django-orchestra-test/orchestra/api/serializers.py

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from django.forms import widgets
from django.utils.translation import ugettext, ugettext_lazy as _
from rest_framework import serializers
from ..core.validators import validate_password
class SetPasswordSerializer(serializers.Serializer):
password = serializers.CharField(max_length=128, label=_('Password'),
widget=widgets.PasswordInput, validators=[validate_password])
class HyperlinkedModelSerializerOptions(serializers.HyperlinkedModelSerializerOptions):
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def __init__(self, meta):
super(HyperlinkedModelSerializerOptions, self).__init__(meta)
self.postonly_fields = getattr(meta, 'postonly_fields', ())
class HyperlinkedModelSerializer(serializers.HyperlinkedModelSerializer):
""" support for postonly_fields, fields whose value can only be set on post """
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_options_class = HyperlinkedModelSerializerOptions
def restore_object(self, attrs, instance=None):
""" removes postonly_fields from attrs when not posting """
model_attrs = dict(**attrs)
if instance is not None:
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for attr, value in attrs.items():
if attr in self.opts.postonly_fields:
model_attrs.pop(attr)
return super(HyperlinkedModelSerializer, self).restore_object(model_attrs, instance)
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class MultiSelectField(serializers.ChoiceField):
widget = widgets.CheckboxSelectMultiple
def field_from_native(self, data, files, field_name, into):
""" convert multiselect data into comma separated string """
if field_name in data:
data = data.copy()
try:
# data is a querydict when using forms
data[field_name] = ','.join(data.getlist(field_name))
except AttributeError:
data[field_name] = ','.join(data[field_name])
return super(MultiSelectField, self).field_from_native(data, files, field_name, into)
def valid_value(self, value):
""" checks for each item if is a valid value """
for val in value.split(','):
valid = super(MultiSelectField, self).valid_value(val)
if not valid:
return False
return True