diff options
Diffstat (limited to 'rest_framework/fields.py')
| -rw-r--r-- | rest_framework/fields.py | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/rest_framework/fields.py b/rest_framework/fields.py index 6caae924..9d707c9b 100644 --- a/rest_framework/fields.py +++ b/rest_framework/fields.py @@ -18,12 +18,14 @@ from django.conf import settings from django.db.models.fields import BLANK_CHOICE_DASH from django.http import QueryDict from django.forms import widgets +from django.utils import six, timezone from django.utils.encoding import is_protected_type from django.utils.translation import ugettext_lazy as _ from django.utils.datastructures import SortedDict +from django.utils.dateparse import parse_date, parse_datetime, parse_time from rest_framework import ISO_8601 from rest_framework.compat import ( - timezone, parse_date, parse_datetime, parse_time, BytesIO, six, smart_text, + BytesIO, smart_text, force_text, is_non_str_iterable ) from rest_framework.settings import api_settings @@ -61,8 +63,10 @@ def get_component(obj, attr_name): def readable_datetime_formats(formats): - format = ', '.join(formats).replace(ISO_8601, - 'YYYY-MM-DDThh:mm[:ss[.uuuuuu]][+HH:MM|-HH:MM|Z]') + format = ', '.join(formats).replace( + ISO_8601, + 'YYYY-MM-DDThh:mm[:ss[.uuuuuu]][+HH:MM|-HH:MM|Z]' + ) return humanize_strptime(format) @@ -265,13 +269,6 @@ class WritableField(Field): validators=[], error_messages=None, widget=None, default=None, blank=None): - # 'blank' is to be deprecated in favor of 'required' - if blank is not None: - warnings.warn('The `blank` keyword argument is deprecated. ' - 'Use the `required` keyword argument instead.', - DeprecationWarning, stacklevel=2) - required = not(blank) - super(WritableField, self).__init__(source=source, label=label, help_text=help_text) self.read_only = read_only @@ -430,7 +427,7 @@ class ModelField(WritableField): } -##### Typed Fields ##### +# Typed Fields class BooleanField(WritableField): type_name = 'BooleanField' @@ -465,8 +462,9 @@ class CharField(WritableField): type_label = 'string' form_field_class = forms.CharField - def __init__(self, max_length=None, min_length=None, *args, **kwargs): + def __init__(self, max_length=None, min_length=None, allow_none=False, *args, **kwargs): self.max_length, self.min_length = max_length, min_length + self.allow_none = allow_none super(CharField, self).__init__(*args, **kwargs) if min_length is not None: self.validators.append(validators.MinLengthValidator(min_length)) @@ -477,7 +475,7 @@ class CharField(WritableField): if isinstance(value, six.string_types): return value - if value is None: + if value is None and not self.allow_none: return '' return smart_text(value) @@ -488,7 +486,7 @@ class URLField(CharField): type_label = 'url' def __init__(self, **kwargs): - if not 'validators' in kwargs: + if 'validators' not in kwargs: kwargs['validators'] = [validators.URLValidator()] super(URLField, self).__init__(**kwargs) |