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Add abstract class check.

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This commit is contained in:
Raphael Mitsch 2023-03-09 14:56:44 +01:00
parent 845864beb4
commit b0ee34185d
1 changed files with 8 additions and 3 deletions
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11
spacy/kb/candidate.pyx
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@ -4,7 +4,7 @@ from ..typedefs cimport hash_t
from .kb cimport KnowledgeBase from .kb cimport KnowledgeBase
from .kb_in_memory cimport InMemoryLookupKB from .kb_in_memory cimport InMemoryLookupKB
from ..errors import Errors
cdef class Candidate: cdef class Candidate:
"""A `Candidate` object refers to a textual mention that may or may not be resolved """A `Candidate` object refers to a textual mention that may or may not be resolved
@ -22,7 +22,7 @@ cdef class Candidate:
entity_vector: vector[float], entity_vector: vector[float],
prior_prob: float, prior_prob: float,
): ):
"""Initializes properties of `Candidate` instance. """Initializes properties of abstract base class `Candidate`.
mention (str): Mention text for this candidate. mention (str): Mention text for this candidate.
entity_id (Union[str, int]): Unique entity ID. entity_id (Union[str, int]): Unique entity ID.
entity_vector (List[float]): Entity embedding. entity_vector (List[float]): Entity embedding.
@ -31,13 +31,18 @@ cdef class Candidate:
cases in which this isn't always possible (e.g.: the corpus to analyse contains mentions that the KB corpus cases in which this isn't always possible (e.g.: the corpus to analyse contains mentions that the KB corpus
doesn't) it might be better to eschew this information and always supply the same value. doesn't) it might be better to eschew this information and always supply the same value.
""" """
# Make sure abstract KB is not instantiated.
if self.__class__ == Candidate:
raise TypeError(
Errors.E1046.format(cls_name=self.__class__.__name__)
)
self._mention = mention self._mention = mention
self._entity_id_ = entity_id self._entity_id_ = entity_id
# Note that hashing an int value yields the same int value. # Note that hashing an int value yields the same int value.
self._entity_id = hash(entity_id) self._entity_id = hash(entity_id)
self._entity_vector = entity_vector self._entity_vector = entity_vector
self._prior_prob = prior_prob self._prior_prob = prior_prob
# todo raise exception if this is instantiated class
@property @property
def entity_id(self) -> int: def entity_id(self) -> int: