* merge master into v3
* fix order_by snake casing by checking if value is None, switch executor to execution_context_class since schema.execute no longer supports executor
* fix linting by removing duplicate defintion and test of convert_form_field_to_string_list
* Remove Python 2 support
* Upgrade Python & Django versions
* Remove unsupported Django versions
* Remove unsupported Python versions
* Add Python 3.8
* Drop support for django-filter < 2
* Update LoginRequiredMixin doc link
* Remove redundant import
* Resolve RemovedInDjango40Warning warnings
* gql/graphene-django/graphene_django/tests/test_converter.py:175:
RemovedInDjango40Warning: django.utils.translation.ugettext_lazy() is
deprecated in favor of django.utils.translation.gettext_lazy().
* graphene-django/graphene_django/utils/utils.py:28:
RemovedInDjango40Warning: force_text() is deprecated in favor of
force_str().
* No need to use unicode strings with Python3
* Remove singledispatch dependency
singledispatch is inluded with Python >= 3.4, no need for external
package.
* Add new setting to create unique enum names
* Add specific tests for name generation
* Add schema test
* Rename settings field
* Rename setting
* Add custom function setting
* Add documentation
* Use format instead of f strings
* Update graphene_django/converter.py
Co-Authored-By: Syrus Akbary <me@syrusakbary.com>
* Fix tests
* Update docs
* Import function through import_string function
Co-authored-by: Syrus Akbary <me@syrusakbary.com>
* convert DRF ChoiceField to Enum, also impacts FilePathField
* Pep8 fixes
* DRF multiple choices field converts to list of enum
* apply black formatting
* Add convert_choices_to_enum meta option
* Add tests
* Run black
* Update documentation
* Add link to Django choices documentation
* Add test and documentation note
That setting to an empty list is the same as setting the value as False
* Fix Django warning in tests
* rst is not markdown
* Update travis and tox
* Use xenial distribution
* Don't install coveralls twice
* Add black and flake8 tox commands
* Remove Python 3.5 test for Django master
* Fix indent
* Ignore migrations
* Remove black for now
* Run black formatting (#668)
* Run black format
* Update makefile
* Add black to travis build
* Allow for use of either filter_fields or filterset_class
* Add tests to check that the behavior is similar to filter_fields
* Add documentation to show how to make use of the parameter
Since they were only required for Django <1.8 and cause the following
deprecation warnings:
```
utils.py:61: RemovedInDjango20Warning: Usage of field.rel has been deprecated. Use field.remote_field instead.
if hasattr(field, 'rel'):
utils.py:63: RemovedInDjango20Warning: Usage of ForeignObjectRel.to attribute has been deprecated. Use the model attribute instead.
return field.rel.to
```
Fixes#242.
