def to_native(self, value):
if not value:
return None
args = [serializers.get_component(value, arg) for arg in self.args]
kwargs = dict((arg, serializers.get_component(value, arg))
for arg in self.kwargs)
locale = getattr(value, 'locale', settings.LANGUAGE_CODE)
path = reverse(self.url_name, locale=locale, args=args, kwargs=kwargs)
return '%s%s' % (settings.SITE_URL, path)
def to_native(self, value):
if not value:
return None
args = [serializers.get_component(value, arg) for arg in self.args]
kwargs = dict((arg, serializers.get_component(value, arg))
for arg in self.kwargs)
locale = getattr(value, 'locale', settings.LANGUAGE_CODE)
path = reverse(self.url_name, locale=locale, args=args, kwargs=kwargs)
return '%s%s' % (settings.SITE_URL, path)
def field_to_native(self, obj, field_name):
"""
Override default so that the serializer can be used as a nested field
across relationships.
"""
from rest_framework.serializers import ObjectDoesNotExist, get_component, is_simple_callable
if self.source == '*':
return self.to_native(obj)
try:
source = self.source or field_name
value = obj
for component in source.split('.'):
value = get_component(value, component)
if value is None:
break
except ObjectDoesNotExist:
return None
if is_simple_callable(getattr(value, 'all', None)):
return self.many_to_native(value.all())
if value is None:
return None
if self.many is not None:
many = self.many
else:
many = hasattr(value, '__iter__') and not isinstance(value, (Page, dict, six.text_type))
if many:
return self.many_to_native(value)
return self.to_native(value)
def field_to_native(self, obj, field_name):
"""
Override default so that the serializer can be used as a nested field
across relationships.
"""
from rest_framework.serializers import ObjectDoesNotExist, get_component, is_simple_callable
if self.source == '*':
return self.to_native(obj)
try:
source = self.source or field_name
value = obj
for component in source.split('.'):
value = get_component(value, component)
if value is None:
break
except ObjectDoesNotExist:
return None
if is_simple_callable(getattr(value, 'all', None)):
return self.many_to_native(value.all())
if value is None:
return None
if self.many is not None:
many = self.many
else:
many = hasattr(value, '__iter__') and not isinstance(value, (Page, dict, six.text_type))
if many:
return self.many_to_native(value)
return self.to_native(value)
def initialize(self, parent, field_name):
"""
Called to set up a field prior to field_to_native or field_from_native.
parent - The parent serializer.
field_name - The name of the field being initialized.
Prepares a queryset for the model field by using the default manager.
Properly supports dot-separated field names (e.g. 'booking.owner')
"""
field_name = 'booking.owner'
# TODO: the code below should be provided upstream to fix the multi-component field names
super(RelatedField, self).initialize(parent, field_name)
if self.queryset is None and not self.read_only:
model = self.parent.opts.model
for component in field_name.split('.'):
field = get_component(model, component)
if hasattr(field, 'related'): # Forward
model = field.related.model
else: # Reverse
model = field.field.rel.to
self.queryset = model._default_manager.all()
def field_to_native(self, obj, field_name):
"""
Given and object and a field name, returns the value that should be
serialized for that field. Display the choice label.
"""
if obj is None:
return self.empty
if self.source == '*':
return self.to_native(obj)
source = self.source or field_name
value = obj
components = source.split('.')
for component in components:
if component == components[-1]: # last item, fetch human readable form
component = 'get_{0}_display'.format(component)
value = get_component(value, component)
if value is None:
break
return self.to_native(value.lower())