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|
import json
from collections.abc import Callable
from typing import (
Any,
Generic,
Optional,
Type,
TypeVar,
Union,
final,
overload,
)
from mashumaro.codecs._builder import CodecCodeBuilder
from mashumaro.core.meta.helpers import get_args
from mashumaro.dialect import Dialect
T = TypeVar("T")
EncodedData = Union[str, bytes, bytearray]
class JSONDecoder(Generic[T]):
@overload
def __init__(
self,
shape_type: Type[T],
*,
default_dialect: Optional[Type[Dialect]] = None,
pre_decoder_func: Callable[[EncodedData], Any] = json.loads,
): ...
@overload
def __init__(
self,
shape_type: Any,
*,
default_dialect: Optional[Type[Dialect]] = None,
pre_decoder_func: Callable[[EncodedData], Any] = json.loads,
): ...
def __init__(
self,
shape_type: Union[Type[T], Any],
*,
default_dialect: Optional[Type[Dialect]] = None,
pre_decoder_func: Callable[[EncodedData], Any] = json.loads,
):
code_builder = CodecCodeBuilder.new(
type_args=get_args(shape_type), default_dialect=default_dialect
)
code_builder.add_decode_method(shape_type, self, pre_decoder_func)
@final
def decode(self, data: EncodedData) -> T: ...
class JSONEncoder(Generic[T]):
@overload
def __init__(
self,
shape_type: Type[T],
*,
default_dialect: Optional[Type[Dialect]] = None,
post_encoder_func: Callable[[Any], str] = json.dumps,
): ...
@overload
def __init__(
self,
shape_type: Any,
*,
default_dialect: Optional[Type[Dialect]] = None,
post_encoder_func: Callable[[Any], str] = json.dumps,
): ...
def __init__(
self,
shape_type: Union[Type[T], Any],
*,
default_dialect: Optional[Type[Dialect]] = None,
post_encoder_func: Callable[[Any], str] = json.dumps,
):
code_builder = CodecCodeBuilder.new(
type_args=get_args(shape_type), default_dialect=default_dialect
)
code_builder.add_encode_method(shape_type, self, post_encoder_func)
@final
def encode(self, obj: T) -> str: ...
def json_decode(
data: EncodedData,
shape_type: Union[Type[T], Any],
pre_decoder_func: Callable[[EncodedData], Any] = json.loads,
) -> T:
return JSONDecoder(shape_type, pre_decoder_func=pre_decoder_func).decode(
data
)
def json_encode(
obj: T,
shape_type: Union[Type[T], Any],
post_encoder_func: Callable[[Any], str] = json.dumps,
) -> str:
return JSONEncoder(shape_type, post_encoder_func=post_encoder_func).encode(
obj
)
decode = json_decode
encode = json_encode
__all__ = [
"JSONDecoder",
"JSONEncoder",
"json_decode",
"json_encode",
"decode",
"encode",
]
|
