diff options
Diffstat (limited to 'rest_framework/fields.py')
| -rw-r--r-- | rest_framework/fields.py | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/rest_framework/fields.py b/rest_framework/fields.py index f1de447c..258c0f6a 100644 --- a/rest_framework/fields.py +++ b/rest_framework/fields.py @@ -114,6 +114,10 @@ def strip_multiple_choice_msg(help_text): return help_text.replace(multiple_choice_msg, '') +class IgnoreFieldException(Exception): + pass + + class Field(object): read_only = True creation_counter = 0 @@ -246,6 +250,7 @@ class WritableField(Field): """ Base for read/write fields. """ + write_only = False default_validators = [] default_error_messages = { 'required': _('This field is required.'), @@ -255,7 +260,7 @@ class WritableField(Field): default = None def __init__(self, source=None, label=None, help_text=None, - read_only=False, required=None, + read_only=False, write_only=False, required=None, validators=[], error_messages=None, widget=None, default=None, blank=None): @@ -269,6 +274,10 @@ class WritableField(Field): super(WritableField, self).__init__(source=source, label=label, help_text=help_text) self.read_only = read_only + self.write_only = write_only + + assert not (read_only and write_only), "Cannot set read_only=True and write_only=True" + if required is None: self.required = not(read_only) else: @@ -318,6 +327,11 @@ class WritableField(Field): if errors: raise ValidationError(errors) + def field_to_native(self, obj, field_name): + if self.write_only: + raise IgnoreFieldException() + return super(WritableField, self).field_to_native(obj, field_name) + def field_from_native(self, data, files, field_name, into): """ Given a dictionary and a field name, updates the dictionary `into`, |