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Lemmatization Strategy

This file defines the LemmatizationStrategy protocl class, which all lemmatization strategies should extend to be usable by the Simplemma library.

Classes

LemmatizationStrategy

Bases: Protocol

This protocol defines the interface for lemmatization strategies. Subclasses implementing this protocol must provide an implementation for the get_lemma method.

Note

This protocol should be implemented by concrete lemmatization strategy classes. Concrete implementations of this protocol should provide a concrete implementation for the get_lemma method.

Source code in simplemma/strategies/lemmatization_strategy.py 
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class LemmatizationStrategy(Protocol):
    """
    This protocol defines the interface for lemmatization strategies. Subclasses implementing this protocol
    must provide an implementation for the `get_lemma` method.

    Note:
        This protocol should be implemented by concrete lemmatization strategy classes.
        Concrete implementations of this protocol should provide a concrete implementation for the `get_lemma` method.
    """

    @abstractmethod
    def get_lemma(self, token: str, lang: str) -> Optional[str]:
        """
        This method receives a token and a language code and should return the lemma for the token in the specified language.
        If the lemma is not found, it should return `None`.

        Args:
            token (str): The input token to lemmatize.
            lang (str): The language code for the token's language.

        Returns:
            Optional[str]: The lemma for the token, or `None` if not found.

        Raises:
            NotImplementedError: If the method is not implemented by the subclass.

        """
        raise NotImplementedError()

Functions

get_lemma(token, lang) abstractmethod

This method receives a token and a language code and should return the lemma for the token in the specified language. If the lemma is not found, it should return None.

Parameters:

Name Type Description Default
token str

The input token to lemmatize.

 required
lang str

The language code for the token's language.

 required

Returns:

Type Description
Optional[str]

Optional[str]: The lemma for the token, or None if not found.

Raises:

Type Description
NotImplementedError

If the method is not implemented by the subclass.
Source code in simplemma/strategies/lemmatization_strategy.py 
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@abstractmethod
def get_lemma(self, token: str, lang: str) -> Optional[str]:
    """
    This method receives a token and a language code and should return the lemma for the token in the specified language.
    If the lemma is not found, it should return `None`.

    Args:
        token (str): The input token to lemmatize.
        lang (str): The language code for the token's language.

    Returns:
        Optional[str]: The lemma for the token, or `None` if not found.

    Raises:
        NotImplementedError: If the method is not implemented by the subclass.

    """
    raise NotImplementedError()