97 lines
3.8 KiB
Python
97 lines
3.8 KiB
Python
from django.forms import widgets
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from django.utils.translation import ugettext_lazy as _
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from rest_framework import serializers
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from ..core.validators import validate_password
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class SetPasswordSerializer(serializers.Serializer):
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password = serializers.CharField(max_length=128, label=_('Password'),
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style={'widget': widgets.PasswordInput}, validators=[validate_password])
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#class HyperlinkedModelSerializerOptions(serializers.HyperlinkedModelSerializerOptions):
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# def __init__(self, meta):
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# super(HyperlinkedModelSerializerOptions, self).__init__(meta)
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# self.postonly_fields = getattr(meta, 'postonly_fields', ())
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class HyperlinkedModelSerializer(serializers.HyperlinkedModelSerializer):
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""" support for postonly_fields, fields whose value can only be set on post """
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# _options_class = HyperlinkedModelSerializerOptions
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def validate(self, attrs):
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""" calls model.clean() """
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attrs = super(HyperlinkedModelSerializer, self).validate(attrs)
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instance = self.Meta.model(**attrs)
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instance.clean()
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return attrs
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# TODO raise validationError instead of silently removing fields
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def update(self, instance, validated_data):
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""" removes postonly_fields from attrs when not posting """
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model_attrs = dict(**validated_data)
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if instance is not None:
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for attr, value in validated_data.items():
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if attr in self.Meta.postonly_fields:
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model_attrs.pop(attr)
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return super(HyperlinkedModelSerializer, self).update(instance, model_attrs)
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class SetPasswordHyperlinkedSerializer(HyperlinkedModelSerializer):
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password = serializers.CharField(max_length=128, label=_('Password'),
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validators=[validate_password], write_only=True, required=False,
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style={'widget': widgets.PasswordInput})
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def validate_password(self, attrs, source):
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""" POST only password """
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if self.instance:
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if 'password' in attrs:
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raise serializers.ValidationError(_("Can not set password"))
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elif 'password' not in attrs:
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raise serializers.ValidationError(_("Password required"))
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return attrs
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def validate(self, attrs):
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""" remove password in case is not a real model field """
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try:
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self.Meta.model._meta.get_field_by_name('password')
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except models.FieldDoesNotExist:
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pass
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else:
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password = attrs.pop('password', None)
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attrs = super(SetPasswordSerializer, self).validate()
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if password is not None:
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attrs['password'] = password
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return attrs
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def create(self, validated_data):
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password = validated_data.pop('password')
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instance = self.Meta.model(**validated_data)
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instance.set_password(password)
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instance.save()
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return instance
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#class MultiSelectField(serializers.ChoiceField):
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# widget = widgets.CheckboxSelectMultiple
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#
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# def field_from_native(self, data, files, field_name, into):
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# """ convert multiselect data into comma separated string """
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# if field_name in data:
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# data = data.copy()
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# try:
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# # data is a querydict when using forms
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# data[field_name] = ','.join(data.getlist(field_name))
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# except AttributeError:
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# data[field_name] = ','.join(data[field_name])
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# return super(MultiSelectField, self).field_from_native(data, files, field_name, into)
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#
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# def valid_value(self, value):
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# """ checks for each item if is a valid value """
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# for val in value.split(','):
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# valid = super(MultiSelectField, self).valid_value(val)
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# if not valid:
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# return False
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# return True
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