pipeline

pipeline

class hanlp.components.pipeline.Pipe(component: hanlp.common.component.Component, input_key: Optional[str] = None, output_key: Optional[str] = None, **kwargs)[source]
static from_config(meta: dict, **kwargs)[source]

Build an object from config.

Parameters

  • config – A dict holding parameters for its constructor. It has to contain a classpath key, which has a classpath str as its value. classpath will determine the type of object being deserialized.

  • kwargs – Arguments not used.

Returns: A deserialized object.

predict(doc: hanlp_common.document.Document, **kwargs) → hanlp_common.document.Document[source]

Predict on data. This is the base class for all components, including rule based and statistical ones.

Parameters

  • *args – Any type of data subject to sub-classes

  • **kwargs – Additional arguments

Returns: Any predicted annotations.

class hanlp.components.pipeline.Pipeline(*pipes: hanlp.components.pipeline.Pipe)[source]
append(component: Callable, input_key: Optional[Union[str, Iterable[str]]] = None, output_key: Optional[Union[str, Iterable[str]]] = None, **kwargs)[source]

Append a pipe to the tail of this pipeline.

Parameters

  • component – A callable function.

  • input_key – The input key indicating which fields will be inputted to the pipe. None: inherit from previous pipe; *: use all the outputs from previous pipes wrapped in a Document.

  • output_key – The output key indicating where to store the outputs

  • **kwargs – Extra arguments passed to the Pipe constructor.

Returns

A pipeline.

Return type

Pipeline

copy()[source]

Return a shallow copy of the list.

static from_config(meta: Union[dict, str], **kwargs)[source]

Build an object from config.

Parameters

  • config – A dict holding parameters for its constructor. It has to contain a classpath key, which has a classpath str as its value. classpath will determine the type of object being deserialized.

  • kwargs – Arguments not used.

Returns: A deserialized object.

insert(index: int, component: Callable, input_key: Optional[Union[str, Iterable[str]]] = None, output_key: Optional[Union[str, Iterable[str]]] = None, **kwargs)[source]
Parameters

  • index – The index of the new pipe.

  • input_key – The input key indicating which fields will be inputted to the pipe. None: inherit from previous pipe; *: use all the outputs from previous pipes wrapped in a Document.

  • output_key – The output key indicating where to store the outputs

  • **kwargs – Extra arguments passed to the Pipe constructor.

Returns

A pipeline.

Return type

Pipeline

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