33 lines
1.2 KiB
Python
33 lines
1.2 KiB
Python
from core.concept import ReturnValueConcept, ErrorConcept
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from evaluators.BaseEvaluator import BaseEvaluator
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from parsers.PythonParser import PythonNode
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import ast
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from core.sheerka import ReturnValue, Sheerka
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import logging
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log = logging.getLogger(__name__)
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class PythonEvaluator(BaseEvaluator):
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def __init__(self):
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super().__init__("Python Evaluator", 50)
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def matches(self, context, items):
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return len(items) == 1 and isinstance(items[0].value, PythonNode)
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def eval(self, context, items):
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sheerka = context.sheerka
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node = items[0].value
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if isinstance(node.ast, ast.Expression):
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try:
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log.debug("Evaluating python expression")
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compiled = compile(node.ast, "<string>", "eval")
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evaluated = eval(compiled, {}, {"sheerka": context.sheerka})
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concept = sheerka.new(ReturnValueConcept.NAME, body=evaluated)
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return ReturnValue(self.name, True, concept)
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except Exception as error:
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error = sheerka.new(ErrorConcept.NAME, body=error)
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return ReturnValue(self.name, False, error)
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else:
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raise NotImplementedError()
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