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# Copyright (c) 2019 Ultimaker B.V.
# Uranium is released under the terms of the LGPLv3 or higher.
from typing import Dict, Any
"""Helper functions for dealing with Python dictionaries."""
def findKey(dictionary: Dict[Any, Any], search_value: Any) -> Any:
"""Find the key corresponding to a certain value
:param dictionary: :type{dict} The dictionary to search for the value
:param search_value: The value to search for.
:return: The key matching to value. Note that if the dictionary contains multiple instances of value it is undefined which exact key is returned.
:exception ValueError: is raised when the value is not found in the dictionary.
"""
for key, value in dictionary.items():
if value == search_value:
return key
raise ValueError("Value {0} not found in dictionary".format(search_value))
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