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# Copyright (c) 2016 Ultimaker B.V.
# Uranium is released under the terms of the LGPLv3 or higher.
## Helper functions for dealing with Python dictionaries.
## 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.
def findKey(dictionary, search_value):
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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