timetracker/common/utils.py

34 lines
982 B
Python

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