OpenAPI schema for FileField/ImageField is always string/binary

[denisorehovsky]

Checklist

• Raised initially as discussion DRF doesn't change the media type of request body to multipart/form-data automatically #6863
• This cannot be dealt with as a third party library. (We prefer new functionality to be in the form of third party libraries where possible.)
• I have reduced the issue to the simplest possible case.

Request and response schemas have the same format for FileField and ImageField:

"some_field": {
    "type": "string",
    "format": "binary"
}

However, it's not correct. If you look at implementation of FileField, you will see that to_representation always returns string:

Response format should be url or no format at all if UPLOADED_FILES_USE_URL is false.

This was initially mentioned in #6863

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[auvipy]

closing not planned anymore

[syabro]

@auvipy why? It's a problem for me right now...

[auvipy]

the schema mechanism is planned for deprecation. but if you send bug fix then that will be accepted along with minor enhancements