Function download

tests/admin_views/admin.py:455–462

(modeladmin, request, selected)

    location=(ActionLocation.CHANGE_LIST, ActionLocation.CHANGE_FORM),
)
def download(modeladmin, request, selected):
    if selected.count() > 1:
        buf = StringIO("This is the content of the file")
    else:
        selected = selected.get()
        buf = StringIO(f"This is the content of the file written by {selected.name}")

    return StreamingHttpResponse(FileWrapper(buf))


@admin.action(description="No permission to run")