diff --git a/docs/ref/models/fields.txt b/docs/ref/models/fields.txt index 66bd04791b..2fb5d494b1 100644 --- a/docs/ref/models/fields.txt +++ b/docs/ref/models/fields.txt @@ -607,9 +607,26 @@ instances on your model, the ``save()`` method is used to persist that file data. Takes two required arguments: ``name`` which is the name of the file, and -``content`` which is a file-like object containing the file's contents. The -optional ``save`` argument controls whether or not the instance is saved after -the file has been altered. Defaults to ``True``. +``content`` which is an object containing the file's contents. The +optional ``save`` argument controls whether or not the instance is +saved after the file has been altered. Defaults to ``True``. + +Note that the ``content`` argument should be an instance of +:class:`django.core.files.File`, not Python's built-in file object. +You can construct a :class:`~django.core.files.File` from an existing +Python file object like this:: + + from django.core.files import File + # Open an existing file using Python's built-in open() + f = open('/tmp/hello.world') + myfile = File(f) + +Or you can construct one from a Python string like this:: + + from django.core.files.base import ContentFile + myfile = ContentFile("hello world") + +For more information, see :doc:`/topics/files`. .. method:: FieldFile.delete(save=True)