def update_object(instance: Model, new_data: Dict[str, Any], **kwargs):
new_data = dict(new_data)
new_data.update(kwargs)
for field in instance._meta.fields:
if field.name in new_data:
setattr(instance, field.name, new_data[field.name])
instance.save()
def handle(self, *args, **options):
dry_run = options['dry_run']
#verbosity = options['verbosity']
stale_cts = {}
for ct in ContentType.objects.all():
if ct.model_class() is None:
stale_cts[ct.pk] = ct
items = (ContentItem.objects
.non_polymorphic() # very important, or polymorphic skips them on fetching derived data
.filter(polymorphic_ctype__in=list(stale_cts.keys()))
.order_by('polymorphic_ctype', 'pk')
)
if not items:
self.stdout.write("No stale items found.")
return
if dry_run:
self.stdout.write("The following content items are stale:")
else:
self.stdout.write("The following content items were stale:")
for item in items:
ct = stale_cts[item.polymorphic_ctype_id]
self.stdout.write("- #{id} points to removed {app_label}.{model}".format(id=item.pk, app_label=ct.app_label, model=ct.model))
if not dry_run:
try:
item.delete()
except PluginNotFound:
Model.delete(item)
def post(self, request, *args, **kwargs):
context = self.get_context_data(**kwargs)
if not request.user.has_perm('agenda.can_manage_agenda'):
messages.error(request,
_('You are not authorized to manage the agenda.'))
return self.render_to_response(context)
transaction.commit()
for item in Item.objects.all():
form = ItemOrderForm(request.POST, prefix="i%d" % item.id)
if form.is_valid():
try:
parent = Item.objects.get(id=form.cleaned_data['parent'])
except Item.DoesNotExist:
parent = None
item.weight = form.cleaned_data['weight']
item.parent = parent
Model.save(item)
else:
transaction.rollback()
messages.error(request,
_('Errors when reordering of the agenda'))
return self.render_to_response(context)
Item.objects.rebuild()
# TODO: assure, that it is a valid tree
transaction.commit()
return self.render_to_response(context)
def save_group_on_m2m_changed(
sender: Union[PersonGroupThrough, Group.owners.through],
instance: models.Model,
action: str,
reverse: bool,
model: models.Model,
pk_set: Optional[set],
**kwargs,
) -> None:
"""Ensure user and group data is synced to Django's models.
AlekSIS maintains personal information and group meta-data / membership
in its Person and Group models. As third-party libraries have no knowledge
about this, we need to keep django.contrib.auth in sync.
This signal handler triggers a save of group objects whenever a membership
changes. The save() code will decide whether to update the Django objects
or not.
"""
if action not in ("post_add", "post_remove", "post_clear"):
# Only trigger once, after the change was applied to the database
return
if reverse:
# Relationship was changed on the Person side, saving all groups
# that have been touched there
for group in model.objects.filter(pk__in=pk_set):
group.save(force=True)
else:
# Relationship was changed on the Group side
instance.save(force=True)
def _test_same_user(self, cls: type, obj: Model, ref: Model, key: str,
is_list: bool):
"""
Tests that adding a reference to another user's object should fail
:param cls: Serializer class
:param obj: Object to be serialized
:param ref: Reference to add, with the same user as obj
:param key: Attribute field name for the reference
:param is_list: Whether to treat it as a single reference or single-item list of references
"""
obj.save()
ref.save()
request = HttpRequest()
request.user = self.user
if is_list:
data = {key: [ref.pk]}
else:
data = {key: ref.pk}
serializer = cls(obj,
data=data,
partial=True,
context={'request': request})
self.assertTrue(serializer.is_valid())
obj = serializer.save()
if is_list:
self.assertEqual(getattr(obj, key).get(pk=ref.pk), ref)
else:
self.assertEqual(getattr(obj, key), ref)
def _test_cross_user(self, cls: type, obj: Model, ref: Model, key: str,
is_list: bool):
"""
Tests that adding a reference to another user's object should fail
:param cls: Serializer class
:param obj: Object to be serialized
:param ref: Reference to add, with a different user than obj
:param key: Attribute field name for the reference
:param is_list: Whether to treat it as a single reference or single-item list of references
"""
obj.save()
ref.save()
request = HttpRequest()
request.user = self.user
if is_list:
data = {key: [ref.pk]}
else:
data = {key: ref.pk}
serializer = cls(obj,
data=data,
partial=True,
context={'request': request})
self.assertFalse(serializer.is_valid())
self.assertEqual(serializer.errors.keys(), {key})
self.assertEqual(len(serializer.errors[key]), 1)
self.assertIn("forbidden", serializer.errors[key][0])
def save(self, *args, **kwargs):
if not self.pk and self.is_active(self.instance):
raise RequestLimitExceeded(
"The number of open requests for "
"instance %s has been exceeded."
% self.instance.provider_alias)
Model.save(self, *args, **kwargs)
def update(self, instance: models.Model, validated_data: Any) -> Any:
# Update current_organization and current_team
current_organization = validated_data.pop("set_current_organization", None)
current_team = validated_data.pop("set_current_team", None)
if current_organization:
if current_team and not current_organization.teams.filter(pk=current_team.pk).exists():
raise serializers.ValidationError(
{"set_current_team": ["Team must belong to the same organization in set_current_organization."]}
)
validated_data["current_organization"] = current_organization
validated_data["current_team"] = current_team if current_team else current_organization.teams.first()
elif current_team:
validated_data["current_team"] = current_team
validated_data["current_organization"] = current_team.organization
# Update password
current_password = validated_data.pop("current_password", None)
password = self.validate_password_change(
cast(User, instance), current_password, validated_data.pop("password", None)
)
updated_attrs = list(validated_data.keys())
instance = cast(User, super().update(instance, validated_data))
if password:
instance.set_password(password)
instance.save()
update_session_auth_hash(self.context["request"], instance)
updated_attrs.append("password")
report_user_updated(instance, updated_attrs)
return instance
def save(self, *args, **kwargs):
if not self.pk and self.is_active(self.instance):
raise RequestLimitExceeded(
"The number of open requests for "
"instance %s has been exceeded." % self.instance.provider_alias
)
Model.save(self, *args, **kwargs)
def delete_object(self, obj: Model):
"""Deletes model object
Args:
obj (Model): model object
"""
obj.delete()
def post(self, request, *args, **kwargs):
if not request.user.has_perm('agenda.can_manage_agenda'):
messages.error(
request,
_('You are not authorized to manage the agenda.'))
context = self.get_context_data(**kwargs)
return self.render_to_response(context)
transaction.commit()
for item in Item.objects.all():
form = ItemOrderForm(request.POST, prefix="i%d" % item.id)
if form.is_valid():
try:
parent = Item.objects.get(id=form.cleaned_data['parent'])
except Item.DoesNotExist:
parent = None
item.weight = form.cleaned_data['weight']
item.parent = parent
Model.save(item)
else:
transaction.rollback()
messages.error(
request, _('Errors when reordering of the agenda'))
break
else:
Item.objects.rebuild()
# TODO: assure, that it is a valid tree
context = self.get_context_data(**kwargs)
transaction.commit()
if get_active_slide()['callback'] == 'agenda':
update_projector()
context = self.get_context_data(**kwargs)
transaction.commit()
return self.render_to_response(context)
def merge(self, alias_object: Model):
primary_object = self.primary_object
if not isinstance(alias_object, primary_object.__class__):
raise TypeError('Only models of the same class can be merged')
#logger.debug(f'Merging {self.model_meta.model_name}[pk={alias_object.pk}]')
model_meta = ModelMeta(primary_object)
for related_field in model_meta.related_fields:
if related_field.one_to_many:
self._handle_o2m_related_field(related_field, alias_object)
elif related_field.one_to_one:
self._handle_o2o_related_field(related_field, alias_object)
elif related_field.many_to_many:
self._handle_m2m_related_field(related_field, alias_object)
for field in model_meta.editable_fields:
primary_value = getattr(primary_object, field.name)
alias_value = getattr(alias_object, field.name)
#logger.debug(f'Primary {field.name} has value: {primary_value}, '
# f'Alias {field.name} has value: {alias_value}')
if primary_value in field.empty_values and alias_value not in field.empty_values:
#logger.debug(f'Setting primary {field.name} to alias value: {alias_value}')
setattr(primary_object, field.name, alias_value)
if not self.keep_old:
#logger.debug(f'Deleting alias object {self.model_meta.model_name}[pk={alias_object.pk}]')
alias_object.delete()
primary_object.save()
def update_or_create_chat_from_raw(
*,
model: models.Model,
field_name: str,
raw_chat: types.Chat
):
field = getattr(model, field_name, None)
if field and not isinstance(field, Chat):
return
if field:
if raw_chat:
field.update_fields_from_raw(raw_chat=raw_chat)
else:
setattr(model, field_name, None)
model.save()
else:
setattr(
model,
field_name,
Chat.chats.update_or_create_from_raw(
raw_chat=raw_chat
)
)
model.save()
def __new__(cls, name, bases, attrs):
module = attrs.pop("__module__")
parents = [b for b in bases if isinstance(b, ModelMetaClass)]
if parents:
for obj_name, obj in attrs.items():
Model.add_to_class(obj_name, obj)
return super(ModelMetaClass, cls).__new__(cls, name, bases, attrs)
def update_or_create_admin_log_analyzer(
model: models.Model,
field_name: str,
chat_id: int,
enabled: bool,
create: bool = True,
delete: bool = False,
**kwargs,
):
if chat_id is None:
return
field = getattr(model, field_name, None)
if field and not isinstance(field, AdminLogAnalyzerMetaData):
return
if field:
if delete:
field.delete()
model.save()
else:
field.update_fields(**{'enabled': enabled, **kwargs})
else:
if create and not delete:
setattr(
model, field_name,
AdminLogAnalyzerMetaData.objects.update_or_create_analyzer(
chat_id=chat_id, enabled=enabled))
model.save()
def recache_lat_long(apps, schema_editor):
from issues.models import Issue as CurrentIssue
Issue = apps.get_model('issues', 'Issue')
for issue in Issue.objects.filter(location__isnull=False):
issue._cache_location = CurrentIssue._cache_location
issue._cache_location()
Model.save(self=issue, update_fields=('lat', 'long'))
def recache_lat_long(apps, schema_editor):
from issues.models import Issue as CurrentIssue
Issue = apps.get_model('issues', 'Issue')
for issue in Issue.objects.filter(location__isnull=False):
issue._cache_location = CurrentIssue._cache_location
issue._cache_location()
Model.save(self=issue, update_fields=('lat', 'long'))
def validate_and_update_object(obj: models.Model, **kwargs) \
-> Tuple[models.Model, List[str]]:
"""
:raises ValueError
:return obj, is_updated
"""
assert isinstance(obj, models.Model)
model = type(obj)
m2m_kwargs, kwargs = _get_m2m_kwargs(model, **kwargs)
updated_keys = {}
for key, value in kwargs.items():
old_value = getattr(obj, key)
if old_value == value:
continue
setattr(obj, key, value)
updated_keys[key] = old_value
if updated_keys:
try:
obj.full_clean()
obj.save()
if m2m_kwargs:
_update_m2m_fields(obj, **m2m_kwargs)
except (ValidationError, IntegrityError) as exc:
for key, old_value in updated_keys.items():
setattr(obj, key, old_value)
LOGGER.warning('Update %s error: %r (kwargs=%r)', model.__name__,
exc, kwargs)
raise ValueError(str(exc)) from exc
return obj, list(updated_keys.keys())
def update_all_items(self,
data: DefaultDict,
owner: base,
instance: Model = None):
nested_data = dict()
for item in self.nested_entities():
try:
coll = data.pop(item['name'])
nested_data[item['name']] = coll
except KeyError:
pass
if instance is None:
instance = owner(**data)
else:
# instance.__dict__.update(**data)
for attr, value in data.items():
setattr(instance, attr, value)
instance.save()
for item in self.nested_entities():
items = nested_data[item['name']]
entity_model = item['model']
serializer = item['serializer'] if 'serializer' in item else None
m2m = getattr(instance,
item['name']) if item['m2m'] is True else None
self.update_items(items, entity_model, serializer, instance, m2m)
instance.save()
return instance
def update_or_create_message_views_analyzer(
model: models.Model,
field_name: str,
chat_id: int,
enabled: bool,
create: bool = True,
**kwargs,
):
if chat_id is None:
return
field = getattr(model, field_name, None)
if field and not isinstance(field, ChatMessageViewsAnalyzerMetaData):
return
if field:
if len(kwargs) or enabled is not None:
field.update_fields(**{'enabled': enabled, **kwargs})
else:
field.delete()
model.save()
else:
if create and enabled is not None:
setattr(
model, field_name,
ChatMessageViewsAnalyzerMetaData.
objects.update_or_create_analyzer(chat_id=chat_id,
enabled=enabled))
model.save()
def update(cls, instance: Model, data: dict) -> Model:
for key, value in data.items():
setattr(instance, key, value)
instance.save()
return instance
def remove_stale_items(self, stale_cts):
"""
See if there are items that point to a removed model.
"""
stale_ct_ids = list(stale_cts.keys())
items = (ContentItem.objects
.non_polymorphic() # very important, or polymorphic skips them on fetching derived data
.filter(polymorphic_ctype__in=stale_ct_ids)
.order_by('polymorphic_ctype', 'pk')
)
if not items:
self.stdout.write("No stale items found.")
return
if self.dry_run:
self.stdout.write("The following content items are stale:")
else:
self.stdout.write("The following content items were stale:")
for item in items:
ct = stale_cts[item.polymorphic_ctype_id]
self.stdout.write("- #{id} points to removed {app_label}.{model}".format(
id=item.pk, app_label=ct.app_label, model=ct.model
))
if not self.dry_run:
try:
item.delete()
except PluginNotFound:
Model.delete(item)
def update_or_create_message_from_raw(
*,
model: models.Model,
field_name: str,
raw_message: types.Message,
chat_id: int,
logger_account: "tg_models.TelegramAccount" = None):
from .message import Message
field = getattr(model, field_name, None)
if field and not isinstance(field, Message):
return
if field:
if raw_message:
field.update_fields_from_raw(raw_message=raw_message,
chat_id=chat_id,
logger_account=logger_account)
else:
setattr(model, field_name, None)
model.save()
else:
if raw_message:
setattr(
model, field_name,
Message.objects.update_or_create_from_raw(
raw_user=raw_message,
chat_id=chat_id,
logger_account=logger_account))
model.save()
def rename_files_of_created_instances(cls, instance: models.Model, created,
raw,
update_fields: Optional[Collection],
**kwargs):
"""
This signal receiver renames the files belonging to ``FileField``s (or subclasses) of model instances when they're created,
if the filename matches the token regex used by ``get_pk_prefixed_filename_func()``.
"""
if raw or not created:
return
for field in instance._meta.fields:
# `update_fields` having a value of `None` means that all the fields should be updated
if (update_fields is not None and field.name not in update_fields
or not isinstance(field, models.FileField)):
continue
field_value: FieldFile = getattr(instance, field.name)
old_name = field_value.name
if not cls.REPLACEABLE_TOKEN_REGEX.search(old_name):
continue
first_part, _token, last_part = cls.REPLACEABLE_TOKEN_REGEX.split(
old_name)
new_name = f"{first_part}{instance.pk}{last_part}"
# Rename the actual file
old_file_path = Path(field_value.path)
new_file_path = old_file_path.with_name(Path(new_name).name)
old_file_path.rename(new_file_path)
# Save the new filename for the field
field_value.name = new_name
instance.save(update_fields=[field.name])
def remove_stale_items(self, stale_cts):
"""
See if there are items that point to a removed model.
"""
stale_ct_ids = list(stale_cts.keys())
items = (
ContentItem.objects.non_polymorphic(
) # very important, or polymorphic skips them on fetching derived data
.filter(polymorphic_ctype__in=stale_ct_ids).order_by(
'polymorphic_ctype', 'pk'))
if not items:
self.stdout.write("No stale items found.")
return
if self.dry_run:
self.stdout.write("The following content items are stale:")
else:
self.stdout.write("The following content items were stale:")
for item in items:
ct = stale_cts[item.polymorphic_ctype_id]
self.stdout.write(
"- #{id} points to removed {app_label}.{model}".format(
id=item.pk, app_label=ct.app_label, model=ct.model))
if not self.dry_run:
try:
item.delete()
except PluginNotFound:
Model.delete(item)
def save(self, *args, **kwargs):
if self.name is None:
try:
self.name = getservbyport(self.port)
except OSError:
self.name = 'port-%d' % self.port
Model.save(self, *args, **kwargs)
def clone_object(obj: models.Model, **kwargs: Any) -> models.Model:
""" Clones a django model instance."""
obj = deepcopy(obj)
obj.pk = None
for k, v in kwargs.items():
setattr(obj, k, v)
obj.save(force_insert=True)
return obj
def enlarged_create(Model, filter_kwargs, commit=True):
filter_kwargs, m2m_kwargs = separate_m2m_kwargs(Model, filter_kwargs)
obj = Model(**filter_kwargs)
if commit:
obj.save()
for k, v in m2m_kwargs.items():
getattr(obj, k).add(*v)
return obj
def enlarged_create(Model, filter_kwargs, commit=True):
filter_kwargs, m2m_kwargs = separate_m2m_kwargs(Model, filter_kwargs)
obj = Model(**filter_kwargs)
if commit:
obj.save()
for k, v in m2m_kwargs.items():
getattr(obj, k).add(*v)
return obj
def delete(self, model: models.Model) -> None:
"""Immediately deletes the specified model instance.
Args:
model (models.Model): the model instance to delete
"""
self._isinstance(model)
model.delete()
def clone(self, obj: Model, overrides: Dict = None) -> Model:
logger.info(f"Cloning: #{obj.id}: {obj}")
m2ms = self._get_m2m(obj)
obj.pk = None
self._set_overrides(obj, overrides)
obj.save()
self._set_m2m(obj, m2ms)
return obj
def save_model(self, request: HttpRequest, obj: Model, form: Form,
change: bool) -> None:
if not change:
tenant_field = get_tenant_field(obj)
if tenant_field:
setattr(obj, tenant_field.attname,
request.session['active_tenant'])
obj.save()
def foreign_key(
cls,
field_name: str,
to: models.Model,
to_field: str = "pk",
to_field_type: JSONFieldMixin = IntegerField,
related_name: Optional[str] = None,
) -> None:
"""Add a virtual ForeignKey.
This works by storing the primary key (or any field passed in the to_field argument)
and adding a property that queries the desired model.
If the foreign model also is an ExtensibleModel, a reverse mapping is also added under
the related_name passed as argument, or this model's default related name.
"""
id_field_name = f"{field_name}_id"
if related_name is None:
related_name = cls.Meta.default_related_name
# Add field to hold key to foreign model
id_field = to_field_type(blank=True, null=True)
cls.field(**{id_field_name: id_field})
@property
def _virtual_fk(self) -> Optional[models.Model]:
id_field_val = getattr(self, id_field_name)
if id_field_val:
try:
return to.objects.get(**{to_field: id_field_val})
except to.DoesNotExist:
# We found a stale foreign key
setattr(self, id_field_name, None)
self.save()
return None
else:
return None
@_virtual_fk.setter
def _virtual_fk(self, value: Optional[models.Model] = None) -> None:
if value is None:
id_field_val = None
else:
id_field_val = getattr(value, to_field)
setattr(self, id_field_name, id_field_val)
# Add property to wrap get/set on foreign model instance
cls._safe_add(_virtual_fk, field_name)
# Add related property on foreign model instance if it provides such an interface
if hasattr(to, "_safe_add"):
def _virtual_related(self) -> models.QuerySet:
id_field_val = getattr(self, to_field)
return cls.objects.filter(**{id_field_name: id_field_val})
to.property_(_virtual_related, related_name)
def log_whodid(obj: models.Model, user) -> None:
"""
Stores the given user as creator or editor of the given object
"""
if hasattr(obj, 'created_by') and obj.created_by is None:
obj.created_by = user
if hasattr(obj, 'lastmodified_by'):
obj.lastmodified_by = user
def update_model(model: Model, **update_data):
'根据内容改变与否判断需要更新的模型字段'
update_fields = []
for field in update_data:
if update_data[field] != getattr(model, field):
setattr(model, field, update_data[field])
update_fields.append(field)
if update_fields:
model.save(update_fields=update_fields)
def save(self, *args, **kwargs): self.ascii_tag = unidecode(self.tag) words = self.ascii_tag.split() known_words_list = known_words(words) for word in words: new_word = Word(word) if not new_word in known_words_list: new_word.save() Model.save(self, *args, **kwargs)
def updateModel(model: Model, instance: Model, fields: Mapping):
print(fields)
updated_fields = {}
for key, value in fields.items():
updated_fields.update({key: value[0] or value[1]})
print(updated_fields)
for key, value in updated_fields.items():
setattr(instance, key, value)
instance.save()
return instance
def update_instance(instance: Model,
args: Dict,
exception: List = ["id"]) -> Model:
if instance:
[
setattr(instance, key, value) for key, value in args.items()
if key not in exception
]
instance.save()
return instance
def versao_1_2_2(cmd, *args):
"""
Atualizações pra versão 1.2.2.
Deve ser chamada após exportar o banco de dados pra um arquivo de
dump JSON e remover o arquivo do banco de dados.
Ações:
- Cria um novo banco de dados e o superusuário padrão
- Faz as conversões necessárias sobre o dump nos modelos que mudaram
- Importa o dump convertido pro banco de dados
- Carrega fixture de feriados bancários
Argumentos da linha de comando:
- dump_file: arquivo de dump do banco de dados na versão
1.2.1
"""
if len(args) != 1:
raise CommandError("Uso: atualizar 1.2.2 <dump_file>\n\ndump: arquivo de dump do banco de dados anterior (JSON)")
sync_and_evolve()
criar_superusuario()
print("Convertendo entradas no modelo antigo pro novo modelo...")
novo_bd_json = converter(args[0])
tmp_dump_filename = "fixture_convertida.json"
print("Armazenando dados convertidos em {tmp_dump_filename}".format(**vars()))
with open(tmp_dump_filename, "w") as tmp_dump_file:
tmp_dump_file.write(novo_bd_json)
print("Carregando dados convertidos no banco de dados...")
call_command("loaddata", tmp_dump_filename)
print("Removendo arquivo temporário...")
os.remove(tmp_dump_filename)
print("Carregando fixture de feriados bancários...")
call_command("loaddata", "feriados_bancarios")
print("Reunindo arquivos estáticos...")
call_command("collectstatic", interactive=False)
print("Re-salvando os pagamentos com cartões pra preencher data de depósito")
for pagamento in PagamentoComCartao.objects.all():
pagamento.data_do_deposito = pagamento._data_do_deposito()
Model.save(pagamento)
def __init__(self, instance: Model = None, deleted: bool = False, collection_string: str = None,
id: int = None, full_data: Dict[str, Any] = None, information: Dict[str, Any] = None) -> None:
"""
Do not use this. Use the methods from_instance() or from_values().
"""
self.instance = instance
self.deleted = deleted
self.full_data = full_data
self.information = information or {}
if instance is not None:
# Collection element is created via instance
self.collection_string = instance.get_collection_string()
self.id = instance.pk
elif collection_string is not None and id is not None:
# Collection element is created via values
self.collection_string = collection_string
self.id = id
else:
raise RuntimeError(
'Invalid state. Use CollectionElement.from_instance() or '
'CollectionElement.from_values() but not CollectionElement() '
'directly.')
if self.is_deleted():
# Delete the element from the cache, if self.is_deleted() is True:
full_data_cache.del_element(self.collection_string, self.id)
else:
# The call to get_full_data() has some sideeffects. When the object
# was created with from_instance() or the object is not in the cache
# then get_full_data() will save the object into the cache.
# This will also raise a DoesNotExist error, if the object does
# neither exist in the cache nor in the database.
self.get_full_data()
def rename_all_files():
"""
Rename the data files according to the scheme:
yyyy/mm/dd/id.h5
"""
for curve in CurveDB.objects.all():
full_name_old = curve.get_full_filename()
new_name = osp.join(
curve.params["date"].strftime('%Y/%m/%d'),
str(curve.id) + '.h5')
curve.data_file = new_name
if not osp.exists(full_name_old):
print 'file ' + full_name_old + " doesn't exist"
else:
shutil.move(full_name_old, curve.get_full_filename())
Model.save(curve)
def modelcopy(obj: models.Model):
n = obj.__class__()
for f in obj._meta.fields:
val = getattr(obj, f.name)
if isinstance(val, models.Model):
setattr(n, f.name, copy.copy(val))
else:
setattr(n, f.name, copy.deepcopy(val))
return n
def save(self, *args, **kwargs):
"""Overwrites Model.save().
We have to be very careful to never overwrite a request, so
often the request must be read from the database prior to saving.
The safe parameter being set to True enables this behavior.
"""
if kwargs.pop('safe', False):
self.request = type(self).objects.get(id=self.id).request
return Model.save(self, *args, **kwargs)
def remove_stale_pages(self, stale_cts):
"""
See if there are items that point to a removed model.
"""
stale_ct_ids = list(stale_cts.keys())
pages = (UrlNode.objects
.non_polymorphic() # very important, or polymorphic skips them on fetching derived data
.filter(polymorphic_ctype__in=stale_ct_ids)
.order_by('polymorphic_ctype', 'pk')
)
if not pages:
self.stdout.write("No stale pages found.")
return
if self.dry_run:
self.stdout.write("The following pages are stale:")
else:
self.stdout.write("The following pages were stale:")
removed_pages = 0
for page in pages:
ct = stale_cts[page.polymorphic_ctype_id]
self.stdout.write("- #{id} points to removed {app_label}.{model}".format(
id=page.pk, app_label=ct.app_label, model=ct.model
))
if not self.dry_run:
try:
page.delete()
removed_pages += 1
except PageTypeNotFound:
Model.delete(page)
if removed_pages:
self.stdout.write("Note, when the removed pages contain content items, "
"also call `manage.py remove_stale_contentitems --remove-unreferenced")
def delete(self, no_mptt=False, *args, **kwargs):
if no_mptt:
Model.delete(self, *args, **kwargs)
else:
super(CMSPlugin, self).delete(*args, **kwargs)
def filter_descendants(self, category: models.Model) -> models.QuerySet:
return self.filter(category__in=category.get_descendants(True))
def __init__(self, *args, **kwargs):
Model.__init__(self, *args, **kwargs)
self.flag = Event()
self.heart = Thread(target=self.heart_run)
self.heart.daemon = True
self.heart.flag = Event()
def __init__(self, *args, **kwargs):
Model.__init__(self, *args, **kwargs)
assert self.parent.job == self.child.job
def handle_noargs(self, **options):
from django.db.models import Model
for model in Model.__subclasses__():
print model.__name__, model.objects.count()
print >> sys.stderr, "error: %s %d" % \
(model.__name__, model.objects.count())
def _django_save(self, *args, **kwargs):
return Model.save(self, *args, **kwargs)
More info:
* "Why doesn't django's model.save() call full clean?"
http://stackoverflow.com/questions/4441539/
* "Model docs imply that ModelForm will call Model.full_clean(),
but it won't."
https://code.djangoproject.com/ticket/13100
"""
try:
self.full_clean()
self.save(*args, **kwargs)
return True
except ValidationError:
e = sys.exc_info()[1]
self._errors = {}
for k, v in e.message_dict.items():
self._errors[k] = v
if throw_exception:
raise
return False
Model.add_to_class('_errors', {})
Model.add_to_class(SMART_SAVE_METHOD, save_if_valid)
