spaCy/spacy/kb.pyx
2019-03-22 11:36:44 +01:00

43 lines
1.3 KiB
Cython

# cython: profile=True
# coding: utf8
from preshed.maps import PreshMap
cdef class KnowledgeBase:
def __init__(self):
self._entry_index = PreshMap()
self._alias_index = PreshMap()
self.mem = Pool()
def __len__(self):
return self._entries.size()
def add_entity(self, unicode entity_id, float prob, vectors=None, features=None):
cdef hash_t id_hash = hash_string(entity_id)
# TODO: more friendly check for non-unique name
if id_hash in self._entry_index:
return
cdef int32_t dummy_value = 342
self.c_add_entity(entity_key=id_hash, prob=prob, vector_rows=&dummy_value, feats_row=dummy_value)
# TODO self._vectors_table.get_pointer(vectors),
# self._features_table.get(features))
def add_alias(self, unicode alias, entities, probabilities):
"""For a given alias, add its potential entities and prior probabilies to the KB."""
cdef hash_t alias_hash = hash_string(alias)
# TODO: check that alias hadn't been defined before
# TODO: check that entity is already in this KB (entity_index is OK)
# TODO: check sum(probabilities) <= 1
# TODO: check len(entities) == len(probabilities)
self.c_add_aliases(alias_key=alias_hash, entities=entities, probabilities=probabilities)