Update file field from django model http://stackoverflow.com/questions/7514964/django-how-to-create-a-file-and-save-it-to-a-models-filefield?answertab=active#tab-top

models.py

class Entity(models.Model):
    somefile = model.FileField(upload_to='files')

views.py

e = Entity()
# Using File
f = open('/path/to/file')
e.somefile.save(new_name, File(f))
# Using ContentFile
e.license_file.save(new_name, ContentFile('A string with the file content'))