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feat: fix bug that "!=" in policies is replaced with "not=" #375

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Merged
hsluoyz merged 1 commit into from
Mar 13, 2025
Merged

feat: fix bug that "!=" in policies is replaced with "not=" #375

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3 changes: 2 additions & 1 deletion casbin/core_enforcer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@

import copy
import logging
import re

from casbin.effect import Effector, get_effector, effect_to_bool
from casbin.model import Model, FunctionMap
Expand Down Expand Up @@ -539,6 +540,6 @@ def configure_logging(logging_config=None):
def _get_expression(expr, functions=None):
expr = expr.replace("&&", "and")
expr = expr.replace("||", "or")
expr = expr.replace("!", "not")
expr = re.sub(r"!(?!=)", "not ", expr)

return SimpleEval(expr, functions)