34 lines
982 B
Python
34 lines
982 B
Python
from typing import Any
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def safe_division(numerator: int | float, denominator: int | float) -> int | float:
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"""
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Divides without triggering division by zero exception.
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Returns 0 if denominator is 0.
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"""
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try:
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return numerator / denominator
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except ZeroDivisionError:
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return 0
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def safe_getattr(obj: object, attr_chain: str, default: Any | None = None) -> object:
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"""
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Safely get the nested attribute from an object.
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Parameters:
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obj (object): The object from which to retrieve the attribute.
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attr_chain (str): The chain of attributes, separated by dots.
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default: The default value to return if any attribute in the chain does not exist.
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Returns:
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The value of the nested attribute if it exists, otherwise the default value.
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"""
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attrs = attr_chain.split(".")
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for attr in attrs:
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try:
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obj = getattr(obj, attr)
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except AttributeError:
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return default
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return obj
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