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Blocker

Bases: ABC

Abstract Blocker class.

Source code in klinker/blockers/base.py 
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class Blocker(abc.ABC):
    """Abstract Blocker class."""

    @abc.abstractmethod
    def assign(
        self,
        left: KlinkerFrame,
        right: KlinkerFrame,
        left_rel: Optional[KlinkerFrame] = None,
        right_rel: Optional[KlinkerFrame] = None,
    ) -> KlinkerBlockManager:
        """Assign entity ids to blocks.

        Args:
        ----
          left: KlinkerFrame: Contains entity attribute information of left dataset.
          right: KlinkerFrame: Contains entity attribute information of right dataset.
          left_rel: Optional[KlinkerFrame]:  (Default value = None) Contains relational information of left dataset.
          right_rel: Optional[KlinkerFrame]:  (Default value = None) Contains relational information of left dataset.

        Returns:
        -------
            KlinkerBlockManager: instance holding the resulting blocks.
        """

assign(left, right, left_rel=None, right_rel=None) abstractmethod

Assign entity ids to blocks.

left: KlinkerFrame: Contains entity attribute information of left dataset. right: KlinkerFrame: Contains entity attribute information of right dataset. left_rel: Optional[KlinkerFrame]: (Default value = None) Contains relational information of left dataset. right_rel: Optional[KlinkerFrame]: (Default value = None) Contains relational information of left dataset.

KlinkerBlockManager: instance holding the resulting blocks.
Source code in klinker/blockers/base.py 
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@abc.abstractmethod
def assign(
    self,
    left: KlinkerFrame,
    right: KlinkerFrame,
    left_rel: Optional[KlinkerFrame] = None,
    right_rel: Optional[KlinkerFrame] = None,
) -> KlinkerBlockManager:
    """Assign entity ids to blocks.

    Args:
    ----
      left: KlinkerFrame: Contains entity attribute information of left dataset.
      right: KlinkerFrame: Contains entity attribute information of right dataset.
      left_rel: Optional[KlinkerFrame]:  (Default value = None) Contains relational information of left dataset.
      right_rel: Optional[KlinkerFrame]:  (Default value = None) Contains relational information of left dataset.

    Returns:
    -------
        KlinkerBlockManager: instance holding the resulting blocks.
    """

SchemaAgnosticBlocker

Bases: Blocker

Base class for schema-agnostic Blockers.

Source code in klinker/blockers/base.py 
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class SchemaAgnosticBlocker(Blocker):
    """Base class for schema-agnostic Blockers."""

    @abc.abstractmethod
    def _assign(
        self,
        left: SeriesType,
        right: SeriesType,
        left_rel: Optional[KlinkerFrame] = None,
        right_rel: Optional[KlinkerFrame] = None,
    ) -> KlinkerBlockManager:
        """Assign entity ids to blocks.

        Args:
        ----
          left: SeriesType: concatenated entity attribute values of left dataset as series.
          right: SeriesType: concatenated entity attribute values of left dataset as series.
          left_rel: Optional[KlinkerFrame]:  (Default value = None) Contains relational information of left dataset.
          right_rel: Optional[KlinkerFrame]:  (Default value = None) Contains relational information of left dataset.

        Returns:
        -------
            KlinkerBlockManager: instance holding the resulting blocks.
        """

    def assign(
        self,
        left: KlinkerFrame,
        right: KlinkerFrame,
        left_rel: Optional[KlinkerFrame] = None,
        right_rel: Optional[KlinkerFrame] = None,
    ) -> KlinkerBlockManager:
        """Assign entity ids to blocks.

        Will concat all entity attribute information before proceeding.

        Args:
        ----
          left: KlinkerFrame: Contains entity attribute information of left dataset.
          right: KlinkerFrame: Contains entity attribute information of right dataset.
          left_rel: Optional[KlinkerFrame]:  (Default value = None) Contains relational information of left dataset.
          right_rel: Optional[KlinkerFrame]:  (Default value = None) Contains relational information of left dataset.

        Returns:
        -------
            KlinkerBlockManager: instance holding the resulting blocks.
        """
        left_reduced, right_reduced = left.concat_values(), right.concat_values()
        return self._assign(
            left=left_reduced,
            right=right_reduced,
            left_rel=left_rel,
            right_rel=right_rel,
        )

assign(left, right, left_rel=None, right_rel=None)

Assign entity ids to blocks.

Will concat all entity attribute information before proceeding.

left: KlinkerFrame: Contains entity attribute information of left dataset. right: KlinkerFrame: Contains entity attribute information of right dataset. left_rel: Optional[KlinkerFrame]: (Default value = None) Contains relational information of left dataset. right_rel: Optional[KlinkerFrame]: (Default value = None) Contains relational information of left dataset.

KlinkerBlockManager: instance holding the resulting blocks.
Source code in klinker/blockers/base.py 
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def assign(
    self,
    left: KlinkerFrame,
    right: KlinkerFrame,
    left_rel: Optional[KlinkerFrame] = None,
    right_rel: Optional[KlinkerFrame] = None,
) -> KlinkerBlockManager:
    """Assign entity ids to blocks.

    Will concat all entity attribute information before proceeding.

    Args:
    ----
      left: KlinkerFrame: Contains entity attribute information of left dataset.
      right: KlinkerFrame: Contains entity attribute information of right dataset.
      left_rel: Optional[KlinkerFrame]:  (Default value = None) Contains relational information of left dataset.
      right_rel: Optional[KlinkerFrame]:  (Default value = None) Contains relational information of left dataset.

    Returns:
    -------
        KlinkerBlockManager: instance holding the resulting blocks.
    """
    left_reduced, right_reduced = left.concat_values(), right.concat_values()
    return self._assign(
        left=left_reduced,
        right=right_reduced,
        left_rel=left_rel,
        right_rel=right_rel,
    )