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[1.7.x] Better migration docs for get_query_set -> get_queryset
This way they won't need to fix things again when get_query_set disappears
Backport of 91e2780dfb
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@ -1116,8 +1116,10 @@ you should rename the method and conditionally add an alias with the old name::
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If you are writing a library that needs to call the ``get_queryset`` method and
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must support old Django versions, you should write::
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method = getattr(some_manager, 'get_queryset', some_manager.get_query_set)
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method(params)
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get_queryset = (some_manager.get_queryset
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if hasattr(some_manager, 'get_queryset')
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else some_manager.get_query_set)
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return get_queryset() # etc
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``shortcut`` view and URLconf
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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