class NullBooleanField(**kwargs) [source] Default widget:

recursive If False (the default) only the direct contents of path will be offered as choices. If True

allow_unicode New in Django 1.9. A boolean

to_field_name Same as ModelChoiceField.to_field_name.

max_digits The maximum number of digits (those before the decimal point plus those after the decimal point, with leading zeros

Field.has_changed() [source] The has_changed() method is used to determine if

queryset Same as ModelChoiceField.queryset. Takes one optional argument:

class FileField(**kwargs) [source] Default widget:

protocol Limits valid inputs to the specified protocol. Accepted values are both (default), IPv4 or

input_time_formats A list of formats used to attempt to convert a string to a valid datetime.time object.