Drf-yasg

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*Release date: Oct 14, 2018*

- **ADDED:** ``PERSIST_AUTH``, ``REFETCH_SCHEMA_WITH_AUTH``, ``REFETCH_SCHEMA_ON_LOGOUT``
settings and related javascript implementation for persisting authentication data to swagger-ui localStorage
- **IMPROVED:** UI-enabled views will now no longer generate the full specification document twice; the HTML part
of the view will only generate a barebones ``Swagger`` object with no ``paths`` and ``definitions``
- **IMPROVED:** added the ``FETCH_SCHEMA_WITH_QUERY`` setting to enable fetching of the schema document using
query parameters passed to the UI view (:issue:`208`)
- **IMPROVED:** added support for the very common ``x-nullable`` extension (:issue:`217`)
- **IMPROVED:** extensibility of some classes was improved by adding more extension points, together with more blocks
for ``swagger-ui.html``/``redoc.html`` and some JavaScript hooks in ``swagger-ui-init.js``
- **FIXED:** removed usage of ``inspect.signature`` on python 2.7 (:issue:`222`)

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*Release date: Sep 13, 2018*

- **ADDED:** added the ``DISPLAY_OPERATION_ID`` ``swagger-ui`` setting
- **IMPROVED:** updated ``ReDoc`` to version 2.0.0-alpha.38
- **IMPROVED:** Operation summary will now be parsed from multi-line view method docstrings (:issue:`205`)
- **IMPROVED:** ``pattern`` will now work on any field with a ``RegexValidator``
(would previously not appear on fields with special formats such as ``EmailField``)
- **FIXED:** fixed an issue with ``RelatedFieldInspector`` handling of nested serializers
- **FIXED:** fixed handling of ``reverse_lazy`` in URL settings (:issue:`209`)

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*Release date: Sep 10, 2018*

- **ADDED:** added the ``SPEC_URL`` setting for controlling the download link in ``swagger-ui`` and ``ReDoc``
- **ADDED:** updated ``ReDoc`` settings (added ``NATIVE_SCROLLBARS`` and ``REQUIRED_PROPS_FIRST``)
- **ADDED:** added ``extra_styles`` and ``extra_scripts`` blocks to ui templates (:issue:`178`)
- **IMPROVED:** updated ``swagger-ui`` to version 3.18.2
- **IMPROVED:** updated ``ReDoc`` to version 2.0.0-alpha.37
- **FIXED:** stopped generating invalid OpenAPI by improper placement of ``readOnly`` Schemas
- **FIXED:** fixed broken CSS when ``USE_SESSION_AUTH=False``
- **FIXED:** fixed implementation of ``operation_summary`` and ``deprecated`` (:pr:`194`, :pr:`198`)
- **FIXED:** fixed a bug related to nested ``typing`` hints (:pr:`195`)
- **FIXED:** removed dependency on ``future`` (:issue:`196`)
- **FIXED:** fixed exceptions logged for fields with ``default=None`` (:issue:`203`)
- **FIXED:** fixed ``request_body=no_body`` handling and related tests (:issue:`188`, :issue:`199`)


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*Release date: Aug 08, 2018*

- **ADDED:** added ``EXCLUDED_MEDIA_TYPES`` setting for controlling ``produces`` MIME type filtering (:issue:`158`)
- **ADDED:** added support for ``SerializerMethodField``, via the ``swagger_serializer_method`` decorator for the
method field, and support for Python 3.5 style type hinting of the method field return type
(:issue:`137`, :pr:`175`, :pr:`179`)

*NOTE:* in order for this to work, you will have to add the new ``drf_yasg.inspectors.SerializerMethodFieldInspector``
to your ``DEFAULT_FIELD_INSPECTORS`` array if you changed it from the default value

- **IMPROVED:** updated ``swagger-ui`` to version 3.18.0
- **IMPROVED:** added support for Python 3.7 and Django 2.1 (:pr:`176`)
- **IMPROVED:** ``swagger_schema_fields`` will now also work on serializer ``Field``\ s (:issue:`167`)
- **IMPROVED:** ``ref_name`` collisions will now log a warning message (:issue:`156`)
- **IMPROVED:** added ``operation_summary`` and ``deprecated`` arguments to ``swagger_auto_schema``
(:issue:`149`, :issue:`173`)
- **FIXED:** made ``swagger_auto_schema`` work with DRF 3.9 ``action`` mappings (:issue:`177`)

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*Release date: Aug 03, 2018*

- **IMPROVED:** updated ``swagger-ui`` to version 3.17.6
- **IMPROVED:** updated ``ReDoc`` to version 2.0.0-alpha.32
- **IMPROVED:** added ``--api-version`` argument to the ``generate_swagger`` management command (:pr:`170`)
- **FIXED:** corrected various documentation typos (:pr:`160`, :pr:`162`, :issue:`171`, :pr:`172`)
- **FIXED:** made ``generate_swagger`` work for projects without authentication (:pr:`161`)
- **FIXED:** fixed ``SafeText`` interaction with YAML codec (:issue:`159`)

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*Release date: Jun 30, 2018*

- **IMPROVED:** added a ``swagger_fake_view`` marker to more easily detect mock views in view methods;
``getattr(self, 'swagger_fake_view', False)`` inside a view method like ``get_serializer_class`` will tell you if the
view instance is being used for swagger schema introspection (:issue:`154`)
- **IMPROVED:** updated ``swagger-ui`` to version 3.17.1
- **IMPROVED:** updated ``ReDoc`` to version 2.0.0-alpha.25
- **FIXED:** fixed wrong handling of duplicate urls in urlconf (:pr:`155`)
- **FIXED:** fixed crash when passing ``None`` as a response override (:issue:`148`)

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