46 lines
1.7 KiB
Python
46 lines
1.7 KiB
Python
from core.builtin_concepts import BuiltinConcepts
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from evaluators.AddConceptEvaluator import AddConceptEvaluator
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from evaluators.BaseEvaluator import AllReturnValuesEvaluator
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from parsers.BaseParser import BaseParser
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from sdp.sheerkaDataProvider import SheerkaDataProviderDuplicateKeyError
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class DuplicateConceptEvaluator(AllReturnValuesEvaluator):
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"""
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Use to recognize when we tried to add the same concept twice
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"""
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NAME = "DuplicateConcept"
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def __init__(self):
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super().__init__(self.NAME, [BuiltinConcepts.AFTER_EVALUATION], 10)
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self.already_defined = None
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def matches(self, context, return_values):
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sheerka = context.sheerka
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parsing = False
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add_concept_in_error = False
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only_parsers = True
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for ret in return_values:
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if sheerka.isinstance(ret.value, BuiltinConcepts.AFTER_EVALUATION):
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if ret.status:
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parsing = True
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elif ret.who == sheerka.get_evaluator_name(AddConceptEvaluator.NAME):
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if not ret.status and isinstance(ret.value.body, SheerkaDataProviderDuplicateKeyError):
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add_concept_in_error = True
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self.already_defined = ret.value.body.obj
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else:
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if not ret.who.startswith(BaseParser.PREFIX):
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only_parsers = False
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return parsing and add_concept_in_error and only_parsers
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def eval(self, context, return_values):
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sheerka = context.sheerka
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return sheerka.ret(
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self.name,
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False,
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sheerka.new(BuiltinConcepts.CONCEPT_ALREADY_DEFINED, body=self.already_defined),
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parents=return_values)
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