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SecurityDataFilterPythonWrapper

QuantConnect.Securities.SecurityDataFilterPythonWrapper

SecurityDataFilterPythonWrapper(data_filter: Any)

Bases: BasePythonWrapper[ISecurityDataFilter], ISecurityDataFilter

Python Wrapper for custom security data filters from Python

Creates a new instance

Parameters:

Name Type Description Default
data_filter Any

The Python class to wrapp

required

instance

instance: Any

Gets the underlying python instance

This codeEntityType is protected.

PythonRuntimeChecker

Bases: Object

Set of helper methods to invoke Python methods with runtime checks for return values and out parameter's conversions.

filter

filter(vehicle: Security, data: BaseData) -> bool

Performs Filter method from Python instance returning true to accept, or false to fail/reject the data point.

Parameters:

Name Type Description Default
data BaseData

BasData data object we're filtering

required
vehicle Security

Security vehicle for filter

required

equals

equals(obj: Any) -> bool
equals(
    other: BasePythonWrapper[
        QuantConnect_Python_BasePythonWrapper_TInterface
    ],
) -> bool

Signature descriptions:

  • Determines whether the specified object is an instance of BasePythonWrapper{TInterface} and wraps the same Python object reference as this instance, which would indicate that they are equal.

  • Determines whether the specified instance wraps the same Python object reference as this instance, which would indicate that they are equal.

Parameters:

Name Type Description Default
obj Optional[Any]

The other object to compare this with

None
other Optional[BasePythonWrapper[QuantConnect_Python_BasePythonWrapper_TInterface]]

The other object to compare this with

None

Returns:

Type Description
bool

True if both instances are equal, that is if both wrap the same Python object reference.

set_python_instance

set_python_instance(instance: Any) -> None
set_python_instance(
    instance: Any, validate_interface: bool
) -> None

Signature descriptions:

  • Sets the python instance

  • Sets the python instance and sets the validate interface flag

Parameters:

Name Type Description Default
instance Any

The underlying python instance

required
validate_interface Optional[bool]

Whether to perform validations for interface implementation

None

dispose

dispose() -> None

Dispose of this instance

get_event

get_event(name: str) -> Any

Gets the Python instance event with the specified name

Parameters:

Name Type Description Default
name str

The name of the event

required

get_hash_code

get_hash_code() -> int

Gets the hash code for the current instance

Returns:

Type Description
int

The hash code of the current instance.

get_method

get_method(
    method_name: str, python_only: bool = False
) -> Any

Gets the Python instances method with the specified name and caches it

Parameters:

Name Type Description Default
method_name str

The name of the method

required
python_only bool

Whether to only return python methods

False

Returns:

Type Description
Any

The matched method.

get_property

get_property(property_name: str) -> Any

Gets the Python instance property with the specified name

Parameters:

Name Type Description Default
property_name str

The name of the property

required

has_attr

has_attr(name: str) -> bool

Determines whether the Python instance has the specified attribute

Parameters:

Name Type Description Default
name str

The attribute name

required

Returns:

Type Description
bool

Whether the Python instance has the specified attribute.

invoke_method

invoke_method(
    method_name: str, *args: Union[Object, Iterable[Object]]
) -> Any

Invokes the specified method with the specified arguments

Parameters:

Name Type Description Default
method_name str

The name of the method

required
args Union[Object, Iterable[Object]]

The arguments to call the method with

()

invoke_void_method

invoke_void_method(
    method_name: str, *args: Union[Object, Iterable[Object]]
) -> None

Invokes the specified method with the specified arguments without returning a value

Parameters:

Name Type Description Default
method_name str

The name of the method

required
args Union[Object, Iterable[Object]]

The arguments to call the method with

()

set_property

set_property(property_name: str, value: Any) -> None

Sets the Python instance property with the specified name

Parameters:

Name Type Description Default
property_name str

The name of the property

required
value Any

The property value

required