10 lines
278 B
Python
10 lines
278 B
Python
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class CustomError(Exception):
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def __init__(self, msg):
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self.msg = msg
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def stringify_subst(subst):
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if isinstance(subst, str):
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return subst
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elements = [f"{key}: {str(value)}" for key, value in subst.items()]
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return "{" + ', '.join(elements) + "}"
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