Django REST framework QueryFields

Allows clients to control which fields will be sent in the API response. Fields are specified in the query, e.g.

# You want a list of users but you're only interested in the fields "id" and "username":

GET /users/?fields=id,username

[
  {
    "id": 1,
    "username": "tom"
  },
  {
    "id": 2,
    "username": "wim"
  }
]


# You want to see every field except "id" for the specific user wim:

GET /users/2/?fields!=id

{
  "username": "wim",
  "email": "hey@wimglenn.com",
  "spirit_animal": "raccoon"
}

Supported Django versions: 1.7 - 2.1+. Check the CI matrix for details.

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