemaGenerator``.
     """
     endpoint_enumerator_class = EndpointEnumerator
+    reference_resolver_class = ReferenceResolver
 
     def __init__(self, info, version='', url=None, patterns=None, urlconf=None):
         """
@@ -238,7 +248,7 @@ class OpenAPISchemaGenerator(object):
         :rtype: openapi.Swagger
         """
         endpoints = self.get_endpoints(request)
-        components = ReferenceResolver(openapi.SCHEMA_DEFINITIONS, force_init=True)
+        components = self.reference_resolver_class(openapi.SCHEMA_DEFINITIONS, force_init=True)
         self.consumes = get_consumes(api_settings.DEFAULT_PARSER_CLASSES)
         self.produces = get_produces(api_settings.DEFAULT_RENDERER_CLASSES)
         paths, prefix = self.get_paths(endpoints, components, request, public)
@@ -440,7 +450,7 @@ class OpenAPISchemaGenerator(object):
         if view_inspector_cls is None:
             return None
 
-        view_inspector = view_inspector_cls(view, path, method, components, request, overrides)
+        view_inspector = view_inspector_cls(view, path, method, components, request, overrides, operation_keys)
         operation = view_inspector.get_operation(operation_keys)
         if operation is None:
             return None

src/drf_yasg/inspectors/field.py

@@ -2,6 +2,7 @@ import datetime
 import inspect
 import logging
 import operator
+import sys
 import uuid
 from collections import OrderedDict
 from decimal import Decimal
@@ -489,6 +490,10 @@ hinting_type_info = [
     (datetime.date, (openapi.TYPE_STRING, openapi.FORMAT_DATE)),
 ]
 
+if sys.version_info < (3, 0):
+    # noinspection PyUnresolvedReferences
+    hinting_type_info.append((unicode, (openapi.TYPE_STRING, None)))  # noqa: F821
+
 if typing:
     def inspect_collection_hint_class(hint_class):
         args = hint_class.__args__
@@ -527,11 +532,14 @@ def get_basic_type_info_from_hint(hint_class):
     :rtype: OrderedDict
     """
     union_types = _get_union_types(hint_class)
+
     if typing and union_types:
         # Optional is implemented as Union[T, None]
         if len(union_types) == 2 and isinstance(None, union_types[1]):
             result = get_basic_type_info_from_hint(union_types[0])
-            result['x-nullable'] = True
+            if result:
+                result['x-nullable'] = True
+
             return result
 
         return None
@@ -602,8 +610,6 @@ class SerializerMethodFieldInspector(FieldInspector):
             # look for Python 3.5+ style type hinting of the return value
             hint_class = inspect_signature(method).return_annotation
 
-            if not inspect.isclass(hint_class) and hasattr(hint_class, '__args__'):
-                hint_class = hint_class.__args__[0]
             if inspect.isclass(hint_class) and not issubclass(hint_class, inspect._empty):
                 type_info = get_basic_type_info_from_hint(hint_class)
 
@@ -650,7 +656,11 @@ class ChoiceFieldInspector(FieldInspector):
             serializer = get_parent_serializer(field)
             if isinstance(serializer, serializers.ModelSerializer):
                 model = getattr(getattr(serializer, 'Meta'), 'model')
-                model_field = get_model_field(model, field.source)
+                # Use the parent source for nested fields
+                model_field = get_model_field(model, field.source or field.parent.source)
+                # If the field has a base_field its type must be used
+                if getattr(model_field, "base_field", None):
+                    model_field = model_field.base_field
                 if model_field:
                     model_type = get_basic_type_info(model_field)
                     if model_type:

src/drf_yasg/inspectors/view.py

@@ -9,7 +9,7 @@ from .. import openapi
 from ..errors import SwaggerGenerationError
 from ..utils import (
     filter_none, force_real_str, force_serializer_instance, get_consumes, get_produces, guess_response_status,
-    is_list_view, merge_params, no_body, param_list_to_odict
+    merge_params, no_body, param_list_to_odict
 )
 from .base import ViewInspector, call_view_method
 
@@ -17,12 +17,15 @@ logger = logging.getLogger(__name__)
 
 
 class SwaggerAutoSchema(ViewInspector):
-    def __init__(self, view, path, method, components, request, overrides):
+    def __init__(self, view, path, method, components, request, overrides, operation_keys=None):
         super(SwaggerAutoSchema, self).__init__(view, path, method, components, request, overrides)
         self._sch = AutoSchema()
         self._sch.view = view
+        self.operation_keys = operation_keys
+
+    def get_operation(self, operation_keys=None):
+        operation_keys = operation_keys or self.operation_keys
 
-    def get_operation(self, operation_keys):
         consumes = self.get_consumes()
         produces = self.get_produces()
 
@@ -300,7 +303,7 @@ class SwaggerAutoSchema(ViewInspector):
 
         return natural_parameters + serializer_parameters
 
-    def get_operation_id(self, operation_keys):
+    def get_operation_id(self, operation_keys=None):
         """Return an unique ID for this operation. The ID must be unique across
         all :class:`.Operation` objects in the API.
 
@@ -308,6 +311,8 @@ class SwaggerAutoSchema(ViewInspector):
             of this view in the API; e.g. ``('snippets', 'list')``, ``('snippets', 'retrieve')``, etc.
         :rtype: str
         """
+        operation_keys = operation_keys or self.operation_keys
+
         operation_id = self.overrides.get('operation_id', '')
         if not operation_id:
             operation_id = '_'.join(operation_keys)
@@ -369,7 +374,7 @@ class SwaggerAutoSchema(ViewInspector):
         """
         return self.overrides.get('deprecated', None)
 
-    def get_tags(self, operation_keys):
+    def get_tags(self, operation_keys=None):
         """Get a list of tags for this operation. Tags determine how operations relate with each other, and in the UI
         each tag will show as a group containing the operations that use it. If not provided in overrides,
         tags will be inferred from the operation url.
@@ -378,6 +383,8 @@ class SwaggerAutoSchema(ViewInspector):
             of this view in the API; e.g. ``('snippets', 'list')``, ``('snippets', 'retrieve')``, etc.
         :rtype: list[str]
         """
+        operation_keys = operation_keys or self.operation_keys
+
         tags = self.overrides.get('tags')
         if not tags:
             tags = [operation_keys[0]]

src/drf_yasg/utils.py

@@ -166,7 +166,7 @@ def swagger_auto_schema(method=None, methods=None, auto_schema=unset, request_bo
 
             if len(available_http_methods) > 1:
                 assert _methods, \
-                    "on multi-method api_view, action, detail_route or list_route, you must specify " \
+                    "on multi-method api_view or action, you must specify " \
                     "swagger_auto_schema on a per-method basis using one of the `method` or `methods` arguments"
             else:
                 # for a single-method view we assume that single method as the decorator target
@@ -179,8 +179,8 @@ def swagger_auto_schema(method=None, methods=None, auto_schema=unset, request_bo
             view_method._swagger_auto_schema = existing_data
         else:
             assert not _methods, \
-                "the methods argument should only be specified when decorating an action, detail_route or " \
-                "list_route; you should also ensure that you put the swagger_auto_schema decorator " \
+                "the methods argument should only be specified when decorating an action; " \
+                "you should also ensure that you put the swagger_auto_schema decorator " \
                 "AFTER (above) the _route decorator"
             assert not existing_data, "swagger_auto_schema applied twice to method"
             view_method._swagger_auto_schema = data
@@ -215,7 +215,7 @@ def is_list_view(path, method, view):
     :param APIView view: target view
     :rtype: bool
     """
-    # for ViewSets, it could be the default 'list' action, or a list_route
+    # for ViewSets, it could be the default 'list' action, or an @action(detail=False)
     action = getattr(view, 'action', '')
     method = getattr(view, action, None) or method
     detail = getattr(method, 'detail', None)

testproj/articles/views.py

@@ -1,10 +1,8 @@
 import datetime
-import functools
 
 from django.utils.decorators import method_decorator
 from django_filters.rest_framework import DjangoFilterBackend
 from rest_framework import viewsets
-# noinspection PyDeprecation
 from rest_framework.filters import OrderingFilter
 from rest_framework.pagination import LimitOffsetPagination
 from rest_framework.parsers import FileUploadParser, MultiPartParser
@@ -93,17 +91,10 @@ class ArticleViewSet(viewsets.ModelViewSet):
 
     swagger_schema = NoTitleAutoSchema
 
-    try:
-        from rest_framework.decorators import action
-        list_route = functools.partial(action, detail=False)
-        detail_route = functools.partial(action, detail=True)
-    except ImportError:
-        # TODO: remove when dropping support for DRF 3.7
-        action = None
-        from rest_framework.decorators import list_route, detail_route
+    from rest_framework.decorators import action
 
     @swagger_auto_schema(auto_schema=NoPagingAutoSchema, filter_inspectors=[DjangoFilterDescriptionInspector])
-    @list_route(methods=['get'])
+    @action(detail=False, methods=['get'])
     def today(self, request):
         today_min = datetime.datetime.combine(datetime.date.today(), datetime.time.min)
         today_max = datetime.datetime.combine(datetime.date.today(), datetime.time.max)
@@ -118,7 +109,7 @@ class ArticleViewSet(viewsets.ModelViewSet):
         type=openapi.TYPE_INTEGER,
         description="this should not crash (form parameter on DELETE method)"
     )])
-    @detail_route(methods=['get', 'post', 'delete'], parser_classes=(MultiPartParser, FileUploadParser))
+    @action(detail=True, methods=['get', 'post', 'delete'], parser_classes=(MultiPartParser, FileUploadParser))
     def image(self, request, slug=None):
         """
         image method docstring

testproj/people/views.py

@@ -1,13 +1,19 @@
 from rest_framework import viewsets
+from rest_framework.pagination import BasePagination
 
 from .models import Identity, Person
 from .serializers import IdentitySerializer, PersonSerializer
 
 
+class UnknownPagination(BasePagination):
+    paginator_query_args = ['unknown_paginator']
+
+
 class PersonViewSet(viewsets.ModelViewSet):
     model = Person
     queryset = Person.objects
     serializer_class = PersonSerializer
+    pagination_class = UnknownPagination
 
 
 class IdentityViewSet(viewsets.ModelViewSet):

testproj/snippets/migrations/0004_auto_20190613_0154.py

@@ -0,0 +1,23 @@
+# Generated by Django 2.2.2 on 2019-06-12 22:54
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('snippets', '0003_snippetviewer'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='snippet',
+            name='language',
+            field=models.CharField(choices=[('cpp', 'cpp'), ('js', 'js'), ('python', 'python')], default='python', max_length=100),
+        ),
+        migrations.AlterField(
+            model_name='snippet',
+            name='style',
+            field=models.CharField(choices=[('monokai', 'monokai'), ('solarized-dark', 'solarized-dark'), ('vim', 'vim')], default='solarized-dark', max_length=100),
+        ),
+    ]

testproj/snippets/models.py

@@ -1,10 +1,7 @@
 from django.db import models
-from pygments.lexers import get_all_lexers
-from pygments.styles import get_all_styles
 
-LEXERS = [item for item in get_all_lexers() if item[1]]
-LANGUAGE_CHOICES = sorted([(item[1][0], item[0]) for item in LEXERS])
-STYLE_CHOICES = sorted((item, item) for item in get_all_styles())
+LANGUAGE_CHOICES = sorted((item, item) for item in ('cpp', 'python', 'js'))
+STYLE_CHOICES = sorted((item, item) for item in ('solarized-dark', 'monokai', 'vim'))
 
 
 class Snippet(models.Model):
@@ -14,7 +11,7 @@ class Snippet(models.Model):
     code = models.TextField(help_text="code model help text")
     linenos = models.BooleanField(default=False)
     language = models.CharField(choices=LANGUAGE_CHOICES, default='python', max_length=100)
-    style = models.CharField(choices=STYLE_CHOICES, default='friendly', max_length=100)
+    style = models.CharField(choices=STYLE_CHOICES, default='solarized-dark', max_length=100)
 
     class Meta:
         ordering = ('created',)

testproj/snippets/serializers.py

@@ -1,8 +1,13 @@
+import rest_framework
 from decimal import Decimal
 
 from django.contrib.auth import get_user_model
+from packaging.version import Version
+if Version(rest_framework.__version__) < Version('3.10'):
+    from rest_framework.compat import MaxLengthValidator, MinValueValidator
+else:
+    from django.core.validators import MaxLengthValidator, MinValueValidator
 from rest_framework import serializers
-from rest_framework.compat import MaxLengthValidator, MinValueValidator
 
 from snippets.models import LANGUAGE_CHOICES, STYLE_CHOICES, Snippet, SnippetViewer
 
@@ -17,7 +22,7 @@ class LanguageSerializer(serializers.Serializer):
 
 
 class ExampleProjectSerializer(serializers.Serializer):
-    project_name = serializers.CharField(help_text='Name of the project')
+    project_name = serializers.CharField(label='project name custom title', help_text='Name of the project')
     github_repo = serializers.CharField(required=True, help_text='Github repository of the project')
 
     class Meta:
@@ -69,7 +74,7 @@ class SnippetSerializer(serializers.Serializer):
     tags = serializers.ListField(child=serializers.CharField(min_length=2), min_length=3, max_length=15)
     linenos = serializers.BooleanField(required=False)
     language = LanguageSerializer(help_text="Sample help text for language")
-    styles = serializers.MultipleChoiceField(choices=STYLE_CHOICES, default=['friendly'])
+    styles = serializers.MultipleChoiceField(choices=STYLE_CHOICES, default=['solarized-dark'])
     lines = serializers.ListField(child=serializers.IntegerField(), allow_empty=True, allow_null=True, required=False)
     example_projects = serializers.ListSerializer(child=ExampleProjectSerializer(), read_only=True,
                                                   validators=[MaxLengthValidator(100)])

testproj/testproj/inspectors.py

@@ -0,0 +1,11 @@
+from drf_yasg import openapi
+from drf_yasg.inspectors import NotHandled, PaginatorInspector
+
+
+class UnknownPaginatorInspector(PaginatorInspector):
+    def get_paginator_parameters(self, paginator):
+        if hasattr(paginator, 'paginator_query_args'):
+            return [openapi.Parameter(name=arg, in_=openapi.IN_QUERY, type=openapi.TYPE_STRING)
+                    for arg in getattr(paginator, 'paginator_query_args')]
+
+        return NotHandled

testproj/testproj/settings/base.py

@@ -140,7 +140,12 @@ SWAGGER_SETTINGS = {
         'clientId': OAUTH2_CLIENT_ID,
         'clientSecret': OAUTH2_CLIENT_SECRET,
         'appName': OAUTH2_APP_NAME,
-    }
+    },
+    "DEFAULT_PAGINATOR_INSPECTORS": [
+        'testproj.inspectors.UnknownPaginatorInspector',
+        'drf_yasg.inspectors.DjangoRestResponsePagination',
+        'drf_yasg.inspectors.CoreAPICompatInspector',
+    ]
 }
 
 REDOC_SETTINGS = {

testproj/users/serializers.py

@@ -1,3 +1,5 @@
+import sys
+
 from django.contrib.auth.models import User
 from rest_framework import serializers
 
@@ -6,7 +8,10 @@ from snippets.models import Snippet
 
 try:
     import typing  # noqa: F401
-    from .method_serializers_with_typing import MethodFieldExampleSerializer
+    if sys.version_info >= (3, 4):
+        from .method_serializers_with_typing import MethodFieldExampleSerializer
+    else:
+        from .method_serializers_without_typing import MethodFieldExampleSerializer
 except ImportError:
     from .method_serializers_without_typing import MethodFieldExampleSerializer
 

tests/reference.yaml

@@ -276,7 +276,10 @@ paths:
     get:
       operationId: people_list
       description: ''
-      parameters: []
+      parameters:
+        - name: unknown_paginator
+          in: query
+          type: string
       responses:
         '200':
           description: ''
@@ -1110,7 +1113,7 @@ definitions:
     type: object
     properties:
       projectName:
-        title: Project name
+        title: project name custom title
         description: Name of the project
         type: string
         minLength: 1
@@ -1176,443 +1179,9 @@ definitions:
             description: The name of the programming language
             type: string
             enum:
-              - abap
-              - abnf
-              - ada
-              - adl
-              - agda
-              - aheui
-              - ahk
-              - alloy
-              - ampl
-              - antlr
-              - antlr-as
-              - antlr-cpp
-              - antlr-csharp
-              - antlr-java
-              - antlr-objc
-              - antlr-perl
-              - antlr-python
-              - antlr-ruby
-              - apacheconf
-              - apl
-              - applescript
-              - arduino
-              - as
-              - as3
-              - aspectj
-              - aspx-cs
-              - aspx-vb
-              - asy
-              - at
-              - autoit
-              - awk
-              - basemake
-              - bash
-              - bat
-              - bbcode
-              - bc
-              - befunge
-              - bib
-              - blitzbasic
-              - blitzmax
-              - bnf
-              - boo
-              - boogie
-              - brainfuck
-              - bro
-              - bst
-              - bugs
-              - c
-              - c-objdump
-              - ca65
-              - cadl
-              - camkes
-              - capdl
-              - capnp
-              - cbmbas
-              - ceylon
-              - cfc
-              - cfengine3
-              - cfm
-              - cfs
-              - chai
-              - chapel
-              - cheetah
-              - cirru
-              - clay
-              - clean
-              - clojure
-              - clojurescript
-              - cmake
-              - cobol
-              - cobolfree
-              - coffee-script
-              - common-lisp
-              - componentpascal
-              - console
-              - control
-              - coq
               - cpp
-              - cpp-objdump
-              - cpsa
-              - cr
-              - crmsh
-              - croc
-              - cryptol
-              - csharp
-              - csound
-              - csound-document
-              - csound-score
-              - css
-              - css+django
-              - css+erb
-              - css+genshitext
-              - css+lasso
-              - css+mako
-              - css+mozpreproc
-              - css+myghty
-              - css+php
-              - css+smarty
-              - cucumber
-              - cuda
-              - cypher
-              - cython
-              - d
-              - d-objdump
-              - dart
-              - delphi
-              - dg
-              - diff
-              - django
-              - docker
-              - doscon
-              - dpatch
-              - dtd
-              - duel
-              - dylan
-              - dylan-console
-              - dylan-lid
-              - earl-grey
-              - easytrieve
-              - ebnf
-              - ec
-              - ecl
-              - eiffel
-              - elixir
-              - elm
-              - emacs
-              - erb
-              - erl
-              - erlang
-              - evoque
-              - extempore
-              - ezhil
-              - factor
-              - fan
-              - fancy
-              - felix
-              - fennel
-              - fish
-              - flatline
-              - forth
-              - fortran
-              - fortranfixed
-              - foxpro
-              - fsharp
-              - gap
-              - gas
-              - genshi
-              - genshitext
-              - glsl
-              - gnuplot
-              - go
-              - golo
-              - gooddata-cl
-              - gosu
-              - groff
-              - groovy
-              - gst
-              - haml
-              - handlebars
-              - haskell
-              - haxeml
-              - hexdump
-              - hlsl
-              - hsail
-              - html
-              - html+cheetah
-              - html+django
-              - html+evoque
-              - html+genshi
-              - html+handlebars
-              - html+lasso
-              - html+mako
-              - html+myghty
-              - html+ng2
-              - html+php
-              - html+smarty
-              - html+twig
-              - html+velocity
-              - http
-              - hx
-              - hybris
-              - hylang
-              - i6t
-              - idl
-              - idris
-              - iex
-              - igor
-              - inform6
-              - inform7
-              - ini
-              - io
-              - ioke
-              - irc
-              - isabelle
-              - j
-              - jags
-              - jasmin
-              - java
-              - javascript+mozpreproc
-              - jcl
-              - jlcon
               - js
-              - js+cheetah
-              - js+django
-              - js+erb
-              - js+genshitext
-              - js+lasso
-              - js+mako
-              - js+myghty
-              - js+php
-              - js+smarty
-              - jsgf
-              - json
-              - json-object
-              - jsonld
-              - jsp
-              - julia
-              - juttle
-              - kal
-              - kconfig
-              - koka
-              - kotlin
-              - lagda
-              - lasso
-              - lcry
-              - lean
-              - less
-              - lhs
-              - lidr
-              - lighty
-              - limbo
-              - liquid
-              - live-script
-              - llvm
-              - logos
-              - logtalk
-              - lsl
-              - lua
-              - make
-              - mako
-              - maql
-              - mask
-              - mason
-              - mathematica
-              - matlab
-              - matlabsession
-              - md
-              - minid
-              - modelica
-              - modula2
-              - monkey
-              - monte
-              - moocode
-              - moon
-              - mozhashpreproc
-              - mozpercentpreproc
-              - mql
-              - mscgen
-              - mupad
-              - mxml
-              - myghty
-              - mysql
-              - nasm
-              - ncl
-              - nemerle
-              - nesc
-              - newlisp
-              - newspeak
-              - ng2
-              - nginx
-              - nim
-              - nit
-              - nixos
-              - nsis
-              - numpy
-              - nusmv
-              - objdump
-              - objdump-nasm
-              - objective-c
-              - objective-c++
-              - objective-j
-              - ocaml
-              - octave
-              - odin
-              - ooc
-              - opa
-              - openedge
-              - pacmanconf
-              - pan
-              - parasail
-              - pawn
-              - perl
-              - perl6
-              - php
-              - pig
-              - pike
-              - pkgconfig
-              - plpgsql
-              - postgresql
-              - postscript
-              - pot
-              - pov
-              - powershell
-              - praat
-              - prolog
-              - properties
-              - protobuf
-              - ps1con
-              - psql
-              - pug
-              - puppet
-              - py3tb
-              - pycon
-              - pypylog
-              - pytb
               - python
-              - python3
-              - qbasic
-              - qml
-              - qvto
-              - racket
-              - ragel
-              - ragel-c
-              - ragel-cpp
-              - ragel-d
-              - ragel-em
-              - ragel-java
-              - ragel-objc
-              - ragel-ruby
-              - raw
-              - rb
-              - rbcon
-              - rconsole
-              - rd
-              - rebol
-              - red
-              - redcode
-              - registry
-              - resource
-              - rexx
-              - rhtml
-              - rnc
-              - roboconf-graph
-              - roboconf-instances
-              - robotframework
-              - rql
-              - rsl
-              - rst
-              - rts
-              - rust
-              - sas
-              - sass
-              - sc
-              - scala
-              - scaml
-              - scheme
-              - scilab
-              - scss
-              - shen
-              - silver
-              - slim
-              - smali
-              - smalltalk
-              - smarty
-              - sml
-              - snobol
-              - snowball
-              - sourceslist
-              - sp
-              - sparql
-              - spec
-              - splus
-              - sql
-              - sqlite3
-              - squidconf
-              - ssp
-              - stan
-              - stata
-              - swift
-              - swig
-              - systemverilog
-              - tads3
-              - tap
-              - tasm
-              - tcl
-              - tcsh
-              - tcshcon
-              - tea
-              - termcap
-              - terminfo
-              - terraform
-              - tex
-              - text
-              - thrift
-              - todotxt
-              - trac-wiki
-              - treetop
-              - ts
-              - tsql
-              - turtle
-              - twig
-              - typoscript
-              - typoscriptcssdata
-              - typoscripthtmldata
-              - urbiscript
-              - vala
-              - vb.net
-              - vcl
-              - vclsnippets
-              - vctreestatus
-              - velocity
-              - verilog
-              - vgl
-              - vhdl
-              - vim
-              - wdiff
-              - whiley
-              - x10
-              - xml
-              - xml+cheetah
-              - xml+django
-              - xml+erb
-              - xml+evoque
-              - xml+lasso
-              - xml+mako
-              - xml+myghty
-              - xml+php
-              - xml+smarty
-              - xml+velocity
-              - xorg.conf
-              - xquery
-              - xslt
-              - xtend
-              - xul+mozpreproc
-              - yaml
-              - yaml+jinja
-              - zephir
             default: python
           readOnlyNullable:
             title: Read only nullable
@@ -1625,37 +1194,11 @@ definitions:
         items:
           type: string
           enum:
-            - abap
-            - algol
-            - algol_nu
-            - arduino
-            - autumn
-            - borland
-            - bw
-            - colorful
-            - default
-            - emacs
-            - friendly
-            - fruity
-            - igor
-            - lovelace
-            - manni
             - monokai
-            - murphy
-            - native
-            - paraiso-dark
-            - paraiso-light
-            - pastie
-            - perldoc
-            - rainbow_dash
-            - rrt
-            - tango
-            - trac
+            - solarized-dark
             - vim
-            - vs
-            - xcode
         default:
-          - friendly
+          - solarized-dark
       lines:
         type: array
         items:

tests/test_schema_generator.py

@@ -3,11 +3,14 @@ from collections import OrderedDict
 
 import pytest
 from django.conf.urls import url
+from django.contrib.postgres import fields as postgres_fields
+from django.db import models
 from django.utils.inspect import get_func_args
 from rest_framework import routers, serializers, viewsets
 from rest_framework.decorators import api_view
 from rest_framework.response import Response
 
+from django_fake_model import models as fake_models
 from drf_yasg import codecs, openapi
 from drf_yasg.codecs import yaml_sane_load
 from drf_yasg.errors import SwaggerGenerationError
@@ -204,6 +207,7 @@ def test_action_mapping():
 
 @pytest.mark.parametrize('choices, expected_type', [
     (['A', 'B'], openapi.TYPE_STRING),
+    ([u'A', u'B'], openapi.TYPE_STRING),
     ([123, 456], openapi.TYPE_INTEGER),
     ([1.2, 3.4], openapi.TYPE_NUMBER),
     (['A', 456], openapi.TYPE_STRING)
@@ -229,3 +233,43 @@ def test_choice_field(choices, expected_type):
     property_schema = swagger['definitions']['Detail']['properties']['detail']
 
     assert property_schema == openapi.Schema(title='Detail', type=expected_type, enum=choices)
+
+
+@pytest.mark.parametrize('choices, field, expected_type', [
+    ([1, 2, 3], models.IntegerField, openapi.TYPE_INTEGER),
+    (["A", "B"], models.CharField, openapi.TYPE_STRING),
+])
+def test_nested_choice_in_array_field(choices, field, expected_type):
+
+    # Create a model class on the fly to avoid warnings about using the several
+    # model class name several times
+    model_class = type(
+        "%sModel" % field.__name__,
+        (fake_models.FakeModel,),
+        {
+            "array": postgres_fields.ArrayField(
+                field(choices=((i, "choice %s" % i) for i in choices))
+            ),
+            "__module__": "test_models",
+        }
+    )
+
+    class ArraySerializer(serializers.ModelSerializer):
+        class Meta:
+            model = model_class
+            fields = ("array",)
+
+    class ArrayViewSet(viewsets.ModelViewSet):
+        serializer_class = ArraySerializer
+
+    router = routers.DefaultRouter()
+    router.register(r'arrays', ArrayViewSet, **_basename_or_base_name('arrays'))
+
+    generator = OpenAPISchemaGenerator(
+        info=openapi.Info(title='Test array model generator', default_version='v1'),
+        patterns=router.urls
+    )
+
+    swagger = generator.get_schema(None, True)
+    property_schema = swagger['definitions']['Array']['properties']['array']['items']
+    assert property_schema == openapi.Schema(title='Array', type=expected_type, enum=choices)

tox.ini

@@ -5,9 +5,11 @@ isolated_build_env = .package
 
 # https://docs.djangoproject.com/en/dev/faq/install/#what-python-version-can-i-use-with-django
 envlist =
-    py{27,34,35,36}-django111-drf{37,38,39},
-    py{34,35,36,37}-django20-drf{37,38,39},
-    py{35,36,37}-django21-drf{37,38,39},
+    py27-django111-drf39-typing,
+    py27-django111-drf{38,39},
+    py{35,36}-django{111,21,22}-drf{38,39},
+    py37-django{21,22}-drf{38,39},
+    py37-django{21,22}-drf310,
     djmaster, lint, docs
 
 [testenv:.package]
@@ -17,12 +19,14 @@ deps =
 [testenv]
 deps =
     django111: Django>=1.11,<2.0
-    django20: Django>=2.0,<2.1
     django21: Django>=2.1,<2.2
+    django22: Django>=2.2,<2.3
 
-    drf37: djangorestframework>=3.7.7,<3.8
-    drf38: djangorestframework>=3.8.0,<3.9
+    drf38: djangorestframework>=3.8,<3.9
     drf39: djangorestframework>=3.9,<3.10
+    drf310: djangorestframework>=3.10
+
+    typing: typing>=3.6.6
 
     # test with the latest build of django-rest-framework to get early warning of compatibility issues
     djmaster: https://github.com/encode/django-rest-framework/archive/master.tar.gz
@@ -72,6 +76,6 @@ known_standard_library =
     types,warnings
 known_third_party =
     coreapi,coreschema,datadiff,dj_database_url,django,django_filters,djangorestframework_camel_case,
-    rest_framework_recursive,flex,gunicorn,inflection,pygments,pytest,rest_framework,ruamel,setuptools_scm,
+    rest_framework_recursive,flex,gunicorn,inflection,pytest,rest_framework,ruamel,setuptools_scm,
     swagger_spec_validator,uritemplate,user_agents,whitenoise,oauth2_provider
 known_first_party = drf_yasg,testproj,articles,people,snippets,todo,users,urlconfs