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jojonki/global_variables.py

Created February 4, 2019 07:29
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Hack for read-only class variables.
Raw
global_variables.py
class MetaGlobalVariables(type):
@property
def HOGE(cls):
return cls._GlobalVariables__hoge # mangling
class GlobalVariables(object, metaclass=MetaGlobalVariables):
__hoge = 'xxxx'
# read OK
# GlobalVariables.HOGE
# -> 'xxxx'
# prohibit to set
# GlobalVariables.HOGE = 'yyyy'
# AttributeError: can't set attribute
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