[Python] Convert string to Enum in Python

What's the correct way to convert a string to a corresponding instance of an Enum subclass? Seems like getattr(YourEnumType, str) does the job, but I'm not sure if it's safe enough.

As an example, suppose I have an enum like

class BuildType(Enum):
debug = 200
release = 400


Given the string 'debug', how can I get BuildType.debug as a result?

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