Drf-yasg

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*Release date: Jan 29, 2019*

- **IMPROVED:** type hint inspection is now supported for collections and ``Optional`` (:pr:`272`)
- **IMPROVED:** updated ``swagger-ui`` to version 3.20.5
- **IMPROVED:** updated ``ReDoc`` to version 2.0.0-rc.2
- **DEPRECATED:** quietly dropped support for the ``flex`` validator; it will still work if the library is installed,
but the setup.py requirement was removed and the validator will be silently skipped if not installed (:issue:`285`)

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*Release date: Dec 28, 2018*

- **IMPROVED:** updated ``ReDoc`` to version 2.0.0-rc.0
- **FIXED:** management command will now correctly fall back to ``DEFAULT_VERSION`` for mock request
- **FIXED:** fixed bad "raised exception during schema generation" warnings caused by missing ``self`` parameter

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*Release date: Dec 23, 2018*

- **ADDED:** ``get_security_definitions`` and ``get_security_requirements`` hooks to ``OpenAPISchemaGenerator``
- **ADDED:** added ``get_summary_and_description`` and ``split_summary_from_description`` extension points to
``SwaggerAutoSchema`` to allow for better customization
- **IMPROVED:** updated ``swagger-ui`` to version 3.20.4
- **IMPROVED:** paginator ``next`` and ``previous`` fields are now marked as ``x-nullable`` (:issue:`263`)
- **IMPROVED:** added the ``tags`` argument to ``swagger_auto_schema`` (:pr:`259`)
- **IMPROVED:** type of ``enum`` will now be automatically detected from ``ChoiceField`` if all ``choices`` values
are objects of the same Python class (:pr:`264`)
- **IMPROVED:** ``SwaggerValidationError`` details will now be logged and shown in the exception message
- **FIXED:** user implementations of ``get_queryset``, ``get_parsers`` and ``get_renderers`` will no longer be bypassed
- **FIXED:** fixed handling of lazy objects in user-supplied values
- **FIXED:** ``read_only`` serializer fields will be correctly ignored when generating form parameters (:issue:`261`)
- **FIXED:** fixed incorrect return type from ``UIRenderer`` (:pr:`268`)
- **FIXED:** fixed inconsistent ordering of global ``securityDefinitions`` and ``security`` objects
- **DEPRECATED:** the ``get_summary`` and ``get_description`` extension points have been deprecated in favor of the
new ``get_summary_and_description``, and will be removed in a future release

**IMPORTANT PACKAGING NOTE**

Starting with this version, the ``setup_requires`` argument was dropped from ``setup.py`` in favor of
``build-system.requires`` in ``pyproject.toml`` . This means that for correctly building or installing from sdist,
you will need to use a PEP517/PEP518 compliant tool (tox>=3.3.0, setuptools>=40, pip>=10.0, pep517.build) or manually
install the build requirements yourself (just ``setuptools`` and ``setuptools-scm``, for now).

Additionally, for correct package version detection, a full git checkout is required when building (this was always the
case). Building without ``.git`` or without ``setuptools-scm`` will result in a distribution with a version like
``drf-yasg-1!0.0.0.dev0+noscm.00000167d19bd859``.

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*Release date: Nov 29, 2018*

- **IMPROVED:** updated ``swagger-ui`` to version 3.20.1
- **IMPROVED:** updated ``ReDoc`` to version 2.0.0-alpha.41
- **FIXED:** ``minLength`` and ``maxLength`` will now also work for ``ListSerializer`` in addition to ``ListField``
- **FIXED:** ``MultipleChoiceField`` will now use the ``multi`` ``collectionFormat`` where appropriate (:issue:`257`)
- **FIXED:** the ``format``, ``pattern``, ``enum``, ``min_length`` and ``max_length`` attributes of
``coreschema.Schema`` will now be persisted into the converted ``openapi.Parameter`` (:issue:`212`, :pr:`233`)

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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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