TiingoNewsJsonConverter

QuantConnect.DataSource.TiingoNewsJsonConverter

TiingoNewsJsonConverter(
    symbol: Union[Symbol, str, BaseContract] = None,
)

Bases: JsonConverter

Helper json converter class used to convert a list of Tiingo news data into List{TiingoNews}

Creates a new instance of the json converter

Parameters:

Name	Type	Description	Default
symbol	Union[Symbol, str, BaseContract]	The Symbol instance associated with this news	None

can_convert

can_convert(object_type: Type) -> bool

Determines whether this instance can convert the specified object type.

Parameters:

Name	Type	Description	Default
object_type	Type	Type of the object.	required

Returns:

Type	Description
bool	true if this instance can convert the specified object type; otherwise, false.

deserialize_news

deserialize_news(token: Any) -> TiingoNews

Helper method to deserialize a single json Tiingo news

Parameters:

Name	Type	Description	Default
token	Any	The json token containing the Tiingo news to deserialize	required

Returns:

Type	Description
TiingoNews	The deserialized TiingoNews instance.

read_json

read_json(
    reader: Any,
    object_type: Type,
    existing_value: Any,
    serializer: Any,
) -> Object

Reads the JSON representation of the object.

Parameters:

Name	Type	Description	Default
reader	Any	The Newtonsoft.Json.JsonReader to read from.	required
object_type	Type	Type of the object.	required
existing_value	Any	The existing value of object being read.	required
serializer	Any	The calling serializer.	required

Returns:

Type	Description
Object	The object value.

write_json

write_json(
    writer: Any, value: Any, serializer: Any
) -> None

Writes the JSON representation of the object.

Parameters:

Name	Type	Description	Default
writer	Any	The Newtonsoft.Json.JsonWriter to write to.	required
value	Any	The value.	required
serializer	Any	The calling serializer.	required