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add: nullable ListField support for ListField and inner field #22

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add: nullable ListField support for ListField and inner field #22

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5b1ae2e
add: nullable ListField support for ListField and inner field
chdsbd Apr 15, 2021
8d238ff
embedded list field
chdsbd Apr 15, 2021
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112 changes: 70 additions & 42 deletions typings/mongoengine/fields.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -711,64 +711,65 @@ class EmbeddedDocumentField(Generic[_ST, _GT], BaseField):

class DynamicField(BaseField): ...

class ListField(Generic[_T], ComplexBaseField):
_ST_INNER = TypeVar("_ST_INNER")
_GT_INNER = TypeVar("_GT_INNER")

class ListField(Generic[_ST, _GT], ComplexBaseField):
# see: https://github.com/python/mypy/issues/4236#issuecomment-521628880
@overload
def __new__(
cls,
field: StringField[Any, Any] = ...,
required: bool = ...,
default: Optional[Union[List[Any], Callable[[], List[Any]]]] = ...,
field: StringField[_ST_INNER, _GT_INNER] = ...,
required: Literal[False] = ...,
verbose_name: str = ...,
help_text: str = ...,
null: bool = ...,
) -> ListField[StringField[Any, Any]]: ...
) -> ListField[Optional[List[_ST_INNER]], Optional[List[_GT_INNER]]]: ...
@overload
def __new__(
cls,
field: DictField[Any],
required: bool = ...,
default: Optional[Union[List[Any], Callable[[], List[Any]]]] = ...,
field: StringField[_ST_INNER, _GT_INNER] = ...,
required: Literal[False] = ...,
default: Union[List[_ST_INNER], Callable[[], List[_ST_INNER]]] = ...,
verbose_name: str = ...,
help_text: str = ...,
null: bool = ...,
) -> ListField[DictField[Any]]: ...
) -> ListField[Optional[List[_ST_INNER]], List[_GT_INNER]]: ...
@overload
def __new__(
cls,
field: Any,
field: StringField[_ST_INNER, _GT_INNER] = ...,
required: Literal[True] = ...,
verbose_name: str = ...,
help_text: str = ...,
null: bool = ...,
) -> ListField[List[_ST_INNER], List[_GT_INNER]]: ...
@overload
def __new__(
cls,
field: StringField[_ST_INNER, _GT_INNER] = ...,
required: Literal[True] = ...,
default: Union[List[_ST_INNER], Callable[[], List[_ST_INNER]]] = ...,
verbose_name: str = ...,
help_text: str = ...,
null: bool = ...,
) -> ListField[Optional[List[_ST_INNER]], List[_GT_INNER]]: ...
@overload
def __new__(
cls,
field: DictField[Any],
required: bool = ...,
default: Optional[Union[List[Any], Callable[[], List[Any]]]] = ...,
verbose_name: str = ...,
help_text: str = ...,
null: bool = ...,
) -> ListField[Any]: ...
def __getitem__(self, arg: Any) -> _T: ...
def __iter__(self) -> Iterator[_T]: ...
@overload
) -> ListField[Optional[List[Dict[Any, Any]]], Optional[List[Dict[Any, Any]]]]: ...
def __set__(
self: ListField[StringField[Any, Any]],
self: ListField[_ST, _GT],
instance: Any,
value: Optional[List[str]],
) -> None: ...
@overload
def __set__(
self: ListField[DictField[Any]], instance: Any, value: List[Dict[str, Any]]
value: _ST,
) -> None: ...
@overload
def __set__(self: ListField[_T], instance: Any, value: List[_T]) -> None: ...
@overload
def __get__(
self: ListField[DynamicField], instance: Any, owner: Any
) -> List[Any]: ...
@overload
def __get__(
self: ListField[StringField[Any, Any]], instance: Any, owner: Any
) -> List[str]: ...
@overload
def __get__(
self: ListField[DictField[Any]], instance: Any, owner: Any
) -> List[Dict[str, Any]]: ...
def __get__(self: ListField[_ST, _GT], instance: Any, owner: Any) -> _GT: ...

class DictField(Generic[_T], ComplexBaseField):
# not sure we need the init method overloads
Expand Down Expand Up @@ -851,18 +852,45 @@ class DictField(Generic[_T], ComplexBaseField):
) -> Dict[str, List[str]]: ...
def __getitem__(self, arg: Any) -> _T: ...

class EmbeddedDocumentListField(Generic[_T], BaseField):
class EmbeddedDocumentListField(Generic[_ST, _GT], BaseField):
@overload
def __new__(
cls,
kind: Type[_T],
required: bool = ...,
default: Optional[Any] = ...,
required: Literal[False] = ...,
help_text: str = ...,
) -> EmbeddedDocumentListField[_T]: ...
def __getitem__(self, arg: Any) -> _T: ...
def __iter__(self) -> Iterator[_T]: ...
def __set__(self, instance: Any, value: List[_T]) -> None: ...
def __get__(self, instance: Any, owner: Any) -> List[_T]: ...
) -> EmbeddedDocumentListField[Optional[List[_T]], Optional[List[_T]]]: ...
@overload
def __new__(
cls,
kind: Type[_T],
required: Literal[False] = ...,
default: Union[List[_ST_INNER], Callable[[], List[_ST_INNER]]] = ...,
help_text: str = ...,
) -> EmbeddedDocumentListField[Optional[List[_T]], List[_T]]: ...
@overload
def __new__(
cls,
kind: Type[_T],
required: Literal[True] = ...,
help_text: str = ...,
) -> EmbeddedDocumentListField[List[_T], List[_T]]: ...
@overload
def __new__(
cls,
kind: Type[_T],
required: Literal[True] = ...,
default: Union[List[_ST_INNER], Callable[[], List[_ST_INNER]]] = ...,
help_text: str = ...,
) -> EmbeddedDocumentListField[Optional[List[_T]], List[_T]]: ...
def __set__(
self: EmbeddedDocumentListField[_ST, _GT],
instance: Any,
value: _ST,
) -> None: ...
def __get__(
self: EmbeddedDocumentListField[_ST, _GT], instance: Any, owner: Any
) -> _GT: ...

class LazyReference(Generic[_T], BaseField):
def __getitem__(self, arg: Any) -> LazyReference[_T]: ...
Expand Down