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from collections.abc import Collection, Iterable, Sequence
from typing import IO, Any
from django.db.models.base import Model
from django.db.models.fields import Field
from django.db.models.fields.related import ForeignKey, ManyToManyField
DEFER_FIELD: object
class SerializerDoesNotExist(KeyError): ...
class SerializationError(Exception): ...
class DeserializationError(Exception):
@classmethod
def WithData(
cls, original_exc: Exception, model: str, fk: int | str, field_value: Sequence[str] | str | None
) -> DeserializationError: ...
class M2MDeserializationError(Exception):
original_exc: Exception
pk: Any
def __init__(self, original_exc: Exception, pk: Any) -> None: ...
class ProgressBar:
progress_width: int
output: IO[str] | None
total_count: int
prev_done: int
def __init__(self, output: IO[str] | None, total_count: int) -> None: ...
def update(self, count: int) -> None: ...
class Serializer:
internal_use_only: bool
progress_class: type[ProgressBar]
stream_class: type[IO[str]]
options: dict[str, Any]
stream: IO[str]
selected_fields: Collection[str] | None
use_natural_foreign_keys: bool
use_natural_primary_keys: bool
first: bool
def serialize(
self,
queryset: Iterable[Model],
*,
stream: IO[str] | None = None,
fields: Collection[str] | None = None,
use_natural_foreign_keys: bool = False,
use_natural_primary_keys: bool = False,
progress_output: IO[str] | None = None,
object_count: int = 0,
**options: Any,
) -> Any: ...
def start_serialization(self) -> None: ...
def end_serialization(self) -> None: ...
def start_object(self, obj: Any) -> None: ...
def end_object(self, obj: Any) -> None: ...
def handle_field(self, obj: Any, field: Any) -> None: ...
def handle_fk_field(self, obj: Any, field: Any) -> None: ...
def handle_m2m_field(self, obj: Any, field: Any) -> None: ...
def getvalue(self) -> bytes | str | None: ...
class Deserializer:
options: dict[str, Any]
stream: IO[str] | IO[bytes]
def __init__(self, stream_or_string: bytes | str | IO[bytes] | IO[str], **options: Any) -> None: ...
def __iter__(self) -> Deserializer: ...
def __next__(self) -> Any: ...
class DeserializedObject:
object: Model
m2m_data: dict[str, Sequence[Any]] | None
deferred_fields: dict[Field, Any]
def __init__(
self,
obj: Model,
m2m_data: dict[str, Sequence[Any]] | None = None,
deferred_fields: dict[Field, Any] | None = None,
) -> None: ...
def save(self, save_m2m: bool = True, using: str | None = None, **kwargs: Any) -> None: ...
def save_deferred_fields(self, using: str | None = None) -> None: ...
def build_instance(Model: type[Model], data: dict[str, Any], db: str) -> Model: ...
def deserialize_m2m_values(
field: ManyToManyField, field_value: Iterable[Any], using: str | None, handle_forward_references: bool
) -> Sequence[Any] | object: ...
def deserialize_fk_value(
field: ForeignKey, field_value: Any, using: str | None, handle_forward_references: bool
) -> Any | object: ...
|
