Class FileDescriptor

django.db.models.fields.files.FileDescriptor

The descriptor for the file attribute on the model instance. Return a FieldFile when accessed so you can write code like::

Declaration

class FileDescriptor(DeferredAttribute)

Documentation

>>> from myapp.models import MyModel
    >>> instance = MyModel.objects.get(pk=1)
    >>> instance.file.size

Assign a file object on assignment so you can do::

    >>> with open('/path/to/hello.world') as f:
    ...     instance.file = File(f)

Methods

▶ def __get__(self, instance, cls=None) override
inherited doc Retrieve and caches the value from the datastore on the first lookup. Return the cached value.
source link
This method overrides django.db.models.query_utils.DeferredAttribute.__get__.
▶ def __set__(self, instance, value)
source link
Overrides
This method is overriden in:
- django.db.models.fields.files.ImageFileDescriptor

Inherited methods

Methods inherited from django.db.models.query_utils.DeferredAttribute:
__init__

Subclasses

django.db.models.fields.files.ImageFileDescriptor