def _handle_object(self, node):
"""
Convert an <object> node to a DeserializedObject.
"""
# Look up the model using the model loading mechanism. If this fails,
# bail.
Model = self._get_model_from_node(node, "model")
# Start building a data dictionary from the object. If the node is
# missing the pk attribute, fail.
pk = node.getAttribute("pk")
if not pk:
raise base.DeserializationError("<object> node is missing the 'pk' attribute")
data = {Model._meta.pk.attname: Model._meta.pk.to_python(pk)}
# Also start building a dict of m2m data (this is saved as
# {m2m_accessor_attribute : [list_of_related_objects]})
m2m_data = {}
# Deseralize each field.
for field_node in node.getElementsByTagName("field"):
# If the field is missing the name attribute, bail (are you
# sensing a pattern here?)
field_name = field_node.getAttribute("name")
if not field_name:
raise base.DeserializationError("<field> node is missing the 'name' attribute")
# Get the field from the Model. This will raise a
# FieldDoesNotExist if, well, the field doesn't exist, which will
# be propagated correctly.
try:
field = Model._meta.get_field(field_name)
except FieldDoesNotExist, e:
try:
language = get_field_language(field_name)
except:
raise e
else:
lang_codes = [l[0] for l in settings.LANGUAGES]
if language not in lang_codes:
# fails silently because the LANGUAGES in these settings
# are not same as fixtures data
continue
else:
raise e
# As is usually the case, relation fields get the special treatment.
if field.rel and isinstance(field.rel, models.ManyToManyRel):
m2m_data[field.name] = self._handle_m2m_field_node(field_node, field)
elif field.rel and isinstance(field.rel, models.ManyToOneRel):
data[field.attname] = self._handle_fk_field_node(field_node, field)
else:
if field_node.getElementsByTagName('None'):
value = None
else:
value = field.to_python(xml_serializer.getInnerText(field_node).strip())
data[field.name] = value
def add_south_trans_fields(frozen_models, trans_data):
for model, field_data in trans_data.items():
for field_name, field_desc in field_data.items():
for real_field in get_real_fieldname_in_each_language(field_name):
field_lang = get_field_language(real_field)
real_field_desc = deepcopy(field_desc)
if field_lang != fallback_language():
real_field_desc[2].update({'null': 'True', 'blank': 'True'})
frozen_models[model][real_field] = real_field_desc
def add_south_trans_fields(frozen_models, trans_data):
for model, field_data in trans_data.items():
for field_name, field_desc in field_data.items():
for real_field in get_real_fieldname_in_each_language(field_name):
field_lang = get_field_language(real_field)
real_field_desc = deepcopy(field_desc)
if field_lang != fallback_language():
real_field_desc[2].update({
'null': 'True',
'blank': 'True'
})
frozen_models[model][real_field] = real_field_desc
def _handle_object(self, node):
"""
Convert an <object> node to a DeserializedObject.
"""
# Look up the model using the model loading mechanism. If this fails,
# bail.
Model = self._get_model_from_node(node, "model")
# Start building a data dictionary from the object. If the node is
# missing the pk attribute, fail.
pk = node.getAttribute("pk")
if not pk:
raise base.DeserializationError(
"<object> node is missing the 'pk' attribute")
data = {Model._meta.pk.attname: Model._meta.pk.to_python(pk)}
# Also start building a dict of m2m data (this is saved as
# {m2m_accessor_attribute : [list_of_related_objects]})
m2m_data = {}
# Deseralize each field.
for field_node in node.getElementsByTagName("field"):
# If the field is missing the name attribute, bail (are you
# sensing a pattern here?)
field_name = field_node.getAttribute("name")
if not field_name:
raise base.DeserializationError(
"<field> node is missing the 'name' attribute")
# Get the field from the Model. This will raise a
# FieldDoesNotExist if, well, the field doesn't exist, which will
# be propagated correctly.
try:
field = Model._meta.get_field(field_name)
except FieldDoesNotExist, e:
try:
language = get_field_language(field_name)
except:
raise e
else:
lang_codes = [l[0] for l in settings.LANGUAGES]
if language not in lang_codes:
# fails silently because the LANGUAGES in these settings
# are not same as fixtures data
continue
else:
raise e
# As is usually the case, relation fields get the special treatment.
if field.rel and isinstance(field.rel, models.ManyToManyRel):
m2m_data[field.name] = self._handle_m2m_field_node(
field_node, field)
elif field.rel and isinstance(field.rel, models.ManyToOneRel):
data[field.attname] = self._handle_fk_field_node(
field_node, field)
else:
if field_node.getElementsByTagName('None'):
value = None
else:
value = field.to_python(
xml_serializer.getInnerText(field_node).strip())
data[field.name] = value
